Efficacy of Ivermectin in the Treatment of Strongyloidiasis Complicating AIDS

Abstract
Nine adult male homosexuals who were infected with the human immunodeficiency virus (five with AIDS-defining conditions) and harbored Strongyloides stercoralis received ivermectin on a compassionate basis for persistent intestinal infection. Hyperinfection was present in all cases. Ivermectin was given either as a single oral dose (200 μg/kg) or on a multidose schedule (200 μg/kg·d) on days 1, 2, 15, and 16. All seven patients who received multiple doses showed sustained clinical and parasitological cure, whereas one of two patients who received single-dose therapy relapsed promptly and fatally. Remissions have been maintained for at least 7 months and up to 3 years of follow-up. Ivermectin appears promising in the treatment of strongyloidiasis in patients with AIDS. Because of the risk of hyperinfection and/or disseminated disease, multidose courses are warranted. We are not aware of other reports describing the efficacy of antiparasitic drugs for strongiloidiasis in patients with AIDS.

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