Genetic links between alcohol or opioid problems and depression

Genetic architecture of substance use disorders and major depression

NIH-funded research Philadelphia VA Medical Center · NIH-11132714

Researchers are looking for genes that may help explain why some people, especially Veterans, have both alcohol or prescription opioid problems and major depression.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionPhiladelphia VA Medical Center NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-11132714 on NIH RePORTER

What this research studies

From my point of view, the team uses genetic data and health records from a large Veteran cohort to compare people with alcohol use disorder or prescription opioid use disorder, with and without major depressive disorder. They refine how they define substance problems so people are grouped more consistently and then look for shared genetic patterns. By analyzing many well-defined cases and controls and applying methods to probe causal relationships, they aim to identify genetic pathways that link addiction and depression. The project also focuses on including people of African ancestry to make the findings more broadly applicable.

Who could benefit from this research

Good fit: Ideal participants are U.S. Veterans with a history of alcohol use disorder or prescription opioid use disorder, with or without major depressive disorder, who can provide genetic data and access to their medical records.

Not a fit: People without substance use or depressive disorders, non-Veterans, or those unwilling to share genetic samples or medical records are unlikely to directly participate or benefit.

Why it matters

Potential benefit: If successful, this work could reveal biological risk factors that help with better prediction, prevention, or more targeted treatments for people with co-occurring substance use disorders and depression.

How similar studies have performed: Previous large genetic studies have identified risk variants for addiction and for depression separately, but combining refined case definitions to explain their co-occurrence—especially in Veterans and people of African ancestry—is relatively new.

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.
Last reviewed 2026-06-13 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.