Gene therapy to induce immune tolerance in dogs with hemophilia A

Immune tolerance induction by AAV-FVIII gene therapy for canine hemophilia A with inhibitors

NIH-funded research Children's Hosp of Philadelphia · NIH-10851822

This study is testing a new gene therapy for dogs with hemophilia A who have developed issues with their treatment, aiming to help their bodies accept a key protein they need for blood clotting, which could make their care easier and less costly.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionChildren's Hosp of Philadelphia NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-10851822 on NIH RePORTER

What this research studies

This research investigates a new gene therapy approach to treat hemophilia A in dogs, specifically targeting those that have developed inhibitors to factor VIII. The therapy uses adeno-associated virus (AAV) vectors to deliver the canine F8 gene, which is responsible for producing factor VIII, directly to the liver. By doing so, the aim is to induce immune tolerance, allowing the dog's body to accept factor VIII without producing harmful antibodies. This could potentially reduce the need for expensive and prolonged treatment regimens currently in use.

Who could benefit from this research

Good fit: Ideal candidates for this research are dogs diagnosed with hemophilia A who have developed inhibitors to factor VIII.

Not a fit: Dogs without hemophilia A or those who do not have inhibitors to factor VIII may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide a more effective and less costly treatment option for dogs suffering from hemophilia A with inhibitors.

How similar studies have performed: Previous studies using AAV gene therapy for hemophilia A without inhibitors have shown promising results, indicating potential for success in this novel approach.

Where this research is happening

Philadelphia, 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.