This record provides bibliographic details and links to the original research. An editorial study breakdown is not available.
What the researchers found
Genetic variants mimicking GLP-1 and GIP receptor activation were linked to reduced binge drinking and heavy drinking with psychiatric comorbidities, but showed no effect on tobacco, cannabis, or opioid use disorders.
Why it matters
This genetic approach simulates the long-term effects of GLP-1/GIP drugs and suggests they may specifically reduce problematic alcohol use through appetite and metabolic pathways, not through a general effect on all addictive behaviors.
The numbers in context
Binge drinking: beta = -0.44 (95% CI -0.72 to -0.15, p = 0.0024). Heavy drinking with psychiatric comorbidities: OR = 0.62 (95% CI 0.45-0.85, p = 0.0031). NAFLD: beta = -0.34 (p = 0.0000274). No significant effects on tobacco, cannabis, or opioid use.
How the study worked
Drug-target Mendelian randomization using genetic variants at GLP1R and GIPR loci. Multi-ancestry analysis. Multiple MR methods and colocalization analyses for robustness. Mediation analysis for cardiovascular effects.
Who was studied
Multi-ancestry populations from genome-wide association studies
What this study cannot tell us
Genetic proxies simulate lifetime exposure, not short-term drug treatment. Cannot determine optimal dose or duration. Population-level estimates may not apply to individual patients. Observational genetic design cannot fully prove causation.
Read the original research
Genetically modeled GLP1R and GIPR agonism reduce binge drinking and alcohol-associated phenotypes: a multi-ancestry drug-target Mendelian randomization study.
Molecular psychiatry, 30(12), 6119-6133
Citation
Reitz, Joshua; Rosoff, Daniel B; Perlstein, Tyler; Wagner, Alexandra; Jung, Jeesun; Wagner, Josephin; Reiner, Benjamin C; Lohoff, Falk W. (2025). Genetically modeled GLP1R and GIPR agonism reduce binge drinking and alcohol-associated phenotypes: a multi-ancestry drug-target Mendelian randomization study.. Molecular psychiatry, 30(12), 6119-6133. https://doi.org/10.1038/s41380-025-03199-3