NIH-funded research R21 grant

How gut bacteria influence amphetamine use disorders

Official title: Microbial Biofilms as Regulators of Amphetamine Use Disorders

Funded at University of Alabama at Birmingham · NIH-11052604 · Data updated 2026-11-12

This study is looking at how certain gut bacteria might influence the effects of amphetamines in people with amphetamine use disorders, hoping to find new ways to help treat this condition.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Alabama at Birmingham
NIH-funded
Lab location1 site (Birmingham, United States)
Project startMarch 15, 2024
Project endFebruary 28, 2026
Funding year2025
Award (this year)$222,750
NIH project number5R21DA059844-02
Project IDNIH-11052604 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research include individuals with a history of amphetamine use or those diagnosed with amphetamine use disorders.

Less likely to help

Patients who do not use amphetamines or have no history of substance abuse may not benefit from this research.

What this research studies

This research investigates the relationship between microbial biofilms and amphetamine use disorders. It explores how certain bacteria in the gut, particularly Fusobacterium nucleatum, may enhance the effects of amphetamines by affecting dopamine levels in the brain. The study aims to understand the feedback loop between amphetamine use and changes in gut bacteria, which could lead to new treatment strategies. By examining animal models and human samples, the research seeks to uncover the mechanisms behind this interaction.

Why it matters

Potential benefit: If successful, this research could lead to innovative treatments for individuals struggling with amphetamine use disorders by targeting gut bacteria.

How similar studies have gone: While the interaction between the microbiome and drug use is a growing field, this specific approach focusing on amphetamines and gut bacteria is relatively novel.

Where this research is happening

  • University of Alabama at Birmingham
    Birmingham, United States
    Active

Researchers

  • Principal investigator: Carter, Angela Michelle — University of Alabama at Birmingham
  • Study coordinator: Carter, Angela Michelle

Related research

Other NIH-funded projects on the same topics.

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.