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The function of intestinal flora in the prediction, prevention and treatment of intestinal fibrosis in Crohn's disease

The function of intestinal flora in the prediction, prevention and treatment of intestinal fibrosis in Crohn's disease

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2300069727
Enrollment
Unknown
Registered
2023-03-24
Start date
2023-03-24
Completion date
Unknown
Last updated
2023-05-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Crohn's disease intestinal fibrosis

Interventions

1:Infliximab
2:Infliximab+antibiotics
Fibrous intestinal stenosis group:N/A
Non fibrous intestinal stenosis group:N/A

Sponsors

Sichuan Academy of Medical Sciences. Sichuan Provincial People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: [Part 1] Changes of intestinal flora in CD patients with fibrous intestinal stenosis Inclusion criteria: ? 18-60 years old ? Conforming to the diagnostic criteria of the Consensus on the Diagnosis and Treatment of Inflammatory Bowel Disease (2018? Beijing) ? Not having received treatment with mesalazine, hormones, immunosuppressants, biological agents ? Not using drugs and foods that may affect intestinal flora within 3 months ? Obtaining informed consent. [Part II] Changes of intestinal flora in CD patients receiving infliximab treatment after initial diagnosis and their correlation with intestinal fibrosis Inclusion criteria: ? Age 18-60 years old ? Newly diagnosed CD patients who meet the diagnostic criteria of the Consensus on the Diagnosis and Treatment of Inflammatory Bowel Disease (2018? Beijing) ? Crohn's activity index Best CDAI index = 221 ? There are high risk factors for poor prognosis (more than 2 of the following): the onset age is less than 40 years old, the first onset requires hormone treatment, with perianal lesions, intestinal involvement length more than 100 cm, with esophagus, stomach Duodenal lesions ? have not been treated with mesalazine, hormone, immunosuppressive agent or biological agent ? have not used drugs and food that may affect intestinal flora within 3 months ? have been diagnosed as no intestinal fibrosis or non-fibrous intestinal stenosis by MRE according to the diagnostic criteria of cross-sectional imaging ? have received infliximab treatment and obtained informed consent. [Part III] Effect of combination of individualized antibiotic treatment on CD patients with intestinal fibrosis during the initial diagnosis of infliximab treatment Inclusion criteria: newly diagnosed CD patients receiving infliximab treatment in the second part of the study

Exclusion criteria

Exclusion criteria: [Part 1] Changes of intestinal flora in CD patients with fibrous intestinal stenosis Exclusion criteria: ? history of gastrointestinal surgery ? tumor, serious endocrine, metabolic, systemic diseases, severe cardiovascular, liver and kidney dysfunction and other basic diseases ? infectious diseases confirmed by examination, including but not limited to bacteria, fungi, viruses, etc. ? pregnancy ? no informed consent [Part II] Changes of intestinal flora in CD patients receiving infliximab treatment after initial diagnosis and their correlation with intestinal fibrosis Exclusion criteria: ? history of gastrointestinal surgery ? tumor, serious endocrine, metabolic, systemic diseases, severe cardiovascular, liver and kidney dysfunction and other basic diseases ? infectious diseases confirmed by examination, including but not limited to bacteria, fungi, viruses, etc. ? pregnancy ? no informed consent [Part III] Effect of combination of individualized antibiotic treatment on CD patients with intestinal fibrosis during the initial diagnosis of infliximab treatment Exclusion criteria: ? antibiotic allergy ? without informed consent

Design outcomes

Primary

MeasureTime frame
fecal flora;Intestinal stricture;

Secondary

MeasureTime frame
C-reactive protein;erythrocyte sedimentation rate;PC-III;Best CDAI;Fibronectin;

Countries

China

Contacts

Public ContactXue Yang

Sichuan Academy of Medical Sciences. Sichuan Provincial People's Hospital

lydiayx@163.com02889394210

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026