NIH-funded research R01 grant

Understanding withdrawal circuits in opioid use disorder and how to interrupt relapse

Official title: Dissecting the role of thalamic withdrawal-encoding ensembles in opioid use disorder

Funded at Washington State University · NIH-11447945 · Data updated 2026-11-12

Researchers are studying specific brain circuits related to withdrawal in opioid use disorder to identify targets that could help prevent relapse.

More Opioid Use research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionWashington State University
NIH-funded
Lab location1 site (Pullman, United States)
Project startAugust 1, 2026
Project endMay 31, 2031
Funding year2026
Award (this year)$604,683
NIH project number1R01DA064823-01A1
Project IDNIH-11447945 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are individuals with opioid use disorder who may benefit from future therapies targeting withdrawal-related brain circuits and researchers may recruit participants in subsequent translational work.

Less likely to help

Individuals without opioid use disorder or those not involved in related future trials may not directly benefit.

What this research studies

This project uses a heroin self-administration model to map which thalamic neurons turn on during withdrawal and how they influence seeking behavior. By using advanced viral TRAP technology, the team aims to access and study the genetic identity of these neurons to understand how withdrawal drives cravings. The goal is to uncover actionable targets that could lead to new treatments capable of breaking the withdrawal-relapse cycle. The work is designed to translate basic brain mechanisms into strategies that might improve long-term recovery for people with OUD.

Why it matters

Potential benefit: If successful, the research could guide new therapies that reduce withdrawal-driven craving and relapse in people with opioid use disorder.

How similar studies have gone: Previous work has linked withdrawal states to specific brain circuits, and this project builds on those findings with a more targeted neural approach.

Where this research is happening

  • Washington State University
    Pullman, United States
    Active

Researchers

  • Principal investigator: Giannotti, Giuseppe — Washington State University
  • Study coordinator: Giannotti, Giuseppe

Related research

Other NIH-funded projects on the same topics.

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.