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Management of viral infections in immunocompromised cancer patients

Pierre Reusser1

  • 1Division of Medicine, Hôpital régional, Porrentruy, Switzerland. pierre.reusser@cgh.ch

Swiss Medical Weekly
|November 13, 2002
PubMed

Insights

Cancer patients with weakened immune systems face severe viral infections. New antiviral drugs and diagnostics improve management, but drug resistance and unexplored treatments like neuraminidase inhibitors require further investigation.

Area of Science:

  • Oncology
  • Virology
  • Infectious Diseases

Background:

  • Immunocompromised cancer patients are highly susceptible to severe viral infections.
  • Effective management strategies exist for herpes simplex virus, varicella-zoster virus, and cytomegalovirus infections due to antiviral agents and rapid diagnostics.
  • Emerging resistance to established antiviral drugs (acyclovir, ganciclovir, cidofovir, foscarnet) poses a significant clinical challenge.

Purpose of the Study:

  • To review current management strategies for viral infections in immunocompromised cancer patients.
  • To highlight the challenge of antiviral resistance in this population.
  • To discuss the potential of novel antiviral agents, including neuraminidase inhibitors and broad-spectrum anti-picornaviral compounds.

Main Methods:

  • Literature review of antiviral therapies and diagnostic advancements.
  • Analysis of challenges posed by antiviral resistance.
  • Evaluation of emerging antiviral agents for immunocompromised patients.

Main Results:

  • Established antiviral therapies have improved outcomes for common herpesvirus infections.
  • Antiviral resistance to ganciclovir, acyclovir, foscarnet, and cidofovir is a growing concern.
  • Neuraminidase inhibitors (zanamivir, oseltamivir) show promise for influenza treatment in healthy adults and warrant investigation in cancer patients.
  • Pleconaril demonstrates promising preliminary data as a broad-spectrum anti-picornaviral agent.

Conclusions:

  • While significant progress has been made in managing viral infections in immunocompromised cancer patients, challenges remain.
  • Antiviral resistance necessitates the exploration and investigation of new therapeutic options.
  • Novel agents like neuraminidase inhibitors and pleconaril offer potential avenues for future treatment strategies.

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