Analysis of the association between adverse events and outcome in patients receiving a programmed death protein 1 or programmed death ligand 1 antibody

V. Ellen Maher, Laura L. Fernandes, Chana Weinstock, Shenghui Tang, Sundeep Agarwal, Michael Brave, Yang Min Ning, Harpreet Singh, Daniel Suzman, James Xu, Kirsten B. Goldberg, Rajeshwari Sridhara, Amna Ibrahim, Marc Theoret, Julia A. Beaver, Richard Pazdur

Research output: Contribution to journalArticlepeer-review

Abstract

PURPOSE: To assess the relationship among tumor response rate, overall survival, and the development of related adverse events of special interest (AESIs) or related immune-mediated adverse events (imAEs) in patients with urothelial cancer treated with anti-programmed death protein 1 or ligand 1 (anti-PD-1/L1) antibodies. PATIENTS AND METHODS: We examined seven trials in 1,747 patients with metastatic or locally advanced urothelial cancer that led to approval of an anti-PD-1/L1 antibody. Five trials enrolled patients who had received prior platinum-based therapy, and two enrolled patients who were cisplatin ineligible. The data sets were searched for AESIs, related AESIs, imAEs, and related imAEs. The relationship to study drug was determined by the investigator. ImAEs were defined as AESIs treated with topical or systemic corticosteroids. RESULTS: In these exploratory analyses, a related AESI was reported in 64% of responding patients and in 34% of patients who did not respond to the anti-PD-1/L1 antibody, whereas a related imAE occurred in 28% and 12% of patients who did and did not respond to study drug, respectively. In a responder analysis, an increase in overall survival was seen in patients with related AESIs compared with those with no related AESIs (hazard ratio, 0.45; 95% CI, 0.39 to 0.52). Fifty-seven percent of responding patients with a related AESI reported the AESI before documentation of response. CONCLUSION: Patients who responded to treatment with an anti-PD-1/L1 antibody were more likely to report a related AESI or related imAE. This relationship did not seem to be due to the increased duration of exposure in responding patients. Systemic corticosteroid use did not appear to affect the duration of response.

Original languageEnglish (US)
Pages (from-to)2730-2737
Number of pages8
JournalJournal of Clinical Oncology
Volume37
Issue number30
DOIs
StatePublished - Jan 1 2019
Externally publishedYes

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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