Genes linked to opioid use and addiction risk in a large, diverse group

Multivariate genome-wide association analysis of opioid-related traits in half a million diverse individuals

['FUNDING_R01'] · UNIVERSITY OF CALIFORNIA, SAN DIEGO · NIH-11506189

Researchers look for genetic differences that help explain why some people try opioids, react differently, or develop opioid use disorder.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF CALIFORNIA, SAN DIEGO (nih funded)
Locations1 site (LA JOLLA, UNITED STATES)
Trial IDNIH-11506189 on ClinicalTrials.gov

What this research studies

This project combines genetic and health data from about half a million people to find DNA differences tied to opioid-related traits. It focuses not only on diagnosed opioid use disorder but also on earlier stages like first opioid use, subjective response to opioids, escalation of use, and the move from problem use to addiction. Scientists will run genome-wide scans across diverse ancestry groups and use advanced statistical methods to find genetic signals associated with these stages. The goal is to make findings that apply to many populations and help explain biological risk.

Who could benefit from this research

Good fit: Ideal participants would include people with genetic or health data—especially those with a history of opioid use, problematic opioid use, or opioid use disorder, and people from diverse ancestral backgrounds.

Not a fit: People without any opioid exposure or whose risk is driven entirely by social or environmental factors may not see direct benefit from genetic findings.

Why it matters

Potential benefit: If successful, this could help identify people at higher genetic risk and guide prevention, more personalized care, or new medication targets.

How similar studies have performed: Large genetic scans have successfully identified risk genes for alcohol and tobacco use, but opioid genetics has produced fewer clear results, so this uses proven GWAS approaches on a harder-to-study problem.

Where this research is happening

LA JOLLA, 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.