P483 Invasive fungal infection in hematopoietic stem cell transplant recipient from an Indian oncology setting

Abstract Poster session 1, September 21, 2022, 12:30 PM - 1:30 PM Objectives Invasive fungal infections (IFI) are one of the major causes of morbidity and mortality in post-hematopoietic stem cell transplant (HSCT) recipients. Data from India are limited. The objective was to analyze the incidence, risk factors, and outcomes associated with IFI in our center. Methods Adult patients, who underwent marrow/stem cell transplantation between 2014-2018, in an oncology center in India, were included in this retrospective observational study. The revised consensus definition of IFI by the European Organization for Research and Treatment of Cancer/Invasive Fungal Infections Cooperative Group and the National Institute of Allergy and Infectious Diseases Mycoses Study Group (EORTC/MSG) in 2008, was considered to define cases. Incidence, risk factors, and outcomes associated with IFI were analyzed. Results Out of the 126 patients who underwent HSCT between 2014-2018, 56 (44.4%) had Allo HSCT, 64 (50.8%) had auto HSCT and 6 (4.8%) had haplo-identical HSCT. A total of 83 (63%) were males and 43 (34%) females, 113 (83.9%) Asians, and 13 (10.3%) Africans. Total 111 (88%) patients received myeloablative conditioning and 24 (19%) received total body irradiation. The hematological conditions were acute myeloid leukemia (AML) n = 23 (18.25%), acute lymphoblastic leukemia (ALL) n = 16 (12.69%), chronic myeloid leukemia (CML) n = 4 (3.17%), Hodgkins lymphoma (HL) n = 17 (13.4%), non-Hodgkins lymphoma (NHL) n = 11 (8.73%), Myeloma n = 35 (27.7%), sickle cell disease n = 13 (10.31%), etc. Most patients received fluconazole 78 (61.9%) followed by micafungin 23 (18.25%), posaconazole 20 (15.87%), voriconazole 4 (3.17%), and liposomal amphoterin B 1 (0.79%) as antifungal prophylaxis. The overall rate of IFI (possible cases included) was auto-HSCT n = 5 (7.81%), and Allo-HSCT n = 5 (8.92%). Among auto-HSCT, the IFI was Proven = 0, Probable n = 1 (1.5%), and Possible n = 4 (6.25%), and among Allo-HSCT Proven = 0, Probable n = 2 (3.57%), and Possible n = 3 (5.35%). These cases had IFI lung based on imaging and serological tests. None of the cases had a lung biopsy. There were no incidents of candidemia. No patients in Haplo-HSCT had IFI. The 1-year survival rate among the IFI cases was 8/10 (80%). As the number of patients with IFI was very low, a meaningful comparison of the risk factors, and the impact of prophylactic regimens were difficult. Conclusions: The overall rate of IFI in HSCT patients in our setting was low compared to global data.