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Japanese Alport Syndrome Patients Registry

Japanese Alport Syndrome Patients Registry - Alport Registry

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000044307
Enrollment
500
Registered
2021-07-01
Start date
2021-07-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Alport syndrome

Interventions

None listed

Sponsors

Japanese Society of Pediatric Nephrology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients with persistent hematuria who have been confirmed to have Alport syndrome by genetic or histopathological examination 2) Patients with persistent hematuria whose relatives have already been diagnosed with Alport syndrome by genetic or histopathological examination

Exclusion criteria

Exclusion criteria: 1)Patients who have declined to provide their data when opting in consent or opting out consent 2)Patients who have only heterozygous mutations in the COL4A3 or COL4A4 gene, urinary findings are only hematuria and no proteinuria, renal function is normal, and family history also shows only hematuria. * To date, the definition of basement membrane thinning syndrome has not been determined, but in this study, such cases are treated as basement membrane thinning syndrome. ** As shown in the selection criteria 2), if there is a patient in the family who has urinary protein or renal dysfunction and is diagnosed with autosomal dominant Alport syndrome, hematuria-only patients are also enrolled. If you are uncertain about your decision, consult with the research office. 3) Patients judged to be inappropriate as a target by the judgment of researchers.

Design outcomes

Primary

MeasureTime frame
Age at the start of renal replacement therapy.

Secondary

MeasureTime frame
1. Estimated glomerular filtration rate (eGFR) 2. Urine protein 3. Age at onset of deafness 4. Time to start renal replacement therapy 5. Time to onset of deafness

Countries

Japan

Contacts

Public ContactMotohiro Sakamine

Translational Research Center for Medical Innovation Study Management Group

ASregistry@tri-kobe.org078-304-6802

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026