Commentary: Alternate considerations in treating IBS, November 2022

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APN Kametas scans the journals, so you don’t have to!

Marita Kametas, MSN, FNP-BC, CMSRN, COCN
The study by Bureychak and colleagues highlights the differences between men and women with irritable bowel syndrome (IBS) as it relates to living arrangements, educational level, and employment status. Men with IBS had similarly reported educational levels, living arrangements, and household economy satisfaction as their peers without IBS. In stark contrast, women with IBS were more likely to live alone and achieve a lower educational level than were their peers without IBS. This study calls into question how much do we know about gender implications in IBS? Gender and sex may have a role in the biopsychosocial model of IBS.

Acupuncture is a very popular treatment strategy in some areas of the world and is extensively applied in Chinese practice. Though this is a regularly applied treatment, a direct comparison with first-line antispasmodics has not been previously completed. The study by Shi and colleagues sought to compare the treatment of IBS using an adjusted indirect treatment comparison meta-analysis. This study proves that cimetropium was the most effective for relieving abdominal pain, whereas drotaverine, acupuncture, and pinaverium remained superior to the placebo. That being said, acupuncture was shown to be superior in relieving global IBS symptoms and caused fewer side effects than did antispasmodics. This shows that acupuncture may have a role in the treatment algorithm for IBS even outside of China, where it is used broadly.

The study by Formica and colleagues provides new insights on the etiology and pathogenesis of IBS. These insights include the positive correlation between disgust sensitivity and IBS quality of life (QOL) scores. The relationship between IBS and the emotional intensity of the experience of disgust is discussed throughout this study and more severe IBS-QOL scores were linked to those with high levels of disgust sensitivity. This study had gender limitations because of the low number of male participants, so these correlations were patterned mostly in female participants. 

 

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APN Kametas scans the journals, so you don’t have to!
APN Kametas scans the journals, so you don’t have to!

Marita Kametas, MSN, FNP-BC, CMSRN, COCN
The study by Bureychak and colleagues highlights the differences between men and women with irritable bowel syndrome (IBS) as it relates to living arrangements, educational level, and employment status. Men with IBS had similarly reported educational levels, living arrangements, and household economy satisfaction as their peers without IBS. In stark contrast, women with IBS were more likely to live alone and achieve a lower educational level than were their peers without IBS. This study calls into question how much do we know about gender implications in IBS? Gender and sex may have a role in the biopsychosocial model of IBS.

Acupuncture is a very popular treatment strategy in some areas of the world and is extensively applied in Chinese practice. Though this is a regularly applied treatment, a direct comparison with first-line antispasmodics has not been previously completed. The study by Shi and colleagues sought to compare the treatment of IBS using an adjusted indirect treatment comparison meta-analysis. This study proves that cimetropium was the most effective for relieving abdominal pain, whereas drotaverine, acupuncture, and pinaverium remained superior to the placebo. That being said, acupuncture was shown to be superior in relieving global IBS symptoms and caused fewer side effects than did antispasmodics. This shows that acupuncture may have a role in the treatment algorithm for IBS even outside of China, where it is used broadly.

The study by Formica and colleagues provides new insights on the etiology and pathogenesis of IBS. These insights include the positive correlation between disgust sensitivity and IBS quality of life (QOL) scores. The relationship between IBS and the emotional intensity of the experience of disgust is discussed throughout this study and more severe IBS-QOL scores were linked to those with high levels of disgust sensitivity. This study had gender limitations because of the low number of male participants, so these correlations were patterned mostly in female participants. 

 

Marita Kametas, MSN, FNP-BC, CMSRN, COCN
The study by Bureychak and colleagues highlights the differences between men and women with irritable bowel syndrome (IBS) as it relates to living arrangements, educational level, and employment status. Men with IBS had similarly reported educational levels, living arrangements, and household economy satisfaction as their peers without IBS. In stark contrast, women with IBS were more likely to live alone and achieve a lower educational level than were their peers without IBS. This study calls into question how much do we know about gender implications in IBS? Gender and sex may have a role in the biopsychosocial model of IBS.

Acupuncture is a very popular treatment strategy in some areas of the world and is extensively applied in Chinese practice. Though this is a regularly applied treatment, a direct comparison with first-line antispasmodics has not been previously completed. The study by Shi and colleagues sought to compare the treatment of IBS using an adjusted indirect treatment comparison meta-analysis. This study proves that cimetropium was the most effective for relieving abdominal pain, whereas drotaverine, acupuncture, and pinaverium remained superior to the placebo. That being said, acupuncture was shown to be superior in relieving global IBS symptoms and caused fewer side effects than did antispasmodics. This shows that acupuncture may have a role in the treatment algorithm for IBS even outside of China, where it is used broadly.

The study by Formica and colleagues provides new insights on the etiology and pathogenesis of IBS. These insights include the positive correlation between disgust sensitivity and IBS quality of life (QOL) scores. The relationship between IBS and the emotional intensity of the experience of disgust is discussed throughout this study and more severe IBS-QOL scores were linked to those with high levels of disgust sensitivity. This study had gender limitations because of the low number of male participants, so these correlations were patterned mostly in female participants. 

 

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Commentary: Multifocal Hepatocellular Carcinoma, November 2022

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Mon, 10/31/2022 - 17:54
Dr. Damjanov scans the journals, so you don’t have to!

Nevena Damjanov, MD
Treatment of multifocal hepatocellular carcinoma (HCC) is challenging. This month, we will review articles that address the management of patients with more than one HCC lesion.

Orimo and colleagues addressed the use of liver resection in patients with more than one HCC in the liver. Patients with no or Child-Pugh A/B cirrhosis were included in this single-center retrospective study of 1088 patients who underwent hepatectomy for Barcelona Clinic Liver Cancer (BCLC) stage 0 (n = 88), A (n = 750), or B (n = 250) HCC, with stages A and B subcategorized into A1 (single nodule 2-5 cm or ≤ 3 nodules ≤ 3 cm), A2 (single nodule 5-10 cm), A3 (single nodule ≥ 10 cm), B1 (2-3 nodules > 3 cm), and B2 (≥ 4 nodules). The 5-year overall survival (OS) rates for stage 0, A1, A2, A3, B1, and B2 patients were 70.4%, 74.2%, 63.8%, 47.7%, 47.5%, and 31.9%, respectively (P < .0001). Significant differences in overall survival (OS) were found between stages A1 and A2 (P = .0118), A2 and A3 (P = .0013), and B1 and B2 (P = .0050), but not between stages A3 and B1 (P = .4742). In stage B1 patients, Child-Pugh B cirrhosis was the only independent prognostic factor for OS. The authors concluded that hepatectomy is beneficial in patients with three or fewer hepatocellular carcinomas and either no or Child-Pugh class A cirrhosis, with the long-term results being comparable to those in patients who underwent a resection of a single HCC. Therefore, resection of up to three HCC is safe and should be considered in clinically appropriate patients.

Many patients with multifocal HCC are not eligible for liver-directed therapies. The standard of care for first-line systemic therapy is the combination of atezolizumab and bevacizumab, as reported in the IMbrave150 clinical trial. Fulgenzi and colleagues published the results of a multicenter prospective observational study, AB-Real, that included 433 patients who received atezolizumab and bevacizumab in routine clinical practice. The investigators confirmed the efficacy of the combination and found that portal vein tumor thrombosis and worse albumin-bilirubin grade were independent prognostic factors for poor OS and were associated with an increased risk for hemorrhagic events. In addition, the authors reported that the overall response rate (ORR) predicted better outcomes, including longer OS. Therefore, atezolizumab and bevacizumab remains a safe and effective first-line treatment for many patients with unresectable HCC.

Finally, Finn and colleagues reported the results of an open-label, noncomparative cohort of the REACH-2 study of ramucirumab in 47 patients with advanced HCC and an alpha-fetoprotein (AFP) level ≥ 400 ng/mL. These patients had previously received one to two lines of systemic therapy, excluding sorafenib or chemotherapy. Lenvatinib was the most common prior systemic therapy (n = 20; 43%). Others included immune checkpoint inhibitor (CPI) monotherapies (n = 11), CPI/antiangiogenic therapy (n = 14), or dual CPI therapy (n = 5). The ORR was 10.6% (95% CI 1.8-19.5) and disease control rate was 46.8% (95% CI 32.5-61.1), with a median duration of response of 8.3 months [95% CI 2.4 to not reached). The grade 3 or more adverse event rate was 57%, with hypertension (11%) being the most common, allowing the authors to conclude that ramucirumab offers clinically significant efficacy with no new safety signals in this setting. Therefore, ramucirumab remains as a safe and effective later-line treatment option for patients with unresectable HCC and an AFP ≥ 400 ng/mL.

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Nevena Damjanov, MD, Professor, Department of Medicine, Division of Hematology-Oncology, University of Pennsylvania; Chief, Department of Hematology-Oncology, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, Pennsylvania

Nevena Damjanov, MD, has disclosed the following relevant financial relationships:

Serve(d) as a director, officer, partner, employee, advisor, consultant, or trustee for: QED; Eisai

Received research grant from: Basilea; Bristol-Myers Squibb; Merck

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Received research grant from: Basilea; Bristol-Myers Squibb; Merck

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Nevena Damjanov, MD, has disclosed the following relevant financial relationships:

Serve(d) as a director, officer, partner, employee, advisor, consultant, or trustee for: QED; Eisai

Received research grant from: Basilea; Bristol-Myers Squibb; Merck

Dr. Damjanov scans the journals, so you don’t have to!
Dr. Damjanov scans the journals, so you don’t have to!

Nevena Damjanov, MD
Treatment of multifocal hepatocellular carcinoma (HCC) is challenging. This month, we will review articles that address the management of patients with more than one HCC lesion.

Orimo and colleagues addressed the use of liver resection in patients with more than one HCC in the liver. Patients with no or Child-Pugh A/B cirrhosis were included in this single-center retrospective study of 1088 patients who underwent hepatectomy for Barcelona Clinic Liver Cancer (BCLC) stage 0 (n = 88), A (n = 750), or B (n = 250) HCC, with stages A and B subcategorized into A1 (single nodule 2-5 cm or ≤ 3 nodules ≤ 3 cm), A2 (single nodule 5-10 cm), A3 (single nodule ≥ 10 cm), B1 (2-3 nodules > 3 cm), and B2 (≥ 4 nodules). The 5-year overall survival (OS) rates for stage 0, A1, A2, A3, B1, and B2 patients were 70.4%, 74.2%, 63.8%, 47.7%, 47.5%, and 31.9%, respectively (P < .0001). Significant differences in overall survival (OS) were found between stages A1 and A2 (P = .0118), A2 and A3 (P = .0013), and B1 and B2 (P = .0050), but not between stages A3 and B1 (P = .4742). In stage B1 patients, Child-Pugh B cirrhosis was the only independent prognostic factor for OS. The authors concluded that hepatectomy is beneficial in patients with three or fewer hepatocellular carcinomas and either no or Child-Pugh class A cirrhosis, with the long-term results being comparable to those in patients who underwent a resection of a single HCC. Therefore, resection of up to three HCC is safe and should be considered in clinically appropriate patients.

Many patients with multifocal HCC are not eligible for liver-directed therapies. The standard of care for first-line systemic therapy is the combination of atezolizumab and bevacizumab, as reported in the IMbrave150 clinical trial. Fulgenzi and colleagues published the results of a multicenter prospective observational study, AB-Real, that included 433 patients who received atezolizumab and bevacizumab in routine clinical practice. The investigators confirmed the efficacy of the combination and found that portal vein tumor thrombosis and worse albumin-bilirubin grade were independent prognostic factors for poor OS and were associated with an increased risk for hemorrhagic events. In addition, the authors reported that the overall response rate (ORR) predicted better outcomes, including longer OS. Therefore, atezolizumab and bevacizumab remains a safe and effective first-line treatment for many patients with unresectable HCC.

Finally, Finn and colleagues reported the results of an open-label, noncomparative cohort of the REACH-2 study of ramucirumab in 47 patients with advanced HCC and an alpha-fetoprotein (AFP) level ≥ 400 ng/mL. These patients had previously received one to two lines of systemic therapy, excluding sorafenib or chemotherapy. Lenvatinib was the most common prior systemic therapy (n = 20; 43%). Others included immune checkpoint inhibitor (CPI) monotherapies (n = 11), CPI/antiangiogenic therapy (n = 14), or dual CPI therapy (n = 5). The ORR was 10.6% (95% CI 1.8-19.5) and disease control rate was 46.8% (95% CI 32.5-61.1), with a median duration of response of 8.3 months [95% CI 2.4 to not reached). The grade 3 or more adverse event rate was 57%, with hypertension (11%) being the most common, allowing the authors to conclude that ramucirumab offers clinically significant efficacy with no new safety signals in this setting. Therefore, ramucirumab remains as a safe and effective later-line treatment option for patients with unresectable HCC and an AFP ≥ 400 ng/mL.

Nevena Damjanov, MD
Treatment of multifocal hepatocellular carcinoma (HCC) is challenging. This month, we will review articles that address the management of patients with more than one HCC lesion.

Orimo and colleagues addressed the use of liver resection in patients with more than one HCC in the liver. Patients with no or Child-Pugh A/B cirrhosis were included in this single-center retrospective study of 1088 patients who underwent hepatectomy for Barcelona Clinic Liver Cancer (BCLC) stage 0 (n = 88), A (n = 750), or B (n = 250) HCC, with stages A and B subcategorized into A1 (single nodule 2-5 cm or ≤ 3 nodules ≤ 3 cm), A2 (single nodule 5-10 cm), A3 (single nodule ≥ 10 cm), B1 (2-3 nodules > 3 cm), and B2 (≥ 4 nodules). The 5-year overall survival (OS) rates for stage 0, A1, A2, A3, B1, and B2 patients were 70.4%, 74.2%, 63.8%, 47.7%, 47.5%, and 31.9%, respectively (P < .0001). Significant differences in overall survival (OS) were found between stages A1 and A2 (P = .0118), A2 and A3 (P = .0013), and B1 and B2 (P = .0050), but not between stages A3 and B1 (P = .4742). In stage B1 patients, Child-Pugh B cirrhosis was the only independent prognostic factor for OS. The authors concluded that hepatectomy is beneficial in patients with three or fewer hepatocellular carcinomas and either no or Child-Pugh class A cirrhosis, with the long-term results being comparable to those in patients who underwent a resection of a single HCC. Therefore, resection of up to three HCC is safe and should be considered in clinically appropriate patients.

Many patients with multifocal HCC are not eligible for liver-directed therapies. The standard of care for first-line systemic therapy is the combination of atezolizumab and bevacizumab, as reported in the IMbrave150 clinical trial. Fulgenzi and colleagues published the results of a multicenter prospective observational study, AB-Real, that included 433 patients who received atezolizumab and bevacizumab in routine clinical practice. The investigators confirmed the efficacy of the combination and found that portal vein tumor thrombosis and worse albumin-bilirubin grade were independent prognostic factors for poor OS and were associated with an increased risk for hemorrhagic events. In addition, the authors reported that the overall response rate (ORR) predicted better outcomes, including longer OS. Therefore, atezolizumab and bevacizumab remains a safe and effective first-line treatment for many patients with unresectable HCC.

Finally, Finn and colleagues reported the results of an open-label, noncomparative cohort of the REACH-2 study of ramucirumab in 47 patients with advanced HCC and an alpha-fetoprotein (AFP) level ≥ 400 ng/mL. These patients had previously received one to two lines of systemic therapy, excluding sorafenib or chemotherapy. Lenvatinib was the most common prior systemic therapy (n = 20; 43%). Others included immune checkpoint inhibitor (CPI) monotherapies (n = 11), CPI/antiangiogenic therapy (n = 14), or dual CPI therapy (n = 5). The ORR was 10.6% (95% CI 1.8-19.5) and disease control rate was 46.8% (95% CI 32.5-61.1), with a median duration of response of 8.3 months [95% CI 2.4 to not reached). The grade 3 or more adverse event rate was 57%, with hypertension (11%) being the most common, allowing the authors to conclude that ramucirumab offers clinically significant efficacy with no new safety signals in this setting. Therefore, ramucirumab remains as a safe and effective later-line treatment option for patients with unresectable HCC and an AFP ≥ 400 ng/mL.

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Commentary: Multifocal Hepatocellular Carcinoma, November 2022

Article Type
Changed
Mon, 10/31/2022 - 17:36
Dr. Damjanov scans the journals, so you don’t have to!

Nevena Damjanov, MD
Treatment of multifocal hepatocellular carcinoma (HCC) is challenging. This month, we will review articles that address the management of patients with more than one HCC lesion.

Orimo and colleagues addressed the use of liver resection in patients with more than one HCC in the liver. Patients with no or Child-Pugh A/B cirrhosis were included in this single-center retrospective study of 1088 patients who underwent hepatectomy for Barcelona Clinic Liver Cancer (BCLC) stage 0 (n = 88), A (n = 750), or B (n = 250) HCC, with stages A and B subcategorized into A1 (single nodule 2-5 cm or ≤ 3 nodules ≤ 3 cm), A2 (single nodule 5-10 cm), A3 (single nodule ≥ 10 cm), B1 (2-3 nodules > 3 cm), and B2 (≥ 4 nodules). The 5-year overall survival (OS) rates for stage 0, A1, A2, A3, B1, and B2 patients were 70.4%, 74.2%, 63.8%, 47.7%, 47.5%, and 31.9%, respectively (P < .0001). Significant differences in overall survival (OS) were found between stages A1 and A2 (P = .0118), A2 and A3 (P = .0013), and B1 and B2 (P = .0050), but not between stages A3 and B1 (P = .4742). In stage B1 patients, Child-Pugh B cirrhosis was the only independent prognostic factor for OS. The authors concluded that hepatectomy is beneficial in patients with three or fewer hepatocellular carcinomas and either no or Child-Pugh class A cirrhosis, with the long-term results being comparable to those in patients who underwent a resection of a single HCC. Therefore, resection of up to three HCC is safe and should be considered in clinically appropriate patients.

Many patients with multifocal HCC are not eligible for liver-directed therapies. The standard of care for first-line systemic therapy is the combination of atezolizumab and bevacizumab, as reported in the IMbrave150 clinical trial. Fulgenzi and colleagues published the results of a multicenter prospective observational study, AB-Real, that included 433 patients who received atezolizumab and bevacizumab in routine clinical practice. The investigators confirmed the efficacy of the combination and found that portal vein tumor thrombosis and worse albumin-bilirubin grade were independent prognostic factors for poor OS and were associated with an increased risk for hemorrhagic events. In addition, the authors reported that the overall response rate (ORR) predicted better outcomes, including longer OS. Therefore, atezolizumab and bevacizumab remains a safe and effective first-line treatment for many patients with unresectable HCC.

Finally, Finn and colleagues reported the results of an open-label, noncomparative cohort of the REACH-2 study of ramucirumab in 47 patients with advanced HCC and an alpha-fetoprotein (AFP) level ≥ 400 ng/mL. These patients had previously received one to two lines of systemic therapy, excluding sorafenib or chemotherapy. Lenvatinib was the most common prior systemic therapy (n = 20; 43%). Others included immune checkpoint inhibitor (CPI) monotherapies (n = 11), CPI/antiangiogenic therapy (n = 14), or dual CPI therapy (n = 5). The ORR was 10.6% (95% CI 1.8-19.5) and disease control rate was 46.8% (95% CI 32.5-61.1), with a median duration of response of 8.3 months (95% CI 2.4 to not reached). The grade 3 or more adverse event rate was 57%, with hypertension (11%) being the most common, allowing the authors to conclude that ramucirumab offers clinically significant efficacy with no new safety signals in this setting. Therefore, ramucirumab remains as a safe and effective later-line treatment option for patients with unresectable HCC and an AFP ≥ 400 ng/mL.

 

Author and Disclosure Information

Nevena Damjanov, MD, Professor, Department of Medicine, Division of Hematology-Oncology, University of Pennsylvania; Chief, Department of Hematology-Oncology, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, Pennsylvania

Nevena Damjanov, MD, has disclosed the following relevant financial relationships:

Serve(d) as a director, officer, partner, employee, advisor, consultant, or trustee for: QED; Eisai

Received research grant from: Basilea; Bristol-Myers Squibb; Merck

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Nevena Damjanov, MD, has disclosed the following relevant financial relationships:

Serve(d) as a director, officer, partner, employee, advisor, consultant, or trustee for: QED; Eisai

Received research grant from: Basilea; Bristol-Myers Squibb; Merck

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Nevena Damjanov, MD, Professor, Department of Medicine, Division of Hematology-Oncology, University of Pennsylvania; Chief, Department of Hematology-Oncology, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, Pennsylvania

Nevena Damjanov, MD, has disclosed the following relevant financial relationships:

Serve(d) as a director, officer, partner, employee, advisor, consultant, or trustee for: QED; Eisai

Received research grant from: Basilea; Bristol-Myers Squibb; Merck

Dr. Damjanov scans the journals, so you don’t have to!
Dr. Damjanov scans the journals, so you don’t have to!

Nevena Damjanov, MD
Treatment of multifocal hepatocellular carcinoma (HCC) is challenging. This month, we will review articles that address the management of patients with more than one HCC lesion.

Orimo and colleagues addressed the use of liver resection in patients with more than one HCC in the liver. Patients with no or Child-Pugh A/B cirrhosis were included in this single-center retrospective study of 1088 patients who underwent hepatectomy for Barcelona Clinic Liver Cancer (BCLC) stage 0 (n = 88), A (n = 750), or B (n = 250) HCC, with stages A and B subcategorized into A1 (single nodule 2-5 cm or ≤ 3 nodules ≤ 3 cm), A2 (single nodule 5-10 cm), A3 (single nodule ≥ 10 cm), B1 (2-3 nodules > 3 cm), and B2 (≥ 4 nodules). The 5-year overall survival (OS) rates for stage 0, A1, A2, A3, B1, and B2 patients were 70.4%, 74.2%, 63.8%, 47.7%, 47.5%, and 31.9%, respectively (P < .0001). Significant differences in overall survival (OS) were found between stages A1 and A2 (P = .0118), A2 and A3 (P = .0013), and B1 and B2 (P = .0050), but not between stages A3 and B1 (P = .4742). In stage B1 patients, Child-Pugh B cirrhosis was the only independent prognostic factor for OS. The authors concluded that hepatectomy is beneficial in patients with three or fewer hepatocellular carcinomas and either no or Child-Pugh class A cirrhosis, with the long-term results being comparable to those in patients who underwent a resection of a single HCC. Therefore, resection of up to three HCC is safe and should be considered in clinically appropriate patients.

Many patients with multifocal HCC are not eligible for liver-directed therapies. The standard of care for first-line systemic therapy is the combination of atezolizumab and bevacizumab, as reported in the IMbrave150 clinical trial. Fulgenzi and colleagues published the results of a multicenter prospective observational study, AB-Real, that included 433 patients who received atezolizumab and bevacizumab in routine clinical practice. The investigators confirmed the efficacy of the combination and found that portal vein tumor thrombosis and worse albumin-bilirubin grade were independent prognostic factors for poor OS and were associated with an increased risk for hemorrhagic events. In addition, the authors reported that the overall response rate (ORR) predicted better outcomes, including longer OS. Therefore, atezolizumab and bevacizumab remains a safe and effective first-line treatment for many patients with unresectable HCC.

Finally, Finn and colleagues reported the results of an open-label, noncomparative cohort of the REACH-2 study of ramucirumab in 47 patients with advanced HCC and an alpha-fetoprotein (AFP) level ≥ 400 ng/mL. These patients had previously received one to two lines of systemic therapy, excluding sorafenib or chemotherapy. Lenvatinib was the most common prior systemic therapy (n = 20; 43%). Others included immune checkpoint inhibitor (CPI) monotherapies (n = 11), CPI/antiangiogenic therapy (n = 14), or dual CPI therapy (n = 5). The ORR was 10.6% (95% CI 1.8-19.5) and disease control rate was 46.8% (95% CI 32.5-61.1), with a median duration of response of 8.3 months (95% CI 2.4 to not reached). The grade 3 or more adverse event rate was 57%, with hypertension (11%) being the most common, allowing the authors to conclude that ramucirumab offers clinically significant efficacy with no new safety signals in this setting. Therefore, ramucirumab remains as a safe and effective later-line treatment option for patients with unresectable HCC and an AFP ≥ 400 ng/mL.

 

Nevena Damjanov, MD
Treatment of multifocal hepatocellular carcinoma (HCC) is challenging. This month, we will review articles that address the management of patients with more than one HCC lesion.

Orimo and colleagues addressed the use of liver resection in patients with more than one HCC in the liver. Patients with no or Child-Pugh A/B cirrhosis were included in this single-center retrospective study of 1088 patients who underwent hepatectomy for Barcelona Clinic Liver Cancer (BCLC) stage 0 (n = 88), A (n = 750), or B (n = 250) HCC, with stages A and B subcategorized into A1 (single nodule 2-5 cm or ≤ 3 nodules ≤ 3 cm), A2 (single nodule 5-10 cm), A3 (single nodule ≥ 10 cm), B1 (2-3 nodules > 3 cm), and B2 (≥ 4 nodules). The 5-year overall survival (OS) rates for stage 0, A1, A2, A3, B1, and B2 patients were 70.4%, 74.2%, 63.8%, 47.7%, 47.5%, and 31.9%, respectively (P < .0001). Significant differences in overall survival (OS) were found between stages A1 and A2 (P = .0118), A2 and A3 (P = .0013), and B1 and B2 (P = .0050), but not between stages A3 and B1 (P = .4742). In stage B1 patients, Child-Pugh B cirrhosis was the only independent prognostic factor for OS. The authors concluded that hepatectomy is beneficial in patients with three or fewer hepatocellular carcinomas and either no or Child-Pugh class A cirrhosis, with the long-term results being comparable to those in patients who underwent a resection of a single HCC. Therefore, resection of up to three HCC is safe and should be considered in clinically appropriate patients.

Many patients with multifocal HCC are not eligible for liver-directed therapies. The standard of care for first-line systemic therapy is the combination of atezolizumab and bevacizumab, as reported in the IMbrave150 clinical trial. Fulgenzi and colleagues published the results of a multicenter prospective observational study, AB-Real, that included 433 patients who received atezolizumab and bevacizumab in routine clinical practice. The investigators confirmed the efficacy of the combination and found that portal vein tumor thrombosis and worse albumin-bilirubin grade were independent prognostic factors for poor OS and were associated with an increased risk for hemorrhagic events. In addition, the authors reported that the overall response rate (ORR) predicted better outcomes, including longer OS. Therefore, atezolizumab and bevacizumab remains a safe and effective first-line treatment for many patients with unresectable HCC.

Finally, Finn and colleagues reported the results of an open-label, noncomparative cohort of the REACH-2 study of ramucirumab in 47 patients with advanced HCC and an alpha-fetoprotein (AFP) level ≥ 400 ng/mL. These patients had previously received one to two lines of systemic therapy, excluding sorafenib or chemotherapy. Lenvatinib was the most common prior systemic therapy (n = 20; 43%). Others included immune checkpoint inhibitor (CPI) monotherapies (n = 11), CPI/antiangiogenic therapy (n = 14), or dual CPI therapy (n = 5). The ORR was 10.6% (95% CI 1.8-19.5) and disease control rate was 46.8% (95% CI 32.5-61.1), with a median duration of response of 8.3 months (95% CI 2.4 to not reached). The grade 3 or more adverse event rate was 57%, with hypertension (11%) being the most common, allowing the authors to conclude that ramucirumab offers clinically significant efficacy with no new safety signals in this setting. Therefore, ramucirumab remains as a safe and effective later-line treatment option for patients with unresectable HCC and an AFP ≥ 400 ng/mL.

 

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Commentary: Drug efficacy and comorbid factors in PsA, November 2022

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Dr. Chandran scans the journals, so you don't have to!

Vinod Chandran, MBBS, MD, DM, PhD

The effectiveness and safety of advanced therapies for psoriatic arthritis (PsA) was a focus of many published studies last month. Janus kinase inhibitors (JAKi) are a recent class of drugs made available to treat PsA and related diseases, and several clinical trials have been published. Sarabia and colleagues reported the results of a meta-analysis of 15 randomized controlled trials including 6757 patients with psoriasis or PsA who received treatment with a JAKi or placebo. Their analyses revealed that treatment with JAKi vs placebo was associated with higher odds of achieving American College of Rheumatology 20 (ACR20) response (odds ratio [OR] 4.45; 95% CI 3.64-5.44), with similar outcomes observed with tofacitinib vs placebo (OR 2.96; 95% CI 2.01-4.35) and non-tofacitinib JAKi vs placebo (OR 5.41; 95% CI 3.95-7.40). Serious adverse event rates were low (1%-7% in the maximum-dose intervention group).

Interleukin-23i (guselkumab, tildrakizumab, or risankizumab) are another class of biologics recently approved for the treatment of PsA. Preliminary results from a real-world study demonstrate the efficacy of these drugs for PsA. In a retrospective observational study including 80 patients with psoriasis (22 with PsA) who received guselkumab, tildrakizumab, or risankizumab,
Elgaard and colleagues demonstrated that 40.9% or 36.4% of the PsA patients achieved complete or partial remission, respectively, compared with only 18.2% of patients with no improvement.

Regarding drug safety, a recent study demonstrated low rates of opportunistic infections with biologic disease-modifying antirheumatic drugs (bDMARD) and targeted synthetic DMARD (tsDMARD).
Vassilopoulos and colleagues conducted a meta-analysis of 47 randomized controlled trials and 26 follow-up extension studies that included patients with PsA who received at least one dose of a bDMARD or a tsDMARD (n = 11,790) or placebo (n = 6425) during the placebo-controlled period, and 17,197 patients who received at least one dose of a bDMARD or a tsDMARD in the long-term extension period.

 

The cumulative incidence of opportunistic infections was < 3% when stratified by the mechanism of action: JAKi (2.72%; 95% CI 1.05%-5.04%), anti-interleukin (IL)-17i (1.18%; 95% CI 0.60%-1.90%), anti-IL-23i (0.24%; 95% CI 0.04%-0.54%), and TNFi (0.01%; 95% CI 0.00%-0.21%). These results are consistent with my own observations in my clinic. Thus, currently available advanced therapies, including JAKi and IL-23i, are effective and safe for the management of patients with PsA when used as monotherapy with or without conventional synthetic DMARD (csDMARD). Ongoing studies on combination therapy will provide us with guidance on the efficacy and safety of combining these drugs for the treatment of resistant disease.

 

Many patients do not respond to treatment, however. Actionable risk factors for lack of response are of clinical interest. One such factor is obesity. In an observational study of 774 adult PsA patients who started their first b/tsDMARD, Vallejo-Yague and colleagues reported that the odds of achieving minimal disease activity (adjusted OR [aOR] 0.45; 95% CI 0.24-0.82) and Disease Activity Index for Psoriatic Arthritis (DAPSA)-remission (aOR 0.42; 95% CI 0.21-0.85) were lower in the obese vs normal-weight group within the first year. Thus, obese patients had ~50% lower likelihood of achieving a state of low disease activity. Comprehensive management of PsA must include management of obesity and other comorbid conditions to achieve optimal outcomes.

 

Finally, an interesting study by Freuer and colleagues used bidirectional two-sample Mendelian randomization in 12,882 patients with inflammatory bowel disease (IBD), 21,770 matched controls, 5621 patients with psoriasis, 2063 patients with PsA, and 252,323 controls. The study found that genetically predicted IBD was associated with a higher risk for PsA (pooled OR 1.11; P = .003) with the risk being majorly mediated by Crohn's disease (OR 1.12; P = .002) and not ulcerative colitis (P = .70). Thus, patients with Crohn's disease need to be carefully evaluated for the development of PsA.

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Serve(d) as a director, officer, partner, employee, advisor, consultant, or trustee for: AbbVie; Amgen; Bristol-Myers Squibb; Eli Lilly; Janssen; Novartis; Pfizer; UCB

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Spousal employment: Eli Lilly; AstraZeneca

Dr. Chandran scans the journals, so you don't have to!
Dr. Chandran scans the journals, so you don't have to!

Vinod Chandran, MBBS, MD, DM, PhD

The effectiveness and safety of advanced therapies for psoriatic arthritis (PsA) was a focus of many published studies last month. Janus kinase inhibitors (JAKi) are a recent class of drugs made available to treat PsA and related diseases, and several clinical trials have been published. Sarabia and colleagues reported the results of a meta-analysis of 15 randomized controlled trials including 6757 patients with psoriasis or PsA who received treatment with a JAKi or placebo. Their analyses revealed that treatment with JAKi vs placebo was associated with higher odds of achieving American College of Rheumatology 20 (ACR20) response (odds ratio [OR] 4.45; 95% CI 3.64-5.44), with similar outcomes observed with tofacitinib vs placebo (OR 2.96; 95% CI 2.01-4.35) and non-tofacitinib JAKi vs placebo (OR 5.41; 95% CI 3.95-7.40). Serious adverse event rates were low (1%-7% in the maximum-dose intervention group).

Interleukin-23i (guselkumab, tildrakizumab, or risankizumab) are another class of biologics recently approved for the treatment of PsA. Preliminary results from a real-world study demonstrate the efficacy of these drugs for PsA. In a retrospective observational study including 80 patients with psoriasis (22 with PsA) who received guselkumab, tildrakizumab, or risankizumab,
Elgaard and colleagues demonstrated that 40.9% or 36.4% of the PsA patients achieved complete or partial remission, respectively, compared with only 18.2% of patients with no improvement.

Regarding drug safety, a recent study demonstrated low rates of opportunistic infections with biologic disease-modifying antirheumatic drugs (bDMARD) and targeted synthetic DMARD (tsDMARD).
Vassilopoulos and colleagues conducted a meta-analysis of 47 randomized controlled trials and 26 follow-up extension studies that included patients with PsA who received at least one dose of a bDMARD or a tsDMARD (n = 11,790) or placebo (n = 6425) during the placebo-controlled period, and 17,197 patients who received at least one dose of a bDMARD or a tsDMARD in the long-term extension period.

 

The cumulative incidence of opportunistic infections was < 3% when stratified by the mechanism of action: JAKi (2.72%; 95% CI 1.05%-5.04%), anti-interleukin (IL)-17i (1.18%; 95% CI 0.60%-1.90%), anti-IL-23i (0.24%; 95% CI 0.04%-0.54%), and TNFi (0.01%; 95% CI 0.00%-0.21%). These results are consistent with my own observations in my clinic. Thus, currently available advanced therapies, including JAKi and IL-23i, are effective and safe for the management of patients with PsA when used as monotherapy with or without conventional synthetic DMARD (csDMARD). Ongoing studies on combination therapy will provide us with guidance on the efficacy and safety of combining these drugs for the treatment of resistant disease.

 

Many patients do not respond to treatment, however. Actionable risk factors for lack of response are of clinical interest. One such factor is obesity. In an observational study of 774 adult PsA patients who started their first b/tsDMARD, Vallejo-Yague and colleagues reported that the odds of achieving minimal disease activity (adjusted OR [aOR] 0.45; 95% CI 0.24-0.82) and Disease Activity Index for Psoriatic Arthritis (DAPSA)-remission (aOR 0.42; 95% CI 0.21-0.85) were lower in the obese vs normal-weight group within the first year. Thus, obese patients had ~50% lower likelihood of achieving a state of low disease activity. Comprehensive management of PsA must include management of obesity and other comorbid conditions to achieve optimal outcomes.

 

Finally, an interesting study by Freuer and colleagues used bidirectional two-sample Mendelian randomization in 12,882 patients with inflammatory bowel disease (IBD), 21,770 matched controls, 5621 patients with psoriasis, 2063 patients with PsA, and 252,323 controls. The study found that genetically predicted IBD was associated with a higher risk for PsA (pooled OR 1.11; P = .003) with the risk being majorly mediated by Crohn's disease (OR 1.12; P = .002) and not ulcerative colitis (P = .70). Thus, patients with Crohn's disease need to be carefully evaluated for the development of PsA.

Vinod Chandran, MBBS, MD, DM, PhD

The effectiveness and safety of advanced therapies for psoriatic arthritis (PsA) was a focus of many published studies last month. Janus kinase inhibitors (JAKi) are a recent class of drugs made available to treat PsA and related diseases, and several clinical trials have been published. Sarabia and colleagues reported the results of a meta-analysis of 15 randomized controlled trials including 6757 patients with psoriasis or PsA who received treatment with a JAKi or placebo. Their analyses revealed that treatment with JAKi vs placebo was associated with higher odds of achieving American College of Rheumatology 20 (ACR20) response (odds ratio [OR] 4.45; 95% CI 3.64-5.44), with similar outcomes observed with tofacitinib vs placebo (OR 2.96; 95% CI 2.01-4.35) and non-tofacitinib JAKi vs placebo (OR 5.41; 95% CI 3.95-7.40). Serious adverse event rates were low (1%-7% in the maximum-dose intervention group).

Interleukin-23i (guselkumab, tildrakizumab, or risankizumab) are another class of biologics recently approved for the treatment of PsA. Preliminary results from a real-world study demonstrate the efficacy of these drugs for PsA. In a retrospective observational study including 80 patients with psoriasis (22 with PsA) who received guselkumab, tildrakizumab, or risankizumab,
Elgaard and colleagues demonstrated that 40.9% or 36.4% of the PsA patients achieved complete or partial remission, respectively, compared with only 18.2% of patients with no improvement.

Regarding drug safety, a recent study demonstrated low rates of opportunistic infections with biologic disease-modifying antirheumatic drugs (bDMARD) and targeted synthetic DMARD (tsDMARD).
Vassilopoulos and colleagues conducted a meta-analysis of 47 randomized controlled trials and 26 follow-up extension studies that included patients with PsA who received at least one dose of a bDMARD or a tsDMARD (n = 11,790) or placebo (n = 6425) during the placebo-controlled period, and 17,197 patients who received at least one dose of a bDMARD or a tsDMARD in the long-term extension period.

 

The cumulative incidence of opportunistic infections was < 3% when stratified by the mechanism of action: JAKi (2.72%; 95% CI 1.05%-5.04%), anti-interleukin (IL)-17i (1.18%; 95% CI 0.60%-1.90%), anti-IL-23i (0.24%; 95% CI 0.04%-0.54%), and TNFi (0.01%; 95% CI 0.00%-0.21%). These results are consistent with my own observations in my clinic. Thus, currently available advanced therapies, including JAKi and IL-23i, are effective and safe for the management of patients with PsA when used as monotherapy with or without conventional synthetic DMARD (csDMARD). Ongoing studies on combination therapy will provide us with guidance on the efficacy and safety of combining these drugs for the treatment of resistant disease.

 

Many patients do not respond to treatment, however. Actionable risk factors for lack of response are of clinical interest. One such factor is obesity. In an observational study of 774 adult PsA patients who started their first b/tsDMARD, Vallejo-Yague and colleagues reported that the odds of achieving minimal disease activity (adjusted OR [aOR] 0.45; 95% CI 0.24-0.82) and Disease Activity Index for Psoriatic Arthritis (DAPSA)-remission (aOR 0.42; 95% CI 0.21-0.85) were lower in the obese vs normal-weight group within the first year. Thus, obese patients had ~50% lower likelihood of achieving a state of low disease activity. Comprehensive management of PsA must include management of obesity and other comorbid conditions to achieve optimal outcomes.

 

Finally, an interesting study by Freuer and colleagues used bidirectional two-sample Mendelian randomization in 12,882 patients with inflammatory bowel disease (IBD), 21,770 matched controls, 5621 patients with psoriasis, 2063 patients with PsA, and 252,323 controls. The study found that genetically predicted IBD was associated with a higher risk for PsA (pooled OR 1.11; P = .003) with the risk being majorly mediated by Crohn's disease (OR 1.12; P = .002) and not ulcerative colitis (P = .70). Thus, patients with Crohn's disease need to be carefully evaluated for the development of PsA.

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Commentary: Renal Disease in Type 2 Diabetes, November 2022

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Dr Goldenberg scans the journals so you don't have to!

Ronald M. Goldenberg, MD, FRCPC, FACE

Agents proven to reduce major kidney issues in type 2 diabetes include renin-angiotensin system blockers, sodium-glucose cotransporter-2 (SGLT2) inhibitors, and nonsteroidal mineralocorticoid inhibitors, but there are few data on the renal effects of the glucagon-like peptide-1 (GLP-1)/glucose-dependent insulinotropic polypeptide (GIP) receptor agonist tirzepatide. In a post-hoc analysis of the SURPASS-4 trial, Heerspink and colleagues reported that tirzepatide slowed the rate of estimated glomerular filtration rate (eGFR) decline and reduced urine albumin-to-creatinine ratio (ACR) compared with insulin glargine U100. There was also a reduction (≥ 40% decline) in the composite kidney outcome of eGFR, end-stage kidney disease (ESKD), death due to kidney failure, and new-onset macroalbuminuria, and this was driven by the reduction in new-onset macroalbuminuria. Although this was a post-hoc, exploratory analysis, the benefit of tirzepatide on kidney effects suggests that this agent should be studied in type 2 diabetes patients at high risk for kidney disease progression to determine whether indeed there will be a kidney protective effect.

 

Diabetes is the leading cause of ESKD, and recognizing patients at high risk for progression to ESKD is paramount. Abnormal glycolipid metabolism contributes to the development and progression of diabetic kidney disease (DKD). Bile acids, by regulating glycolipid metabolism, may indirectly provide renoprotective effects. Xiao and colleagues have published a retrospective cohort study of 184 Chinese patients with type 2 diabetes and biopsy-proven DKD. They found that low levels of bile acids (≤2.8 mmol/L) were associated with an over fivefold risk for ESKD after adjusting for known factors associated with ESKD. This is the first study suggesting a link between low bile acid levels and adverse kidney outcomes in DKD, and it provides a rationale for studying bile acid analogs as therapeutic agents for the treatment of DKD.

 

SGLT2 inhibitors and GLP-1 receptor agonists have proven cardiorenal benefits in type 2 diabetes, and each is recommended in guidelines for patients at higher risk for cardiorenal complications. There are no head-to-head randomized trials of SGLT2 inhibitors vs GLP-1 receptor agonists, and studies suggesting an increased risk for lower-extremity amputation with SGLT2 inhibitors have shown inconsistent results. Lee and colleagues conducted a retrospective cohort study in Taiwan, and, after propensity score-matching patients with type 2 diabetes treated with SGLT inhibitors or GLP-1 receptor agonists, they found no significant difference in major adverse limb events between the two groups. Although limited by retrospective design, short follow-up, and a low number of events, this study suggests that SGLT2 inhibitors and GLP-1 receptor agonists should continue to be used as indicated and according to diabetes guidelines, with no difference in amputation rates between these two classes of antihyperglycemic agents.

 

Gastrointestinal adverse events are the most common side effects related to metformin use. Many clinicians choose an extended-release metformin preparation over immediate-release, believing that there may be better tolerability, but studies have shown inconsistent results. In a systematic review, meta-analysis, and meta-regression of randomized controlled trials, Nabrdalik and colleagues demonstrated an increased risk for abdominal pain, nausea, and diarrhea with metformin compared with other antidiabetic drugs or placebo, as well as a reduced risk for bloating and diarrhea with extended-release metformin compared with immediate-release formulations. These findings reinforce the practice for considering metformin extended-release over immediate-release formulations to reduce the chance of gastrointestinal side effects.

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Dr Goldenberg scans the journals so you don't have to!
Dr Goldenberg scans the journals so you don't have to!

Ronald M. Goldenberg, MD, FRCPC, FACE

Agents proven to reduce major kidney issues in type 2 diabetes include renin-angiotensin system blockers, sodium-glucose cotransporter-2 (SGLT2) inhibitors, and nonsteroidal mineralocorticoid inhibitors, but there are few data on the renal effects of the glucagon-like peptide-1 (GLP-1)/glucose-dependent insulinotropic polypeptide (GIP) receptor agonist tirzepatide. In a post-hoc analysis of the SURPASS-4 trial, Heerspink and colleagues reported that tirzepatide slowed the rate of estimated glomerular filtration rate (eGFR) decline and reduced urine albumin-to-creatinine ratio (ACR) compared with insulin glargine U100. There was also a reduction (≥ 40% decline) in the composite kidney outcome of eGFR, end-stage kidney disease (ESKD), death due to kidney failure, and new-onset macroalbuminuria, and this was driven by the reduction in new-onset macroalbuminuria. Although this was a post-hoc, exploratory analysis, the benefit of tirzepatide on kidney effects suggests that this agent should be studied in type 2 diabetes patients at high risk for kidney disease progression to determine whether indeed there will be a kidney protective effect.

 

Diabetes is the leading cause of ESKD, and recognizing patients at high risk for progression to ESKD is paramount. Abnormal glycolipid metabolism contributes to the development and progression of diabetic kidney disease (DKD). Bile acids, by regulating glycolipid metabolism, may indirectly provide renoprotective effects. Xiao and colleagues have published a retrospective cohort study of 184 Chinese patients with type 2 diabetes and biopsy-proven DKD. They found that low levels of bile acids (≤2.8 mmol/L) were associated with an over fivefold risk for ESKD after adjusting for known factors associated with ESKD. This is the first study suggesting a link between low bile acid levels and adverse kidney outcomes in DKD, and it provides a rationale for studying bile acid analogs as therapeutic agents for the treatment of DKD.

 

SGLT2 inhibitors and GLP-1 receptor agonists have proven cardiorenal benefits in type 2 diabetes, and each is recommended in guidelines for patients at higher risk for cardiorenal complications. There are no head-to-head randomized trials of SGLT2 inhibitors vs GLP-1 receptor agonists, and studies suggesting an increased risk for lower-extremity amputation with SGLT2 inhibitors have shown inconsistent results. Lee and colleagues conducted a retrospective cohort study in Taiwan, and, after propensity score-matching patients with type 2 diabetes treated with SGLT inhibitors or GLP-1 receptor agonists, they found no significant difference in major adverse limb events between the two groups. Although limited by retrospective design, short follow-up, and a low number of events, this study suggests that SGLT2 inhibitors and GLP-1 receptor agonists should continue to be used as indicated and according to diabetes guidelines, with no difference in amputation rates between these two classes of antihyperglycemic agents.

 

Gastrointestinal adverse events are the most common side effects related to metformin use. Many clinicians choose an extended-release metformin preparation over immediate-release, believing that there may be better tolerability, but studies have shown inconsistent results. In a systematic review, meta-analysis, and meta-regression of randomized controlled trials, Nabrdalik and colleagues demonstrated an increased risk for abdominal pain, nausea, and diarrhea with metformin compared with other antidiabetic drugs or placebo, as well as a reduced risk for bloating and diarrhea with extended-release metformin compared with immediate-release formulations. These findings reinforce the practice for considering metformin extended-release over immediate-release formulations to reduce the chance of gastrointestinal side effects.

Ronald M. Goldenberg, MD, FRCPC, FACE

Agents proven to reduce major kidney issues in type 2 diabetes include renin-angiotensin system blockers, sodium-glucose cotransporter-2 (SGLT2) inhibitors, and nonsteroidal mineralocorticoid inhibitors, but there are few data on the renal effects of the glucagon-like peptide-1 (GLP-1)/glucose-dependent insulinotropic polypeptide (GIP) receptor agonist tirzepatide. In a post-hoc analysis of the SURPASS-4 trial, Heerspink and colleagues reported that tirzepatide slowed the rate of estimated glomerular filtration rate (eGFR) decline and reduced urine albumin-to-creatinine ratio (ACR) compared with insulin glargine U100. There was also a reduction (≥ 40% decline) in the composite kidney outcome of eGFR, end-stage kidney disease (ESKD), death due to kidney failure, and new-onset macroalbuminuria, and this was driven by the reduction in new-onset macroalbuminuria. Although this was a post-hoc, exploratory analysis, the benefit of tirzepatide on kidney effects suggests that this agent should be studied in type 2 diabetes patients at high risk for kidney disease progression to determine whether indeed there will be a kidney protective effect.

 

Diabetes is the leading cause of ESKD, and recognizing patients at high risk for progression to ESKD is paramount. Abnormal glycolipid metabolism contributes to the development and progression of diabetic kidney disease (DKD). Bile acids, by regulating glycolipid metabolism, may indirectly provide renoprotective effects. Xiao and colleagues have published a retrospective cohort study of 184 Chinese patients with type 2 diabetes and biopsy-proven DKD. They found that low levels of bile acids (≤2.8 mmol/L) were associated with an over fivefold risk for ESKD after adjusting for known factors associated with ESKD. This is the first study suggesting a link between low bile acid levels and adverse kidney outcomes in DKD, and it provides a rationale for studying bile acid analogs as therapeutic agents for the treatment of DKD.

 

SGLT2 inhibitors and GLP-1 receptor agonists have proven cardiorenal benefits in type 2 diabetes, and each is recommended in guidelines for patients at higher risk for cardiorenal complications. There are no head-to-head randomized trials of SGLT2 inhibitors vs GLP-1 receptor agonists, and studies suggesting an increased risk for lower-extremity amputation with SGLT2 inhibitors have shown inconsistent results. Lee and colleagues conducted a retrospective cohort study in Taiwan, and, after propensity score-matching patients with type 2 diabetes treated with SGLT inhibitors or GLP-1 receptor agonists, they found no significant difference in major adverse limb events between the two groups. Although limited by retrospective design, short follow-up, and a low number of events, this study suggests that SGLT2 inhibitors and GLP-1 receptor agonists should continue to be used as indicated and according to diabetes guidelines, with no difference in amputation rates between these two classes of antihyperglycemic agents.

 

Gastrointestinal adverse events are the most common side effects related to metformin use. Many clinicians choose an extended-release metformin preparation over immediate-release, believing that there may be better tolerability, but studies have shown inconsistent results. In a systematic review, meta-analysis, and meta-regression of randomized controlled trials, Nabrdalik and colleagues demonstrated an increased risk for abdominal pain, nausea, and diarrhea with metformin compared with other antidiabetic drugs or placebo, as well as a reduced risk for bloating and diarrhea with extended-release metformin compared with immediate-release formulations. These findings reinforce the practice for considering metformin extended-release over immediate-release formulations to reduce the chance of gastrointestinal side effects.

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Commentary: Hypertension, morbidity in MTOP, and hypothyroidism risk in obstetric emergencies, November 2022

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Fidelma Rigby, MD
This month's selection of obstetric emergencies research includes several clinically relevant and high-quality studies. We review a possible new role for low-dose aspirin in patients with chronic hypertension, examine the role of extended-release (ER) nifedipine in preeclampsia with severe features (preE with SF), look at the most common morbidities in medical terminations of pregnancy (MTOP) after 20 weeks, and examine the risk for neonatal hypothyroidism after CT pulmonary angiography.

Richards and colleagues explored the effects of aspirin prophylaxis in women with chronic hypertension. They did not detect a lowered risk for preeclampsia but did note a significantly decreased risk for preterm birth in the aspirin group. This was a systematic review and meta-analysis of nine studies (including retrospective cohort and randomized controlled trials). The mixed quality of the source data did limit the meta-analysis. However, this finding suggests that further research is warranted, and we may have a new role for aspirin in helping to decrease preterm birth in women with chronic hypertension.

Cleary and colleagues investigated the use of 30 mg oral nifedipine ER given every 24 hours until delivery in patients with preE with SF. In this randomized, triple-blinded, placebo-controlled trial, 110 patients were randomly assigned to nifedipine treatment or placebo. The results suggest a role for this medication early in the treatment of preE with SF, as the treated patients were much less likely to require acute therapy for severe-range blood pressure. The researchers also noted a trend toward fewer cesarean deliveries (20.8% vs 34.7%) and lower neonatal intensive care unit admissions (29.1% vs 47.1%) in the nifedipine ER group. This favors the use of nifedipine ER in patients with preE with SF.

Stewart and colleagues examined the more common morbidities associated with MTOP after 20 weeks estimated gestational age using a 10-year retrospective cohort study involving 407 patients. They found that 99% of the women had a successful vaginal delivery; however, 25% had some morbidity. Additionally, 16% of the women needed manual removal of placental tissue, 11% had postpartum hemorrhage, and 1.3% experienced severe maternal morbidity (including amniotic fluid embolism), but no maternal deaths occurred. Increased surveillance for postpartum hemorrhage in this patient population should be considered.

Righini and colleagues provide reassurance regarding a commonly used test to rule out pulmonary embolism in pregnant women. They present ancillary data from a prospective management outcome study of 149 women who underwent CT pulmonary angiography testing in pregnancy. There have been concerns raised regarding potential harmful effects related to intravenous iodinated contrast agents on thyroid function. None of the infants born to these patients had evidence of neonatal hypothyroidism (assessed via thyroid-stimulating hormone measurements). This gives reassurance that the use of CT pulmonary angiography testing for pulmonary embolism in pregnancy is safe.

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Dr. Rigby scans the journals, so you don't have to!
Dr. Rigby scans the journals, so you don't have to!

Fidelma Rigby, MD
This month's selection of obstetric emergencies research includes several clinically relevant and high-quality studies. We review a possible new role for low-dose aspirin in patients with chronic hypertension, examine the role of extended-release (ER) nifedipine in preeclampsia with severe features (preE with SF), look at the most common morbidities in medical terminations of pregnancy (MTOP) after 20 weeks, and examine the risk for neonatal hypothyroidism after CT pulmonary angiography.

Richards and colleagues explored the effects of aspirin prophylaxis in women with chronic hypertension. They did not detect a lowered risk for preeclampsia but did note a significantly decreased risk for preterm birth in the aspirin group. This was a systematic review and meta-analysis of nine studies (including retrospective cohort and randomized controlled trials). The mixed quality of the source data did limit the meta-analysis. However, this finding suggests that further research is warranted, and we may have a new role for aspirin in helping to decrease preterm birth in women with chronic hypertension.

Cleary and colleagues investigated the use of 30 mg oral nifedipine ER given every 24 hours until delivery in patients with preE with SF. In this randomized, triple-blinded, placebo-controlled trial, 110 patients were randomly assigned to nifedipine treatment or placebo. The results suggest a role for this medication early in the treatment of preE with SF, as the treated patients were much less likely to require acute therapy for severe-range blood pressure. The researchers also noted a trend toward fewer cesarean deliveries (20.8% vs 34.7%) and lower neonatal intensive care unit admissions (29.1% vs 47.1%) in the nifedipine ER group. This favors the use of nifedipine ER in patients with preE with SF.

Stewart and colleagues examined the more common morbidities associated with MTOP after 20 weeks estimated gestational age using a 10-year retrospective cohort study involving 407 patients. They found that 99% of the women had a successful vaginal delivery; however, 25% had some morbidity. Additionally, 16% of the women needed manual removal of placental tissue, 11% had postpartum hemorrhage, and 1.3% experienced severe maternal morbidity (including amniotic fluid embolism), but no maternal deaths occurred. Increased surveillance for postpartum hemorrhage in this patient population should be considered.

Righini and colleagues provide reassurance regarding a commonly used test to rule out pulmonary embolism in pregnant women. They present ancillary data from a prospective management outcome study of 149 women who underwent CT pulmonary angiography testing in pregnancy. There have been concerns raised regarding potential harmful effects related to intravenous iodinated contrast agents on thyroid function. None of the infants born to these patients had evidence of neonatal hypothyroidism (assessed via thyroid-stimulating hormone measurements). This gives reassurance that the use of CT pulmonary angiography testing for pulmonary embolism in pregnancy is safe.

Fidelma Rigby, MD
This month's selection of obstetric emergencies research includes several clinically relevant and high-quality studies. We review a possible new role for low-dose aspirin in patients with chronic hypertension, examine the role of extended-release (ER) nifedipine in preeclampsia with severe features (preE with SF), look at the most common morbidities in medical terminations of pregnancy (MTOP) after 20 weeks, and examine the risk for neonatal hypothyroidism after CT pulmonary angiography.

Richards and colleagues explored the effects of aspirin prophylaxis in women with chronic hypertension. They did not detect a lowered risk for preeclampsia but did note a significantly decreased risk for preterm birth in the aspirin group. This was a systematic review and meta-analysis of nine studies (including retrospective cohort and randomized controlled trials). The mixed quality of the source data did limit the meta-analysis. However, this finding suggests that further research is warranted, and we may have a new role for aspirin in helping to decrease preterm birth in women with chronic hypertension.

Cleary and colleagues investigated the use of 30 mg oral nifedipine ER given every 24 hours until delivery in patients with preE with SF. In this randomized, triple-blinded, placebo-controlled trial, 110 patients were randomly assigned to nifedipine treatment or placebo. The results suggest a role for this medication early in the treatment of preE with SF, as the treated patients were much less likely to require acute therapy for severe-range blood pressure. The researchers also noted a trend toward fewer cesarean deliveries (20.8% vs 34.7%) and lower neonatal intensive care unit admissions (29.1% vs 47.1%) in the nifedipine ER group. This favors the use of nifedipine ER in patients with preE with SF.

Stewart and colleagues examined the more common morbidities associated with MTOP after 20 weeks estimated gestational age using a 10-year retrospective cohort study involving 407 patients. They found that 99% of the women had a successful vaginal delivery; however, 25% had some morbidity. Additionally, 16% of the women needed manual removal of placental tissue, 11% had postpartum hemorrhage, and 1.3% experienced severe maternal morbidity (including amniotic fluid embolism), but no maternal deaths occurred. Increased surveillance for postpartum hemorrhage in this patient population should be considered.

Righini and colleagues provide reassurance regarding a commonly used test to rule out pulmonary embolism in pregnant women. They present ancillary data from a prospective management outcome study of 149 women who underwent CT pulmonary angiography testing in pregnancy. There have been concerns raised regarding potential harmful effects related to intravenous iodinated contrast agents on thyroid function. None of the infants born to these patients had evidence of neonatal hypothyroidism (assessed via thyroid-stimulating hormone measurements). This gives reassurance that the use of CT pulmonary angiography testing for pulmonary embolism in pregnancy is safe.

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Commentary: Endocrine therapies and male breast cancer, November 2022

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Dr. Roesch scans the journals, so you don't have to!

Erin Roesch, MD
The landmark phase 3 CLEOPATRA study demonstrated a 16.3-month improvement in overall survival (OS) at 8 years of follow-up with docetaxel/trastuzumab/pertuzumab (THP) vs docetaxel/trastuzumab in human epidermal growth factor receptor 2-positive (HER2+) metastatic breast cancer (MBC) and led to standard first-line use in this setting.1 The noninterventional HELENA study was designed to evaluate outcomes in clinical routine practice of first-line THP use among patients with HER2+ MBC after prior (neo)adjuvant trastuzumab (Thill et al).

A total of 126 patients were included in the full analysis set; median progression-free survival (PFS) was 18.8 months, overall response rate was 64.3%, and the safety profile was similar to prior studies. The median PFS in this observational study was comparable to a median PFS of 16.9 months in the CLEOPTRA study among 88 patients with prior (neo)adjuvant trastuzumab. HELENA also demonstrated similar PFS results for the hormone receptor (HR)-negative and HR-positive (HR+) subgroups (19.4 months vs 18.2 months), as well as for patients with nonvisceral and visceral metastases (20.5 months vs 18.0 months). These findings provide further support for use of the THP regimen as first-line treatment in the real-world setting for patients with HER2+ MBC and prior receipt of trastuzumab.

Adjuvant endocrine therapy (ET) is associated with a survival benefit for early-stage HR+ breast cancer; however, the absolute degree of benefit depends on various clinicopathologic features.2 Although it generally has a manageable toxicity profile, some side effects carry more significant consequences (thromboembolism, endometrial carcinoma, osteoporosis), and some of the more common ones can affect routine quality of life (hot flashes, vaginal dryness, arthralgia).

A retrospective observational study including 5545 patients with pT1a-b estrogen receptor-positive (ER+) breast cancer demonstrated improvements in disease-free survival (DFS) and recurrence-free survival (RFS) among those who received ET vs those who did not receive ET after 5 and 7 years of follow-up (DFS: increases of 2.5% and 3.3%; RFS: increases of 1.9% and 4.3%) (Houvenaeghel et al). Among all patients, absence of ET was associated with decreased DFS (hazard ratio [HR] 1.275; P = .047) but no difference in RFS or OS. Patients with pT1a-b ER+ grade 2-3 tumors (n = 2363) experienced decreased DFS (HR 1.502, P = .049) without ET; however, those with pT1a-b ER+ grade 1 tumors did not experience a negative effect on DFS without ET.

These results provide further support for the survival improvements seen with adjuvant ET — although the relative benefit may be fairly modest — and that ET omission is a relevant consideration in patients with comorbidities or tolerance issues, particularly those with pT1a-b grade 1 tumors.

Advancements in breast cancer therapies have led to improvements in survival outcomes, and it is therefore increasingly essential to recognize risks for other cancer types in breast cancer survivors. Male breast cancer is rare, and although clinical management for the most part mirrors that of female breast cancer, it is important to be aware of potential differences in this population, including risks for subsequent non-breast primary cancers.3

A meta-analysis including eight retrospective cohort studies with male breast cancer survivors reported the standardized incidence ratio (SIR), which compares the incidence of non-breast second primary cancers (SPC) among men with first primary breast cancer vs the expected incidence of non-breast primary cancers in the general male population. The summary SIR estimate was 1.27 (95% CI 1.03-1.56), with increased risk for certain SPCs: colorectal (SIR 1.29; 95% CI 1.03-1.61), pancreatic (SIR 1.64; 95% CI 1.05-2.55), and thyroid (SIR 5.58; 95% CI 1.04-30.05) (Allen et al). Additionally, men diagnosed with breast cancer before 50 years of age were observed to have increased SPC risk compared with men who were older than 50 years at breast cancer onset (SIR 1.50 vs 1.14; P = .040).

This study highlights the importance of genetic assessment for men diagnosed with breast cancer, so they can be appropriately counseled on subsequent cancer risk. It also stimulates thinking regarding other potential contributing factors to the observed increased SPC risk among male breast cancer survivors, including the effect of various treatments, hormonal influences, and significant family history.

Studies have shown that older women derive a survival benefit with adjuvant chemotherapy; however, they may be at increased risk of experiencing toxicities owing to physical functioning and comorbidities.4 A comprehensive geriatric assessment is key, and it is also beneficial for identifying which patients have a higher likelihood of clinical decline after chemotherapy.

A prospective study including 295 robust women age ≥ 65 years with stage I-III breast cancer treated with chemotherapy showed that 26% had a chemotherapy-induced decline in frailty status; patients with high interleukin-6 (IL-6) and C-reactive protein (CRP) inflammatory markers before chemotherapy had a more than threefold odds of experiencing a chemotherapy-induced decline in frailty compared with those with low IL-6 and CRP (odds ratio 3.52; 95% CI 1.55-8.01; P = .003) (Ji et al).

These findings support the relationship between inflammation, aging, and chemotherapy-induced functional decline. Further research is warranted to identify whether there are specific drugs that are implicated, methods to enhance anti-inflammatory effects, and any downstream effect on breast cancer outcomes of these patients.

Additional References

  1. Swain SM, Miles D, Kim SB, et al; CLEOPATRA study group. Pertuzumab, trastuzumab, and docetaxel for HER2-positive metastatic breast cancer (CLEOPATRA): End-of-study results from a double-blind, randomised, placebo-controlled, phase 3 study. Lancet Oncol. 2020;21:519-530. Doi: 10.1016/S1470-2045(19)30863-0
  2. Ma SJ, Oladeru OT, Singh AK. Association of endocrine therapy with overall survival in women with small, hormone receptor-positive, ERBB2-negative breast cancer. JAMA Netw Open. 2020;3:e2013973. Doi: 10.1001/jamanetworkopen.2020.13973
  3. Pritzlaff M, Summerour P, McFarland R, et al. Male breast cancer in a multi-gene panel testing cohort: Insights and unexpected results. Breast Cancer Res Treat. 2017;161:575-586. Doi: 10.1007/s10549-016-4085-4
  4. Tamirisa N, Lin H, Shen Y, et al. Association of chemotherapy with survival in elderly patients with multiple comorbidities and estrogen receptor-positive, node-positive breast cancer. JAMA Oncol. 2020;6:1548-155 Doi: 10.1001/jamaoncol.2020.2388

 

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Erin E. Roesch, MD, Associate Staff, Department of Medical Oncology, Cleveland Clinic, Cleveland, Ohio
Erin E. Roesch, MD, has disclosed the following relevant financial relationships:
Serve(d) as a speaker or a member of a speakers bureau for: Puma Biotechnology

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Erin E. Roesch, MD, has disclosed the following relevant financial relationships:
Serve(d) as a speaker or a member of a speakers bureau for: Puma Biotechnology

Author and Disclosure Information

Erin E. Roesch, MD, Associate Staff, Department of Medical Oncology, Cleveland Clinic, Cleveland, Ohio
Erin E. Roesch, MD, has disclosed the following relevant financial relationships:
Serve(d) as a speaker or a member of a speakers bureau for: Puma Biotechnology

Dr. Roesch scans the journals, so you don't have to!
Dr. Roesch scans the journals, so you don't have to!

Erin Roesch, MD
The landmark phase 3 CLEOPATRA study demonstrated a 16.3-month improvement in overall survival (OS) at 8 years of follow-up with docetaxel/trastuzumab/pertuzumab (THP) vs docetaxel/trastuzumab in human epidermal growth factor receptor 2-positive (HER2+) metastatic breast cancer (MBC) and led to standard first-line use in this setting.1 The noninterventional HELENA study was designed to evaluate outcomes in clinical routine practice of first-line THP use among patients with HER2+ MBC after prior (neo)adjuvant trastuzumab (Thill et al).

A total of 126 patients were included in the full analysis set; median progression-free survival (PFS) was 18.8 months, overall response rate was 64.3%, and the safety profile was similar to prior studies. The median PFS in this observational study was comparable to a median PFS of 16.9 months in the CLEOPTRA study among 88 patients with prior (neo)adjuvant trastuzumab. HELENA also demonstrated similar PFS results for the hormone receptor (HR)-negative and HR-positive (HR+) subgroups (19.4 months vs 18.2 months), as well as for patients with nonvisceral and visceral metastases (20.5 months vs 18.0 months). These findings provide further support for use of the THP regimen as first-line treatment in the real-world setting for patients with HER2+ MBC and prior receipt of trastuzumab.

Adjuvant endocrine therapy (ET) is associated with a survival benefit for early-stage HR+ breast cancer; however, the absolute degree of benefit depends on various clinicopathologic features.2 Although it generally has a manageable toxicity profile, some side effects carry more significant consequences (thromboembolism, endometrial carcinoma, osteoporosis), and some of the more common ones can affect routine quality of life (hot flashes, vaginal dryness, arthralgia).

A retrospective observational study including 5545 patients with pT1a-b estrogen receptor-positive (ER+) breast cancer demonstrated improvements in disease-free survival (DFS) and recurrence-free survival (RFS) among those who received ET vs those who did not receive ET after 5 and 7 years of follow-up (DFS: increases of 2.5% and 3.3%; RFS: increases of 1.9% and 4.3%) (Houvenaeghel et al). Among all patients, absence of ET was associated with decreased DFS (hazard ratio [HR] 1.275; P = .047) but no difference in RFS or OS. Patients with pT1a-b ER+ grade 2-3 tumors (n = 2363) experienced decreased DFS (HR 1.502, P = .049) without ET; however, those with pT1a-b ER+ grade 1 tumors did not experience a negative effect on DFS without ET.

These results provide further support for the survival improvements seen with adjuvant ET — although the relative benefit may be fairly modest — and that ET omission is a relevant consideration in patients with comorbidities or tolerance issues, particularly those with pT1a-b grade 1 tumors.

Advancements in breast cancer therapies have led to improvements in survival outcomes, and it is therefore increasingly essential to recognize risks for other cancer types in breast cancer survivors. Male breast cancer is rare, and although clinical management for the most part mirrors that of female breast cancer, it is important to be aware of potential differences in this population, including risks for subsequent non-breast primary cancers.3

A meta-analysis including eight retrospective cohort studies with male breast cancer survivors reported the standardized incidence ratio (SIR), which compares the incidence of non-breast second primary cancers (SPC) among men with first primary breast cancer vs the expected incidence of non-breast primary cancers in the general male population. The summary SIR estimate was 1.27 (95% CI 1.03-1.56), with increased risk for certain SPCs: colorectal (SIR 1.29; 95% CI 1.03-1.61), pancreatic (SIR 1.64; 95% CI 1.05-2.55), and thyroid (SIR 5.58; 95% CI 1.04-30.05) (Allen et al). Additionally, men diagnosed with breast cancer before 50 years of age were observed to have increased SPC risk compared with men who were older than 50 years at breast cancer onset (SIR 1.50 vs 1.14; P = .040).

This study highlights the importance of genetic assessment for men diagnosed with breast cancer, so they can be appropriately counseled on subsequent cancer risk. It also stimulates thinking regarding other potential contributing factors to the observed increased SPC risk among male breast cancer survivors, including the effect of various treatments, hormonal influences, and significant family history.

Studies have shown that older women derive a survival benefit with adjuvant chemotherapy; however, they may be at increased risk of experiencing toxicities owing to physical functioning and comorbidities.4 A comprehensive geriatric assessment is key, and it is also beneficial for identifying which patients have a higher likelihood of clinical decline after chemotherapy.

A prospective study including 295 robust women age ≥ 65 years with stage I-III breast cancer treated with chemotherapy showed that 26% had a chemotherapy-induced decline in frailty status; patients with high interleukin-6 (IL-6) and C-reactive protein (CRP) inflammatory markers before chemotherapy had a more than threefold odds of experiencing a chemotherapy-induced decline in frailty compared with those with low IL-6 and CRP (odds ratio 3.52; 95% CI 1.55-8.01; P = .003) (Ji et al).

These findings support the relationship between inflammation, aging, and chemotherapy-induced functional decline. Further research is warranted to identify whether there are specific drugs that are implicated, methods to enhance anti-inflammatory effects, and any downstream effect on breast cancer outcomes of these patients.

Additional References

  1. Swain SM, Miles D, Kim SB, et al; CLEOPATRA study group. Pertuzumab, trastuzumab, and docetaxel for HER2-positive metastatic breast cancer (CLEOPATRA): End-of-study results from a double-blind, randomised, placebo-controlled, phase 3 study. Lancet Oncol. 2020;21:519-530. Doi: 10.1016/S1470-2045(19)30863-0
  2. Ma SJ, Oladeru OT, Singh AK. Association of endocrine therapy with overall survival in women with small, hormone receptor-positive, ERBB2-negative breast cancer. JAMA Netw Open. 2020;3:e2013973. Doi: 10.1001/jamanetworkopen.2020.13973
  3. Pritzlaff M, Summerour P, McFarland R, et al. Male breast cancer in a multi-gene panel testing cohort: Insights and unexpected results. Breast Cancer Res Treat. 2017;161:575-586. Doi: 10.1007/s10549-016-4085-4
  4. Tamirisa N, Lin H, Shen Y, et al. Association of chemotherapy with survival in elderly patients with multiple comorbidities and estrogen receptor-positive, node-positive breast cancer. JAMA Oncol. 2020;6:1548-155 Doi: 10.1001/jamaoncol.2020.2388

 

Erin Roesch, MD
The landmark phase 3 CLEOPATRA study demonstrated a 16.3-month improvement in overall survival (OS) at 8 years of follow-up with docetaxel/trastuzumab/pertuzumab (THP) vs docetaxel/trastuzumab in human epidermal growth factor receptor 2-positive (HER2+) metastatic breast cancer (MBC) and led to standard first-line use in this setting.1 The noninterventional HELENA study was designed to evaluate outcomes in clinical routine practice of first-line THP use among patients with HER2+ MBC after prior (neo)adjuvant trastuzumab (Thill et al).

A total of 126 patients were included in the full analysis set; median progression-free survival (PFS) was 18.8 months, overall response rate was 64.3%, and the safety profile was similar to prior studies. The median PFS in this observational study was comparable to a median PFS of 16.9 months in the CLEOPTRA study among 88 patients with prior (neo)adjuvant trastuzumab. HELENA also demonstrated similar PFS results for the hormone receptor (HR)-negative and HR-positive (HR+) subgroups (19.4 months vs 18.2 months), as well as for patients with nonvisceral and visceral metastases (20.5 months vs 18.0 months). These findings provide further support for use of the THP regimen as first-line treatment in the real-world setting for patients with HER2+ MBC and prior receipt of trastuzumab.

Adjuvant endocrine therapy (ET) is associated with a survival benefit for early-stage HR+ breast cancer; however, the absolute degree of benefit depends on various clinicopathologic features.2 Although it generally has a manageable toxicity profile, some side effects carry more significant consequences (thromboembolism, endometrial carcinoma, osteoporosis), and some of the more common ones can affect routine quality of life (hot flashes, vaginal dryness, arthralgia).

A retrospective observational study including 5545 patients with pT1a-b estrogen receptor-positive (ER+) breast cancer demonstrated improvements in disease-free survival (DFS) and recurrence-free survival (RFS) among those who received ET vs those who did not receive ET after 5 and 7 years of follow-up (DFS: increases of 2.5% and 3.3%; RFS: increases of 1.9% and 4.3%) (Houvenaeghel et al). Among all patients, absence of ET was associated with decreased DFS (hazard ratio [HR] 1.275; P = .047) but no difference in RFS or OS. Patients with pT1a-b ER+ grade 2-3 tumors (n = 2363) experienced decreased DFS (HR 1.502, P = .049) without ET; however, those with pT1a-b ER+ grade 1 tumors did not experience a negative effect on DFS without ET.

These results provide further support for the survival improvements seen with adjuvant ET — although the relative benefit may be fairly modest — and that ET omission is a relevant consideration in patients with comorbidities or tolerance issues, particularly those with pT1a-b grade 1 tumors.

Advancements in breast cancer therapies have led to improvements in survival outcomes, and it is therefore increasingly essential to recognize risks for other cancer types in breast cancer survivors. Male breast cancer is rare, and although clinical management for the most part mirrors that of female breast cancer, it is important to be aware of potential differences in this population, including risks for subsequent non-breast primary cancers.3

A meta-analysis including eight retrospective cohort studies with male breast cancer survivors reported the standardized incidence ratio (SIR), which compares the incidence of non-breast second primary cancers (SPC) among men with first primary breast cancer vs the expected incidence of non-breast primary cancers in the general male population. The summary SIR estimate was 1.27 (95% CI 1.03-1.56), with increased risk for certain SPCs: colorectal (SIR 1.29; 95% CI 1.03-1.61), pancreatic (SIR 1.64; 95% CI 1.05-2.55), and thyroid (SIR 5.58; 95% CI 1.04-30.05) (Allen et al). Additionally, men diagnosed with breast cancer before 50 years of age were observed to have increased SPC risk compared with men who were older than 50 years at breast cancer onset (SIR 1.50 vs 1.14; P = .040).

This study highlights the importance of genetic assessment for men diagnosed with breast cancer, so they can be appropriately counseled on subsequent cancer risk. It also stimulates thinking regarding other potential contributing factors to the observed increased SPC risk among male breast cancer survivors, including the effect of various treatments, hormonal influences, and significant family history.

Studies have shown that older women derive a survival benefit with adjuvant chemotherapy; however, they may be at increased risk of experiencing toxicities owing to physical functioning and comorbidities.4 A comprehensive geriatric assessment is key, and it is also beneficial for identifying which patients have a higher likelihood of clinical decline after chemotherapy.

A prospective study including 295 robust women age ≥ 65 years with stage I-III breast cancer treated with chemotherapy showed that 26% had a chemotherapy-induced decline in frailty status; patients with high interleukin-6 (IL-6) and C-reactive protein (CRP) inflammatory markers before chemotherapy had a more than threefold odds of experiencing a chemotherapy-induced decline in frailty compared with those with low IL-6 and CRP (odds ratio 3.52; 95% CI 1.55-8.01; P = .003) (Ji et al).

These findings support the relationship between inflammation, aging, and chemotherapy-induced functional decline. Further research is warranted to identify whether there are specific drugs that are implicated, methods to enhance anti-inflammatory effects, and any downstream effect on breast cancer outcomes of these patients.

Additional References

  1. Swain SM, Miles D, Kim SB, et al; CLEOPATRA study group. Pertuzumab, trastuzumab, and docetaxel for HER2-positive metastatic breast cancer (CLEOPATRA): End-of-study results from a double-blind, randomised, placebo-controlled, phase 3 study. Lancet Oncol. 2020;21:519-530. Doi: 10.1016/S1470-2045(19)30863-0
  2. Ma SJ, Oladeru OT, Singh AK. Association of endocrine therapy with overall survival in women with small, hormone receptor-positive, ERBB2-negative breast cancer. JAMA Netw Open. 2020;3:e2013973. Doi: 10.1001/jamanetworkopen.2020.13973
  3. Pritzlaff M, Summerour P, McFarland R, et al. Male breast cancer in a multi-gene panel testing cohort: Insights and unexpected results. Breast Cancer Res Treat. 2017;161:575-586. Doi: 10.1007/s10549-016-4085-4
  4. Tamirisa N, Lin H, Shen Y, et al. Association of chemotherapy with survival in elderly patients with multiple comorbidities and estrogen receptor-positive, node-positive breast cancer. JAMA Oncol. 2020;6:1548-155 Doi: 10.1001/jamaoncol.2020.2388

 

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Commentary: Complementary treatments for AD, November 2022

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Dr. Silverberg scans the journals, so you don’t have to!

Jonathan Silverberg, MD, PhD, MPH
Over the past few months, I have reviewed a lot of exciting new data for novel therapies in atopic dermatitis (AD), including topical Janus kinase (JAK) and phosphodiesterase-4 (PDE4) inhibitors, oral JAK inhibitors, and injectable inhibitors of interleukin 4/13, 13, and 31 signaling. All of these treatment approaches showed good efficacy and safety for treatment of different subsets of patients with AD.

Still, some patients seek alternative or adjunctive treatment approaches, owing to a desire to identify the root cause of disease, their aversion toward Western medicine, or fear of adverse events. Yepes-Nuñez and colleagues performed a systematic review and meta-analysis including 23 studies of benefits and harms of allergen immunotherapy for AD. I had the privilege of participating in this study and can testify to the astronomical amount of work that went into comprehensively identifying all of the relevant studies and synthesizing the data. We found that adjunctive subcutaneous or sublingual allergen immunotherapy, particularly for house dust mites, led to modest but generally delayed improvements of AD severity, itch, and quality of life, and less definitive effects on sleep disturbance and AD flares. Overall, both were well tolerated, though subcutaneous immunotherapy was associated with more adverse events than sublingual immunotherapy. Allergen immunotherapy requires a significant investment of time by patients and was only modestly effective. Nevertheless, it may be a reasonable approach to consider in select patients with AD.

Benjamin Franklin famously stated that "an ounce of prevention is worth a pound of cure." Likewise, while successful treatment of AD is great, how can we advise patients and caregivers of children who are at high risk for AD? To answer this question, Voigt and Lele performed a systematic review and meta-analysis of 11 randomized controlled trials examining the efficacy of Lactobacillus rhamnosus at preventing AD in children when taken by mothers during pregnancy. They found that L. rhamnosus significantly reduced the risk of developing AD within 2 years, marginally significantly reduced risk at 4-5 years, and significantly reduced risk at 6-7 years, but no significant risk differences were observed at 10-11 years. The authors concluded that use of L. rhamnosus with or without other probiotics during pregnancy reduces the incidence of childhood AD at least up to age 7 years.

Wang and colleagues conducted an observational study of the relationship of home environment exposures with atopic disease, including AD, in 17,881 offspring from Iceland, Norway, Sweden, Denmark, and Estonia who had undergone two follow-up investigations every 10 years. They found that AD was associated with parent-reported visible mold and dampness/mold at home, living in an apartment, and living in newer buildings. Avoidance of these environmental exposures could possibly decrease the risk of developing AD, although future confirmatory studies are needed.

For each of these treatment/prevention approaches, the magnitude of benefit is not very large. Thus, these approaches do not replace our armamentarium of treatments and avoidance strategies for AD. Rather, they can be used complementarily as low-risk add-on interventions with a potential upside.

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George Washington University School of Medicine and Health Sciences
Washington, DC

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Dr. Silverberg scans the journals, so you don’t have to!
Dr. Silverberg scans the journals, so you don’t have to!

Jonathan Silverberg, MD, PhD, MPH
Over the past few months, I have reviewed a lot of exciting new data for novel therapies in atopic dermatitis (AD), including topical Janus kinase (JAK) and phosphodiesterase-4 (PDE4) inhibitors, oral JAK inhibitors, and injectable inhibitors of interleukin 4/13, 13, and 31 signaling. All of these treatment approaches showed good efficacy and safety for treatment of different subsets of patients with AD.

Still, some patients seek alternative or adjunctive treatment approaches, owing to a desire to identify the root cause of disease, their aversion toward Western medicine, or fear of adverse events. Yepes-Nuñez and colleagues performed a systematic review and meta-analysis including 23 studies of benefits and harms of allergen immunotherapy for AD. I had the privilege of participating in this study and can testify to the astronomical amount of work that went into comprehensively identifying all of the relevant studies and synthesizing the data. We found that adjunctive subcutaneous or sublingual allergen immunotherapy, particularly for house dust mites, led to modest but generally delayed improvements of AD severity, itch, and quality of life, and less definitive effects on sleep disturbance and AD flares. Overall, both were well tolerated, though subcutaneous immunotherapy was associated with more adverse events than sublingual immunotherapy. Allergen immunotherapy requires a significant investment of time by patients and was only modestly effective. Nevertheless, it may be a reasonable approach to consider in select patients with AD.

Benjamin Franklin famously stated that "an ounce of prevention is worth a pound of cure." Likewise, while successful treatment of AD is great, how can we advise patients and caregivers of children who are at high risk for AD? To answer this question, Voigt and Lele performed a systematic review and meta-analysis of 11 randomized controlled trials examining the efficacy of Lactobacillus rhamnosus at preventing AD in children when taken by mothers during pregnancy. They found that L. rhamnosus significantly reduced the risk of developing AD within 2 years, marginally significantly reduced risk at 4-5 years, and significantly reduced risk at 6-7 years, but no significant risk differences were observed at 10-11 years. The authors concluded that use of L. rhamnosus with or without other probiotics during pregnancy reduces the incidence of childhood AD at least up to age 7 years.

Wang and colleagues conducted an observational study of the relationship of home environment exposures with atopic disease, including AD, in 17,881 offspring from Iceland, Norway, Sweden, Denmark, and Estonia who had undergone two follow-up investigations every 10 years. They found that AD was associated with parent-reported visible mold and dampness/mold at home, living in an apartment, and living in newer buildings. Avoidance of these environmental exposures could possibly decrease the risk of developing AD, although future confirmatory studies are needed.

For each of these treatment/prevention approaches, the magnitude of benefit is not very large. Thus, these approaches do not replace our armamentarium of treatments and avoidance strategies for AD. Rather, they can be used complementarily as low-risk add-on interventions with a potential upside.

Jonathan Silverberg, MD, PhD, MPH
Over the past few months, I have reviewed a lot of exciting new data for novel therapies in atopic dermatitis (AD), including topical Janus kinase (JAK) and phosphodiesterase-4 (PDE4) inhibitors, oral JAK inhibitors, and injectable inhibitors of interleukin 4/13, 13, and 31 signaling. All of these treatment approaches showed good efficacy and safety for treatment of different subsets of patients with AD.

Still, some patients seek alternative or adjunctive treatment approaches, owing to a desire to identify the root cause of disease, their aversion toward Western medicine, or fear of adverse events. Yepes-Nuñez and colleagues performed a systematic review and meta-analysis including 23 studies of benefits and harms of allergen immunotherapy for AD. I had the privilege of participating in this study and can testify to the astronomical amount of work that went into comprehensively identifying all of the relevant studies and synthesizing the data. We found that adjunctive subcutaneous or sublingual allergen immunotherapy, particularly for house dust mites, led to modest but generally delayed improvements of AD severity, itch, and quality of life, and less definitive effects on sleep disturbance and AD flares. Overall, both were well tolerated, though subcutaneous immunotherapy was associated with more adverse events than sublingual immunotherapy. Allergen immunotherapy requires a significant investment of time by patients and was only modestly effective. Nevertheless, it may be a reasonable approach to consider in select patients with AD.

Benjamin Franklin famously stated that "an ounce of prevention is worth a pound of cure." Likewise, while successful treatment of AD is great, how can we advise patients and caregivers of children who are at high risk for AD? To answer this question, Voigt and Lele performed a systematic review and meta-analysis of 11 randomized controlled trials examining the efficacy of Lactobacillus rhamnosus at preventing AD in children when taken by mothers during pregnancy. They found that L. rhamnosus significantly reduced the risk of developing AD within 2 years, marginally significantly reduced risk at 4-5 years, and significantly reduced risk at 6-7 years, but no significant risk differences were observed at 10-11 years. The authors concluded that use of L. rhamnosus with or without other probiotics during pregnancy reduces the incidence of childhood AD at least up to age 7 years.

Wang and colleagues conducted an observational study of the relationship of home environment exposures with atopic disease, including AD, in 17,881 offspring from Iceland, Norway, Sweden, Denmark, and Estonia who had undergone two follow-up investigations every 10 years. They found that AD was associated with parent-reported visible mold and dampness/mold at home, living in an apartment, and living in newer buildings. Avoidance of these environmental exposures could possibly decrease the risk of developing AD, although future confirmatory studies are needed.

For each of these treatment/prevention approaches, the magnitude of benefit is not very large. Thus, these approaches do not replace our armamentarium of treatments and avoidance strategies for AD. Rather, they can be used complementarily as low-risk add-on interventions with a potential upside.

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Commentary: Potential new treatments in gastroesophageal adenocarcinoma, November 2022

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Dr Uboha scans the journals so you don't have to!

 

 

Gastroesophageal adenocarcinomas are a diverse group of diseases that we are starting to reclassify more and more on the basis of biomarker profiles, such as microsatellite status, human epidermal growth factor receptor 2 (HER2) and programmed death-ligand 1 (PD-L1) positivity, and molecular signatures based on next-generation sequencing results. Recently, fibroblast growth factor receptor 2 (FGFR2), particularly the FGFR2b form, emerged as a potential future biomarker for treatment selection. FGFR2b as a biomarker is present in a significant proportion of upper gastrointestinal tumors.

The phase 2 FIGHT trial1 evaluated the role of bemarituzumab, an anti-FGFR2 antibody, in combination with chemotherapy during first-line treatment of advanced gastroesophageal adenocarcinoma. The primary endpoint of this trial was progression-free survival (PFS). This trial enrolled 155 patients with upper gastrointestinal tumors with FGFR2b overexpression (defined as at least 2+ by immunohistochemistry) or amplification on next-generation sequencing. About 30% of patients with HER2 nonpositive tumors (ie, those that would not qualify for treatment with the targeted agent trastuzumab) were eligible for participation. In the FIGHT trial, patients were randomized in a 1:1 ratio to receive either standard chemotherapy (folinic acid, fluorouracil, and oxaliplatin [FOLFOX]) or chemotherapy plus bemarituzumab. Patients in the experimental group were allowed to receive one dose of standard FOLFOX chemotherapy while biomarker testing was ongoing.

With a median follow-up time of 10.9 moths, PFS was numerically prolonged in the bemarituzumab group (9.5 vs 7.4 months), but it did not reach statistical significance (P = .073). Overall survival (OS) was improved in the experimental group (not reached vs 12.9 months; P = .027). With a longer follow-up of 12.5 months, in post hoc exploratory analysis, OS was significantly longer in the experimental group (19.2 vs 13.5 months; hazard ratio 0.60, P = .027). The rate of serious adverse events was similar between the two groups. However, it is important to note ocular toxicities associated with bemarituzumab treatment. Corneal adverse events were seen in 67% of patients in the experimental group, with 24% of patients experiencing grade 3 events. Moreover, 26% of patients discontinued bemarituzumab because of corneal adverse events.

Overall, this phase 2 trial demonstrated that FGFR2b is emerging as an important biomarker and target in patients with advanced gastroesophageal adenocarcinoma. Ongoing phase 3 trials (FORTITUDE-101 with FOLFOX [NCT05052801] and FORTITUDE-102 with FOLFOX and nivolumab [NCT05111626]) hopefully will confirm the early results seen in the FIGHT trial. Awareness and early attention to treatment-associated toxicities will be critical for the potential future incorporation of bemarituzumab into clinical practice.

A study by Ramos‐Santillan and colleagues explored whether the order of treatment modalities matter in the management of early-stage gastric cancer. Typically, perioperative chemotherapy (both neoadjuvant and adjuvant) is used during treatment of early-stage gastric cancer, which is usually defined as at least cT2N0 or cTxN+ disease. In this study, multivariable Cox regression analyses were performed on propensity score-matched cohorts. The study analyzed outcomes of 11,984 patients who were identified using the US National Cancer Database and treated between 2005 and 2014. The results revealed that patients who had stage I disease had better outcomes with upfront resection followed by adjuvant therapy. Patients with stage III disease did better with a neoadjuvant approach, whereas patients with stage II disease had similar outcomes regardless of chemotherapy timing. This research has the limitations inherent to the retrospective nature of the analysis and lack of prospective enrollment and controls. However, it does suggest that there may be a fraction of patients who should be treated with upfront resection. For incorporation of this change into standard practice, the question of therapy sequencing should be answered in a randomized prospective trial that incorporates the most updated systemic therapy (fluorouracil, leucovorin, oxaliplatin, and docetaxel [FLOT]) into its design.

Chemotherapy continues to play a critical role during first-line treatment of advanced esophageal and gastric adenocarcinoma. Triple chemotherapy regimens have been known to have increased efficacy in this setting, but their use has been limited by associated toxicities. A study by Nguyen and colleagues evaluated the TCX regimen (paclitaxel, carboplatin, and capecitabine) during first-line treatment of advanced gastric cancer. This regimen is similar to other triple chemotherapy regimens, such as FLOT and DCF (docetaxel, cisplatin, and fluorouracil), which have proven activity in this disease. This prospective phase 2 trial enrolled 83 patients. The median PFS (9.3 months) and OS (17 months) compared favorably with historical references. The regimen had expected adverse events, with cytopenias and fatigue being the most frequently reported. On the basis of the reported safety and efficacy, TCX has potential to be used as a chemotherapy backbone in future trials, but larger trials are needed to confirm the phase 2 trial results.

 

References

Wainberg ZA, Enzinger PC, Kang YK, et al. Bemarituzumab in patients with FGFR2b-selected gastric or gastro-oesophageal junction adenocarcinoma (FIGHT): A randomised, double-blind, placebo-controlled, phase 2 study. Lancet Oncol. 2022 Oct 13. Doi: 10.1016/S1470-2045(22)00603-9

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Dr Uboha scans the journals so you don't have to!
Dr Uboha scans the journals so you don't have to!

 

 

Gastroesophageal adenocarcinomas are a diverse group of diseases that we are starting to reclassify more and more on the basis of biomarker profiles, such as microsatellite status, human epidermal growth factor receptor 2 (HER2) and programmed death-ligand 1 (PD-L1) positivity, and molecular signatures based on next-generation sequencing results. Recently, fibroblast growth factor receptor 2 (FGFR2), particularly the FGFR2b form, emerged as a potential future biomarker for treatment selection. FGFR2b as a biomarker is present in a significant proportion of upper gastrointestinal tumors.

The phase 2 FIGHT trial1 evaluated the role of bemarituzumab, an anti-FGFR2 antibody, in combination with chemotherapy during first-line treatment of advanced gastroesophageal adenocarcinoma. The primary endpoint of this trial was progression-free survival (PFS). This trial enrolled 155 patients with upper gastrointestinal tumors with FGFR2b overexpression (defined as at least 2+ by immunohistochemistry) or amplification on next-generation sequencing. About 30% of patients with HER2 nonpositive tumors (ie, those that would not qualify for treatment with the targeted agent trastuzumab) were eligible for participation. In the FIGHT trial, patients were randomized in a 1:1 ratio to receive either standard chemotherapy (folinic acid, fluorouracil, and oxaliplatin [FOLFOX]) or chemotherapy plus bemarituzumab. Patients in the experimental group were allowed to receive one dose of standard FOLFOX chemotherapy while biomarker testing was ongoing.

With a median follow-up time of 10.9 moths, PFS was numerically prolonged in the bemarituzumab group (9.5 vs 7.4 months), but it did not reach statistical significance (P = .073). Overall survival (OS) was improved in the experimental group (not reached vs 12.9 months; P = .027). With a longer follow-up of 12.5 months, in post hoc exploratory analysis, OS was significantly longer in the experimental group (19.2 vs 13.5 months; hazard ratio 0.60, P = .027). The rate of serious adverse events was similar between the two groups. However, it is important to note ocular toxicities associated with bemarituzumab treatment. Corneal adverse events were seen in 67% of patients in the experimental group, with 24% of patients experiencing grade 3 events. Moreover, 26% of patients discontinued bemarituzumab because of corneal adverse events.

Overall, this phase 2 trial demonstrated that FGFR2b is emerging as an important biomarker and target in patients with advanced gastroesophageal adenocarcinoma. Ongoing phase 3 trials (FORTITUDE-101 with FOLFOX [NCT05052801] and FORTITUDE-102 with FOLFOX and nivolumab [NCT05111626]) hopefully will confirm the early results seen in the FIGHT trial. Awareness and early attention to treatment-associated toxicities will be critical for the potential future incorporation of bemarituzumab into clinical practice.

A study by Ramos‐Santillan and colleagues explored whether the order of treatment modalities matter in the management of early-stage gastric cancer. Typically, perioperative chemotherapy (both neoadjuvant and adjuvant) is used during treatment of early-stage gastric cancer, which is usually defined as at least cT2N0 or cTxN+ disease. In this study, multivariable Cox regression analyses were performed on propensity score-matched cohorts. The study analyzed outcomes of 11,984 patients who were identified using the US National Cancer Database and treated between 2005 and 2014. The results revealed that patients who had stage I disease had better outcomes with upfront resection followed by adjuvant therapy. Patients with stage III disease did better with a neoadjuvant approach, whereas patients with stage II disease had similar outcomes regardless of chemotherapy timing. This research has the limitations inherent to the retrospective nature of the analysis and lack of prospective enrollment and controls. However, it does suggest that there may be a fraction of patients who should be treated with upfront resection. For incorporation of this change into standard practice, the question of therapy sequencing should be answered in a randomized prospective trial that incorporates the most updated systemic therapy (fluorouracil, leucovorin, oxaliplatin, and docetaxel [FLOT]) into its design.

Chemotherapy continues to play a critical role during first-line treatment of advanced esophageal and gastric adenocarcinoma. Triple chemotherapy regimens have been known to have increased efficacy in this setting, but their use has been limited by associated toxicities. A study by Nguyen and colleagues evaluated the TCX regimen (paclitaxel, carboplatin, and capecitabine) during first-line treatment of advanced gastric cancer. This regimen is similar to other triple chemotherapy regimens, such as FLOT and DCF (docetaxel, cisplatin, and fluorouracil), which have proven activity in this disease. This prospective phase 2 trial enrolled 83 patients. The median PFS (9.3 months) and OS (17 months) compared favorably with historical references. The regimen had expected adverse events, with cytopenias and fatigue being the most frequently reported. On the basis of the reported safety and efficacy, TCX has potential to be used as a chemotherapy backbone in future trials, but larger trials are needed to confirm the phase 2 trial results.

 

References

Wainberg ZA, Enzinger PC, Kang YK, et al. Bemarituzumab in patients with FGFR2b-selected gastric or gastro-oesophageal junction adenocarcinoma (FIGHT): A randomised, double-blind, placebo-controlled, phase 2 study. Lancet Oncol. 2022 Oct 13. Doi: 10.1016/S1470-2045(22)00603-9

 

 

Gastroesophageal adenocarcinomas are a diverse group of diseases that we are starting to reclassify more and more on the basis of biomarker profiles, such as microsatellite status, human epidermal growth factor receptor 2 (HER2) and programmed death-ligand 1 (PD-L1) positivity, and molecular signatures based on next-generation sequencing results. Recently, fibroblast growth factor receptor 2 (FGFR2), particularly the FGFR2b form, emerged as a potential future biomarker for treatment selection. FGFR2b as a biomarker is present in a significant proportion of upper gastrointestinal tumors.

The phase 2 FIGHT trial1 evaluated the role of bemarituzumab, an anti-FGFR2 antibody, in combination with chemotherapy during first-line treatment of advanced gastroesophageal adenocarcinoma. The primary endpoint of this trial was progression-free survival (PFS). This trial enrolled 155 patients with upper gastrointestinal tumors with FGFR2b overexpression (defined as at least 2+ by immunohistochemistry) or amplification on next-generation sequencing. About 30% of patients with HER2 nonpositive tumors (ie, those that would not qualify for treatment with the targeted agent trastuzumab) were eligible for participation. In the FIGHT trial, patients were randomized in a 1:1 ratio to receive either standard chemotherapy (folinic acid, fluorouracil, and oxaliplatin [FOLFOX]) or chemotherapy plus bemarituzumab. Patients in the experimental group were allowed to receive one dose of standard FOLFOX chemotherapy while biomarker testing was ongoing.

With a median follow-up time of 10.9 moths, PFS was numerically prolonged in the bemarituzumab group (9.5 vs 7.4 months), but it did not reach statistical significance (P = .073). Overall survival (OS) was improved in the experimental group (not reached vs 12.9 months; P = .027). With a longer follow-up of 12.5 months, in post hoc exploratory analysis, OS was significantly longer in the experimental group (19.2 vs 13.5 months; hazard ratio 0.60, P = .027). The rate of serious adverse events was similar between the two groups. However, it is important to note ocular toxicities associated with bemarituzumab treatment. Corneal adverse events were seen in 67% of patients in the experimental group, with 24% of patients experiencing grade 3 events. Moreover, 26% of patients discontinued bemarituzumab because of corneal adverse events.

Overall, this phase 2 trial demonstrated that FGFR2b is emerging as an important biomarker and target in patients with advanced gastroesophageal adenocarcinoma. Ongoing phase 3 trials (FORTITUDE-101 with FOLFOX [NCT05052801] and FORTITUDE-102 with FOLFOX and nivolumab [NCT05111626]) hopefully will confirm the early results seen in the FIGHT trial. Awareness and early attention to treatment-associated toxicities will be critical for the potential future incorporation of bemarituzumab into clinical practice.

A study by Ramos‐Santillan and colleagues explored whether the order of treatment modalities matter in the management of early-stage gastric cancer. Typically, perioperative chemotherapy (both neoadjuvant and adjuvant) is used during treatment of early-stage gastric cancer, which is usually defined as at least cT2N0 or cTxN+ disease. In this study, multivariable Cox regression analyses were performed on propensity score-matched cohorts. The study analyzed outcomes of 11,984 patients who were identified using the US National Cancer Database and treated between 2005 and 2014. The results revealed that patients who had stage I disease had better outcomes with upfront resection followed by adjuvant therapy. Patients with stage III disease did better with a neoadjuvant approach, whereas patients with stage II disease had similar outcomes regardless of chemotherapy timing. This research has the limitations inherent to the retrospective nature of the analysis and lack of prospective enrollment and controls. However, it does suggest that there may be a fraction of patients who should be treated with upfront resection. For incorporation of this change into standard practice, the question of therapy sequencing should be answered in a randomized prospective trial that incorporates the most updated systemic therapy (fluorouracil, leucovorin, oxaliplatin, and docetaxel [FLOT]) into its design.

Chemotherapy continues to play a critical role during first-line treatment of advanced esophageal and gastric adenocarcinoma. Triple chemotherapy regimens have been known to have increased efficacy in this setting, but their use has been limited by associated toxicities. A study by Nguyen and colleagues evaluated the TCX regimen (paclitaxel, carboplatin, and capecitabine) during first-line treatment of advanced gastric cancer. This regimen is similar to other triple chemotherapy regimens, such as FLOT and DCF (docetaxel, cisplatin, and fluorouracil), which have proven activity in this disease. This prospective phase 2 trial enrolled 83 patients. The median PFS (9.3 months) and OS (17 months) compared favorably with historical references. The regimen had expected adverse events, with cytopenias and fatigue being the most frequently reported. On the basis of the reported safety and efficacy, TCX has potential to be used as a chemotherapy backbone in future trials, but larger trials are needed to confirm the phase 2 trial results.

 

References

Wainberg ZA, Enzinger PC, Kang YK, et al. Bemarituzumab in patients with FGFR2b-selected gastric or gastro-oesophageal junction adenocarcinoma (FIGHT): A randomised, double-blind, placebo-controlled, phase 2 study. Lancet Oncol. 2022 Oct 13. Doi: 10.1016/S1470-2045(22)00603-9

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Commentary: Chemoradiotherapy in CRC, November 2022

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Dr Abrams scans the journals so you don't have to!

Dr. Thomas Abrams, MD

Once again, I have been given the distinct honor of analyzing two of the most provocative studies in colorectal cancer this month for Clinical Edge. The first study I will examine was done by Khamzina and colleagues and attempts to define the optimal time to perform surgery after neoadjuvant chemoradiotherapy in locally advanced rectal cancer. In this retrospective analysis, 770 patients who received long-course chemoradiotherapy for rectal cancer followed by total mesorectal excision (TME) were analyzed by how long the interval was between completion of radiation and surgery. Patients were separated into two groups: 6-8 weeks (n = 502) vs >8 weeks (n = 268). Though the pathologic complete response rates and 5-year disease-free survival rates were not significantly different between the two groups, tumor regression grade was significantly better in the >8 weeks arm (P = .004). This result confirms many previous studies that demonstrate continued tumor shrinkage months after completion of chemoradiotherapy and may provide an explanation of why the OPRA trial demonstrated a higher TME-free rate in the chemoradiotherapy-then-chemotherapy arm than it did in the induction chemotherapy-then-chemoradiotherapy arm (53% vs 41%).

 

Schaefer and colleagues looked at the potential prognostic markers for efficacy of transarterial radioembolization (TARE) with 90Y resin microspheres in the treatment of liver-dominant metastatic colorectal cancer (mCRC). Their study evaluated 237 patients with liver-dominant mCRC from the prospective observational CIRSE Registry for SIR-Spheres Therapy (CIRT) study who were scheduled to receive TARE with 90Y resin microspheres. For these patients, the aspartate transaminase-to-platelet ratio index (APRI), international normalized ratio (INR), and albumin-bilirubin (ALBI) grade were measured prior to treatment to potentially detect values that might be associated with differential outcomes from TARE. An APRI > 0.40 independently predicted worse overall survival (OS) (hazard ratio [HR] 2.25; P < .0001), progression-free survival (PFS) (HR 1.42; P = .0416), and hepatic PFS (HR 1.50; P = .0207). The other independent predictors for worse OS and hepatic PFS were an INR value of < 1 (HR 1.66; P = .0091) and ALBI grade 3 (HR 5.29; P = .0075), respectively. It is very difficult to make much out of this study save to say that poorer liver function at baseline (at least with respect to APRI and ALBI) predicts worse outcomes after TARE, which is none too controversial an opinion. That said, APRI and ALBI may be able to provide an extra measure of granularity to determine who might be more of a marginal candidate for TARE than would categorization according to Child-Pugh score alone. Saving these patients from a potentially morbid procedure would be a significant benefit.

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Dr Abrams scans the journals so you don't have to!
Dr Abrams scans the journals so you don't have to!

Dr. Thomas Abrams, MD

Once again, I have been given the distinct honor of analyzing two of the most provocative studies in colorectal cancer this month for Clinical Edge. The first study I will examine was done by Khamzina and colleagues and attempts to define the optimal time to perform surgery after neoadjuvant chemoradiotherapy in locally advanced rectal cancer. In this retrospective analysis, 770 patients who received long-course chemoradiotherapy for rectal cancer followed by total mesorectal excision (TME) were analyzed by how long the interval was between completion of radiation and surgery. Patients were separated into two groups: 6-8 weeks (n = 502) vs >8 weeks (n = 268). Though the pathologic complete response rates and 5-year disease-free survival rates were not significantly different between the two groups, tumor regression grade was significantly better in the >8 weeks arm (P = .004). This result confirms many previous studies that demonstrate continued tumor shrinkage months after completion of chemoradiotherapy and may provide an explanation of why the OPRA trial demonstrated a higher TME-free rate in the chemoradiotherapy-then-chemotherapy arm than it did in the induction chemotherapy-then-chemoradiotherapy arm (53% vs 41%).

 

Schaefer and colleagues looked at the potential prognostic markers for efficacy of transarterial radioembolization (TARE) with 90Y resin microspheres in the treatment of liver-dominant metastatic colorectal cancer (mCRC). Their study evaluated 237 patients with liver-dominant mCRC from the prospective observational CIRSE Registry for SIR-Spheres Therapy (CIRT) study who were scheduled to receive TARE with 90Y resin microspheres. For these patients, the aspartate transaminase-to-platelet ratio index (APRI), international normalized ratio (INR), and albumin-bilirubin (ALBI) grade were measured prior to treatment to potentially detect values that might be associated with differential outcomes from TARE. An APRI > 0.40 independently predicted worse overall survival (OS) (hazard ratio [HR] 2.25; P < .0001), progression-free survival (PFS) (HR 1.42; P = .0416), and hepatic PFS (HR 1.50; P = .0207). The other independent predictors for worse OS and hepatic PFS were an INR value of < 1 (HR 1.66; P = .0091) and ALBI grade 3 (HR 5.29; P = .0075), respectively. It is very difficult to make much out of this study save to say that poorer liver function at baseline (at least with respect to APRI and ALBI) predicts worse outcomes after TARE, which is none too controversial an opinion. That said, APRI and ALBI may be able to provide an extra measure of granularity to determine who might be more of a marginal candidate for TARE than would categorization according to Child-Pugh score alone. Saving these patients from a potentially morbid procedure would be a significant benefit.

Dr. Thomas Abrams, MD

Once again, I have been given the distinct honor of analyzing two of the most provocative studies in colorectal cancer this month for Clinical Edge. The first study I will examine was done by Khamzina and colleagues and attempts to define the optimal time to perform surgery after neoadjuvant chemoradiotherapy in locally advanced rectal cancer. In this retrospective analysis, 770 patients who received long-course chemoradiotherapy for rectal cancer followed by total mesorectal excision (TME) were analyzed by how long the interval was between completion of radiation and surgery. Patients were separated into two groups: 6-8 weeks (n = 502) vs >8 weeks (n = 268). Though the pathologic complete response rates and 5-year disease-free survival rates were not significantly different between the two groups, tumor regression grade was significantly better in the >8 weeks arm (P = .004). This result confirms many previous studies that demonstrate continued tumor shrinkage months after completion of chemoradiotherapy and may provide an explanation of why the OPRA trial demonstrated a higher TME-free rate in the chemoradiotherapy-then-chemotherapy arm than it did in the induction chemotherapy-then-chemoradiotherapy arm (53% vs 41%).

 

Schaefer and colleagues looked at the potential prognostic markers for efficacy of transarterial radioembolization (TARE) with 90Y resin microspheres in the treatment of liver-dominant metastatic colorectal cancer (mCRC). Their study evaluated 237 patients with liver-dominant mCRC from the prospective observational CIRSE Registry for SIR-Spheres Therapy (CIRT) study who were scheduled to receive TARE with 90Y resin microspheres. For these patients, the aspartate transaminase-to-platelet ratio index (APRI), international normalized ratio (INR), and albumin-bilirubin (ALBI) grade were measured prior to treatment to potentially detect values that might be associated with differential outcomes from TARE. An APRI > 0.40 independently predicted worse overall survival (OS) (hazard ratio [HR] 2.25; P < .0001), progression-free survival (PFS) (HR 1.42; P = .0416), and hepatic PFS (HR 1.50; P = .0207). The other independent predictors for worse OS and hepatic PFS were an INR value of < 1 (HR 1.66; P = .0091) and ALBI grade 3 (HR 5.29; P = .0075), respectively. It is very difficult to make much out of this study save to say that poorer liver function at baseline (at least with respect to APRI and ALBI) predicts worse outcomes after TARE, which is none too controversial an opinion. That said, APRI and ALBI may be able to provide an extra measure of granularity to determine who might be more of a marginal candidate for TARE than would categorization according to Child-Pugh score alone. Saving these patients from a potentially morbid procedure would be a significant benefit.

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Clinical Edge Journal Scan: Colorectal Cancer, November 2022
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