https://medicalxpress.com/news/2017-04-early-glycemic-metformin-cvd-events.html
(HealthDay)—For patients with type 2 diabetes who initiate metformin, early achievement of low hemoglobin A1c (HbA1c) is associated with a reduction in the subsequent risk of cardiovascular events or death, according to a study published online April 12 in Diabetes Care.
The researchers found that, compared with a target HbA1c of <6.5 percent, the risk of a combined outcome event (acute myocardial infarction, stroke, or death) increased gradually with increasing levels of HbA1c achieved (adjusted hazard ratios, 1.18 for 6.5 to 6.99 percent; 1.23 for 7.0 to 7.49 percent; 1.34 for 7.5 to 7.99 percent, and 1.59 for ≥8 percent). Outcome was also predicted by a large absolute HbA1c reduction from baseline (adjusted hazard ratio, 0.80 for Δ = −4, compared with no change [Δ = 0]).
"A large initial HbA1c reduction and achievement of low HbA1c levels within six months after metformin initiation are associated with a lower risk of cardiovascular events and death in patients with type 2 diabetes," the authors write.
Several authors disclosed financial ties to Novo Nordisk, which partially funded the study.
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