Malignant Polyp Registry

The purpose of this study is to learn more about malignant colorectal polyps and the risk of the cancer remaining, coming back, or spreading after the polyp is removed. The researchers also want to understand how patients and doctors make decisions about treatment after a malignant polyp is removed. Additionally, the researcher will collect information medical records, including results from tests, imaging scans, lab work, and pathology reports. The researchers may also collect images from your colonoscopy and copies of pathology slides the polyp. The researchers will also follow the patient's health over time through regular doctor visits. If the patient does not have a scheduled visit, a member of the study team will contact the patient by phone at 1 year, 3 years, and 5 years after the patient joins the study to ask about their health.

NCT Number	NCT07619079
Lead Sponsor	Memorial Sloan Kettering Cancer Center
Conditions	Malignant Polyp
Enrollment	500 participants
Start Date	2026-05-19
Primary Completion	2029-05-19 (estimated)
Study Completion	2029-05-19 (estimated)
Updated on ClinicalTrials.gov	2026-07-14