In Vitro Reversion of Amphotericin B Resistance in Leishmania donovani by Poloxamer 188

Author:

Espuelas S.1,Legrand P.2,Loiseau P. M.3,Bories C.3,Barratt G.2,Irache J. M.1

Affiliation:

1. Departamento de Farmacia y Tecnologı́a Farmacéutica, Facultad de Farmacia, Universidad de Navarra, 31080 Pamplona, Spain,1 and

2. UMR 86, Faculté de Pharmacie, UniversitéParis-Sud,2 and

3. Biologie et Contrôle des Organismes Parasites, UPRES-EA 398, Faculté de Pharmacie, Université de Paris-Sud,392296 Châtenay-Malabry, France

Abstract

ABSTRACT A micellar formulation of amphotericin B (AmB) solubilized with poloxamer 188 was evaluated against an AmB Leishmania donovani -resistant line. A concave isobologram showed a synergistic effect of this association against promastigotes. This result was confirmed with amastigotes since the 50% effective concentration of the new formulation was 100 times less than that of the control AmB formulation.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

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