Clinical trial Recruiting at 1 site Observational Ages 18 to 75

Cohort study of idiopathic retroperitoneal fibrosis in China

Official title: A Prospective Cohort Study of Idiopathic Retroperitoneal Fibrosis in China

Run by Peking Union Medical College Hospital · NCT04312854 · Data updated 2026-11-12

This study looks at how idiopathic retroperitoneal fibrosis affects patients in China and how they respond to different treatments.

More Idiopathic Retroperitoneal Fibrosis trials

Quick facts

Study typeObservational
Ages18 Years to 75 Years
SexAll
Enrollment500 (estimated)
SponsorPeking Union Medical College Hospital
Academic / other
Locations1 site (Beijing, Beijing Municipality)
StatusRecruiting
StartedJanuary 17, 2020
Main results expectedJanuary 2030
Study endsJanuary 2030
Registry record updatedMarch 18, 2020
Trial IDNCT04312854 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are males and females aged 18-75 diagnosed with definite or possible idiopathic retroperitoneal fibrosis.

Probably not a fit

Patients with malignancies, other autoimmune diseases, or secondary forms of retroperitoneal fibrosis will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This cohort study aims to investigate the disease course and treatment response of patients with idiopathic retroperitoneal fibrosis (IRPF) across China. Patients diagnosed with definite or possible IRPF will be enrolled, and an online database will be established to collect clinical manifestations, demographic features, laboratory characteristics, immunological tests, imaging, and pathological features. The study will focus on understanding the complex clinical phenotype of IRPF and its association with other autoimmune conditions. The primary endpoint is to document the clinical manifestations of IRPF patients, while secondary endpoints will explore various characteristics and treatment outcomes.

Why it matters

Potential benefit: If successful, this study could enhance understanding of IRPF and improve treatment strategies for affected patients.

How similar studies have gone: While there may be limited studies on IRPF, this cohort approach is novel in the context of a comprehensive registry in China.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

Males and females; 18-75 years old with informed consent; Patients diagnosed with definite or possible IRPF.

Exclusion Criteria:

Secondary forms of IRPF; Pregnant or Females planning to bear a child recently ; Concurrent severe and/or uncontrolled and/or unstable diseases; Patients with malignancy.

Where it's running

  • Peking Union Medical College Hospital
    Beijing, Beijing Municipality, China
    Recruiting

Study contacts

  • Principal investigator: Wen Zhang, MD — Department of Rheumatology,Peking Union Medical College Hospital
  • Study coordinator: Yunyun Fei, MD
  • Email: feiyunyun2013@hotmail.com
  • Phone: 86-10-69158797

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.