Complex sentence: So far there has been neither any clinical or efficacy studies done on African histoplasmosis thus most treatments are based on what we know about histoplasmosis due to "H. capsulatum" as there are much similarities between both disease.
Split into simpler sentences: So far there has been neither any clinical or efficacy studies done on African histoplasmosis. Hence most treatments are based on what we know about histoplasmosis due to "H. capsulatum" as there are much similarities between both disease.