Status:

ACTIVE_NOT_RECRUITING

A Study of Encorafenib Plus Cetuximab Taken Together With Pembrolizumab Compared to Pembrolizumab Alone in People With Previously Untreated Metastatic Colorectal Cancer

Lead Sponsor:

Pfizer

Collaborating Sponsors:

Merck Sharp & Dohme LLC

Merck KGaA, Darmstadt, Germany

Conditions:

Metastatic Colorectal Cancer

Eligibility:

All Genders

16+ years

Phase:

PHASE2

Brief Summary

The purpose of this study is to learn about the effects of three study medicines (encorafenib, cetuximab, and pembrolizumab) given together for the treatment of colorectal cancer that: * is metastati...

Eligibility Criteria

Inclusion

  • Locally confirmed microsatellite instability-high/ deficient mismatch repair (MSI-H/dMMR) stage IV colorectal carcinoma
  • Locally confirmed BRAF V600E mutation in tumor tissue or blood
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
  • Have not received prior systemic regimens for metastatic disease.
  • Measurable disease per RECIST 1.1
  • Adequate organ function

Exclusion

  • Colorectal adenocarcinoma that is RAS mutant or for which RAS mutation status is unknown
  • Known active central nervous system metastases and/or carcinomatous meningitis; leptomeningeal disease
  • Immunodeficiency or active autoimmune disease requiring systemic treatment in the past 2 years
  • Presence of acute or chronic pancreatitis
  • Clinically significant cardiovascular diseases (eg, thromboembolic or cerebrovascular accident events ≤ 12 wks prior)
  • Received a live or live-attenuated vaccine within 30 days of planned start of study medication
  • Previous treatment with any selective BRAF inhibitor (eg, encorafenib, dabrafenib, vemurafenib, XL281/BMS-908662) or any epidermal growth factor receptor (EGFR) inhibitor (eg, cetuximab, panitumumab).
  • Previous treatment with an immune checkpoint inhibitor (eg, anti-programmed cell death \[PD-1\], anti-PD-L1 or anti-PD-L2 agent); or with an agent directed to another stimulatory or co-inhibitory T-cell receptor (eg, CTLA-4, OX 40, CD137).

Key Trial Info

Start Date :

July 11 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 26 2027

Estimated Enrollment :

107 Patients enrolled

Trial Details

Trial ID

NCT05217446

Start Date

July 11 2022

End Date

January 26 2027

Last Update

August 14 2025

Active Locations (64)

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Page 1 of 16 (64 locations)

1

Mayo Clinic Building - Phoenix

Phoenix, Arizona, United States, 85054

2

Mayo Clinic Hospital

Phoenix, Arizona, United States, 85054

3

Mayo Clinic

Scottsdale, Arizona, United States, 85259

4

Keck Hospital of USC

Los Angeles, California, United States, 90033