Oral PAR1-targeting drugs to reduce liver inflammation in MASH

Small Molecule PAR1 Ligands for the Treatment of MASH

NIH-funded research Function Therapeutics, INC. · NIH-11163456

This project develops new oral small-molecule drugs designed to shift liver PAR1 signaling and reduce inflammation in adults with MASH.

Quick facts

Grant typeSbir 1 grant
Study typeNIH-funded research
Funding institutionFunction Therapeutics, INC. NIH-funded
Lab location1 site (Milwaukee, United States)
Project IDNIH-11163456 on NIH RePORTER

What this research studies

The team is creating and testing small molecules called parmodulins that act on a receptor called PAR1 in the liver. They will synthesize oral-ready candidate compounds and test them in mouse models that mimic human MASH to see whether inflammation and downstream fibrosis are reduced. The approach aims to tip PAR1 signaling from a pro-inflammatory to an anti-inflammatory state, building on prior animal results with activated protein C and PAR1-modified mice. This is early-stage preclinical work at a biotech company and does not yet involve people, but successful compounds could move toward human trials later.

Who could benefit from this research

Good fit: Adults diagnosed with metabolic dysfunction-associated steatohepatitis (MASH), particularly those with obesity-related fatty liver, would be the likely candidates for future trials.

Not a fit: People with advanced cirrhosis, liver disease driven primarily by viruses or alcohol rather than metabolic dysfunction, or children are less likely to benefit from this early-stage program.

Why it matters

Potential benefit: If successful, these drugs could slow or reduce liver inflammation and fibrosis in people with MASH and lead to new oral treatment options.

How similar studies have performed: Preclinical mouse studies with activated protein C and PAR1-modifying compounds have shown reduced inflammation, but there are currently no approved PAR1-targeting drugs for MASH and human data are lacking.

Where this research is happening

Milwaukee, 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.