NIH-funded research R21 grant

How moving or traveling affects HIV prevention and care

Official title: Impact of geographic mobility on pre-exposure prophylaxis and HIV care outcomes

Funded at New York Blood Center · NIH-11393558 · Data updated 2026-11-12

This project looks at whether frequent moving or travel changes access to PrEP (HIV prevention) and HIV care for men who have sex with men in the U.S.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionNew York Blood Center
NIH-funded
Lab location1 site (New York, United States)
Project startSeptember 1, 2024
Project endJune 30, 2026
Funding year2025
Award (this year)$177,638
NIH project number5R21MH136915-02
Project IDNIH-11393558 on NIH RePORTER

Who could benefit from this research

Could help

Ideal participants are men who have sex with men in the U.S. who have moved or traveled frequently in recent years and who are at risk for HIV or involved in HIV prevention/care.

Less likely to help

People who do not move often, are not men who have sex with men, or live outside the U.S. are unlikely to see direct benefits from this specific project.

What this research studies

You would be asked about places you have lived or traveled over the past three years and your experiences finding PrEP and HIV care. The team will use surveys and health history to link patterns of movement with timing of HIV testing, PrEP use, and care visits. They will examine insurance gaps, delayed diagnoses, and whether moves led to better or worse access to services. Results are meant to guide ways to make prevention and care easier to reach for people who move often.

Why it matters

Potential benefit: If successful, the work could help design programs that keep mobile men connected to PrEP and HIV care so they get prevention and treatment more reliably.

How similar studies have gone: Previous research has linked mobility to delayed diagnosis and care interruptions, but focused work on how mobility affects PrEP and HIV outcomes among mobile men who have sex with men in the U.S. is limited.

Where this research is happening

  • New York Blood Center
    New York, United States
    Active

Researchers

  • Principal investigator: Tieu, Hong Van Nhu — New York Blood Center
  • Study coordinator: Tieu, Hong Van Nhu

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.