Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) today announced the U.S. Food and Drug Administration (FDA) has accepted for Priority Review the supplemental Biologics License Application (sBLA) for Evkeeza (evinacumab-dgnb) as an adjunct to other lipid-lowering therapies to treat children aged 5 to 11 years with homozygous familial hypercholesterolemia (HoFH).

The FDA target action date is March 30, 2023.

HoFH is an ultra-rare inherited condition that affects approximately 1,300 patients in the U.S. and is the most severe form of familial hypercholesterolemia (FH). The disease occurs when two copies of the FH-causing genes are inherited, one from each parent, resulting in dangerously high levels (usually >400 mg/dL) of low-density lipoprotein-cholesterol (LDL-C or bad cholesterol). Those living with HoFH are at risk for premature atherosclerotic disease and cardiac events even in their teenage years.

The sBLA is supported by data from a three-part trial evaluating Evkeeza in children aged 5 to 11 years with HoFH. Efficacy was assessed in 14 children enrolled in the Part B portion of the trial. Despite treatment with other lipid-lowering therapies, these children entered the trial with an average LDL-C level of 264 mg/dL, more than twice the target (

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