Colorectal Cancer
SEAMARK – C4221022
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.
Trial overview
Topic
Colorectal cancer
Description
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 metastatic (spread to other parts of the body);
- has the condition of genetic hypermutability (tendency to mutation) or impaired DNA mismatch repair (MMR)
- has a certain type of abnormal gene called "BRAF" and;
- has not received prior treatment.
All participants in this study will receive pembrolizumab at the study clinic as an intravenous (IV) infusion (given directly into a vein) at the study clinic.In addition, half of the participants will take encorafenib by mouth at home every day and cetuximab by IV infusion at the study clinic. The study team will monitor how each participant is doing with the study treatment during regular visits at the study clinic.
Eligibility 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
Study details
The aim of the study is to compare progression-free survival (PFS) in previously treated participants with Kirsten rat sarcoma (KRAS) p.G12C mutated colorectal cancer (CRC) receiving sotorasib 240 mg once daily (QD) and panitumumab vs investigator’s choice (trifluridine and tipiracil, or regorafenib), and sotorasib 960 mg once daily (QD) and panitumumab vs investigator’s choice (trifluridine and tipiracil, or regorafenib). |
Further information
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