Gene therapy to treat a rare genetic disorder affecting GABA metabolism

Gene Therapy for Succinic Semialdehyde Dehydrogenase Deficiency (SSADHD)

NIH-funded research Boston Children's Hospital · NIH-11192746

This study is testing a new gene therapy for people with Succinic Semialdehyde Dehydrogenase Deficiency (SSADHD) to see if it can help fix a problem with a gene that affects how the brain processes a key chemical called GABA, which could lead to better health and fewer symptoms.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionBoston Children's Hospital NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11192746 on NIH RePORTER

What this research studies

This research focuses on developing a gene therapy for Succinic Semialdehyde Dehydrogenase Deficiency (SSADHD), a rare genetic disorder caused by mutations in the ALDH5A1 gene. The approach involves using an adeno-associated virus (AAV) to deliver a functional copy of the ALDH5A1 gene to patients' cells, aiming to restore the enzyme responsible for breaking down GABA, an important neurotransmitter. By addressing the underlying cause of the disorder, the therapy seeks to reduce the harmful accumulation of GABA and its metabolites, potentially improving patient outcomes. The research will evaluate the effectiveness of this gene therapy in restoring enzyme function and its impact on related symptoms.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with Succinic Semialdehyde Dehydrogenase Deficiency due to ALDH5A1 mutations.

Not a fit: Patients with SSADHD who do not have ALDH5A1 mutations or those with other unrelated neurological conditions may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide a potential cure for patients with SSADHD by restoring normal GABA metabolism.

How similar studies have performed: Previous research has shown promise in using gene therapy for similar metabolic disorders, indicating potential for success in this approach.

Where this research is happening

Boston, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
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.