Investigating how certain brain connections respond to opioids.

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

['FUNDING_R21'] · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · NIH-10870138

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

Phase['FUNDING_R21']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF CALIFORNIA, SAN FRANCISCO (nih funded)
Locations1 site (SAN FRANCISCO, UNITED STATES)
Trial IDNIH-10870138 on ClinicalTrials.gov

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.

Who could benefit from this research

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

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

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 performed: 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

SAN FRANCISCO, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.