Invasive Fungal Infections in Acute Promyelocytic Leukemia on Dual Differentiating Agents: Real World Data

Uday Yanamandra1, Parathan Karunakaran2, Alka Khadwal2

  • 11Department of Haematology and Stem Cell Transplant, Army Hospital (Research and Referral), Delhi, 110010 India.

Insights

Invasive fungal infections (IFIs) are common in acute promyelocytic leukemia (APL) patients, especially in developing nations. Dual differentiating agents (ATO and ATRA) did not significantly decrease IFI incidence in this study.

Area of Science:

  • Hematology
  • Infectious Diseases
  • Oncology

Background:

  • Invasive fungal infections (IFIs) pose a significant threat to patients with acute promyelocytic leukemia (APL), particularly in developing countries.
  • The efficacy of dual differentiating agents, arsenic trioxide (ATO) and all-trans retinoic acid (ATRA), in managing APL and their impact on IFI incidence require further investigation.

Purpose of the Study:

  • To determine the incidence of IFIs in APL patients treated with dual differentiating agents (ATO and ATRA) in a systematic Indian trial (DID-IT).
  • To analyze the factors influencing IFI occurrence in APL patients undergoing this specific therapy.

Main Methods:

  • A systematic study (DID-IT) was conducted on 98 APL patients.
  • Patients received dual differentiating agents (ATO and ATRA).
  • Incidence and classification of IFIs were recorded.

Main Results:

  • An 18.3% incidence of IFIs was observed in the 98 APL patients (18 cases).
  • Among the IFIs, 3 were definitive, 14 were probable, and 1 was possible.
  • The study identified environmental and therapy-related factors influencing IFI incidence.

Conclusions:

  • The incidence of IFIs in APL patients is influenced by environmental and therapy-related factors.
  • The use of dual differentiating agents (ATO and ATRA) alone does not necessarily reduce the occurrence of fungal infections in APL.
  • Further research is needed to understand and mitigate IFI risks in APL patients.

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