A Study of DB-OTO, an Adeno-Associated Virus (AAV) Based Gene Therapy, in Children/Infants, Adolescents and Adults With Hearing Loss Due to Otoferlin Mutations
Public ClinicalTrials.gov record NCT05788536. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 1/2, Open-Label, Multicenter Trial With a Single Ascending Dose Cohort With Unilateral Intracochlear Injection Followed by a Bilateral Injection Expansion Cohort to Evaluate the Safety, Tolerability, and Efficacy of DB-OTO in Children and Infants With Biallelic hOTOF Mutations
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Regeneron is conducting a study of an investigational new drug called DB-OTO. DB-OTO is a gene therapy that is being developed to treat pediatric and adult participants who have severe-to profound and profound hearing loss due to changes in the otoferlin gene. The purpose of this study is to: * Learn about the safety of DB-OTO * Determine how well DB-OTO is tolerated (does not cause ongoing discomfort) * Evaluate the efficacy of DB-OTO (how well DB-OTO works)
Study identification
- NCT ID
- NCT05788536
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Enrollment
- 36 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- Not listed
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 26, 2023
- Primary completion
- Feb 25, 2029
- Completion
- Feb 24, 2032
- Last update posted
- Aug 4, 2026
2023 – 2032
United States locations
- U.S. sites
- 9
- U.S. states
- 7
- U.S. cities
- 9
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California Los Angeles Medical Center | Los Angeles | California | 90024 | Recruiting |
| Rady Children's Hospital | San Diego | California | 92123 | Recruiting |
| Nemours Children s Clinic | Jacksonville | Florida | 32207 | Recruiting |
| Nemours Childrens Hospital | Orlando | Florida | 32827 | Recruiting |
| Boston Children's Hospital - Main | Boston | Massachusetts | 02115 | Recruiting |
| Columbia University Irving Medical Center | New York | New York | 10032 | Recruiting |
| Cincinnati Children's Hospital Medical Center | Cincinnati | Ohio | 45229 | Recruiting |
| Seattle Children's Hospital | Seattle | Washington | 98105 | Recruiting |
| Medical College of Wisconsin | Milwaukee | Wisconsin | 53226 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 8 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05788536, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 4, 2026 · Synced Sep 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05788536 live on ClinicalTrials.gov.