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Clinical Trial ● Currently Recruiting Phase II NCT06567782

A Study of Neoadjuvant Dostarlimab Plus Capecitabine Plus Oxaliplatin (CAPEOX) Vs CAPEOX With Previously Untreated T4N0 or Stage III Mismatch Repair Proficient (MMRp)/Microsatellite Stable (MSS) Colon Cancer

A Study of Neoadjuvant Dostarlimab Plus Capecitabine Plus Oxaliplatin (CAPEOX) Vs CAPEOX With Previously Untreated T4N0 or Stage III Mismatch Repair Proficient (MMRp)/Microsatellite Stable (MSS) Colon Cancer —…

📅 25 Mar 2026 ⏱ 2 min read
Currently Recruiting
This trial is actively seeking participants in the UK. Discuss eligibility with your patient before referring.
Status
Currently Recruiting
Phase
Phase II
NCT ID
NCT06567782
Sponsor
GlaxoSmithKline
Start
2025-02-17
ClinicaliQ Trial Snapshot
  • A Study of Neoadjuvant Dostarlimab Plus Capecitabine Plus Oxaliplatin (CAPEOX) Vs CAPEOX With Previously Untreated T4N0 or Stage III Mismatch Repair Proficient (MMRp)/Microsatellite Stable (MSS) Colon Cancer — Recruiting • Phase II • Oncology • NCT06567782.
  • The main goal of this study is to test a new treatment approach for colon cancer. The treatment involves dostarlimab along with a specific type of chemotherapy called CAPEOX (short for "capecitabine + oxaliplatin") to check if using these two together works….
  • Sponsor: GlaxoSmithKline.

Verify eligibility, endpoints and current status on the original source registry before acting on this summary.

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What This Trial Is Studying

The main goal of this study is to test a new treatment approach for colon cancer. The treatment involves dostarlimab along with a specific type of chemotherapy called CAPEOX (short for "capecitabine + oxaliplatin") to check if using these two together works better than using just CAPEOX by itself. This treatment is given before any surgery takes place; a method referred to as "neoadjuvant therapy." . The aim is to see if this new approach can show early signs of effectiveness in treating participants with a specific type of colon…

Eligibility Snapshot
  • : * Has untreated pathologically confirmed colon adenocarcinoma * Has resectable colon adenocarcinoma defined as clinically T4N0 or Stage III * Has a tumor demonstrating the presence of either- 1. MMR status: MMR status must be assessed by Immunohistochemistry (IHC) for MMR protein expression (MLH1, MSH2, MSH6, PMS2) where all proteins are present indicates MMRp; MMR status may be determined local laboratory; or 2. MSS or Microsatellite Instability-L (MSI-L) phenotype as determined by polymerase chain reaction (PCR) or by tissue next generation sequencing (NGS), determined by local laboratory * Provides fresh tumor tissue obtained during either the pre-screening or screening period via colonoscopy performed per procedure manual. Tissue biopsy is required * Is willing to use adequate contraception male and/or female participants * Has an Eastern Cooperative Oncology Group - Performance status (ECOG-PS) of 0 or 1 * Has adequate organ function

Use the source registry for the full inclusion and exclusion criteria before discussing referral or enrolment.

Full Trial Details
View this trial on the source registry
Eligibility criteria, protocol, and results when available
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