NIH-funded research R01 grant

Using engineered bacteria to improve gut health

Official title: Development of Engineered Native Bacteria as a Tool for Functional Manipulation of the Gut Microbiome

Funded at University of California, San Diego · NIH-11092923 · Data updated 2026-11-12

This study is exploring a new way to use specially designed bacteria to help improve gut health, which could lead to better treatments for people with chronic gut issues.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Diego
NIH-funded
Lab location1 site (La Jolla, United States)
Project startJune 20, 2023
Project endMay 31, 2028
Funding year2025
Award (this year)$766,167
NIH project number5R01AI163483-03
Project IDNIH-11092923 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals suffering from chronic gastrointestinal disorders or those interested in improving their gut health.

Less likely to help

Patients with acute gastrointestinal infections or those who do not have any gut-related health issues may not benefit from this research.

What this research studies

This research focuses on developing a novel method to manipulate the gut microbiome by using engineered native bacteria. The approach aims to introduce beneficial functions into the gut environment, which could lead to improved health outcomes. By understanding how these bacteria interact with the host, the researchers hope to create more effective therapies for various chronic conditions related to gut health. Patients may benefit from therapies that are tailored to their unique microbiome composition.

Why it matters

Potential benefit: If successful, this research could lead to new therapies that significantly improve gut health and overall well-being for patients with chronic gastrointestinal issues.

How similar studies have gone: Previous research has shown promise in manipulating the gut microbiome, but this approach of using engineered native bacteria is relatively novel and untested.

Where this research is happening

  • University of California, San Diego
    La Jolla, United States
    Active

Researchers

  • Principal investigator: Zarrinpar, Amir — University of California, San Diego
  • Study coordinator: Zarrinpar, Amir

Related research

Other NIH-funded projects on the same topics.

  • Multi-agent AI to annotate enzymes in the human gut microbiome

    A team at a major university will build an AI system that automatically curates and labels the functions of enzymes in the human gut microbiome to speed up understanding their health effects.

    NIH research University of South Florida · Tampa, United States · NIH-11594384

  • Mapping how gut bacteria transform drugs

    Scientists will study how the gut microbiome changes thousands of drugs into new forms, which could affect how well a medicine works or whether it causes side effects.

    NIH research Stanford University · Stanford, United States · NIH-11550022

  • Aflatoxin exposure and child growth in Guatemala

    A study in rural Guatemala will track how exposure to aflatoxin relates to growth and gut health in young children.

    NIH research Arizona State University-Tempe Campus · Scottsdale, United States · NIH-11513260

  • Gut bacteria that can make cancer immunotherapy less effective

    This project will see if reducing chronic inflammation driven by certain gut bacteria can help immunotherapy work better for people whose cancers have stopped responding.

    NIH research University of Tx Md Anderson Can Ctr · Houston, United States · NIH-11478145

  • How gut bacteria affect how cancer drugs work

    This project looks at how the bacteria in your gut might change how well and with what side effects fluoropyrimidine cancer drugs like 5-FU work in people.

    NIH research University of California, San Francisco · San Francisco, United States · NIH-11473234

  • Gut bacteria and cancer drugs: how your gut may change chemotherapy effectiveness

    This project studies how the gut microbiome might affect how well certain chemotherapy drugs work and their side effects in people with cancer.

    NIH research University of California, San Francisco · San Francisco, United States · NIH-11473233

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.