Investigating how xylazine and opioids affect brain function related to addiction
Official title: Effects of xylazine and opioids on prefrontal cortex inhibitory transmission
Funded at University of Pittsburgh at Pittsburgh · NIH-11035819 · Data updated 2026-11-12
This study is looking at how xylazine, a substance found in some illegal opioids, affects the part of the brain that helps control emotions and cravings, with the goal of finding better ways to help people struggling with addiction.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Pittsburgh at Pittsburgh NIH-funded |
| Lab location | 1 site (Pittsburgh, United States) |
| Project start | January 1, 2025 |
| Project end | December 31, 2026 |
| Funding year | 2025 |
| Award (this year) | $238,500 |
| NIH project number | 1R21DA062048-01 |
| Project ID | NIH-11035819 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are individuals with opioid use disorder, particularly those who may have been exposed to xylazine.
✕Less likely to help
Patients who do not have a history of opioid use or are not affected by substance use disorders may not benefit from this research.
What this research studies
This research explores the effects of xylazine, a substance increasingly found in illicit opioids, on the brain's prefrontal cortex, which is crucial for regulating emotions and cravings in individuals with substance use disorders. The study aims to understand how xylazine interacts with opioid receptors and affects brain signaling pathways that contribute to addiction. By using both human studies and preclinical models, the researchers will assess the impact of xylazine on inhibitory transmission in the brain, which may help clarify its role in opioid use disorder. This knowledge could lead to better treatment strategies for those affected by addiction.
Why it matters
Potential benefit: If successful, this research could lead to improved understanding and treatment options for individuals struggling with opioid use disorder.
How similar studies have gone: While the specific effects of xylazine on the brain are not well-studied, research on opioid interactions with brain circuits has shown promising results in understanding addiction.
Where this research is happening
-
University of Pittsburgh at Pittsburgh
Pittsburgh, United States Active
Researchers
- Principal investigator: Joffe, Max E — University of Pittsburgh at Pittsburgh
- Study coordinator: Joffe, Max E
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.