A vaccine to protect against HIV transmission through anal sex

MEPCS (Multi-epitope protease cleavage sites) vaccine for protecting against SIV rectal transmission

NIH-funded research University of Nebraska Lincoln · NIH-10839115

This study is testing a new vaccine designed to help prevent HIV by targeting specific parts of the virus that are important for its growth, and it's aimed at people who are at risk of HIV transmission during anal sex.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Nebraska Lincoln NIH-funded
Lab location1 site (Lincoln, United States)
Project IDNIH-10839115 on NIH RePORTER

What this research studies

This research focuses on developing a novel vaccine that targets specific protease cleavage sites in the HIV virus, which are crucial for its maturation. By utilizing insights gained from individuals who naturally resist HIV, the vaccine aims to create a broadly accessible solution that can prevent the virus from mutating and escaping immune responses. The approach involves using a multi-epitope mRNA vaccine delivered through a stable nanoformulation, which has shown promising results in preclinical trials with macaques. If successful, this vaccine could significantly reduce the risk of HIV transmission during anal sex.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults over 21 years old who are at risk of HIV transmission, particularly through anal sex.

Not a fit: Patients who are not at risk of HIV transmission or those who are already HIV positive may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide a new preventive measure against HIV transmission, particularly for individuals at high risk.

How similar studies have performed: Previous studies have shown success with similar vaccine approaches, particularly in animal models, indicating potential for human application.

Where this research is happening

Lincoln, 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 2026-06-10 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.