How AAV gene therapy targets different organs

Determinants of AAV Tropism

NIH-funded research Duke University · NIH-11322047

Looking for ways to make AAV gene therapy reach the right organs at lower doses for people who need genetic treatments.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionDuke University NIH-funded
Lab location1 site (Durham, United States)
Project IDNIH-11322047 on NIH RePORTER

What this research studies

I'm told the researchers want to learn why different AAV virus shells go to certain organs and how to make them work at lower doses. They create large libraries of engineered AAV capsids and cycle them through mice, pigs, and macaques to find variants that work across species. The team will study capsid structure, where vectors travel in the body, and the molecular steps that improve cell entry and expression. The goal is to pick AAVs that could allow effective gene delivery with less risk to liver and kidneys in future human use.

Who could benefit from this research

Good fit: People with genetic disorders who are current or future candidates for AAV-delivered gene therapy would be the most relevant candidates.

Not a fit: Patients whose conditions are not treatable with AAV-delivered genes or who are ineligible for gene therapy procedures would be unlikely to benefit directly from this research.

Why it matters

Potential benefit: Could enable effective AAV gene therapy at lower doses, reducing liver and kidney toxicity and improving safety for patients.

How similar studies have performed: Preclinical work has produced potent cross-species AAV variants and shown promise, but clinical experience has been mixed because of dose-related toxicities, so safe human translation remains a challenge.

Where this research is happening

Durham, 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.