Status:

NOT_YET_RECRUITING

Study on Safety and Efficacy of UCB-MNCs for Chronic Radiation Enteritis

Lead Sponsor:

Zhejiang Cancer Hospital

Conditions:

Chronic Radiation Induced Intestinal Injury

Chronic Radiation Enteritis

Eligibility:

All Genders

18-75 years

Phase:

EARLY_PHASE1

Brief Summary

This study aims to evaluate the safety and efficacy of the umbilical cord blood mononuclear cells (UCB-MNCs) therapy for chronic radiation enteritis (CRE) by observing factors related to the therapeut...

Eligibility Criteria

Inclusion

  • Aged 18-75 years, with no restriction on gender;
  • History of pelvic and abdominal radiotherapy;
  • Patients diagnosed with chronic radiation-induced intestinal injury (CRII) via colonoscopy and pathological examination (≥3 months after the end of radiotherapy);
  • Diagnosed with grade 2-3 radiation-induced intestinal injury based on the clinical symptom assessment (RTOG classification) in Expert Consensus on Integrated Traditional Chinese and Western Medicine Diagnosis and Treatment of Radiation-Induced Intestinal Injury in China;
  • Poor response to conventional treatment for two weeks, with symptoms showing no remission or progressive aggravation;
  • Well-controlled tumor for ≥3 months;
  • No significant abnormalities in liver and renal function: alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 3 times the upper limit of normal (ULN); serum creatinine (Cr) and blood urea nitrogen (BUN) ≤ 2 times the upper limit of normal (ULN);
  • Expected lifespan of the subject ≥ 3 months;
  • The patient is informed of the study details and voluntarily signs the informed consent form;
  • Willing and able to receive treatment and complete follow-up in accordance with the protocol requirements, and able to adhere to the doctor's advice for basic treatment.

Exclusion

  • Severe cardiac insufficiency (e.g., NYHA classification Grade Ⅲ or Ⅳ) and uncontrolled hypertension with medication (systolic blood pressure ≥ 160 mmHg or diastolic blood pressure ≥ 110 mmHg);
  • Positive results for hepatitis B, hepatitis C, human immunodeficiency virus (HIV), or syphilis;
  • Eastern Cooperative Oncology Group (ECOG) performance status score ≥ 2;
  • Currently participating in another clinical trial or having participated in another clinical trial within 4 weeks;
  • Patients with an allergic diathesis or known allergy to the preparation used in this trial;
  • Patients with comorbid mental illness who are unable to cooperate with treatment;
  • Pregnant or lactating women.

Key Trial Info

Start Date :

October 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2026

Estimated Enrollment :

10 Patients enrolled

Trial Details

Trial ID

NCT07175207

Start Date

October 1 2025

End Date

December 31 2026

Last Update

September 16 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Zhejiang Cancer Hospital

Hangzhou, Zhejiang, China

Study on Safety and Efficacy of UCB-MNCs for Chronic Radiation Enteritis | DecenTrialz