Active Surveillance vs Adjuvant Chemoradiotherapy for Locally Resected Intermediate-Risk T1 Rectal Cancer

The goal of this clinical trial is to learn if close follow-up alone (active surveillance) works as well as radiation combined with chemotherapy (chemoradiotherapy) after removing early rectal cancer in adults. The main questions it aims to answer are: 1. Does active surveillance cause fewer serious adverse events than chemoradiotherapy within 3 years? Serious adverse events include a permanent or temporary ostomy (a surgical opening in the belly to pass stool), major bowel problems, or severe treatment-related complications. 2. Is active surveillance as safe as chemoradiotherapy in preventing cancer from coming back or spreading within 3 years? Researchers will compare active surveillance to chemoradiotherapy to see if surveillance causes fewer serious adverse events while keeping cancer outcomes comparable. To join this study, participants must be adults who had an early-stage rectal cancer (T1) removed by an endoscopic procedure, and whose removed tumor showed certain features that raise the risk of cancer cells remaining nearby. Participants will be randomly placed in one of two groups: 1. Active surveillance group: Participants will have regular checkups, blood tests, flexible camera exams of the bowel (rectoscopy), scans of the pelvis and abdomen, and colonoscopy on a set schedule for 5 years. If cancer comes back, doctors will propose further treatment options. 2. Chemoradiotherapy group: Participants will receive radiation to the pelvis along with a chemotherapy …

This description comes directly from the study's public registry record.

Michal Kaminski, Prof.  ·  (22) 546 23 28  ·  michal.kaminski@nio.gov.pl

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