Making standardized live bacterial medicines for C. difficile and gut inflammation

Manufacture of defined live microbial therapeutics for infectious and inflammatory disease

NIH-funded research Icahn School of Medicine at Mount Sinai · NIH-11261767

Developing reliable ways to produce live bacterial medicines that can replace donor stool for people with recurrent C. difficile and other gut inflammation.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionIcahn School of Medicine at Mount Sinai NIH-funded
Lab location1 site (New York, United States)
Project IDNIH-11261767 on NIH RePORTER

What this research studies

This project focuses on turning promising donor-derived stool therapies into defined, made-in-a-lab bacterial medicines that are safer and easier to scale. The team created a 15-strain product called MTC01 taken from a previously successful stool donor and is manufacturing those strains on animal-free media. MTC01 is already being compared with donor stool in an early human trial, while the grant work aims to improve how these bacteria are grown and produced so more patients could access them. From a patient viewpoint, this could mean more consistent treatments without relying on stool donations.

Who could benefit from this research

Good fit: Adults with recurrent Clostridioides difficile infection who meet clinical trial criteria and are willing to enroll at a participating site would be the most likely candidates.

Not a fit: People without C. difficile infection, or those with medical conditions that exclude them from clinical trials (for example certain severe immunosuppression), are unlikely to benefit from this specific effort.

Why it matters

Potential benefit: If successful, this work could provide a safer, more consistent, and widely available alternative to fecal transplants for recurrent C. difficile and related gut conditions.

How similar studies have performed: Two fecal-based products have been approved for rCDI and early-phase trials of defined live biotherapeutics like MTC01 are already underway, showing promising but still early results.

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 2026-06-10 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.