In AIDS Clinical Trials Group A@ , a randomized , double-blind , placebo-controlled study , @ HIV-infected patients on ART with plasma HIV-@ RNA levels @ copies per milliliter for @ months and CD@ lymphocyte counts < @ cells per cubic milliliter were randomized @:@:@:@ to receive once daily intravenous administration of placebo or @ , @ , or @ g/kg of palifermin on @ consecutive days .