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Lilly Pill Helps Maintain Weight Loss in Trial After Switch From Injectables
Eli Lilly’s oral GLP-1 pill maintained weight loss in over 300 obesity patients for 52 weeks, regaining only 2 pounds from Wegovy and 11 from Zepbound, the phase three trial showed.
On Thursday, Eli Lilly & Co. said orforglipron, the daily oral GLP-1 pill, helped patients maintain most weight loss after switching from Wegovy and Zepbound, with the ATTAIN-MAINTAIN trial meeting its primary endpoint.
Many patients who stop injectable GLP-1 shots often regain substantial weight, and Eli Lilly & Co. recently filed for FDA approval of orforglipron, receiving a priority review voucher in November.
The phase three trial followed more than 300 patients after 72 weeks of injections, then randomized them to orforglipron or placebo for 52 weeks, with weight maintained near 95.9 kg despite small rebounds.
Lilly said overall safety and tolerability matched prior studies, with no liver safety issues observed and discontinuation rates 4.8% and 7.2% due to generally mild-to-moderate gastrointestinal side effects.
Analysts expect Lilly may capture a 60% share or roughly $13.6 billion of the 2030 market, with pills priced at $150 per month, while Novo Nordisk's oral may reach market first.