Experimental parasitology
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Experimental parasitology · Nov 2014
Combined drug therapy in the management of granulomatous amoebic encephalitis due to Acanthamoeba spp., and Balamuthia mandrillaris.
Granulomatous amoebic encephalitis (GAE) is caused by two protist pathogens, Acanthamoeba spp., and Balamuthia mandrillaris. Although rare, it almost always results in death. In the present study, amoebae were treated with various combinations of clinically-approved drugs, targeting vital cellular receptors and biochemical pathways. ⋯ At 100μM, the combination of procyclidine and amiodarone was effective against neither A. castellanii nor B. mandrillaris. In this case, amoebicidal properties were observed at 750μM for A. castellanii, and 950μM for B. mandrillaris. As these drugs are used clinically against non-communicable diseases, the findings reported here have the potential to be tested in a clinical setting against amoebic encephalitis caused by A. castellanii and B. mandrillaris.