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Crohn'sRecruiting

Epidemiological Characteristics and Efficacy Evaluation of Difficult-To-Treat Crohn's Disease

Observational · No treatment assigned · 1 site · Xiang Gao

Official record & contacts on ClinicalTrials.gov ↗

In plain English

What this trial is testing

Condition(s) listed: Crohn Disease. This is an observational study: researchers collect information (for example questionnaires, samples, or scans) but the study does not assign a treatment.

Who can join

Some of the main requirements, copied from the record:

There are also 6 reasons someone might not be able to join (exclusion criteria). Only the trial team can confirm whether you qualify.

What's involved

Main thing being measured

In the researchers’ words

Difficult to treat Crohn's disease (DTT-CD) was defined by the International Organization for the Study of Inflammatory Bowel Diseases (IOIBD) in 2023, which refers to CD patients with poor response to drug treatment and poor prognosis. Foreign epidemiological studies have shown that DTT-CD accounts for 24.8% of all CD patients, and most of them are patients with advanced treatment failure according to more than two…

This is a short automatic summary built from the official record. A fuller plain-English card is coming; until then, please read the official record.

Questions to ask your doctor and the trial team

Official details

StatusRecruiting
PhaseObservational
Study typeObservational
ConditionsCrohn Disease
Lead sponsorXiang Gao
Enrollment1400 (estimated)
Start date2025-11-01
Primary completion (est.)2027-11-01
First posted2026-01-23
Last updated2026-01-23
Official titleEpidemiological Characteristics and Efficacy Evaluation of Refractory Crohn's Disease: a Multicenter, Prospective and Observational Cohort Study
ClinicalTrials.gov IDNCT07364734

Interventions

Full eligibility criteria (from the record)
Inclusion Criteria:

* The diagnosis of Crohn's disease was confirmed;
* Patients aged 18-65;
* Informed consent was obtained voluntarily.

Exclusion Criteria:

* The diagnosis of CD was unclear;
* The clinical baseline data were missing seriously;
* Patients currently enrolled in clinical trials or receiving experimental drugs;
* Other contraindications to biologics or small molecule drugs (including active infection, pregnancy, etc.);
* Patients with short bowel syndrome;
* Patients with a small bowel or colostomy.

Locations (1)

SiteCityCountrySite status
Sixth Affiliated Hospital, Sun Yat-sen UniversityGuangzhou, GuangdongChinaRecruiting

For contacts at each site, use the official record.

Information only, not medical advice. Talk to your doctor and the trial team before making any decision about a clinical trial.