Clinical trial Recruiting at 1 site Observational Ages 14 and up

Evaluating biomarkers in IgA nephropathy patients

Official title: IgA Nephropathy Biomarkers Evaluation Study (INTEREST)

Run by Sun Yat-sen University · NCT02954419 · Data updated 2026-11-12

This study is trying to see if certain blood and urine markers can help predict how kidney disease will progress in people with IgA nephropathy who still have normal kidney function.

Quick facts

Study typeObservational
Ages14 Years and up
SexAll
Enrollment2000 (estimated)
SponsorSun Yat-sen University
Academic / other
Locations1 site (Guangzhou, Guangdong)
StatusRecruiting
StartedNovember 2016
Main results expectedNovember 2026
Study endsJanuary 2027
Registry record updatedApril 13, 2026
Trial IDNCT02954419 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals aged 14 years or older with biopsy-proven primary IgA nephropathy and an eGFR of 60 ml/min/1.73 m2 or higher.

Probably not a fit

Patients with secondary IgA nephropathy or those whose relatives have been diagnosed with biopsy-proven primary IgA nephropathy may 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 observational cohort study aims to investigate the relationship between blood and urine biomarkers, including genetic variants, and the long-term progression of kidney disease in 2000 Chinese patients diagnosed with IgA nephropathy who have relatively normal kidney function. The study focuses on understanding how these biomarkers can predict outcomes in patients with IgA nephropathy, a common cause of end-stage renal disease in China. By integrating data from whole genomic loci and serum and urine biomarkers, the study seeks to provide insights that could lead to better prognostic tools for managing this condition.

Why it matters

Potential benefit: If successful, this study could lead to the identification of reliable biomarkers that help predict kidney disease progression in IgA nephropathy patients.

How similar studies have gone: Previous studies have identified genetic loci related to IgA nephropathy, but this study's comprehensive approach to integrating various biomarkers is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Male or female individuals aged 14 years or older
* Patients with biopsy-proven primary IgA nephropathy
* A renal biopsy available for reviewing must include 10 or more glomeruli.
* The first renal biopsy was performed within 3 years.
* eGFR ≥ 60 ml/min/1.73 m2 (MDRD formula);
* Individuals or their legal representative who are able to understand and have voluntarily signed the informed consent form (ICF).

Exclusion Criteria:

* Relatives were diagnosed with biopsy-proven primary IgA nephropathy;
* Individuals had secondary IgA nephropathy due to diseases such as diabetes, chronic liver disease and systemic lupus erythematosus.

Where it's running

  • The First Affiliated Hospital,Sun Yat-sen University
    Guangzhou, Guangdong, China
    Recruiting

Study contacts

  • Principal investigator: Xue Qing Yu, M.D. & Ph.D. — First Affiliated Hospital, Sun Yat-Sen University
  • Study coordinator: Xue Qing Yu, M.D. & Ph.D.
  • Email: yuxq@mail.sysu.edu.cn
  • Phone: 8620-87766335

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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.