Developing a new treatment for immune thrombocytopenia using a specialized enzyme

Optimization, Pharmacokinetics, and Efficacy of an IgG Protease for the Treatment of Immune Thrombocytopenia and Other IgG-Mediated Autoimmune Diseases

NIH-funded research Cyrus Biotechnology, INC. · NIH-11069861

This study is testing a new treatment for people with immune thrombocytopenia (ITP) that uses a specially designed enzyme to help reduce harmful antibodies and improve platelet counts, aiming to provide a safer and more effective option than what’s currently available.

Quick facts

Grant typeSbir 1 grant
Study typeNIH-funded research
Funding institutionCyrus Biotechnology, INC. NIH-funded
Lab location1 site (Seattle, United States)
Project IDNIH-11069861 on NIH RePORTER

What this research studies

This research focuses on creating a novel treatment for immune thrombocytopenia (ITP), an autoimmune disorder characterized by low platelet counts due to IgG autoantibodies. The approach involves engineering a bacterial enzyme, IdeS, to effectively deplete these harmful antibodies while minimizing side effects. By utilizing advanced protein design techniques, the researchers aim to enhance the enzyme's effectiveness and longevity in the body. Patients may benefit from a more effective and safer treatment option compared to current therapies.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with immune thrombocytopenia who have not responded adequately to existing treatments.

Not a fit: Patients with other forms of thrombocytopenia not related to IgG autoantibodies may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide a more effective and durable treatment option for patients suffering from immune thrombocytopenia.

How similar studies have performed: Previous research has shown promise in using similar enzymatic approaches for antibody depletion, indicating potential for success in this novel application.

Where this research is happening

Seattle, 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 2026-06-15 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.