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Recruiting Phase 2 NCT05961709

The Phoenix Trial: Phase II Trial of Cemiplimab for the Non-operative Management of Localized dMMR Colon Cancer

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Trial Parameters

Condition Colon Cancer
Sponsor M.D. Anderson Cancer Center
Study Type INTERVENTIONAL
Phase Phase 2
Enrollment 50
Sex ALL
Min Age 18 Years
Max Age N/A
Start Date 2024-05-20
Completion 2026-04-30
Interventions
Cemiplimab

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Brief Summary

To learn if cemiplimab can help to control dMMR colon cancer.

Eligibility Criteria

Inclusion Criteria: Participants are eligible to be included in the study only if all of the following criteria apply: * Age ≥18 years * Histological confirmation of colon adenocarcinoma, as determined by pathology review (inferior colon margin defined as \>10 cm from anal verge). * Colon cancer that is deficient in mismatch repair (dMMR) or microsatellite Instability high (MSI-H) as determined by one of three methods: * Immunohistochemistry-determined dMMR by complete tumor nuclear loss of MLH1, PMS2, MSH2 or MSH6 * PCR-determined MSI at \>30% of tested microsatellites * Next-generation-determined MSI-H based upon instability at multiple microsatellites as determined by the specific next generation sequencing panel * Localized colon cancer with (1) radiological staging of T3 or T4 or lymph node positive (stage II or III) OR (2) locally recurrent with luminal component OR (3) stage I with a surgical mortality defined as \>5% by American College of Surgeons (ACS) National Surgery Qualit

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