Mallinckrodt plc announced that it has successfully completed the rolling submission of a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) to seek approval of its recently acquired developmental product stannsoporfin. If approved, the drug is expected to become the first and only pharmacologic option in the U.S. indicated for treatment of neonates at risk for developing severe hyperbilirubinemia, or severe jaundice.