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Study of Pembrolizumab (MK-3475) vs Standard Therapy in Participants With Microsatellite Instability-High (MSI-H) or Mismatch Repair Deficient (dMMR) Stage IV Colorectal Carcinoma (MK-3475-177/KEYNOTE-177)

NCT02563002 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 307

Last updated 2024-10-03

Study results available
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Summary

In this study, participants with stage IV Microsatellite Instability-High (MSI-H) or Mismatch Repair Deficient (dMMR) colorectal carcinoma (CRC) will be randomly assigned to receive either pembrolizumab or the Investigator's choice of 1 of 6 standard of care (SOC) chemotherapy regimens for the treatment of advanced colorectal carcinoma. The primary study hypothesis is that pembrolizumab will prolong progression-free survival (PFS) or overall survival (OS) compared to current SOC chemotherapy.

Conditions

  • Colorectal Carcinoma

Interventions

DRUG

mFOLFOX6

Regimen consists of oxaliplatin 85 mg/m\^2 IV on Day 1, leucovorin 400 mg/m\^2 or levoleucovorin 200 mg/m\^2 IV on Day 1, 5-fluorouracil (5-FU) 400 mg/m\^2 IV bolus on Day 1 and then 1200 mg/m\^2/day IV over 2 days for total dose of 2400 mg/m\^2 in each 2-week cycle

DRUG

FOLFIRI

Regimen consists of irinotecan 180 mg/m\^2 IV on Day 1, leucovorin 400 mg/m\^2 or levoleucovorin 200 mg/m\^2 IV on Day 1, 5-FU 400 mg/m\^2 IV bolus on Day 1 and then 1200 mg/m\^2/day IV over 2 days for total dose of 2400 mg/m\^2 in each 2-week cycle

BIOLOGICAL

Pembrolizumab

IV infusion

BIOLOGICAL

Bevacizumab

IV infusion

BIOLOGICAL

Cetuximab

IV infusion

Sponsors & Collaborators

Principal Investigators

  • Medical Director · Merck Sharp & Dohme LLC

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2015-11-30
Primary Completion
2021-02-19
Completion
2023-07-17
FDA Drug
Yes

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02563002 on ClinicalTrials.gov