Actively Recruiting

Phase Not Applicable
Age: 18Years - 75Years
All Genders
NCT07369830

The Impact of Probiotic Intervention on the Gut Microbiota and Bowel Function

Led by Huashan Hospital · Updated on 2026-01-27

156

Participants Needed

1

Research Sites

193 weeks

Total Duration

On this page

Sponsors

H

Huashan Hospital

Lead Sponsor

C

Characteristic Medical Center of Rocket Army

Collaborating Sponsor

AI-Summary

What this Trial Is About

This study aims to propose a novel, easy-to-operate intervention strategy that effectively improves defecation function after stoma reversal and to assess its impact on the gut microbiota.The efficacy and safety of antegrade placement of probiotics into the distal deserted intestine during prophylactic stoma to improve bowel function after stoma reversal were evaluated through randomized controlled clinical trials.Observing the changes in gut microbiota during the prophylactic stoma period, the impact of probiotics on the structure of gut microbiota, and exploring the correlation between gut genera and bowel function after stoma reversal.

CONDITIONS

Official Title

The Impact of Probiotic Intervention on the Gut Microbiota and Bowel Function

Who Can Participate

Age: 18Years - 75Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age between 18 and 75 years
  • Diagnosis of ultra low rectal cancer suitable for Intersphincteric Resection (ISR) surgery
  • Underwent prophylactic ileostomy
  • Scheduled for stoma reversal surgery within 6 months after ISR
  • Digestive tract reconstruction with hand-sewn or stapled coloanal anastomosis
  • Strong preference for sphincter-preserving surgery
  • Able to understand and provide signed informed consent
Not Eligible

You will not qualify if you...

  • Not meeting surgical indications for Intersphincteric Resection (ISR)
  • Having multiple primary colorectal malignancies
  • Received neoadjuvant radiotherapy
  • Experienced disease progression or death postoperatively
  • Developed severe anastomotic complications such as leakage or stenosis
  • Stoma reversal surgery delayed beyond 6 months after ISR
  • Require long-term antibiotic use over 3 months
  • Allergy to Clostridium butyricum (live) Tablets or any components
  • Using other probiotics during the study
  • Have inflammatory bowel disease
  • History of neurological or psychiatric disorders including Parkinson's, Alzheimer's, stroke, epilepsy, or major psychiatric disorders
  • Pregnant or breastfeeding women

AI-Screening

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Trial Site Locations

Total: 1 location

1

Huashan Hospital Fudan University

Shanghai, Shanghai Municipality, China, 200040

Actively Recruiting

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Research Team

L

LI Zhenyang, Doctor

CONTACT

X

Xiang Jianbin, Doctor

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

3

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