Clinical trial Recruiting at 1 site Observational

Registry for individuals with Bardet-Biedl Syndrome

Official title: Clinical Registry Investigating Bardet-Biedl Syndrome

Run by Marshfield Clinic Research Foundation · NCT02329210 · Data updated 2026-11-12

This study is creating a registry to gather health information from people with Bardet-Biedl Syndrome to better understand the condition and help develop new treatments.

More Bardet-Biedl Syndrome trials

Quick facts

Study typeObservational
SexAll
Enrollment1200 (estimated)
SponsorMarshfield Clinic Research Foundation
Academic / other
Locations1 site (Marshfield, Wisconsin)
StatusRecruiting
StartedJune 2014
Main results expectedDecember 2030
Study endsDecember 2030
Registry record updatedJuly 19, 2022
Trial IDNCT02329210 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this registry are individuals with a genetic confirmation of Bardet-Biedl Syndrome or those exhibiting specific clinical features of the condition.

Probably not a fit

Patients who do not meet the established genetic or phenotypic criteria for Bardet-Biedl Syndrome will not benefit from this registry.

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

What this trial studies

The Clinical Registry Investigating Bardet-Biedl Syndrome (CRIBBS) is an international registry designed to collect comprehensive health information from individuals diagnosed with Bardet-Biedl Syndrome (BBS), a rare genetic disorder. The registry aims to centralize data to enhance understanding of the disease's variable symptoms and to support the development of targeted treatment strategies. Participants are recruited through family support organizations and a dedicated website, where they can register and provide consent. Data collection involves interviews to gather demographic and health information while ensuring patient privacy.

Why it matters

Potential benefit: If successful, this registry could lead to improved understanding and treatment options for patients with Bardet-Biedl Syndrome.

How similar studies have gone: Other registries for rare genetic disorders have shown success in improving patient outcomes and advancing research, indicating that this approach is promising.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria: (1) Genetic confirmation of BBS or (2) manifest four primary features of BBS or (3) manifest three primary features plus two secondary features.

Primary Features: Rod-Cone dystrophy, Polydactyly, Obesity, Learning disabilities, Hypogonadism in males, Renal anomalies

Secondary Features: Speech disorder/delay, Strabismus/cataracts/astigmatism, Brachydactyly/syndactyly, Developmental delay, Polyuria/polydipsia, Ataxia/poor coordination/imbalance, Mild spasticity (especially lower extremities), Left ventricular hypertrophy/congenital heart disease, Hepatic fibrosis

Exclusion Criteria:

Individuals not meeting established genetic and/or phenotypic criteria

Where it's running

  • Marshfield Clinic Research Foundation
    Marshfield, Wisconsin, United States
    Recruiting

Study contacts

Similar studies

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

  • Setmelanotide in BBS and related genetic obesity: real-world effects

    This study tests how well Setmelanotide works and is tolerated in people with Bardet-Biedl syndrome or similar genetic obesity conditions in routine clinical care.

    Recruiting Phase 4 University Hospital, Essen · Essen · NCT07674290

  • Observing the health management of patients with rare genetic syndromes

    This study looks at how patients with rare genetic syndromes like Prader-Willi and Klinefelter manage their health as they move from children's care to adult care to see what support they need.

    Recruiting Erasmus Medical Center · Rotterdam, South Holland · NCT04463316

  • Cohort for Bardet-Biedl and Alström Syndromes

    This study is trying to learn more about Bardet-Biedl and Alström Syndromes by collecting health information from both kids and adults to see how these rare conditions affect their lives over time.

    Recruiting University Hospital, Strasbourg, France · Strasbourg · NCT04461444

  • Registry for inherited retinal degenerative diseases

    This study is creating a registry for people with rare inherited eye diseases to help track their health and experiences over time, making it easier to understand these conditions and support research.

    Recruiting Foundation Fighting Blindness · Columbia, Maryland · NCT02435940

  • Resource for Hepato/Renal Fibrocystic Diseases

    This study is trying to collect detailed health and genetic information from people with hepato/renal fibrocystic diseases to improve understanding and treatment options for these conditions.

    Recruiting at 4 sites Children's Hospital of Philadelphia · Washington D.C., District of Columbia and 5 other locations · NCT01401998

  • First-in-human, dose-escalation test of AXV-101 for BBS1-related retinal degeneration

    AXV-101 is tested in children and teens with BBS1 retinal degeneration to see if it is safe, find a good dose, and measure how much drug appears in blood, urine, and tears.

    Recruiting Early Phase 1 Axovia Therapeutics · London · NCT07269665

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.