The Efficacy and Safety of Infliximab Combination With Azathioprine in Crohn's Disease in Children

Starting soon · Not applicable

Conditions studied: Crohn's Diseases, Crohn's Disease in Pediatric Patient

In brief

The goal of this clinical trial is to investigate whether there are significant differences in the efficacy of infliximab monotherapy and combined azathioprine therapy in treating pediatric Crohn's disease, as well as whether there are differences in the safety of these two treatment regimens during long-term use. The main questions it aims to answer are: Is infliximab combined with azathioprine superior to monotherapy in inducing and maintaining remission of Crohn's disease in children? In long-term treatment, can infliximab combined with azathioprine more effectively reduce disease activity and the occurrence of complications, but the incidence of adverse reactions is not higher than that of monotherapy? Researchers will compare the treatment of infliximab combined with azioprine with that of infliximab monotherapy to assess the efficacy and safety of both in inducing and maintaining remission of Crohn's disease in children. Participants will: Take drug ABC or a placebo every day for 4 months Experimental group: Infliximab, administered intravenously at 5mg/kg every 8 weeks at weeks 0, 2, 6 and thereafter, along with azathioprine, taken orally at 1.5-2.5mg/kg daily. Control group: Infliximab (Remicade), administered intravenously at 5mg/kg every 8 weeks at weeks 0, 2, 6 and thereafter. A comprehensive disease assessment will be conducted at the hospital in the 14th and 54th weeks. Record their symptoms, signs and test results.

Key facts

Study ID

NCT07424040

Run by

The Children's Hospital of Zhejiang University School of Medicine

People needed

154

Starts

2026-03-01

Expected to finish

2028-11-30

Last updated by the study team

2026-02-20

Who can join

Age: 6 and older, up to 18. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Diagnose Crohn's disease based on the 2019 Expert Consensus for the Diagnosis and Treatment of Pediatric Inflammatory Bowel Disease.
• The baseline Pediatric Crohn's Disease Activity Index (PCDAI) value is ≥ 30.
• None of the patients had received treatment with azathioprine, 6-mercaptopurine, or anti-TNF biological agents before.
• Patients who received the following adjunctive treatments also meet the participation criteria: acid-suppressing drugs (if the dose was stable for at least 2 weeks before enrollment, it is applicable), enteral nutrition (with a stable plan for 2 weeks). Rectal, intravenous, or oral corticosteroids are not allowed, and they must be discontinued at least 2 weeks before enrollment.

You may not qualify if…

• Suffering from short bowel syndrome, ostomy surgery, symptomatic stenosis, abscess, or a recent history of abdominal surgery (within 6 months)
• History of tuberculosis or other granulomatous infections, positive chest imaging or positive tuberculin skin test
• Recent opportunistic infection history (within 6 months), active hepatitis B or C infection, human immunodeficiency virus infection
• Multiple sclerosis, cancer
• Homozygous mutations in NUDT15 or TPMT genes, or heterozygous mutations in at least one of the above genes

Where it is running

• The First People's Hospital of Yunnan — Kunming, Yunnan, China
• The Children's Hospital of Zhejiang University School of Medicine — Hangzhou, Zhejiang, China
• JinHua Maternal & Child Health Care Hospital — Jinhua, Zhejiang, China
• Second Affiliated Hospital of Wenzhou Medical University — Wenzhou, Zhejiang, China

Full record on ClinicalTrials.gov

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