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We used a bioassay to measure pentamidine concentrations in autopsy specimens from 22 patients with AIDS. Patients received pentamidine isethionate (approximately 4 mg/kg per day) parenterally for Pneumocystis carinii pneumonia; one received monthly prophylaxis. We found that lung levels of 30 micrograms/g were achieved only after the fifth dose; tissue(More)
Serial quantitative blood cultures were performed before and during treatment in four patients with the acquired immune deficiency syndrome (AIDS) and Mycobacterium avium-intracellulare bacteremia. Initial colony counts were 350 to 28,000 cfu/ml, the counts declined substantially with treatment in two patients, and they declined modestly with treatment but(More)
We developed a sensitive and specific agar-diffusion bioassay for pentamidine by using an amphotericin B-resistant isolate, Candida tropicalis ATCC 28707, as the test organism. We determined levels of pentamidine in serum of rats given intramuscular or intravenous injections and levels in serum, urine, and tissues of humans who had received the drug by slow(More)
2'-Fluoro-5-iodoarabinosylcytosine (FIAC) has potent antiviral activity in vivo against herpes simplex virus types 1 and 2 and cytomegalovirus. For examination of the clinical efficacy of FIAC, a randomized, double-blind study of FIAC versus adenine arabinoside (ara-A) was conducted in 34 immunosuppressed individuals with varicella-zoster virus infections.(More)
AIM Deciding the best cell type for cardiac regeneration remains a big challenge. No studies have directly compared the functional efficacy of cardiac progenitor cells (CPCs) with extra-cardiac stem cells isolated from the same patient. METHODS AND RESULTS We compared the functional characteristics of endothelial progenitor cells (EPCs), right atrial(More)
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