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( Philippe Rodon ),( Brigitte Pegourie ),( Laurent Garderet ),( Philippe Casassus ),( Olivier Decaux ),( Murielle Roussel ),( Carine Chaleteix ),( Bruno Royer ),( Mourad Tiab ),( Xavier Leleu ),( Clai 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: Although infection is a major complication of multiple myeloma (MM), there are few data on its incidence, presentation and outcome. We reviewed severe infections occurring in the IFM 2009 01 protocol. Methods: The IFM 2009 01 protocol evaluated a combination of bendamustine, bortezomib and dexamethasone (BVD) in the treatment of elderly patients (65 years or more) with a relapsed or refractory (RR) MM (Rodon P. et al, Blood 2013;122:1971A). Patients did not receive any prophylactic antibiotics. All adverse events were collected and graded prospectively. We report here an analysis of the episodes of severe infection (grade 3 or more). Results: Seventy-three patients were included. The median age was 75.8 years (range 66-86). Twenty episodes of grade 3 or more infection occurred in 17 patients (23.2%): lung and respiratory tract infection 13 episodes, bloodstream infection 6 episodes and pyelonephritis 1 episode, respectively. Fourteen episodes were diagnosed in the early phase of therapy (within the 4 fi rst BVD cycles). Only 1 severe infection underwent during a chemotherapy-induced neutropenic phase (absolute neutrophil count < 1000/mm3). fifteen episodes occurred among 34 patients older than 75 years versus 5 episodes in 39 younger patients (p=0.0028). Sepsis was responsible of death in 4 of these 17 patients (23.5%), all occurring in the early phase. Conclusions: Infection was a major severe adverse event in elderly patients treated for RRMM in the IFM 2009 01 protocol, occurring in approximately one quarter of the patients. Its incidence was signifi cantly higher in patients older than 75 years. Severe episodes of infection mainly occurred in the early phase of treatment. Mortality rate was high. These fi ndings suggest that a systematic prophylactic use of antibiotics may be needed in this population of patients.