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Related Experiment Videos

Recent developments in new and old viral infections.

Giuseppe Gentile1

  • 1Department of Cellular Biotechnology and Hematology University La Sapienza, Rome. gentile@bce.uniroma1.it

Reviews in Clinical and Experimental Hematology
|July 26, 2006
PubMed
Summary

Immunomodulatory agents used in treating hematologic malignancies can increase the risk of viral infections. These infections, including herpesviruses and emerging viruses, impact patient survival and opportunistic infections.

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Area of Science:

  • Hematology
  • Infectious Diseases
  • Immunology

Background:

  • Viral infections and hematologic malignancies were historically linked to allogeneic stem cell transplantation.
  • Recent advancements in treating hematologic malignancies involve immunomodulatory agents like monoclonal antibodies (e.g., anti-CD20, anti-CD52).
  • These therapies target lymphocyte antigens, significantly influencing viral infection dynamics in patients.

Purpose of the Study:

  • To highlight the impact of immunomodulatory agents on viral infections in patients with hematologic malignancies.
  • To discuss the mechanisms of viral acquisition and endogenous reactivation.
  • To emphasize the evolving landscape of viral threats, including emerging infections.

Main Methods:

  • Review of current literature on viral infections in hematologic malignancy patients.

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  • Analysis of the role of immunomodulatory agents in altering viral infection patterns.
  • Identification of common and emerging viral pathogens of concern.

    • Main Results:

    • Immunomodulatory therapies increase the incidence, severity, and alter the timing of viral infections.
    • Viral infections can arise from transfusion, community exposure, donor origin, or reactivation of latent viruses.
    • Herpesviruses remain a primary concern, with emerging viral infections gaining significance.

    Conclusions:

    • Monoclonal antibodies and other immunomodulatory agents significantly alter the risk profile for viral infections in hematologic malignancy patients.
    • Viral infections pose direct threats and indirect risks, including opportunistic infections and reduced survival.
    • Continuous monitoring and awareness of both traditional and emerging viral infections are crucial for patient management.