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Pembrolizumab for the treatment of advanced melanoma.

ABSTRACT: INTRODUCTION:Since 2010 multiple targeted therapies and immunotherapies have been approved for the treatment of advanced melanoma. Pembrolizumab, a humanized monoclonal antibody directed against programed death receptor 1 has shown significant activity in advanced melanoma resulting in its approval first as post-ipilimumab and subsequently as frontline treatment. AREAS COVERED:This article reviews the approved agents for the treatment of advanced melanoma with a focus on the preclinical and clinical evidence for the use of pembrolizumab in this setting. Primary emphasis is given to the clinical development of pembrolizumab, including phase I-III trials. Finally, we explore the role of pembrolizumab in combination with other therapies and ongoing investigations into its effectiveness in expanded patient populations. EXPERT OPINION:Pembrolizumab provides durable responses and represents a major advancement in the treatment options for patients with advanced melanoma. Early studies of pembrolizumab in combination with other therapeutic agents have generated significant interest and further investigations including advanced clinical trials are warranted to evaluate safety and potential improved outcomes. Pembrolizumab and other immune checkpoint inhibitors are likely to play an expanded role in the treatment of advanced melanoma and other solid tumors over the next decade.

SUBMITTER: Burns MC

PROVIDER: S-EPMC5010088 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Pembrolizumab for the treatment of advanced melanoma.

Burns Michael C MC O'Donnell Aidan A Puzanov Igor I

Expert opinion on orphan drugs 20160607 8

<h4>Introduction</h4>Since 2010 multiple targeted therapies and immunotherapies have been approved for the treatment of advanced melanoma. Pembrolizumab, a humanized monoclonal antibody directed against programed death receptor 1 has shown significant activity in advanced melanoma resulting in its approval first as post-ipilimumab and subsequently as frontline treatment.<h4>Areas covered</h4>This article reviews the approved agents for the treatment of advanced melanoma with a focus on the precl ...[more]

PMID: 27597930

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Project description:ImportanceTreatment-free survival (TFS) represents an alternative time-to-event end point, accurately characterizing time spent free of systemic therapy, providing a more patient-centric view of immune checkpoint inhibitor (ICI) therapy regimens. There remains a lack of studies evaluating TFS outcomes among patients with advanced melanoma who are receiving immunotherapy, especially outside of the clinical trial setting.ObjectiveTo evaluate TFS outcomes for patients with advanced melanoma receiving first-line ICI therapy outside of a clinical trial setting.Design, setting, and participantsThis multicenter cohort study of patients with advanced melanoma receiving first-line ICI therapy between August 1, 2013, and May 31, 2020, was conducted in Alberta, Canada. Data analysis was performed in August 2022.ExposuresPatients received standard-of-care, first-line ICI therapy treatment regimens including single-agent nivolumab, single-agent pembrolizumab, or ipilimumab-nivolumab.Main outcomes and measuresTreatment-free survival was defined as the difference in the 36-month restricted mean survival time between 2 conventional survival end points: (1) time from treatment initiation to ICI cessation, death, or censoring at last follow-up and (2) time from treatment initiation to subsequent systemic anticancer therapy, death, or censoring at last follow-up.ResultsA total of 316 patients with advanced melanoma receiving first-line nivolumab (n = 51; median age, 66 years [IQR, 56-78 years]; 31 men [60.8%]), pembrolizumab (n = 158; median age, 69 years [IQR, 60-78 years]; 112 men [70.9%]), or combination nivolumab-ipilimumab (n = 107; median age, 53 years [IQR, 42-60 years]; 72 men [67.3%]) were included. Treatment groups were similar with regard to sex, primary tumor location, and presence of metastasis, although patients receiving combination nivolumab-ipilimumab had a lower Eastern Cooperative Oncology Group status, were younger, and were more likely to be BRAF V600E positive than those receiving anti-programmed cell death protein 1 (anti-PD-1) monotherapy. The restricted mean TFS was longer for nivolumab-ipilimumab (12.4 months [95% CI, 8.8-16.0 months]) compared with nivolumab (8.9 months [95% CI, 4.4-13.5 months]) and pembrolizumab (11.1 months [95% CI, 8.5-13.8 months]). During the 36-month follow-up interval, patients treated with nivolumab-ipilimumab spent 34.4% of their time (12.4 of 36 months) not receiving systemic anticancer treatments compared with 30.8% (11.1 of 36 months) and 24.7% (8.9 of 36 months) of the time for the pembrolizumab and nivolumab treatment groups, respectively.Conclusions and relevanceThis cohort study of patients with advanced melanoma receiving first-line ICI therapy suggests that TFS represents a patient-centric, informative end point. Patients treated with combination nivolumab-ipilimumab spent more time alive and free from systemic anticancer therapy than those treated with anti-PD-1 monotherapy alone.

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Pembrolizumab for the treatment of advanced melanoma.

Publications

Pembrolizumab for the treatment of advanced melanoma.

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