BioMarin Provides Update on Phase 3 Trial for BMN 401 in Children Aged 1-12 With ENPP1 Deficiency

ENERGY 3 study met 1 of 2 co-primary endpoints in children with ENPP1 deficiency Treatment with BMN 401 led to statistically significant increases in plasma inorganic pyrophosphate (PPi) concentration, one of the study's co-primary endpoints; however, no improvement was observed in Radiographic Global Impression of Change (RGI-C) scores, the study's other co-primary endpoint and an important clinical measure of change in rickets severity Company is evaluating data to determine next steps SAN RAFAEL, Calif., May 18, 2026 /PRNewswire/ -- BioMarin Pharmaceutical Inc. (Nasdaq: BMRN) today announced results from the pivotal Phase 3 ENERGY 3 trial evaluating BMN 401 in children aged 1-12 with ENPP1 deficiency, a rare, serious and progressive genetic condition.