Tag

Pharmacogenomics

All articles tagged with #pharmacogenomics

Hype vs. reality: doctors critique three buzzy medical breakthroughs
health1 month ago

Hype vs. reality: doctors critique three buzzy medical breakthroughs

Three buzzy medical breakthroughs—Shield blood test for colorectal cancer, at-home Alzheimer’s biomarker tests, and GeneSight pharmacogenomic tests—are drawing attention, yet doctors warn they don’t live up to hype: Shield misses many early cancers and precancerous polyps, at-home Alzheimer’s tests can yield false positives and anxiety without proper clinical oversight, and GeneSight can’t replace clinical judgment or trial-and-error in finding the right medication.

Genes help explain why obesity drugs work differently for people
health6 months ago

Genes help explain why obesity drugs work differently for people

Nature reports a study of nearly 28,000 23andMe users who used obesity drugs, linking a GLP-1 receptor gene variant to greater weight loss (about 0.76 kg per copy, ~1.5 kg for two copies) over a median of 8 months, and other variants to higher risk of side effects like nausea. Overall genetic effects on weight loss are modest, but associations with adverse effects are stronger; findings come from self-reported data and are not yet ready to guide clinical practice.

Genes Partly Predict Response to GLP-1 Weight-Loss Shots
science6 months ago

Genes Partly Predict Response to GLP-1 Weight-Loss Shots

Scientists analyzed data from 27,885 patients taking GLP-1 obesity drugs and found two gut-hormone gene variants may partly explain why weight loss and side-effects vary: rs10305420 is linked to slightly more weight loss, while rs1800437 is linked to nausea with tirzepatide. But the genetic contribution is modest; non-genetic factors like sex, drug type, dose, and duration explain much more of the variability, so genetics are not yet ready to guide routine treatment, though the findings could inform future precision approaches.