Tested in a condition known as ENPP1 deficiency, the treatment failed a trial goal that’s important to regulators, spurring doubts about its approval prospects.

Tested in a condition known as ENPP1 deficiency, the treatment failed a trial goal that’s important to regulators, spurring doubts about its approval prospects.

BioMarin Pharmaceutical’s enzyme replacement therapy for a rare genetic disorder called ENPP1 deficiency delivered mixed results in a late-stage study.