NIH-funded research R21 grant

Investigating how certain brain connections respond to opioids.

Official title: A highly opioid responsive VTA projection to the dorsal endopiriform nucleus.

Funded at University of California, San Francisco · NIH-10870138 · Data updated 2026-11-12

This study is looking at a part of the brain that helps us understand how opioids affect our feelings and actions, and it’s for anyone interested in learning more about addiction and how these drugs influence our behavior.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Francisco
NIH-funded
Lab location1 site (San Francisco, United States)
Project startJuly 1, 2023
Project endJune 30, 2025
Funding year2024
Award (this year)$201,875
NIH project number5R21DA057522-02
Project IDNIH-10870138 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research would include individuals with a history of opioid use or those affected by addiction-related disorders.

Less likely to help

Patients who do not use opioids or have no history of substance use disorders may not benefit from this research.

What this research studies

This research explores the dorsal endopiriform nucleus (DEn), a brain region linked to consciousness and behavior, particularly its response to opioids. The study focuses on a specific projection from the ventral tegmental area (VTA) to the DEn, which has shown a strong reaction to opioid stimulation. By mapping these connections and understanding their role in behavior and sensory processing, the research aims to uncover new insights into how opioids affect the brain. This could lead to a better understanding of addiction and reward mechanisms.

Why it matters

Potential benefit: If successful, this research could enhance our understanding of opioid effects on the brain, potentially leading to improved treatments for addiction and related disorders.

How similar studies have gone: While this research explores a novel approach, previous studies have shown success in understanding opioid mechanisms in other brain regions.

Where this research is happening

  • University of California, San Francisco
    San Francisco, United States
    Active

Researchers

  • Principal investigator: Margolis, Elyssa — University of California, San Francisco
  • Study coordinator: Margolis, Elyssa

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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.
Last reviewed 2026-11-14 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.