OPKO (OPK) BLA Review for Growth Hormone Deficiency Drug Delayed Posted byZacks Equity Research September 27, 2021 Leave a comment on OPKO (OPK) BLA Review for Growth Hormone Deficiency Drug Delayed The FDA extends the PDUFA action date for OPKO (OPK)/Pfizer’s BLA for somatrogon to treat pediatric patients with growth hormone deficiency. The revie…