Overview Apremilast Safety and PK Study in Recalcitrant Plaque Psoriasis Status: Completed Trial end date: 2009-05-01 Target enrollment: Participant gender: Summary The study will test the safety and tolerability of Apremilast twice a day in participants with recalcitrant plaque type psoriasis. Phase: Phase 2 Details Lead Sponsor: AmgenCelgene CorporationTreatments: ApremilastThalidomide