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VA Ann Arbor Immunotherapy Stewardship Program
Purpose
To compare vial utilization and spending between fixed and weight-based dosing of pembrolizumab in Veterans. Promote and assess pembrolizumab extended interval dosing.
Background
FDA approved pembrolizumab label change from weight-based to fixed dosing without evidence of fixed-dosing’s superiority. Retrospective studies demonstrate equivalent outcomes for 2 mg/kg every 3 weeks (Q3W), 200 mg Q3W, 4 mg/kg every 6 weeks (Q6W), and 400 mg Q6W.
Methods
In July 2024 VAAAHS (VA Ann Arbor Healthcare System) initiated an immunotherapy stewardship quality improvement program to deprescribe unnecessary pembrolizumab units and promote extended-interval dosing. Specific interventions included order template modification and targeted outreach to key stakeholders.
Data Analysis
All pembrolizumab doses administered at VAAAHS between July 1, 2024 (launch) and March 31, 2025 (data cutoff) were extracted from EHR. Drug utilization, spending, and healthcare contact hours averted were compared to a fixed-dosing counterfactual.
Results
Sixty-three Veterans received 286 total pembrolizumab doses, of which 107 (37.4%) were Q6W and 179 (62.6%) were Q3W. In total, 741 vials were utilized, against expectation of 786 (5.7% reduction), reflecting approximately $182,000 in savings (annualized, $243,000) and 86.5% of the theoretical maximum savings were captured. Q6W’s share of all doses rose from 27.3% in July 2024 to 53.8% in March 2025. Amongst monotherapy, Q6W’s share rose from 60.0% in July 2024 to 86.7% in March 2025. Q6W adoption saved 381 Veteran-healthcare contact hours, not including travel time.
Conclusions
Stewardship efforts reduced unnecessary pembrolizumab utilization and spending while saving Veterans and VAAAHS providers’ time. Continued provider reinforcement, preparation for Oracle/ Cerner implementation, VISN expansion, refinement of pembrolizumab dose-banding, and development of dose bands for other immunotherapies are underway.
Significance
National implementation would improve Veteran convenience and quality of life, enable reductions in drug and resource costs, and enhance clinic throughput.
Purpose
To compare vial utilization and spending between fixed and weight-based dosing of pembrolizumab in Veterans. Promote and assess pembrolizumab extended interval dosing.
Background
FDA approved pembrolizumab label change from weight-based to fixed dosing without evidence of fixed-dosing’s superiority. Retrospective studies demonstrate equivalent outcomes for 2 mg/kg every 3 weeks (Q3W), 200 mg Q3W, 4 mg/kg every 6 weeks (Q6W), and 400 mg Q6W.
Methods
In July 2024 VAAAHS (VA Ann Arbor Healthcare System) initiated an immunotherapy stewardship quality improvement program to deprescribe unnecessary pembrolizumab units and promote extended-interval dosing. Specific interventions included order template modification and targeted outreach to key stakeholders.
Data Analysis
All pembrolizumab doses administered at VAAAHS between July 1, 2024 (launch) and March 31, 2025 (data cutoff) were extracted from EHR. Drug utilization, spending, and healthcare contact hours averted were compared to a fixed-dosing counterfactual.
Results
Sixty-three Veterans received 286 total pembrolizumab doses, of which 107 (37.4%) were Q6W and 179 (62.6%) were Q3W. In total, 741 vials were utilized, against expectation of 786 (5.7% reduction), reflecting approximately $182,000 in savings (annualized, $243,000) and 86.5% of the theoretical maximum savings were captured. Q6W’s share of all doses rose from 27.3% in July 2024 to 53.8% in March 2025. Amongst monotherapy, Q6W’s share rose from 60.0% in July 2024 to 86.7% in March 2025. Q6W adoption saved 381 Veteran-healthcare contact hours, not including travel time.
Conclusions
Stewardship efforts reduced unnecessary pembrolizumab utilization and spending while saving Veterans and VAAAHS providers’ time. Continued provider reinforcement, preparation for Oracle/ Cerner implementation, VISN expansion, refinement of pembrolizumab dose-banding, and development of dose bands for other immunotherapies are underway.
Significance
National implementation would improve Veteran convenience and quality of life, enable reductions in drug and resource costs, and enhance clinic throughput.
Purpose
To compare vial utilization and spending between fixed and weight-based dosing of pembrolizumab in Veterans. Promote and assess pembrolizumab extended interval dosing.
Background
FDA approved pembrolizumab label change from weight-based to fixed dosing without evidence of fixed-dosing’s superiority. Retrospective studies demonstrate equivalent outcomes for 2 mg/kg every 3 weeks (Q3W), 200 mg Q3W, 4 mg/kg every 6 weeks (Q6W), and 400 mg Q6W.
Methods
In July 2024 VAAAHS (VA Ann Arbor Healthcare System) initiated an immunotherapy stewardship quality improvement program to deprescribe unnecessary pembrolizumab units and promote extended-interval dosing. Specific interventions included order template modification and targeted outreach to key stakeholders.
Data Analysis
All pembrolizumab doses administered at VAAAHS between July 1, 2024 (launch) and March 31, 2025 (data cutoff) were extracted from EHR. Drug utilization, spending, and healthcare contact hours averted were compared to a fixed-dosing counterfactual.
Results
Sixty-three Veterans received 286 total pembrolizumab doses, of which 107 (37.4%) were Q6W and 179 (62.6%) were Q3W. In total, 741 vials were utilized, against expectation of 786 (5.7% reduction), reflecting approximately $182,000 in savings (annualized, $243,000) and 86.5% of the theoretical maximum savings were captured. Q6W’s share of all doses rose from 27.3% in July 2024 to 53.8% in March 2025. Amongst monotherapy, Q6W’s share rose from 60.0% in July 2024 to 86.7% in March 2025. Q6W adoption saved 381 Veteran-healthcare contact hours, not including travel time.
Conclusions
Stewardship efforts reduced unnecessary pembrolizumab utilization and spending while saving Veterans and VAAAHS providers’ time. Continued provider reinforcement, preparation for Oracle/ Cerner implementation, VISN expansion, refinement of pembrolizumab dose-banding, and development of dose bands for other immunotherapies are underway.
Significance
National implementation would improve Veteran convenience and quality of life, enable reductions in drug and resource costs, and enhance clinic throughput.
The OCTAGON Project: A Novel VA-Based Telehealth Intervention for Oral Chemotherapy Monitoring
Background
Many Veterans with cancer experience substantial side effects related to their chemotherapy treatments resulting in impaired quality of life. Prompt management of such symptoms can improve adherence to therapy and potentially clinical outcomes. Previous studies in cancer patients have shown that mobile apps can improve symptom management and quality of life, though there are limited studies using oncology-focused apps in the VA population. The VA Annie App is an optimal platform for Veterans since it relies primarily on SMS-based texting and not on internet capabilities. This would address several well-known barriers to Veterans’ care access (limited internet connectivity, transportation) and enhance symptom reporting between infrequent provider visits. Providers can securely collect app responses within the VA system and there is already considerable VA developer experience with designing complex protocols. The OCTAGON project (Optimizing Cancer Care with Telehealth Assessment for Goal-Oriented Needs) will have the following goals: 1) To develop Annie App protocols to assist in management of cancer and/or chemotherapy-related symptoms (OCTAGON intervention), 2) To examine initial acceptability, feasibility, and Veteran-reported outcomes, 3) To explore short term effects on the utilization of VA encounters.
Methods
All patients who are primarily being managed at the VA Ann Arbor for their cancer therapy and are receiving one of the following therapies are considered eligible: EGFR inhibitors (lung cancer), antiandrogen therapies (prostate cancer), BTK inhibitors (lymphoma).
Discussion
Drug-specific protocols will be developed in conjunction with clinical pharmacists with experience in outpatient oral chemotherapy toxicity monitoring. Questions will have either a Yes/No, or numerical response. Interventions will be administered weekly for the first 3 months after enrollment, then decrease to monthly for a total of 6 months on protocol. Patients will be directed to contact their providers with any significant changes in tolerability. Planned data collected will include intervention question responses, adverse events, demographics, diagnosis, disease response, hospitalizations, treatment dose reductions or interruptions, provider and staff utilization. Survey responses to assess treatment acceptability (Treatment Acceptability/Adherence Scale), usability (System Usability Scale), general health (PROMIS-GH), and patient satisfaction will also be collected. Funding: VA Telehealth Research and Innovation for Veterans with Cancer (THRIVE).
Background
Many Veterans with cancer experience substantial side effects related to their chemotherapy treatments resulting in impaired quality of life. Prompt management of such symptoms can improve adherence to therapy and potentially clinical outcomes. Previous studies in cancer patients have shown that mobile apps can improve symptom management and quality of life, though there are limited studies using oncology-focused apps in the VA population. The VA Annie App is an optimal platform for Veterans since it relies primarily on SMS-based texting and not on internet capabilities. This would address several well-known barriers to Veterans’ care access (limited internet connectivity, transportation) and enhance symptom reporting between infrequent provider visits. Providers can securely collect app responses within the VA system and there is already considerable VA developer experience with designing complex protocols. The OCTAGON project (Optimizing Cancer Care with Telehealth Assessment for Goal-Oriented Needs) will have the following goals: 1) To develop Annie App protocols to assist in management of cancer and/or chemotherapy-related symptoms (OCTAGON intervention), 2) To examine initial acceptability, feasibility, and Veteran-reported outcomes, 3) To explore short term effects on the utilization of VA encounters.
Methods
All patients who are primarily being managed at the VA Ann Arbor for their cancer therapy and are receiving one of the following therapies are considered eligible: EGFR inhibitors (lung cancer), antiandrogen therapies (prostate cancer), BTK inhibitors (lymphoma).
Discussion
Drug-specific protocols will be developed in conjunction with clinical pharmacists with experience in outpatient oral chemotherapy toxicity monitoring. Questions will have either a Yes/No, or numerical response. Interventions will be administered weekly for the first 3 months after enrollment, then decrease to monthly for a total of 6 months on protocol. Patients will be directed to contact their providers with any significant changes in tolerability. Planned data collected will include intervention question responses, adverse events, demographics, diagnosis, disease response, hospitalizations, treatment dose reductions or interruptions, provider and staff utilization. Survey responses to assess treatment acceptability (Treatment Acceptability/Adherence Scale), usability (System Usability Scale), general health (PROMIS-GH), and patient satisfaction will also be collected. Funding: VA Telehealth Research and Innovation for Veterans with Cancer (THRIVE).
Background
Many Veterans with cancer experience substantial side effects related to their chemotherapy treatments resulting in impaired quality of life. Prompt management of such symptoms can improve adherence to therapy and potentially clinical outcomes. Previous studies in cancer patients have shown that mobile apps can improve symptom management and quality of life, though there are limited studies using oncology-focused apps in the VA population. The VA Annie App is an optimal platform for Veterans since it relies primarily on SMS-based texting and not on internet capabilities. This would address several well-known barriers to Veterans’ care access (limited internet connectivity, transportation) and enhance symptom reporting between infrequent provider visits. Providers can securely collect app responses within the VA system and there is already considerable VA developer experience with designing complex protocols. The OCTAGON project (Optimizing Cancer Care with Telehealth Assessment for Goal-Oriented Needs) will have the following goals: 1) To develop Annie App protocols to assist in management of cancer and/or chemotherapy-related symptoms (OCTAGON intervention), 2) To examine initial acceptability, feasibility, and Veteran-reported outcomes, 3) To explore short term effects on the utilization of VA encounters.
Methods
All patients who are primarily being managed at the VA Ann Arbor for their cancer therapy and are receiving one of the following therapies are considered eligible: EGFR inhibitors (lung cancer), antiandrogen therapies (prostate cancer), BTK inhibitors (lymphoma).
Discussion
Drug-specific protocols will be developed in conjunction with clinical pharmacists with experience in outpatient oral chemotherapy toxicity monitoring. Questions will have either a Yes/No, or numerical response. Interventions will be administered weekly for the first 3 months after enrollment, then decrease to monthly for a total of 6 months on protocol. Patients will be directed to contact their providers with any significant changes in tolerability. Planned data collected will include intervention question responses, adverse events, demographics, diagnosis, disease response, hospitalizations, treatment dose reductions or interruptions, provider and staff utilization. Survey responses to assess treatment acceptability (Treatment Acceptability/Adherence Scale), usability (System Usability Scale), general health (PROMIS-GH), and patient satisfaction will also be collected. Funding: VA Telehealth Research and Innovation for Veterans with Cancer (THRIVE).