Randomized Trial of Primary Surgery Followed Selective Radiochemotherapy

Status Suspended

Clinical Trial Summary

The purpose of this study is to determine whether primary radiotherapy can be omitted for the locally advanced rectal cancer with Magnetic Resonance Imaging (MRI) negative circumferential margin.

Clinical Trial Description

The preoperative radiochemotherapy with fluorouracil followed surgery is the standard therapy for patients with locally advanced rectal cancer. However, the necessity of radiotherapy has been questioned for a long time especially for patients with enough circumferential margins. Moreover, indiscriminate radiotherapy will result Irreversible ovarian dysfunction for female. In the past decade, there were two major progresses for colorectal cancer. Firstly, oxaliplatin with fluorouracil has become the standard adjuvant chemotherapy for advanced colon cancer. Oxaliplatin improved the survival of colon cancer patients than single fluorouracil. Our experience showed that oxaliplatin with fluorouracil could improve the prognosis of rectal cancer without radiotherapy. It has been proven that oxaliplatin should not add to radiotherapy for rectal cancer. However, whether oxaliplatin can replace radiotherapy for certain rectal cancer patients is still unknown. Secondly, Magnetic Resonance Imaging (MRI) has been proven that can predict the circumferential margin status for rectal cancer. Now, preoperative MRI scan can recognize the rectal cancer patients with low recurrence risk. The radiotherapy may be omitted to the patients with low recurrence risk. This study is a randomized controlled trial to compare the 3-year disease-free survival (DFS) differences of group of experiment (the patients receive primary surgery followed selective radiochemotherapy) and group of control (the patients receive indiscriminate preoperative radiochemotherapy followed surgery) for locally advanced rectal cancer with negative MRI circumferential margin. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02121405
Study type	Interventional
Source	Zhejiang University
Contact
Status	Suspended
Phase	Phase 3
Start date	October 2015
Completion date	February 2026

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Randomized Trial of Primary Surgery Followed Selective Radiochemotherapy for Rectal Cancer With MRI Negative CRM — PSSR

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms