RMTg GABA neurons and opioid use disorder in veterans
Official title: Influence of rostromedial tegmental nucleus GABA neurons in opioid use disorder
Funded at Oklahoma City VA Medical Center · NIH-11300741 · Data updated 2026-11-12
This project studies a brain pathway (RMTg to VTA) that may control opioid use behavior, with a focus on aging and veterans who receive opioids.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Oklahoma City VA Medical Center NIH-funded |
| Lab location | 1 site (Oklahoma City, United States) |
| Project start | April 1, 2026 |
| Project end | March 31, 2030 |
| Funding year | 2026 |
| NIH project number | 2I01RD001498-05A1 |
| Project ID | NIH-11300741 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates are veterans and adults with opioid use disorder or at-risk individuals, particularly those affected by aging and changes in reward circuitry.
✕Less likely to help
Individuals without opioid use disorder or those not affected by aging-related brain changes may be less likely to benefit.
What this research studies
Researchers will study how GABA neurons in the rostromedial tegmental nucleus influence opioid intake and relapse, using mouse models and aging as key factors. They aim to understand why older individuals may self-administer more opioids and how stimulating this brain area could reduce intake and prevent relapse. The work builds on preliminary findings showing age-related changes in brain reward circuits and altered opioid responses. Findings could point to future ways to modulate brain circuits to help people with opioid use disorder, especially in veterans.
Why it matters
Potential benefit: If successful, the work could inform new brain-based strategies to reduce opioid use and prevent relapse in people with opioid use disorder.
How similar studies have gone: Previous basic studies suggest RMTg and VTA circuits influence opioid-related behaviors, but targeted aging-related mechanisms remain underexplored.
Where this research is happening
-
Oklahoma City VA Medical Center
Oklahoma City, United States Active
Researchers
- Principal investigator: Beckstead, Michael J — Oklahoma City VA Medical Center
- Study coordinator: Beckstead, Michael J
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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.