U.S., Sept. 26 -- ClinicalTrials.gov registry received information related to the study (NCT07841236) titled 'ctDNA-Guided Immunotherapy for dMMR/MSI-H Colon Cancer' on Sept. 12.
Brief Summary: This prospective, multicenter, single-arm phase II interventional study evaluates whether longitudinal circulating tumor DNA (ctDNA) monitoring can guide neoadjuvant immunotherapy and surgical decision-making in dMMR/MSI-H colon cancer. Participants with ctDNA clearance proceed to curative surgery, whereas those with persistent ctDNA positivity escalate to combined PD-1 and CTLA-4 inhibitor therapy.
Study Start Date: Sept. 14
Study Type: INTERVENTIONAL
Condition:
Colon Cancer
Deficient Mismatch Repair
Microsatellite Instability-High (MSI-H)
Int...