How the body's cannabis-like system (endocannabinoids) affects alcohol problems and withdrawal pain

Endocannabinoid Mechanisms in the Pathophysiology of Alcohol Use Disorders

NIH-funded research Northwestern University · NIH-11324549

Looks at whether boosting a natural brain chemical called 2-AG can reduce the extra pain people with alcohol use disorder feel during withdrawal.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionNorthwestern University NIH-funded
Lab location1 site (Chicago, United States)
Project IDNIH-11324549 on NIH RePORTER

What this research studies

Researchers will use mouse models that mimic alcohol withdrawal and increased pain, then give drugs that raise levels of the natural brain chemical 2-AG to see if pain is reduced. They will test whether these pain-reducing effects work through the brain's cannabinoid receptors (CB1 and CB2) and will study changes in the amygdala, a brain region tied to emotion and pain. The team will also lower 2-AG in some experiments to see if that makes withdrawal pain worse, helping clarify whether 2-AG normally counteracts withdrawal-related pain. Results will help decide if targeting 2-AG is a promising path toward treatments for people with alcohol use disorder and co-occurring pain.

Who could benefit from this research

Good fit: Adults with alcohol use disorder who experience increased pain during withdrawal, especially those with long-term or chronic pain, would be the most likely candidates for future treatments based on this work.

Not a fit: People without alcohol use disorder, or those whose withdrawal does not involve increased pain, are unlikely to benefit from this approach.

Why it matters

Potential benefit: If successful, this work could lead to new treatments that ease withdrawal-related pain and lower the chance of relapse for people with alcohol use disorder.

How similar studies have performed: Animal studies and some clinical reports on cannabis-related pain relief support the concept, but applying 2-AG targeting to alcohol-withdrawal pain is mainly experimental and supported by preclinical data.

Where this research is happening

Chicago, 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.
Last reviewed 2026-06-15 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.