NIH-funded research U01 cooperative agreement

Novel therapeutic to protect the gut after radiation

Official title: Development of a Novel Therapeutic for Mitigating Radiation-Induced Microbiome Dysbiosis and Acute Gastrointestinal Syndrome

Funded at Columbia University Health Sciences · NIH-11572662 · Data updated 2026-11-12

A new GI-directed treatment given after radiation exposure may reduce gut damage and improve survival in people exposed to high-dose radiation.

More Dysbiosis research and trials

Quick facts

Grant typeU01 cooperative agreement
Study typeNIH-funded research
Funding institutionColumbia University Health Sciences
NIH-funded
Lab location1 site (New York, United States)
Project startFebruary 1, 2023
Project endJanuary 31, 2028
Funding year2026
Award (this year)$48,754
NIH project number3U01AI172853-04S2
Project IDNIH-11572662 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are individuals with or at risk of radiation-induced GI injury or those enrolled in translational studies for GI radioprotection.

Less likely to help

Patients without radiation exposure-related GI injury or those not eligible for post-exposure treatment may not benefit.

What this research studies

This project focuses on a glycopolymer drug called MIIST305 that targets the GI tract to lessen radiation-induced damage. Using animal models, researchers will test whether giving MIIST305 after radiation can reduce cell death, calm harmful inflammation, and support tissue healing. The goal is to develop a countermeasure for GI syndrome after radiological events so that patients have a better chance of recovery. The study is conducted by Columbia University Irving Medical Center researchers in collaboration with Synedgen Inc. to move promising findings toward potential human use.

Why it matters

Potential benefit: If successful, this therapy could become an FDA-approved option to treat radiation-induced GI injury and improve survival after mass casualty radiological events.

How similar studies have gone: Preclinical work has shown reduced cell death and better tissue repair in models of gut inflammation and radiation injury, with some survival benefits in mice.

Where this research is happening

  • Columbia University Health Sciences
    New York, United States
    Active

Researchers

  • Principal investigator: Broustas, Constantinos G. — Columbia University Health Sciences
  • Study coordinator: Broustas, Constantinos G.

Related research

Other NIH-funded projects on the same topics.

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  • From Symbiosis to Dysbiosis: How Resolving Inflammation Could Restore Your Mouth’s Balance

    This grant explores how turning off the harmful inflammation in periodontitis and promoting natural healing could help restore the mouth’s healthy balance.

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  • Antibiotics, gut health, and skin reactions in kids

    A small study in children will look at whether antibiotic use and gut bacteria play a role in hives and related symptoms that children sometimes get after antibiotics.

    NIH research Cincinnati Childrens Hosp Med Ctr · Cincinnati, United States · NIH-11603169

  • A new GI-focused treatment to reduce radiation damage after exposure

    A potential GI-targeted therapy given after radiation exposure may help protect the gut and improve survival in people affected by radiation injuries.

    NIH research Columbia University Health Sciences · New York, United States · NIH-11572658

  • How a mouth bacterium might fuel gum disease and heart risk

    A small study will look at how a bacterium in the mouth that makes a reactive chemical (methylglyoxal) could drive gum inflammation and changes in the mouth’s bacteria, possibly linking to heart disease.

    NIH research State University of New York at Buffalo · Amherst, United States · NIH-11564245

  • Targeting gut microbes to restore food-tolerance in adults

    Aims to understand how gut bacteria and the lining of the gut interact to keep people with food allergies tolerant to what they eat.

    NIH research Boston Children's Hospital · Boston, United States · NIH-11551491

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.
Last reviewed 2026-11-14 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.