1.
Incidence, Risk Factors and Long-Term Outcome of Acute Leukemia Patients with Early Candidemia after Allogeneic Stem Cell Transplantation. A Study by the Acute Leukemia and Infectious Diseases Working Parties of EBMT
Cesaro, S., Tridello, G., Blijlevens, N., Ljungman, P., Craddock, C., Michallet, M., Martin, A., Snowden, J. A., Mohty, M., Maertens, J., et al
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 2018
Abstract
Objectives: To assess the incidence of, and risk factors for, Candida infection in the first 100 days after allogeneic hematopoietic stem cell transplantation (HSCT) and the impact on long-term survival. Methods: outcome analysis of 28,542 acute leukemia patients who underwent HSCT from 2000 to 2012: 347 with candidemia by day +100, and 28,195 without candidemia or any other type of Candida infection. Results: The incidence of candidemia by day +100 was 1.2% (347/28542) and occurred at a median of 22 days after HSCT (range 1-100). A higher 100-day non-relapse-mortality (NRM) (HR 3.0, p <0.0001), and a lower 100-day overall-survival (OS) (HR 2.5, p<0.0001) were observed in patients with candidemia. The case fatality rate by day +100 in patients with candidemia was 22% (76/347). Factors associated with candidemia occurrence were: gender female, bone marrow or cord blood stem cell source, T-cell depletion, use of total body irradiation, and acute graft versus host disease. Among the patients alive at day +100, the 5-year NRM and OS after a median follow-up of 5.6 years (95% CI 5.5 - 5.7) for patients with and without candidemia were 22.5% vs. 13.5%, p <0.0001, and 45.6% vs. 53.4%, p=0.0003, respectively. In multivariate analysis, the occurrence of a candidemia episode by day +100 was an independent risk factor for higher NRM, HR 1.7, p=0.001, and lower OS, HR 1.4, p=0.001. Conclusions: despite the general improvements in prophylaxis and treatment, the early occurrence of candidemia after HSCT is still associated with higher NRM and lower short-and-long-term OS.
2.
Influence of pre-existing invasive aspergillosis on allo-HSCT outcome: a retrospective EBMT analysis by the Infectious Diseases and Acute Leukemia Working Parties
Penack, O., Tridello, G., Hoek, J., Socie, G., Blaise, D., Passweg, J., Chevallier, P., Craddock, C., Milpied, N., Veelken, H., et al
Bone Marrow Transplantation. 2016;51(3):418-23
Abstract
Historically, invasive aspergillosis (IA) has been a major barrier for allogeneic hematopoietic stem cell transplantation (allo-HSCT). The influence of invasive IA on long-term survival and on transplant-related complications has not been investigated in a larger patient cohort under current conditions. Our aim was to analyze the long-term outcome of patients undergoing allo-HSCT with a history of prior IA. We used European Society for Blood and Marrow Transplantation database data of first allo-HSCTs performed between 2005 and 2010 in patients with acute leukemia. One thousand one hundred and fifty patients with data on IA before allo-HSCT were included in the analysis. The median follow-up time was 52.1 months. We found no significant impact of IA on major transplant outcome variables such as overall survival, relapse-free survival, non-relapse mortality, cumulative incidence of acute GvHD grade II-IV, chronic GvHD, pulmonary complications and leukemia relapse. However, we found a trend toward lower overall survival (P=0.078, hazard ratio (HR) (95% confidence interval (CI)): 1.16 (0.98, 1.36)) and higher non-relapse mortality (P=0.150, HR (95% CI): 1.19 (0.94, 1.50)) in allo-HSCT recipients with pre-existing IA. Our data suggest that a history of IA should not generally be a contraindication when considering the performance of allo-HSCT in patients with acute leukemia.