Cryptococcus neoformans is encapsulated yeast that causes cryptococcosis. The cryptococcal meningitis may cause neuropsychiatric symptoms. Here, we evaluated the in vitro activity of amphotericin B (AMB), chlorpromazine (CLOR), and sertraline (SERT) alone or in combination against clinical isolates of C. neoformans considering the capsular induction in vitro. Susceptibility tests were carried out using the broth microdilution method in accordance with the CLSI document M27-A3. The combination [CLOR + AMB] exhibited synergism for 50 and 67 % of strains before capsular induction (group I) and after capsular induction (group II), respectively. The combination [SERT + AMB] showed 60 % of synergism against the both groups. Antagonism was not observed. Our results show the therapeutic potential of chlorpromazine and sertraline in combination with amphotericin B against neurocryptococcosis.

Programa de Pós Graduação em Ciências Biológicas farmacologia e terapêutica Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil

Programa de Pós Graduação em Ciências Farmacêuticas Centro de Ciências da Saúde Universidade Federal de Santa Maria Avenida Roraima 1000 Cidade Universitária Bairro Camobi Santa Maria RS Brazil 97105 900

Programa de Pós Graduação em Farmacologia Centro de Ciências da Saúde Santa Maria RS Brazil

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