Table 1.

Results of pentamidine on Leishmania infantum promastigotes in the parasitic form (IC₅₀ = 5.69 μg/mL).

Concentration (μg/mL)	% Anti-promastigote (L. infantum)	% ± standard deviation
100	93.9	0.3
50	93.9	0.1
25	89.2	0.6
12.5	80.6	0.2
6.25	54.2	0.3
3.125	15.5	1.1