Status:

NOT_YET_RECRUITING

The Effect of Oral Clostridium Butyricum on the Recurrence After Colonoscopic Resection of Colorectal Adenoma

Lead Sponsor:

The Affiliated Hospital of Qingdao University

Collaborating Sponsors:

Shandong Provincial Hospital

Linyi People's Hospital

Conditions:

Colorectal Adenoma

Probiotics

Eligibility:

All Genders

18-70 years

Phase:

PHASE4

Brief Summary

The prevention of recurrence after colorectal adenoma resection remains an urgent medical issue to be addressed. Previous studies have mainly focused on nonsteroidal anti-inflammatory drugs, calcium s...

Detailed Description

Statistical Analysis Plan Full Analysis Set (FAS): Defined as all randomized subjects who received at least one dose of the assigned intervention and had at least one scheduled colonoscopy follow-up...

Eligibility Criteria

Inclusion

  • Age between 18 and 70 years
  • No restriction on sex
  • Boston Bowel Preparation Score (BBPS) ≥ 7 prior to endoscopic procedure
  • Completed endoscopic resection of colorectal adenomas (including cold snare polypectomy, ESD, EMR, etc.) with no residual adenomas or polyps observed endoscopically
  • Histologically confirmed adenomas (including tubular, villous, or tubulovillous types) without malignant transformation
  • Able to take oral medication
  • Signed informed consent

Exclusion

  • Use of probiotics, prebiotics, synbiotics, or antibiotics within 2 weeks prior to enrollment
  • Presence of psychiatric disorders or other conditions preventing compliance with the intervention
  • Dysfunction of vital organs (liver, kidney, heart, etc.) deemed unsuitable for clinical study participation after evaluation
  • Participation in other clinical trials within 3 months prior to enrollment
  • History of gastrointestinal surgery (excluding endoscopic procedures)
  • History of inflammatory bowel disease
  • History of autoimmune diseases
  • Long-term use of aspirin (≥100 mg/day for over 3 months) or calcium supplements (≥1200 mg/day for over 3 months)
  • Pregnancy or breastfeeding
  • Previous treatment for colorectal adenomas (including endoscopic or surgical resection)
  • Familial adenomatous polyposis (FAP)

Key Trial Info

Start Date :

October 31 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

October 31 2030

Estimated Enrollment :

300 Patients enrolled

Trial Details

Trial ID

NCT07167342

Start Date

October 31 2025

End Date

October 31 2030

Last Update

September 11 2025

Active Locations (1)

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1

the Affiliated Hospital of QIngdao University

Qingdao, Shandong, China, 266000