Understanding how brain circuits influence opioid cravings and relapse

Dissecting the role of dorsal hippocampus to nucleus accumbens circuits in opioid seeking behavior

['FUNDING_R01'] · WASHINGTON UNIVERSITY · NIH-11058535

This study is looking at how certain parts of the brain work together when someone is craving opioids, which could help us understand why people sometimes relapse after trying to quit.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorWASHINGTON UNIVERSITY (nih funded)
Locations1 site (SAINT LOUIS, UNITED STATES)
Trial IDNIH-11058535 on ClinicalTrials.gov

What this research studies

This research investigates the brain circuits involved in opioid-seeking behavior, focusing on the dorsal hippocampus and its connection to the nucleus accumbens. By examining how these brain areas interact, the study aims to uncover the mechanisms that lead to drug cravings and relapse after periods of abstinence. The approach includes advanced techniques such as chemogenetic inhibition to manipulate specific neurons and observe their effects on drug-seeking behavior in animal models. This research could provide insights into the emotional and contextual factors that contribute to addiction.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals with a history of opioid use disorder who are currently in recovery or abstinence.

Not a fit: Patients who have not used opioids or those with other substance use disorders unrelated to opioids may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for preventing relapse in individuals recovering from opioid addiction.

How similar studies have performed: Previous research has shown promising results in understanding the neural mechanisms of addiction, suggesting that this approach could yield valuable insights.

Where this research is happening

SAINT LOUIS, 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.