How HIV proteins change the effects of methamphetamine and amphetamine

The Role of HIV Proteins in Psychostimulant Abuse

NIH-funded research University of Alabama at Birmingham · NIH-11325376

This project looks at how HIV-related proteins change the brain's response to amphetamines and may make stimulant use worse for people living with HIV.

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-11325376 on NIH RePORTER

What this research studies

Researchers will use laboratory and animal experiments to study HIV proteins such as Tat and gp120 and how they alter brain dopamine signaling tied to stimulant effects. They will measure changes in drug-related behaviors like escalation and bingeing as well as underlying molecular and synaptic changes. The work is primarily carried out in rodent models and molecular assays rather than as a clinical trial. Findings are meant to point toward biological mechanisms that could guide future treatments or prevention strategies for people with HIV who use stimulants.

Who could benefit from this research

Good fit: Adults living with HIV who currently use or have a history of amphetamine or methamphetamine use are the population most relevant to this work.

Not a fit: People without HIV or those not using stimulants are unlikely to see direct benefits from this lab-focused research in the short term.

Why it matters

Potential benefit: Could identify biological targets to reduce stimulant-related harm and protect the brains of people living with HIV.

How similar studies have performed: Previous animal studies show HIV proteins and stimulants interact to worsen dopamine function and drug-taking, but detailed molecular mechanisms remain largely unproven.

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 Virus
Last reviewed 2026-06-13 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.