NCT07152886

Brief Summary

This study is a multicenter randomized controlled trial designed to investigate the effects of Clostridium butyricum on adverse events during adjuvant treatment for colorectal cancer.

Trial Health

63
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
238

participants targeted

Target at P75+ for phase_4 colorectal-cancer

Timeline
20mo left

Started Oct 2025

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress24%
Oct 2025Dec 2027

First Submitted

Initial submission to the registry

August 26, 2025

Completed
8 days until next milestone

First Posted

Study publicly available on registry

September 3, 2025

Completed
2 months until next milestone

Study Start

First participant enrolled

October 31, 2025

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 31, 2027

Expected
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2027

Last Updated

September 3, 2025

Status Verified

August 1, 2025

Enrollment Period

2 years

First QC Date

August 26, 2025

Last Update Submit

August 26, 2025

Conditions

Keywords

Colorectal Canceradjuvant chemotherapyClostridium butyricum

Outcome Measures

Primary Outcomes (1)

  • CTCAE grade 3-4 diarrhea

    Incidence of grade 3-4 diarrhea during adjuvant chemotherapy, with severity graded according to the Common Terminology Criteria for Adverse Events (CTCAE) Version 5.0

    Throughout the entire course of adjuvant chemotherapy , up to 6 months

Secondary Outcomes (10)

  • Overall incidence of adverse events

    Throughout the entire course of adjuvant chemotherapy , up to 6 months

  • rate of adjuvant treatment interruption

    Throughout the entire course of adjuvant chemotherapy , up to 6 months

  • White blood cell count

    Before the start of each cycle of adjuvant chemotherapy. A total of 6 to 8 cycles of chemotherapy are expected to be administered.

  • neutrophil count

    Before the start of each cycle of adjuvant chemotherapy. A total of 6 to 8 cycles of chemotherapy are expected to be administered.

  • lymphocyte count

    Before the start of each cycle of adjuvant chemotherapy. A total of 6 to 8 cycles of chemotherapy are expected to be administered.

  • +5 more secondary outcomes

Study Arms (2)

intervention group

EXPERIMENTAL

Oral administration of Clostridium butyricum capsules during adjuvant chemotherapy, 6 capsules tid. (each capsule containing ≥6.3 × 10⁶ CFU of Clostridium butyricum).

Drug: Clostridium butyricum capsules

control group

PLACEBO COMPARATOR

Oral administration of placebo capsules, 6 capsules three times daily, containing corn starch. The appearance and weight of the placebo capsules are identical to those of intervention group.

Other: placebo capsules

Interventions

Clostridium butyricum capsules , 6 capsules tid (each capsule containing ≥6.3 × 10⁶ CFU of Clostridium butyricum).

intervention group

Oral administration of placebo capsules, 6 capsules tid., containing corn starch. The appearance and weight of the placebo capsules are identical to those of intervention group.

control group

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Aged 18-70 years;
  • No restriction on gender;
  • Have completed radical resection for colorectal cancer (including open, laparoscopic, or robotic surgery), and assessed by the MDT as requiring adjuvant therapy primarily based on 5-FU and its derivatives or platinum-based regimens (including chemotherapy, targeted therapy, or radiotherapy);
  • ECOG performance status score of 0-2;
  • Signed informed consent

You may not qualify if:

  • Use of probiotics, prebiotics, synbiotics, or antibiotics within 2 weeks prior to enrollment;
  • Presence of psychiatric disorders or other conditions that prevent cooperation with the intervention;
  • Dysfunction of vital organs such as the liver, kidneys, or heart that renders the individual unsuitable for clinical research upon assessment, or inadequate bone marrow, liver, or renal function to undergo adjuvant therapy;
  • Participation in other clinical studies within 3 months prior to enrollment;
  • History of inflammatory bowel disease;
  • History of autoimmune diseases;
  • Pregnancy or breastfeeding;
  • Receipt of neoadjuvant therapy (including chemotherapy, radiotherapy, or targeted therapy) prior to surgery;
  • Underwent ostomy surgery during the operation (including temporary or permanent ostomy).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Affiliated Hospital of Qingdao University

Qingdao, Shandong, 266071, China

Location

MeSH Terms

Conditions

Colorectal Neoplasms

Condition Hierarchy (Ancestors)

Intestinal NeoplasmsGastrointestinal NeoplasmsDigestive System NeoplasmsNeoplasms by SiteNeoplasmsDigestive System DiseasesGastrointestinal DiseasesColonic DiseasesIntestinal DiseasesRectal Diseases

Study Officials

  • Yanbing Zhou

    The Affiliated Hospital of Qingdao University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Eligible participants who meet the inclusion criteria after screening will receive either the investigational product or placebo, packaged and labeled with a unique randomization number, as assigned by an independent investigator. The participants, as well as the researchers involved in recruitment, screening, and follow-up, and the nursing staff, will all be blinded to the group assignments. Unblinding and data analysis will be conducted only after all participants have completed adjuvant chemotherapy.
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
The Director of the Department of Gastrointestinal Surgery, the Affiliated Hospital of Qingdao University

Study Record Dates

First Submitted

August 26, 2025

First Posted

September 3, 2025

Study Start

October 31, 2025

Primary Completion (Estimated)

October 31, 2027

Study Completion (Estimated)

December 31, 2027

Last Updated

September 3, 2025

Record last verified: 2025-08

Data Sharing

IPD Sharing
Will not share

Locations