Observing the progression of retinitis pigmentosa linked to CNGB1 mutations

Study of CNGB1 Retinitis Pigmentosa and Allied Hereditary Disorders

Observational Columbia University · NCT04639635

This study looks at how retinitis pigmentosa caused by CNGB1 gene mutations changes over time in patients to help develop future treatments that might prevent blindness.

Quick facts

Study typeObservational
Enrollment20 (estimated)
SexAll
SponsorColumbia University Academic / other
Locations6 sites (New York, New York and 5 other locations)
Trial IDNCT04639635 on ClinicalTrials.gov

What this trial studies

This observational study focuses on understanding the natural progression of retinitis pigmentosa (RP) associated with mutations in the CNGB1 gene. It aims to gather data on patients diagnosed with CNGB1-RP through a series of follow-up visits over three years. By monitoring the disease's progression, the study seeks to inform future gene therapy treatments that could potentially prevent blindness in affected individuals. The research is conducted by trained retinal specialists at various prominent institutions.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals diagnosed with CNGB1-associated retinitis pigmentosa who can commit to multiple follow-up visits.

Not a fit: Patients with retinitis pigmentosa not associated with CNGB1 mutations may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved understanding and future treatment options for patients with CNGB1-related retinitis pigmentosa.

How similar studies have performed: Other studies focusing on the natural progression of genetic retinal diseases have shown promise, indicating that this approach could yield valuable insights.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Diagnosis of CNGB1-associated RP by study physician, who are trained retinal specialists in the university clinic
* Must be able to commit to 4 follow-up study visits (3 years)

Where this trial is running

New York, New York and 5 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Retinitis Pigmentosa Associated With CNGB1 MutationsRetinitis PigmentosaCNGB1Natural Progression
Last reviewed 2026-06-13 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.