australia transplantation National Center for Biotechnology Information NCBI NLM MEDLINE chemotherapy humans pubmed abstract nih national institutes of health national library of medicine treatment outcome research support non-u.s. gov't female male aged middle aged Comparative Study risk factors Clinical Trial Phase III Randomized Controlled Trial Multicenter Study Proportional Hazards Models time factors autologous disease progression antineoplastic combined chemotherapy protocols / adverse effects disease-free survival prednisone / adverse effects kaplan-meier estimate maintenance chemotherapy dexamethasone / therapeutic use antineoplastic combined chemotherapy protocols / therapeutic use* cyclophosphamide / therapeutic use adjuvant italy Melphalan / therapeutic use antonio palumbo lenalidomide multiple myeloma / mortality thalidomide / adverse effects thalidomide / analogs & derivatives* thalidomide / therapeutic use pmid:26596670 doi:10.1016/s1470-2045(15)00389-7 francesca gay stefania oliva czech republic hematopoietic stem cell transplantation* / adverse effects hematopoietic stem cell transplantation* / mortality multiple myeloma / diagnosis multiple myeloma / therapy* prednisone / therapeutic use*