In vitro activity of immunosuppressive agents against Cryptococcus neoformans.

Amphotericin B Anfotericina B Ciclosporina A Cryptococcus spp. Cyclosporine A Sinergia Synergism Tacrolimus

Journal

Enfermedades infecciosas y microbiologia clinica (English ed.)
ISSN: 2529-993X
Titre abrégé: Enferm Infecc Microbiol Clin (Engl Ed)
Pays: Spain
ID NLM: 101777541

Informations de publication

Date de publication:
04 Nov 2020
Historique:
received: 10 07 2020
revised: 17 09 2020
accepted: 19 09 2020
entrez: 8 11 2020
pubmed: 9 11 2020
medline: 9 11 2020
Statut: aheadofprint

Résumé

Infections caused by Cryptococcus neoformans are a major cause of fungal mortality in HIV-infected/AIDS patients and in those receiving organ transplants. We evaluated the in vitro activity of tacrolimus and cyclosporine in combination with amphotericin B and fluconazole against C. neoformans. MICs were determined against a total of 30 clinical isolates of C. neoformans by the microdilution method following the CLSI M27-A3 guidelines and by the checkerboard method. Tacrolimus and cyclosporine A showed in vitro activity against cryptococcal isolates. The combination of amphotericin B with cyclosporine A or tacrolimus was synergistic against 90% and 30% of isolates, respectively. Synergism was also observed with the combination of fluconazole with cyclosporine A or tacrolimus, against 70% and 20% of isolates, respectively. The synergistic interactions between the calcineurin inhibitors and antifungal drugs against C. neoformans isolates, could potentially have a role in devising novel therapeutic strategies for this opportunistic mycosis.

Identifiants

pubmed: 33160707
pii: S0213-005X(20)30308-6
doi: 10.1016/j.eimc.2020.09.014
pii:
doi:

Types de publication

Journal Article

Langues

eng spa

Sous-ensembles de citation

IM

Informations de copyright

Copyright © 2020 Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica. Publicado por Elsevier España, S.L.U. All rights reserved.

Auteurs

Luana Rossato (L)

Postgraduate Program in Pharmaceutical Sciences, Health Sciences Centre, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil. Electronic address: luana.farma@hotmail.com.

Tarcieli P Venturini (TP)

Postgraduate Program in Pharmaceutical Sciences, Health Sciences Centre, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil.

Maria Isabel de Azevedo (MI)

Department of Preventive Veterinary Medicine, Veterinary School, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.

Janio M Santurio (JM)

Postgraduate Program in Pharmacology, Health Sciences Centre, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil.

Sydney H Alves (SH)

Postgraduate Program in Pharmaceutical Sciences, Health Sciences Centre, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil.

Classifications MeSH