MeglumineAntiprotozoal AgentsOrganometallic CompoundsAntimonyLeishmaniasis, CutaneousLeishmania infantumLeishmania braziliensisClonixinLeishmania mexicanaLeishmania guyanensisLeishmaniasis, VisceralIothalamate MegluminePentamidineParasitic Sensitivity TestsParasite LoadLeishmaniasisLeishmania tropicaAminoquinolinesLeishmaniaColombiaPhosphorylcholineAmphotericin BTungstenDrug Therapy, CombinationTreatment OutcomeAdministration, OralPlacebo EffectDouble-Blind MethodMice, Inbred BALB C