How the Gadd45b gene drives cocaine-related brain changes and behavior

Role of Gadd45b in Cocaine-driven Epigenetic and Behavioral Dynamics

['FUNDING_R01'] · UNIVERSITY OF ALABAMA AT BIRMINGHAM · NIH-11310190

This project looks at whether a brain protein called Gadd45b causes lasting DNA changes in reward circuits after cocaine use, with the aim of helping people affected by stimulant addiction.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF ALABAMA AT BIRMINGHAM (nih funded)
Locations1 site (BIRMINGHAM, UNITED STATES)
Trial IDNIH-11310190 on ClinicalTrials.gov

What this research studies

Researchers will study how Gadd45b affects DNA methylation and gene activity in neurons of the nucleus accumbens, a brain region linked to reward and addiction. They will use laboratory models that mimic cocaine exposure to measure molecular changes and related behaviors. Methods include bisulfite-based DNA sequencing to map methylation changes and behavioral assays to connect those changes to drug-related memory and actions. The team aims to reveal how Gadd45b creates persistent brain adaptations that could be targeted by future therapies.

Who could benefit from this research

Good fit: Adults with a history of cocaine or other stimulant use disorders would be most relevant to the goals of this research.

Not a fit: People without stimulant exposure or those seeking immediate clinical treatment are unlikely to get direct benefit from this preclinical work.

Why it matters

Potential benefit: If successful, this work could identify new molecular targets for medications or other therapies to reduce cocaine craving and relapse.

How similar studies have performed: Prior laboratory studies show Gadd45b is upregulated after cocaine and affects cocaine-related memory in animals, but translating this into human treatments is still untested.

Where this research is happening

BIRMINGHAM, 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.