Hovedundersøgelserne vedrørte virkningerne af de aktive stoffer i Truvada, emtricitabin og tenofovir - disoproxil, hos 683 hiv- 1 patienter, der var behandlingsnaive (dvs. ikke tidligere havde fået medicin mod hiv).
The main studies examined the effects of Truvada’ s active substances, emtricitabine and tenofovir disoproxil, in 683 treatment-naïve patients infected with HIV-1 (who had not taken treatment for HIV infection before).