NIH-funded research R21 grant

Investigating how masculinizing hormone therapy affects HIV-1 risk in transgender men

Official title: The effects of masculinizing gender-affirming hormone therapy for transgender men on susceptibility to HIV-1 infection modelled ex vivo in cervical mucosal tissue

Funded at University of Alabama at Birmingham · NIH-10865047 · Data updated 2026-11-12

This study is looking at how testosterone therapy affects transgender men and whether it changes their risk of getting HIV, helping us learn more about their sexual health and safety.

More HIV-1-infection research and trials

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Alabama at Birmingham
NIH-funded
Lab location1 site (Birmingham, United States)
Project startJune 12, 2023
Project endMay 31, 2026
Funding year2024
Award (this year)$185,625
NIH project number5R21AI178872-02
Project IDNIH-10865047 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are transgender men who have been receiving masculinizing hormone therapy for at least one year.

Less likely to help

Patients who are not transgender men or those who have not undergone masculinizing hormone therapy may not benefit from this research.

What this research studies

This research explores the effects of masculinizing hormone therapy on transgender men, particularly focusing on how it may influence their susceptibility to HIV-1 infection. The study examines changes in cervical mucosal tissue and the vaginal microbiome in response to testosterone therapy, which is commonly used by transgender men to develop masculine characteristics. By analyzing these changes, the research aims to fill critical knowledge gaps regarding the unique risks of HIV-1 among this population. Participants may contribute to understanding how hormone therapy impacts sexual health and HIV transmission risk.

Why it matters

Potential benefit: If successful, this research could lead to improved health strategies and interventions to reduce HIV-1 transmission risk among transgender men.

How similar studies have gone: While there is limited research specifically on this topic, studies on hormone therapy and its effects on immune response have shown promising results, indicating potential for significant findings in this area.

Where this research is happening

  • University of Alabama at Birmingham
    Birmingham, United States
    Active

Researchers

  • Principal investigator: Ochsenbauer, Christina — University of Alabama at Birmingham
  • Study coordinator: Ochsenbauer, Christina

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.