Paul J Pagano

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The efficacy of linezolid, alone or in combination with rifampin, against methicillin-susceptible Staphylococcus aureus in rabbits with experimental endocarditis was investigated. Linezolid (50 or 75 mg/kg of body weight), rifampin, and linezolid (25, 50, or 75 mg/kg) plus rifampin produced statistically significant reductions in bacterial counts compared(More)
PNU-140690 is a member of a new class of nonpeptidic human immunodeficiency virus (HIV) protease inhibitors (sulfonamide-containing 5,6-dihydro-4-hydroxy-2-pyrones) discovered by structure-based design. PNU-140690 has excellent potency against a variety of HIV type 1 (HIV-1) laboratory strains and clinical isolates, including those resistant to the reverse(More)
PNU-140690 (sulfonamide-containing 5,6-dihydro-4-hydroxy-2-pyrone) is a potent, nonpeptidic inhibitor of the human immunodeficiency virus type 1 (HIV-1) protease currently under clinical evaluation. PNU-140690 and ritonavir were studied in two-drug combinations against the replication of HIV-1 clinical isolates in peripheral blood mononuclear cells. A(More)
Staphylococcus epidermidis has emerged as a major nosocomial pathogen that is often associated with infections of indwelling medical devices. Microbial adhesion to implanted foreign materials is a prerequisite for establishing infection. We studied the time-dependent anti-adhesion effects of linezolid and vancomycin on three S. epidermidis clinical(More)
Delavirdine (bisheteroarylpiperazine, U-90152), a nonnucleoside reverse transcriptase inhibitor of human immunodeficiency virus type 1 (HIV-1), was evaluated in a two-drug combination with recombinant human interferon-alpha (IFN-alpha) or the peptidomimetic protease inhibitor U-75875 against HIV-1 replication in vitro. Viral growth was assayed in a CD4+ T(More)
A novel series of oxazolidinones were synthesized in which the morpholine C-ring of linezolid was replaced with homomorpholine. In addition to investigating the effect of a homomorpholine C-ring on antibacterial activity, the effect of des-, mono-, di-, and tri-fluoro substitution on the phenyl B-ring was investigated as well. Various C-5 functional groups(More)
Bisheteroarylpiperazine compounds are nonnucleoside reverse transcriptase inhibitors of human immunodeficiency virus type 1 (HIV-1). To provide a rationale for combination therapy with a second-generation bisheteroarylpiperazine, we investigated the effect of U-90152 in combination with 3'-azido-3'-deoxythymidine (AZT) or 2',3'-dideoxycytidine (ddC).(More)
Delavirdine (DLV), a non-nucleoside reverse transcriptase inhibitor (RTI) of human immunodeficiency virus type 1 (HIV-1), was evaluated in two and three-drug combinations against acute and co-culture infections of HIV-1JRCSF in human peripheral blood mononuclear cells. DLV combined with didanosine (DDI) at 1:10 and 1:30 ratios were statistically synergistic(More)
Oxazolidinones possessing a C-5 carboxamide functionality (reverse amides) represent a new series of compounds that block bacterial protein synthesis. These reverse amides also exhibited less potency against monoamine oxidase (MAO) enzymes and thus possess less potential for the side effects associated with MAO inhibition. The title compound (14) showed(More)