Status:

NOT_YET_RECRUITING

Chemoradiotherapy After Surgery Versus Preoperative Chemoradiotherapy for Stage II/III Mid-low Rectal Cancer With or Without High-risk Factors

Lead Sponsor:

Changhai Hospital

Conditions:

Radiotherapy

Eligibility:

All Genders

Brief Summary

The purpose of this observational study is to understand the effect of different timing of chemoradiotherapy on overall survival in patients with stage II/III low- and medium-level rectal cancer with ...

Eligibility Criteria

Inclusion

  • The patient is between 18 and 80 years old;
  • Adenocarcinoma confirmed by pathology;
  • Colonoscopy or imaging examination confirmed that the distance between the lower edge of the tumor and the anal margin is ≤10cm;
  • ECOG score ≤2
  • (4) Imaging diagnostic analysis was cT1-3NxM0; (for Phase II/III) (5) CT examination of the chest and abdomen and pelvis showed no evidence of metastasis (6) Patients undergoing chemoradiotherapy and surgery

Exclusion

  • History of malignant tumors in the past;
  • Diagnosis of simultaneous multiple primary colorectal cancer or other cancers;
  • History of chemotherapy or radiotherapy prior to this trial
  • Those with contraindications to laparoscopic surgery, such as severe cardiopulmonary insufficiency;
  • Patients with intestinal obstruction, intestinal perforation, intestinal bleeding, etc., requiring emergency surgery;
  • Pregnant or lactating women;
  • Evidence of distant metastases prior to surgery
  • T4b tumors were found to invade the uterus, vagina, bladder, seminal vesicles, prostate, bone, and pelvic plexus

Key Trial Info

Start Date :

August 25 2024

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

December 31 2024

Estimated Enrollment :

2000 Patients enrolled

Trial Details

Trial ID

NCT06566222

Start Date

August 25 2024

End Date

December 31 2024

Last Update

August 22 2024

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