Long‑acting implants and injections to prevent HIV

Sustained Release of Potent Antiviral Prodrugs for HIV Prevention

NIH-funded research Oak Crest Institute of Science · NIH-11143810

Long‑lasting, slow‑release antiviral approaches aim to help people at risk for HIV stay protected without taking daily pills.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionOak Crest Institute of Science NIH-funded
Lab location1 site (Monrovia, United States)
Project IDNIH-11143810 on NIH RePORTER

What this research studies

If you are someone at ongoing risk for HIV, this research is developing medicines that slowly release antiviral drugs over months from implants or injections so you wouldn't need a daily pill. The team is designing prodrug formulations and delivery devices to hold effective drug levels for six months or longer while reducing the initial burst and the long low‑level tail seen with some current long‑acting injectables. Work includes laboratory formulation, animal testing, and planning for combination two‑drug approaches that may give broader and more durable protection. The goal is to create safer, removable, and more reliable long‑acting prevention options that could move into human trials in the future.

Who could benefit from this research

Good fit: Ideal candidates would be people who are HIV‑negative and have ongoing risk of acquiring HIV and who want an alternative to daily oral PrEP.

Not a fit: People already living with HIV, those allergic to the study drugs, or those not at risk for HIV are unlikely to benefit from this research directly.

Why it matters

Potential benefit: If successful, these methods could provide months of HIV protection from a single implant or injection, lowering the chance of infection by removing the need for daily pills.

How similar studies have performed: Long‑acting injectable cabotegravir has been approved for PrEP, showing the approach can work, but dual‑drug implants and the specific prodrug delivery strategies here are novel and still early‑stage.

Where this research is happening

Monrovia, 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.