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. 2022 Jul 5;12:855119. doi: 10.3389/fcimb.2022.855119

Table 4.

In vitro fractional inhibitory concentration index from miltefosine and benznidazole on trypomastigotes and amastigotes stages of Trypanosoma cruzi (VD strain).

Combination Trypomastigotes Amastigotes
LC50 (µM) FICI ∑FICI IC50 (µM) FICI ∑FICI
Fixed MLT +
Variable BZ
2.845 0.17 0.46 0.34 0.38 0.71
Fixed BZ +
Variable MLT
5.75 0.29 0.29 0.32

MLT, miltefosine. BZ, benznidazole. FICI, Fractional inhibitory concentration index.