Designing tiny protein drugs that block viruses from entering cells

Computational design and development of small protein inhibitors

NIH-funded research Washington University · NIH-11262208

Researchers are making tiny, stable proteins that can block viruses such as SARS‑CoV‑2 and RSV from entering cells to help treat people with these infections.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionWashington University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-11262208 on NIH RePORTER

What this research studies

This project uses computer design to create miniproteins that stick to viral fusion machinery and stop viruses from merging with your cells. Promising candidates will be tested first in lab-grown cells and then the most effective versions will be studied in animal models to check safety, dose, timing, and delivery methods. The team is targeting several viruses (COVID‑19, RSV, Nipah, and MERS) and will also look at ways to link the miniproteins to helpers that concentrate them where needed and whether they trigger immune responses. The work combines computational design, laboratory testing, and animal studies as steps toward treatments people could join in future clinical trials.

Who could benefit from this research

Good fit: People infected with or at high risk for viruses like SARS‑CoV‑2, RSV, MERS, or Nipah could be candidates for future clinical trials based on this work.

Not a fit: Patients with conditions unrelated to the targeted viruses or those needing immediate treatment are unlikely to benefit directly from this preclinical research right now.

Why it matters

Potential benefit: If successful, this could lead to a new kind of antiviral treatment that prevents viruses from entering cells and reduces severe illness.

How similar studies have performed: Related computationally designed miniproteins have neutralized SARS‑CoV‑2 in lab tests and some showed protection in animals, but applying this approach broadly to multiple viruses is still new.

Where this research is happening

Saint Louis, 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.
Conditions Acquired Immune Deficiency Syndrome VirusAcquired Immunodeficiency Syndrome Virus
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.