Investigating metformin's effects on immune health in people with and without HIV who use injection drugs

Assessment of metformin for restoration of immune homeostasis in HIV+ and HIV- individuals with a history of injection drug use

NIH-funded research University of Alabama at Birmingham · NIH-11195633

This study is looking at how the diabetes medication metformin might help improve the immune system in people living with HIV and those who use injectable drugs, by reducing inflammation and boosting certain immune cells, to help lower their risk of infections and other health problems.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Alabama at Birmingham NIH-funded
Lab location1 site (Birmingham, United States)
Project IDNIH-11195633 on NIH RePORTER

What this research studies

This research explores how metformin, a medication commonly used for diabetes, can help restore immune balance in individuals with HIV and those who inject drugs. The study focuses on the immune system's response, particularly looking at inflammation and B cell function, which can be disrupted in these populations. By examining the effects of metformin, the research aims to address the heightened risk of infections and other health issues associated with both HIV and injection drug use. Participants will be monitored for changes in their immune health over the course of the study.

Who could benefit from this research

Good fit: Ideal candidates include individuals living with HIV and those who inject drugs, particularly those experiencing immune system challenges.

Not a fit: Patients who do not have a history of injection drug use or HIV may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved immune health and reduced complications for individuals affected by HIV and injection drug use.

How similar studies have performed: Previous research has shown promise in using metformin for immune modulation, but this specific application in the context of HIV and injection drug use is relatively novel.

Where this research is happening

Birmingham, 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.
Conditions Acquired Immune Deficiency Syndrome VirusAcquired Immunodeficiency Syndrome Virusadult onset diabetesAdult-Onset Diabetes Mellitus
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.