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

Official record

Identifier

NCT05217446

Recruiting locations

countries

United StatesAustraliaBelgiumCanadaCzechiaDenmarkFranceGermanyItalyNetherlandsNorwayPolandSlovakiaSpainUnited Kingdom

Interventions studied

EncorafenibCetuximabPembrolizumab

Lead sponsor

Pfizer

Target enrolment

108 participants

Study type

INTERVENTIONAL

Phase

Phase 2

Status

Active, not recruiting

First posted

Feb 1, 2022

Last updated on the registry

Jul 31, 2026

Age

16 Years

Sex

ALL

Study contact

No public contact is listed on the official record.

Eligibility criteria

Reproduced verbatim from the official record. Eligibility is decided by the study team, never by this page.

Inclusion Criteria:

* 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 Criteria:

* 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).