Uncovering genetic causes of congenital hearing loss in diverse populations
Official title: Identification of Autosomal Recessive Nonsyndromic Hearing Impairment Genes
Funded at Columbia University Health Sciences · NIH-11598493 · Data updated 2026-11-12
A fast, family-based genetic study aims to find new genes linked to congenital hearing loss in children from Africa, Europe, and Asia to improve early diagnosis.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Columbia University Health Sciences NIH-funded |
| Lab location | 1 site (New York, United States) |
| Project start | August 1, 1998 |
| Project end | February 28, 2029 |
| Funding year | 2026 |
| Award (this year) | $10,000 |
| NIH project number | 3R01DC003594-24S2 |
| Project ID | NIH-11598493 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates are families with two or more members affected by severe to profound bilateral sensorineural nonsyndromic hearing loss, spanning Nigeria, Hungary (Magyar and Romani populations), and Pakistan.
✕Less likely to help
Families without a history of nonsyndromic hearing loss or those outside the study populations may not directly benefit.
What this research studies
This project focuses on identifying genes responsible for nonsyndromic hearing loss in young children by studying affected families from Hungary, Nigeria, and Pakistan. Researchers will use next-generation DNA sequencing to spot mutations that cause ARNSHI and analyze data to understand how these genes affect hearing. By collecting and comparing DNA from affected relatives, the study seeks to expand genetic screening options so families receive earlier information and guidance. The work is designed to translate genetic findings into better diagnostic tools and potential treatments or interventions for children with HI.
Why it matters
Potential benefit: If successful, the findings could lead to earlier and more accurate genetic screening for congenital hearing loss, enabling timely interventions for affected children.
How similar studies have gone: Previous work has identified ARNSHI genes, but many remain undiscovered due to population diversity, making this study both building on prior success and exploring new genes.
Where this research is happening
-
Columbia University Health Sciences
New York, United States Active
Researchers
- Principal investigator: Leal, Suzanne M — Columbia University Health Sciences
- Study coordinator: Leal, Suzanne M
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.