Carfilzomib Development Strategy: Onyx Pharmaceuticals Announces Agreement with the FDA on a Special Protocol Assessment for Planned Phase 3 Carfilzomib Combination Trial in Relapsed Multiple Myeloma http://www.onyx-pharm.com/view.cfm/658/Onyx-Pharmaceuticals-Announces-Agreement-with-the-FDA-on-a-Special-Protocol-Assessment-for-Planned-Phase-3-Carfilzomib-Combination-Trial-in-Relapsed-Multiple-Myeloma-