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Antiretroviral therapy may lead to decreased shedding of human immunodeficiency virus type 1 (HIV-1) in genital secretions. Thirty men, 19 receiving amprenavir and 11 receiving amprenavir, zidovudine, and lamivudine, donated blood and semen while undergoing treatment, to evaluate the effects of these medications on HIV-1 shedding in semen. Before therapy, 4 men had HIV-1 RNA levels in seminal plasma >6.0 log10 (1 million) copies/mL, markedly higher than levels in blood plasma. Most men (77%) had HIV-1 RNA levels in seminal plasma below the limit of quantification during therapy. Amprenavir alone suppressed HIV-1 RNA levels to

Eighteen patients received 1,250 mg of allopurinol riboside (AR) four times daily for 28 d. Nine of the patients concurrently received 500 mg probenecid (PB) four times daily. Cure was assessed clinically and parasitologically. Patients who had culture-positive and nonhealing lesions 3 mo after therapy received pentavalent antimony. Of the nine patients who received AR alone, four (44%) had clinical improvement at the end of therapy and two (22%) were culture-negative. A third patient became culture negative at 2 mo after therapy. The culture-negative patients were completely healed at 1 mo and remained so at 1 y after therapy. Of the nine patients who received AR plus PB, four had complete healing and two had clinical improvement at the end of therapy; however, all patients remained culture-positive. At 2-3 mo after therapy, six (67%) of the patients were completely healed, and of these, five (56%) were culture-negative. The drug was well-tolerated.