Fast-acting delivery to prevent and reverse fentanyl and other opioid overdoses

A novel drug delivery system for the prevention and rescue of fentanyl and other opioid overdoses

NIH-funded research University of the Pacific-Stockton · NIH-11292418

A new way to deliver medicine quickly that could stop and reverse fentanyl and other opioid overdoses for people at risk or experiencing an overdose.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of the Pacific-Stockton NIH-funded
Lab location1 site (Stockton, United States)
Project IDNIH-11292418 on NIH RePORTER

What this research studies

Researchers are developing a delivery method designed to get an antidote into the brain quickly to counter fentanyl and related synthetic opioids. They will optimize how the system crosses the blood-brain barrier and binds to these drugs using lab and preclinical models and tests in blood and brain tissue. Safety and dosing studies will be done before any work moves toward human testing. If the project moves forward, future clinical work could include people at high risk of overdose or emergency responder settings.

Who could benefit from this research

Good fit: Ideal candidates for future trials would include adults at high risk of fentanyl exposure or with opioid use disorder, people with prior overdoses, and first responders or bystanders who might use the rescue option.

Not a fit: People who are not exposed to opioids or not at risk of fentanyl exposure, and those with allergies to the study drugs or other exclusionary medical conditions (e.g., some pregnancies), may not benefit or be eligible.

Why it matters

Potential benefit: If successful, this could provide faster and more effective reversal of fentanyl-related overdoses, potentially reducing deaths and long-term brain injury.

How similar studies have performed: Existing antidotes like naloxone work for many overdoses but can be less effective for potent fentanyl analogs, so rapid brain-targeted delivery is a novel approach that is still largely untested in humans.

Where this research is happening

Stockton, 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.
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.