- To determine the 2 year-progression free survival in multiple myeloma with an allogeneic transplant using a conditioning regimen of melphalan + fludarabine + Bortezomib in patients < 60 years of age and available HLA-matched donor and compare it with the 2 year-progression-free-survival after an autologous stem cell transplant with melphalan+Bortezomib conditioning in patients < 60 years.