Understanding how brain circuits are affected by using fentanyl and methamphetamine together.

Assessing the role of corticostriatal circuitry in polysubstance use of fentanyl and methamphetamine using rat self-administration models

NIH-funded research University of Washington · NIH-11078722

This study is looking at how using fentanyl and methamphetamine together affects the brain and behavior, using rats to mimic how people might use these drugs, to help find better ways to treat addiction.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Washington NIH-funded
Lab location1 site (Seattle, United States)
Project IDNIH-11078722 on NIH RePORTER

What this research studies

This research investigates the effects of using fentanyl and methamphetamine together on brain circuitry and behavior, using rat models to simulate human drug use patterns. The study will compare the effects of sequential and simultaneous use of these substances, aiming to uncover how different patterns of use influence addiction behaviors and brain adaptations. By employing advanced techniques such as fiber photometry and electrophysiology, researchers will map the neural activity associated with these behaviors, which could lead to better treatment strategies for addiction.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals who use both fentanyl and methamphetamine or are at risk of developing such polysubstance use disorders.

Not a fit: Patients who do not use either fentanyl or methamphetamine, or those with other unrelated substance use disorders, may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved therapeutic interventions for individuals struggling with polysubstance use disorders.

How similar studies have performed: While there has been research on individual substances, this specific approach to studying the combined effects of fentanyl and methamphetamine is relatively novel and has not been extensively tested.

Where this research is happening

Seattle, 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 addictive disorder
Last reviewed 2026-06-15 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.