特鲁瓦达是目前唯一被美国食品和药品监督管理局（FoodandDrugAdministration，F.D.A.）批准用于PrEP的抗逆转录病毒药物，但它的制造商吉利德科学公司（GileadSciences）却未曾给它的这一用途做过广告。
Truvada is currently the only antiretroviral drug approved by the Food and Drug Administration for PrEP , but its maker , Gilead Sciences , does not advertise it for that purpose .
吉利德科学公司