Overview PS-341 (VELCADEā¢) Versus High-Dose Dexamethasone in Patients With Relapsed or Refractory Multiple Myeloma Status: Completed Trial end date: 2004-12-01 Target enrollment: Participant gender: Summary This study will compare the efficacy of PS-341 versus high dose dexamethasone. Phase: Phase 3 Details Lead Sponsor: Millennium Pharmaceuticals, Inc.Treatments: BB 1101BortezomibDexamethasoneDexamethasone 21-phosphateDexamethasone acetate