Ionis' Tryngolza Cuts Triglyceride Levels in Late-Stage Study

Core Insights - Ionis Pharmaceuticals announced positive top-line results from the phase III ESSENCE study for its drug Tryngolza, targeting moderate hypertriglyceridemia in patients at risk for atherosclerotic cardiovascular disease (ASCVD) [1][2] - The study achieved its primary endpoint, showing a statistically significant reduction in triglyceride (TG) levels, with reductions of 61% and 58% for 80 mg and 50 mg monthly doses, respectively [2] - A majority of participants in the study had their TG levels fall within the normal range (<150 mg/dL) post-treatment, and the drug met all key secondary endpoints [3] Recent Developments - Tryngolza received FDA approval for treating familial chylomicronemia syndrome (FCS), marking it as the first approved treatment for this rare genetic condition in the U.S. and Ionis' first independent commercial launch [4] - Ionis out-licensed ex-U.S. rights for Tryngolza to Sweden-based Sobi, which will handle future regulatory filings and commercialization outside the U.S. [5] - The drug is also being evaluated for severe hypertriglyceridemia (sHTG) in two late-stage studies, with data expected in Q3 2025 [6][7] Financial and Revenue Streams - Ionis has a diverse revenue stream through collaborations with major pharmaceutical companies like AstraZeneca, Biogen, GSK, and Novartis, providing funds for its development pipeline [10] - The company earns commercial revenues from royalties on Spinraza, which treats spinal muscular atrophy, and is also involved in marketing Qalsody for amyotrophic lateral sclerosis [11] - Recent approvals for drugs like Wainua and ongoing studies for other candidates could further enhance Ionis' revenue and reduce reliance on collaboration partners [12][14]