Geneva, Aug. 6 -- International Clinical Trials Registry received information related to the study (ChiCTR2600128631) titled 'Study on the Relationship Between Immunotherapy Efficacy and Gut Microbiota in Gastrointestinal Malignancies' on July 23.

Study Type: Observational study

Study Design: Cohort study

Primary Sponsor: The First Affiliated Hospital of Wenzhou Medical University

Condition: Locally advanced or advanced gastric and colorectal cancers

Intervention: Colorectal cancer immunotherapy group:None Gastric cancer immunotherapy group:None Colorectal cancer negative control group:None

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-08-01

Target Sample Size: Colorectal cancer immunotherapy ...