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Two of the most closely watched pipeline readouts in obesity pharmacology are now in. After REDEFINE 4 (CagriSema vs tirzepatide) and TRIUMPH-1 (retatrutide), it is finally possible to draw a real competitive map. This post scores each drug on what the data actually shows.
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The headline weight-loss percentages from liraglutide, semaglutide, and tirzepatide trials look like a straight-line march of progress. They are not. Inclusion criteria have shifted systematically over a decade, changing who gets enrolled and for how long - making cross-trial comparisons unreliable without a head-to-head.
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GLP-1 weight loss drugs Wegovy® (semaglutide) and Zepbound® (tirzepatide) from Novo Nordisk and Eli Lilly hit markets like a tsunami, when they were approved in June 2021 and November 2023 , due to their unprecedented weight-loss efficacy 🌊 The next waves might not be as colossal, but they still hol
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Novo Nordisk has gained market share in diabetes (29.2%), GLP-1 (49.9%) and insulin (44.5%).
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The FDA has issued a press release regarding the approval of the first oral GLP-1 treatment for type 2 diabetes. Novo Nordisk also issued a press release on Rybelsus®. Novo Nordisk in the US issued a separate press release. In terms of future peak sales this might be the most important FDA approval