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Amid the rapid rise in semaglutide usage, a study has suggested a potential risk of a rare eye condition associated with the weight loss drug. Semaglutide, a glucagon-like peptide 1 receptor agonist (GLP-1 RA), is available under the brand name Ozempic (by Novo Nordisk) in a lower-dose form for managing type 2 diabetes mellitus (T2DM), and as Wegovy (also by Novo Nordisk) in a higher-dose form for weight management in patients with high body mass indexes. Anecdotal evidence has indicated that semaglutide might be linked to nonarteritic anterior ischemic optic neuropathy (NAION). To investigate this potential connection, researchers in the United States analysed data over a six-year period from nearly 17,000 neuro-ophthalmology patients at Massachusetts Eye and Ear Hospital in Boston, Massachusetts, all of whom had no prior history of NAION.

Kent and Medway prescribe the highest number of semaglutide, liraglutide and tirzepeptide - drugs that are commonly used for treating type 2 diabetes, weight loss, or both - in the UK, according to recent research by Click Pharmacy. Called GLP-1 agonists, these drugs mimic the effects of the GLP-1 hormone, which is released by the body after eating. This hormone slows digestion, stimulates insulin release, and inhibits glucagon, a hormone that raises blood sugar, making GLP-1 agonists effective treatments for diabetes and weight management. The online pharmacy's research reveals that Kent and Medway prescribed the most of these drugs in the month of June 2024, with 6,326 prescriptions. Other NHS Integrated Care Boards (ICBs) with high prescription rates included: Black Country and West Birmingham (5,019) Hampshire, Southampton, and Isle of Wight (4,960) Birmingham and Solihull (4,775) North Central London (4,528) North East London (3,557) North West London (3,498) Cambridgeshire and Peterborough (2,973) Coventry and Warwickshire (2,912) Norfolk and Waveny (2,575) Brighton and Hove topped the list for prescribing Wegovy, a weight-loss drug containing semaglutide, with 35 prescriptions made out in June alone.