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Aug 23, 2026
A retrospective cohort study of 14,118 matched pairs found tirzepatide associated with lower risks of stroke and death than other GLP-1 receptor agonists in patients with atrial fibrillation and type 2 diabetes. Absolute differences were 2.1 percentage points for stroke and 6.2 for mortality at one year. Randomized trials are needed before recommendations change.
Mar 26, 2026
New research reveals metformin regulates blood sugar through brain pathways involving the Rap1 protein in the hypothalamus. The study shows suppressing Rap1 in the brain prevents metformin from lowering blood sugar in diabetic mice. These findings could lead to new diabetes treatments targeting this brain pathway.
Mar 06, 2026
Zealand Pharma's petrelintide achieved up to 10.7% average weight loss after 42 weeks in a 493-patient phase 2 trial, with placebo-like tolerability but lower efficacy than competing amylin drugs, causing Zealand shares to drop 34%.
Feb 13, 2026
A study published in JAMA Cardiology found that semaglutide would be cost-effective for secondary cardiovascular disease prevention in U.S. adults with overweight or obesity at an 18% price reduction or at the current cash price of $5,988 annually.
