It is prescribed under the brand name Oxsoralen-Ultra (methoxsalen) Capsules, USP, 10mg.
Oxsoralen-Ultra, in combination with a special type of phototherapy called PUVA (Psoralen plus UVA light) therapy, has been shown to improve severe, recalcitrant, disabling psoriasis, the company said.
Valeant Dermatology senior vice president and general manager David Mullarkey said the approval enables them to ensure a steady supply of Oxsoralen-Ultra.