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Temozolomide-related infections: review of the literature

M C Kizilarslanoglu1, S Aksoy, N O Yildirim

  • 1Department of Internal Medicine, Hacettepe University Faculty of Medicine, Ankara, Turkey.

Insights

Temozolomide (TMZ) treatment can lead to serious opportunistic infections due to T-cell dysfunction. Close monitoring is crucial as these infections, including candidiasis and viral reactivation, carry a significant mortality risk.

Area of Science:

  • Oncology
  • Infectious Diseases
  • Pharmacology

Background:

  • Temozolomide (TMZ) is an antineoplastic agent used for brain tumors and melanoma.
  • TMZ can cause lymphopenia and T-cell dysfunction, increasing infection risk.
  • Opportunistic infections associated with TMZ are not well-characterized.

Purpose of the Study:

  • To investigate and characterize opportunistic infections in patients treated with Temozolomide.
  • To analyze the types, frequency, and outcomes of these infections.

Main Methods:

  • A literature review was conducted using Medline to identify relevant English-language studies.
  • 36 previously reported cases of infection related to TMZ were analyzed.
  • Data on patient demographics, infection types, and outcomes were compiled.

Main Results:

  • The most common infections included mucocutaneous candidiasis (28.2%), herpes zoster (12.8%), and cytomegalovirus (CMV) (12.8%).
  • Other significant infections were herpes simplex virus (10.2%), Pneumocystis carinii pneumonia (PCP) (7.6%), and hepatitis B virus (HBV) (5.1%).
  • The mortality rate for reported outcomes was 28.5%, with one-third of severe infections resulting in death.

Conclusions:

  • Patients receiving Temozolomide are at an elevated risk for opportunistic viral and bacterial infections.
  • Close monitoring for opportunistic infections is essential in patients undergoing TMZ therapy.
  • Awareness of these risks can guide clinical management and improve patient outcomes.

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