Abstract
Objective: To investigate the clinical features and survival of multiple myeloma-associated amyloidosis patients. Methods: Twenty three multiple myeloma-associated amyloidosis patients were retrospectively analyzed from January 2009 to December 2016. Results: The overall response rate(ORR)was 65.2% and the remission rate (sCR+ CR) was 21.7%. The median progression-free survival(PFS) was fourteen months(1-63), and the median overall survival(OS)was fifteen months(3-63). The early death rate (death rate within one year)was 33.3%. The median OS of patients(n=9)with the performance status(PS) score >2 was seven months(1-15), and the median OS of patients(n=14)with the PS score ≤2 was thirty months(10-63). There was a statistically significant difference in OS(P<0.05); the median PFS and OS of the patients (n=15) who responded to inductive treatment were seventeen months(2-63) and twenty four months (4-63)respectively, and the median PFS and OS of the patients (n=8)who did not respond to inductive treatment were three months(1-8) and eleven months (3-15) respectively. There was a statistically significant difference in PFS and OS(P<0.05). There was a statistically significant difference in PFS and OS between patients treated with remission (n=5)and those who did not(n=18) (P<0.05). Conclusions: The multiple myeloma-associated amyloidosis patients had a high early death rate and short survival time. Early identification and effective treatment are the preconditions for improving the poor prognosis.
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