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– Federal advisors to the Food and Drug Administration on March 8 voted unanimously to recommend approval of an additional indication for tofacitinib (Xeljanz), this time for ulcerative colitis.

Members of the Gastrointestinal Drugs Advisory Committee unanimously voted to recommend two different dosing regimens: 10 mg twice daily for 16 weeks in patients who have not experienced a therapeutic benefit after 8 weeks of treatment, as well as 10 mg twice daily for patients who have an inadequate or loss of response to TNF-blocker therapy, based on the results of several phase 3 clinical trials.

The committee rejected by a 7-8 vote a recommendation that Pfizer, the drug’s manufacturer, conduct a postmarketing efficacy trial comparing a 10-mg continuous dosing regimen with a 10-mg induction and 5 mg twice daily as maintenance.

The recommended ulcerative colitis (UC) indication was based on the OCTAVE trials (N Engl J Med 2017;376:1723-36), including a phase 2 study, two identical phase 3 induction trials (OCTAVE Induction 1 and OCTAVE Induction 2), a 53-week, phase 3 maintenance trial (OCTAVE Sustain), and an open-label extension study.

 

 


The induction trials enrolled a total of 1,139 patients with moderate to severe UC. Patients in both studies were administered tofacitinib 10 mg twice daily or placebo and were assessed after 8 weeks to judge clinical response. Patients in both studies displayed notable remission rates (18.5% and 16.6%), compared with placebo, according to Eric Maller, MD, executive director of the UC development program at Pfizer.*

Patients who did not achieve remission, but showed some clinical response (decrease in Mayo score of at least 3 points), were then enrolled in the 53-week OCTAVE Sustain, where they were randomized to receive tofacitinib 10 mg twice daily, 5 mg twice daily, or placebo.



During maintenance treatment, both 5 mg and 10 mg doses demonstrated substantial treatment benefits, with 32.4% and 41.0% of patients achieving remission, an increase of 22.0% and 30.7%, compared with placebo, respectively.

As part of the maintenance study, Pfizer analyzed patients with or without prior TNF-blocker failure. This analysis revealed that patients who had previously failed TNF-blocker therapy experienced a greater treatment benefit than those who had not. While the benefit was noticeable in both dosage groups, patients taking the 10-mg dose experienced the greatest benefit, with 70% increase in remission rates, 39% increase in mucosal healing, and 75% increase in steroid-free remission among baseline remitters, compared with patients in the 5-mg group, Dr. Maller said.

 

 


Researchers also looked at a subgroup of 295 patients as part of an open-label extension study who had no clinical response to tofacitinib 10 mg twice daily after 8 weeks and subsequently treated them for an additional 8 weeks. After the additional 8 weeks of treatment, over half (51.2%) displayed clinical responses and 8.6% were in remission.

“This is a desperate patient population. These are impressive results,” stated Darrell Pardi, MD, vice chair of the advisory committee and professor of medicine at the Mayo Clinic, Rochester, Minn.

Serious adverse events were seen in 4% of tofacitinib-treated patients in the induction trials, compared with 6% of placebo-treated, according to Lesley Hanes, MD, medical officer with the FDA Center for Drug Evaluation and Research.

Adverse events appeared to be dose dependent, with risk of deaths and malignancies (excluding nonmelanoma skin cancer), opportunistic infections, herpes zoster infection (HZ), “possible” drug-induced liver injury, and cardiovascular and thromboembolic events more common with the 10-mg dose, Dr. Hanes said.*

 

 


“I think the safety concerns, though, they are dose dependent, the difference between the 5 [mg] and 10 [mg] were not large,” according to Dr. Pardi. “Several of these are mitigatable by dermatologic exam or, hopefully, a vaccine.”

Several of the advisory committee members submitted conflict of interest waivers. Chair and vice chair Jean-Pierre Raufman, MD, and Darrell Pardi, MD, disclosed funding from competing pharmaceutical manufacturers.

*This article was updated on March 12, 2018.

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– Federal advisors to the Food and Drug Administration on March 8 voted unanimously to recommend approval of an additional indication for tofacitinib (Xeljanz), this time for ulcerative colitis.

Members of the Gastrointestinal Drugs Advisory Committee unanimously voted to recommend two different dosing regimens: 10 mg twice daily for 16 weeks in patients who have not experienced a therapeutic benefit after 8 weeks of treatment, as well as 10 mg twice daily for patients who have an inadequate or loss of response to TNF-blocker therapy, based on the results of several phase 3 clinical trials.

The committee rejected by a 7-8 vote a recommendation that Pfizer, the drug’s manufacturer, conduct a postmarketing efficacy trial comparing a 10-mg continuous dosing regimen with a 10-mg induction and 5 mg twice daily as maintenance.

The recommended ulcerative colitis (UC) indication was based on the OCTAVE trials (N Engl J Med 2017;376:1723-36), including a phase 2 study, two identical phase 3 induction trials (OCTAVE Induction 1 and OCTAVE Induction 2), a 53-week, phase 3 maintenance trial (OCTAVE Sustain), and an open-label extension study.

 

 


The induction trials enrolled a total of 1,139 patients with moderate to severe UC. Patients in both studies were administered tofacitinib 10 mg twice daily or placebo and were assessed after 8 weeks to judge clinical response. Patients in both studies displayed notable remission rates (18.5% and 16.6%), compared with placebo, according to Eric Maller, MD, executive director of the UC development program at Pfizer.*

Patients who did not achieve remission, but showed some clinical response (decrease in Mayo score of at least 3 points), were then enrolled in the 53-week OCTAVE Sustain, where they were randomized to receive tofacitinib 10 mg twice daily, 5 mg twice daily, or placebo.



During maintenance treatment, both 5 mg and 10 mg doses demonstrated substantial treatment benefits, with 32.4% and 41.0% of patients achieving remission, an increase of 22.0% and 30.7%, compared with placebo, respectively.

As part of the maintenance study, Pfizer analyzed patients with or without prior TNF-blocker failure. This analysis revealed that patients who had previously failed TNF-blocker therapy experienced a greater treatment benefit than those who had not. While the benefit was noticeable in both dosage groups, patients taking the 10-mg dose experienced the greatest benefit, with 70% increase in remission rates, 39% increase in mucosal healing, and 75% increase in steroid-free remission among baseline remitters, compared with patients in the 5-mg group, Dr. Maller said.

 

 


Researchers also looked at a subgroup of 295 patients as part of an open-label extension study who had no clinical response to tofacitinib 10 mg twice daily after 8 weeks and subsequently treated them for an additional 8 weeks. After the additional 8 weeks of treatment, over half (51.2%) displayed clinical responses and 8.6% were in remission.

“This is a desperate patient population. These are impressive results,” stated Darrell Pardi, MD, vice chair of the advisory committee and professor of medicine at the Mayo Clinic, Rochester, Minn.

Serious adverse events were seen in 4% of tofacitinib-treated patients in the induction trials, compared with 6% of placebo-treated, according to Lesley Hanes, MD, medical officer with the FDA Center for Drug Evaluation and Research.

Adverse events appeared to be dose dependent, with risk of deaths and malignancies (excluding nonmelanoma skin cancer), opportunistic infections, herpes zoster infection (HZ), “possible” drug-induced liver injury, and cardiovascular and thromboembolic events more common with the 10-mg dose, Dr. Hanes said.*

 

 


“I think the safety concerns, though, they are dose dependent, the difference between the 5 [mg] and 10 [mg] were not large,” according to Dr. Pardi. “Several of these are mitigatable by dermatologic exam or, hopefully, a vaccine.”

Several of the advisory committee members submitted conflict of interest waivers. Chair and vice chair Jean-Pierre Raufman, MD, and Darrell Pardi, MD, disclosed funding from competing pharmaceutical manufacturers.

*This article was updated on March 12, 2018.

 

– Federal advisors to the Food and Drug Administration on March 8 voted unanimously to recommend approval of an additional indication for tofacitinib (Xeljanz), this time for ulcerative colitis.

Members of the Gastrointestinal Drugs Advisory Committee unanimously voted to recommend two different dosing regimens: 10 mg twice daily for 16 weeks in patients who have not experienced a therapeutic benefit after 8 weeks of treatment, as well as 10 mg twice daily for patients who have an inadequate or loss of response to TNF-blocker therapy, based on the results of several phase 3 clinical trials.

The committee rejected by a 7-8 vote a recommendation that Pfizer, the drug’s manufacturer, conduct a postmarketing efficacy trial comparing a 10-mg continuous dosing regimen with a 10-mg induction and 5 mg twice daily as maintenance.

The recommended ulcerative colitis (UC) indication was based on the OCTAVE trials (N Engl J Med 2017;376:1723-36), including a phase 2 study, two identical phase 3 induction trials (OCTAVE Induction 1 and OCTAVE Induction 2), a 53-week, phase 3 maintenance trial (OCTAVE Sustain), and an open-label extension study.

 

 


The induction trials enrolled a total of 1,139 patients with moderate to severe UC. Patients in both studies were administered tofacitinib 10 mg twice daily or placebo and were assessed after 8 weeks to judge clinical response. Patients in both studies displayed notable remission rates (18.5% and 16.6%), compared with placebo, according to Eric Maller, MD, executive director of the UC development program at Pfizer.*

Patients who did not achieve remission, but showed some clinical response (decrease in Mayo score of at least 3 points), were then enrolled in the 53-week OCTAVE Sustain, where they were randomized to receive tofacitinib 10 mg twice daily, 5 mg twice daily, or placebo.



During maintenance treatment, both 5 mg and 10 mg doses demonstrated substantial treatment benefits, with 32.4% and 41.0% of patients achieving remission, an increase of 22.0% and 30.7%, compared with placebo, respectively.

As part of the maintenance study, Pfizer analyzed patients with or without prior TNF-blocker failure. This analysis revealed that patients who had previously failed TNF-blocker therapy experienced a greater treatment benefit than those who had not. While the benefit was noticeable in both dosage groups, patients taking the 10-mg dose experienced the greatest benefit, with 70% increase in remission rates, 39% increase in mucosal healing, and 75% increase in steroid-free remission among baseline remitters, compared with patients in the 5-mg group, Dr. Maller said.

 

 


Researchers also looked at a subgroup of 295 patients as part of an open-label extension study who had no clinical response to tofacitinib 10 mg twice daily after 8 weeks and subsequently treated them for an additional 8 weeks. After the additional 8 weeks of treatment, over half (51.2%) displayed clinical responses and 8.6% were in remission.

“This is a desperate patient population. These are impressive results,” stated Darrell Pardi, MD, vice chair of the advisory committee and professor of medicine at the Mayo Clinic, Rochester, Minn.

Serious adverse events were seen in 4% of tofacitinib-treated patients in the induction trials, compared with 6% of placebo-treated, according to Lesley Hanes, MD, medical officer with the FDA Center for Drug Evaluation and Research.

Adverse events appeared to be dose dependent, with risk of deaths and malignancies (excluding nonmelanoma skin cancer), opportunistic infections, herpes zoster infection (HZ), “possible” drug-induced liver injury, and cardiovascular and thromboembolic events more common with the 10-mg dose, Dr. Hanes said.*

 

 


“I think the safety concerns, though, they are dose dependent, the difference between the 5 [mg] and 10 [mg] were not large,” according to Dr. Pardi. “Several of these are mitigatable by dermatologic exam or, hopefully, a vaccine.”

Several of the advisory committee members submitted conflict of interest waivers. Chair and vice chair Jean-Pierre Raufman, MD, and Darrell Pardi, MD, disclosed funding from competing pharmaceutical manufacturers.

*This article was updated on March 12, 2018.

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REPORTING FROM AN FDA ADVISORY COMMITTEE MEETING

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