How midlife alcohol use affects dementia risk in twins

Implications of midlife alcohol use for risk of dementia in male and female twins: Unique contributions and interactions with APOE4

NIH-funded research University of Southern California · NIH-10885504

This study is looking at how drinking alcohol in middle age might affect the chances of getting Alzheimer's and related dementias later on, especially in twins, to see how both genes and drinking habits play a role.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Southern California NIH-funded
Lab location1 site (Los Angeles, UNITED STATES)
Project IDNIH-10885504 on NIH RePORTER

What this research studies

This research investigates the impact of alcohol consumption during midlife on the risk of developing Alzheimer's disease and related dementias (ADRD) later in life, particularly focusing on male and female twins. By analyzing data from over 32,000 twins, the study aims to understand how alcohol use interacts with genetic factors, specifically the APOE gene, which is known to influence dementia risk. Participants will provide information about their alcohol consumption patterns and undergo assessments for ADRD, allowing researchers to explore both genetic and environmental influences on dementia risk.

Who could benefit from this research

Good fit: Ideal candidates for this research include male and female twins who have a history of alcohol consumption and are at risk for Alzheimer's disease or related dementias.

Not a fit: Patients who do not have a history of alcohol consumption or those without a familial history of dementia may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better understanding and prevention strategies for dementia, particularly related to alcohol consumption.

How similar studies have performed: Previous research has indicated that modifiable risk factors like alcohol consumption can significantly impact dementia risk, suggesting that this study's approach is both relevant and potentially impactful.

Where this research is happening

Los Angeles, 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.