Table 1.

In vitro activities of trypanocidal drugs (IC₅₀ (μM)).

	T. lewisi	T. b. gambiense
Melarsoprol	0.09 ± 0.01	0.03 ± 0.01
Pentamidine	0.07 ± 0.02	0.06 ± 0.02
Eflornithine	20.5 ± 8.7	25.1 ± 12.4
Nifurtimox	4.25 ± 1.06	3.12 ± 1.27
Fexinidazole	3.75 ± 0.85	2.55 ± 0.42

Each result is the mean ± SD of IC₅₀ for six cultures.