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Published on: February 14, 2018

Ciclopirox olamine: an antifungal alternative against cryptococcosis

P C Oliveira1, C S Q Medeiros, D P C Macêdo

  • 1Department of Mycology, Federal University of Pernambuco (UFPE), Recife-PE, Brazil  Neurologic Diagnosis Service of Pernambuco, Recife-PE, Brazil.

Letters in Applied Microbiology
|November 3, 2010
PubMed
Abstract

Insights

Ciclopirox olamine shows promising antifungal activity against Cryptococcus species from cerebrospinal fluid of immunocompromised patients. This suggests its potential as an alternative treatment for cryptococcosis.

Area of Science:

  • Mycology
  • Infectious Diseases
  • Pharmacology

Background:

  • Cryptococcus species are a significant cause of opportunistic infections, particularly in immunocompromised individuals.
  • Systemic cryptococcosis, often originating from cerebrospinal fluid (CSF) infections, poses a serious health threat.
  • Limited treatment options and emerging resistance necessitate the exploration of novel antifungal agents.

Purpose of the Study:

  • To evaluate the in vitro antifungal activity of ciclopirox olamine against Cryptococcus species.
  • To determine the efficacy of ciclopirox olamine in comparison to established antifungal drugs.
  • To assess the potential of ciclopirox olamine as a therapeutic option for cryptococcosis.

Main Methods:

  • In vitro susceptibility testing of ciclopirox olamine against Cryptococcus species isolated from CSF.
  • Determination of minimal inhibitory concentration (MIC) using the Clinical and Laboratory Standards Institute (CLSI) microdilution method.
  • Determination of minimal fungicidal concentration (MFC) by assessing growth on Sabouraud dextrose agar.

Main Results:

  • Ciclopirox olamine demonstrated significant antifungal activity, with MIC values ranging from 0.25 to 1 μg/mL.
  • The study established the minimal fungicidal concentration for ciclopirox olamine against the tested Cryptococcus strains.
  • Comparative analysis with amphotericin B and fluconazole provided context for ciclopirox olamine's potency.

Conclusions:

  • Ciclopirox olamine exhibits notable antifungal potential against Cryptococcus species.
  • This drug represents a promising alternative for the treatment of systemic cryptococcosis.
  • Further in vivo studies are recommended to validate its clinical applicability.

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