Study of Pembrolizumab (MK-3475) Versus Investigator's Choice Standard Therapy for Participants With Advanced Esophageal/Esophagogastric Junction Carcinoma That Progressed After First-Line Therapy (MK-3475-181/KEYNOTE-181)

Official Title

A Phase III Randomized Open-Label Study of Single Agent Pembrolizumab vs Physicians' Choice of Single Agent Docetaxel, Paclitaxel, or Irinotecan in Subjects With Advanced/Metastatic Adenocarcinoma and Squamous Cell Carcinoma of the Esophagus That Have Progressed After First-Line Standard Therapy (KEYNOTE-181)


In this study, participants with advanced or metastatic adenocarcinoma or squamous cell carcinoma of the esophagus or Siewert type I adenocarcinoma of the esophagogastric junction (EGJ) that has progressed after first-line standard therapy will be randomized to receive either single agent pembrolizumab or the Investigator's choice of standard therapy with paclitaxel, docetaxel, or irinotecan. The primary study hypothesis is that treatment with pembrolizumab will prolong progression-free survival (PFS) and/or overall survival (OS) as compared to treatment with standard therapy.

Trial Description

Primary Outcome:

  • Progression-free Survival (PFS)
  • Overall Survival (OS)
Secondary Outcome:
  • Objective Response Rate (ORR)

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Canadian Cancer Society

These resources are provided in partnership with the Canadian Cancer Society