[Multiple myeloma: response to treatment and survival of patients according to the interim analysis of the Russian observational, retrospective-prospective, multicenter cohort study (MULTISPECT)].

The variety of therapy regimens used to treat MM in actual clinical practice may be due to the factors of availability of new medicines and updated recommendations for the treatment of the disease. Further, in the context of this study, a more detailed analysis of the efficacy of certain therapy regimens in the 1st and later lines on progression free survival and overall survival of MM patients should be carried out.