Understanding brain changes after morphine use and withdrawal

Single-nucleus transcriptomics in rat striatum following morphine administration and withdrawal

['FUNDING_R21'] · UNIVERSITY OF PENNSYLVANIA · NIH-10906736

This study looks at how morphine affects certain brain cells in rats to better understand why people with opioid addiction often relapse, with the hope of finding new ways to help those struggling with this condition.

Quick facts

Phase['FUNDING_R21']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF PENNSYLVANIA (nih funded)
Locations1 site (PHILADELPHIA, UNITED STATES)
Trial IDNIH-10906736 on ClinicalTrials.gov

What this research studies

This research investigates how morphine affects specific brain cells in rats, particularly focusing on the striatum, a region involved in drug-seeking behavior. By using advanced techniques to analyze gene expression at the single-cell level, the study aims to uncover the biological mechanisms that contribute to opioid use disorder (OUD) and the high rates of relapse after detoxification. The findings could lead to new treatment targets for OUD by identifying how different types of brain cells respond to morphine. This research is crucial for developing more effective therapies for individuals struggling with opioid addiction.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals over 21 years old who are experiencing opioid use disorder or are in recovery.

Not a fit: Patients who are not affected by opioid use disorder or are under 21 years old may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to innovative treatments that reduce relapse rates in patients with opioid use disorder.

How similar studies have performed: Previous studies using similar single-nucleus RNA sequencing techniques have shown promising results in understanding brain responses to opioids, indicating potential for success in this research.

Where this research is happening

PHILADELPHIA, 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.