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Safety of injectable semaglutide for type 2 diabetes.

Rajesh PeterStephen C Bain
Published in: Expert opinion on drug safety (2020)
Semaglutide is the most powerful injectable GLP-1RA. The cardiovascular (CV) outcome trial (SUSTAIN 6) showed CV superiority and its adverse event profile is as expected for the GLP-1RA class with predominantly gastrointestinal side-effects. Concerns about the thyroid and pancreatic safety have not been substantiated. There is no indication of renal or liver harm for semaglutide. Data consistent with reno-protection and benefit in liver disease is presented. There is a modest signal for increased gall bladder adverse events. An increase in diabetic retinopathy (DR) events in the SUSTAIN 6 trial is the most concerning safety signal. Caution regarding DR is needed when initiating semaglutide and recommendations are suggested.
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