Peptide blockers to stop COVID-19 spread

Fusion inhibitors that block host-to-host transmission of SARS-CoV-2

NIH-funded research Columbia University Health Sciences · NIH-11380521

Researchers are developing lipid‑attached peptide antivirals meant to stop SARS‑CoV‑2 from entering cells and reduce person‑to‑person spread.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionColumbia University Health Sciences NIH-funded
Lab location1 site (New York, United States)
Project IDNIH-11380521 on NIH RePORTER

What this research studies

This project makes and refines lipid‑conjugated peptides that bind the coronavirus spike and block the virus from fusing with human cells. The peptides will be tested in laboratory assays and against live SARS‑CoV‑2 virus, and leading candidates will be evaluated in a ferret transmission model to see if they prevent spread. Promising compounds could move toward safety testing in people. The current work is preclinical (lab and animal) and does not enroll patients now.

Who could benefit from this research

Good fit: In the future, ideal candidates would be people recently exposed to SARS‑CoV‑2 or those seeking short‑term protection from infection.

Not a fit: People with advanced, late‑stage COVID‑19 needing hospital-level care are unlikely to benefit from a drug that primarily blocks viral entry.

Why it matters

Potential benefit: If successful, these inhibitors could become a new antiviral option to prevent COVID‑19 infection or transmission.

How similar studies have performed: Related lipopeptide fusion inhibitors have shown strong antiviral effects in laboratory and animal tests but are not yet established treatments in humans.

Where this research is happening

New York, 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.