Ionis Plans NDA for Triglyceride Drug

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Ionis Pharmaceuticals says it will file an NDA early next year after reporting Phase 3 topline results of olezarsen in people with familial chylomicronemia syndrome (FCS). The company says the trial met its primary efficacy endpoint with a statistically significant reduction in triglyceride levels with the olezarsen 80 mg monthly dose at six months compared to placebo. Additional results showed triglyceride lowering continued to improve at 12 months, and the drug showed a 100% reduction in acute pancreatitis events compared to placebo (0 events for olezarsen versus 11 events for placebo), which was a key secondary endpoint.

If approved, Ionis says olezarsen would be the first treatment in the U.S. for FCS, a rare, debilitating genetic disease that can lead to acute, potentially fatal pancreatitis attacks. FDA granted olezarsen a fast track designation for the indication earlier this year.

Olezarsen is described as a ligand conjugated antisense drug that is designed to inhibit the body’s production of apoC-III, a protein produced in the liver that regulates triglyceride metabolism in the blood.

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