Inclusion Criteria:

- Patient Is 20 Years Of Age Or Older.

- Patient Has An Established Diagnosis Of Multiple Myeloma Based On The Myeloma
Diagnostic Criteria

- Patient Has Received At Least 1 But Not More Than 3 Prior Anti-Myeloma Regimens And
Has Progressive Disease After The Most Recent Treatment Regimen

- Patient Must Have Adequate Organ Function

Exclusion Criteria:

- Patient Has Had A Prior Allogeneic Bone Marrow Transplant Or Plans To Undergo Any
Type Of Bone Marrow Transplantation During The Study

- Patient Has Known Hypersensitivity To Any Components Of Bortezomib Or MK0683

- Patient Has Active Hepatitis B Or C, Plasma Cell Leukemia, Or Is Hiv Positive

- Patient Has Had Prior Treatment With MK0683 Or Hdac Inhibitors