Bortezomib/Dexamethasone (BD), Followed By Autologous Stem Cell Transplantation and Maintenance Bortezomib/Dexamethasone For the Initial Treatment of Monoclonal Immunoglobulin Deposition Disease (MIDD) Associated With Multiple Myeloma and AL Amyloidosis

"The treatment has three phases:~1\) Initial treatment phase: This phase consists of 1-3 21-day-cycles of a combination regimen that includes bortezomib 1.3 mg/m2, IV or Subcutaneous Injection (SQ), on days 1, 4, 8, and 11; and dexamethasone 40 mg PO or IV, on days 1, 4, 8, and 11. Stem cell mobilization and HDM/ASCT. Post-ASCT consolidation/maintenance treatment phase: This phase consists of six cycles of bortezomib 1.3 mg/m2, IV or (SQ) with dexamethasone 20 mg PO or IV administered on days 1, 8, 15, and 22 every 12 weeks +/- 2 weeks. Long Term Follow Up will cease when all patients on study have fulfilled the requirements for at least five follow up appointments."