Comparative in vitro activities of the investigational fluoroquinolone DC-159a and other antimicrobial agents against human mycoplasmas and ureaplasmas.

abstract：:It was previously found that certain nonnucleoside reverse transcriptase inhibitors (NNRTI) possess virucidal activity against human immunodeficiency virus type 1 (HIV-1), and it was suggested that the tight-binding mode of inhibition of reverse transcriptase might be important for this virucidal activity (Borkow et a...

journal_title：Antimicrobial agents and chemotherapy

authors： Motakis D,Parniak MA

更新日期：2002-06-01 00:00:00

abstract：:The P450 enzyme, CYP3A4, extensively metabolizes both amprenavir and clarithromycin. To determine if an interaction exists when these two drugs are coadministered, the pharmacokinetics of amprenavir and clarithromycin were investigated in healthy adult male volunteers. This was a Phase I, open-label, randomized, balan...

journal_title：Antimicrobial agents and chemotherapy

authors： Brophy DF,Israel DS,Pastor A,Gillotin C,Chittick GE,Symonds WT,Lou Y,Sadler BM,Polk RE

更新日期：2000-04-01 00:00:00

abstract：:Two bla(OXA-48)-like-positive isolates (Klebsiella pneumoniae and Enterobacter cloacae) were recovered in Argentina in 2008 as part of a large-scale survey focused on multidrug resistance in Enterobacteriaceae. In both cases, sequencing identified β-lactamase OXA-163, differing from OXA-48 by a single amino substituti...

journal_title：Antimicrobial agents and chemotherapy

authors： Poirel L,Castanheira M,Carrër A,Rodriguez CP,Jones RN,Smayevsky J,Nordmann P

更新日期：2011-06-01 00:00:00

abstract：:Histatin 5 (Hst 5) is a salivary human antimicrobial peptide that is toxic to the opportunistic yeast Candida albicans. Fungicidal activity of Hst 5 requires intracellular translocation and accumulation to a threshold concentration for it to disrupt cellular processes. Previously, we observed that total cytosolic leve...

journal_title：Antimicrobial agents and chemotherapy

authors： Li R,Kumar R,Tati S,Puri S,Edgerton M

更新日期：2013-04-01 00:00:00

abstract：:A micellar formulation of amphotericin B (AmB) solubilized with poloxamer 188 was evaluated against an AmB Leishmania donovani-resistant line. A concave isobologram showed a synergistic effect of this association against promastigotes. This result was confirmed with amastigotes since the 50% effective concentration of...

journal_title：Antimicrobial agents and chemotherapy

authors： Espuelas S,Legrand P,Loiseau PM,Bories C,Barratt G,Irache JM

更新日期：2000-08-01 00:00:00

abstract：:Rifabutin pharmacokinetics were studied by the population approach (NONMEM) with 40 human immunodeficiency virus-infected patients receiving rifabutin at different doses for prophylaxis or therapy of mycobacterial infections. A two-compartment open model with first-order absorption was used as the structural pharmacok...

journal_title：Antimicrobial agents and chemotherapy

authors： Gatti G,Papa P,Torre D,Andreoni M,Poggio A,Bassetti M,Marone P

更新日期：1998-08-01 00:00:00

abstract：:The aim of this study was to reveal population pharmacokinetics and assess the efficacies of various dosage regimens of sulbactam in terms of the probability of target attainment with this agent over a range of MICs. Monte Carlo simulations were performed to determine the probability of attaining specific pharmacodyna...

journal_title：Antimicrobial agents and chemotherapy

authors： Jaruratanasirikul S,Wongpoowarak W,Aeinlang N,Jullangkoon M

更新日期：2013-07-01 00:00:00

abstract：:Extended-spectrum class C β-lactamases have evolved to rapidly inactivate expanded-spectrum cephalosporins, a class of antibiotics designed to be resistant to hydrolysis by β-lactamase enzymes. To better understand the mechanism by which Acinetobacter-derived cephalosporinase-7 (ADC-7), a chromosomal AmpC enzyme, hydr...

journal_title：Antimicrobial agents and chemotherapy

authors： Curtis BN,Smolen KA,Barlow SJ,Caselli E,Prati F,Taracila MA,Bonomo RA,Wallar BJ,Powers RA

更新日期：2020-11-17 00:00:00

abstract：:Loss of viability of toxin-treated cells of Saccharomyces cerevisiae SCF 1717 could be prevented in the period before they altered physiologically if cells were incubated in media with a suitable concentration of potassium (0.08 to 0.13 M) and hydrogen ions (pH 6.2 to 6.7). Incorporation of higher amounts of potassium...

journal_title：Antimicrobial agents and chemotherapy

authors： Middelbeek EJ,Crützen QH,Vogels GD

更新日期：1980-10-01 00:00:00

abstract：:The in vitro and in vivo activities of Sm-1652 were compared with those of other cephalosporins. SM-1652 possessed a wide antibacterial spectrum which included activity against Pseudomonas aeruginosa. It also exhibited potent antibacterial activities against gram-positive cocci and clinical isolates of glucose nonferm...

journal_title：Antimicrobial agents and chemotherapy

authors： Kato M,Inoue M,Mitsuhashi S

更新日期：1982-11-01 00:00:00

abstract：:Blastocystis is an enteric parasite with extensive global prevalence. Studies have linked infection with this protist with a variety of gastrointestinal disorders, including irritable bowel syndrome. Due to the polymorphic nature of Blastocystis, studies on the parasite could be complicated, as results can be easily m...

journal_title：Antimicrobial agents and chemotherapy

authors： Yason JA,Koh KARP,Tan KSW

更新日期：2018-07-27 00:00:00

abstract：:While most Staphylococcus aureus telithromycin-resistant mutants isolated in this study possessed duplications within rplV (encoding ribosomal protein L22), four isolates possessed insertions within rplV that were identical to a portion of the gene rplB (encoding ribosomal protein L2). This novel type of mutation is t...

journal_title：Antimicrobial agents and chemotherapy

authors： Gentry DR,Holmes DJ

更新日期：2008-03-01 00:00:00

abstract：:The efficacy of a loading dose of 20 mg of chloroquine per kg of body weight per os given at intervals during the first day was evaluated in 27 patients in Madagascar with Plasmodium falciparum malaria. The conventional regimen of 25 mg/kg over 3 days (schedule 1) was thus compared with a regimen of 30 mg/kg over 2 da...

journal_title：Antimicrobial agents and chemotherapy

authors： Pussard E,Lepers JP,Clavier F,Raharimalala L,Le Bras J,Frisk-Holmberg M,Bergqvist Y,Verdier F

更新日期：1991-03-01 00:00:00

abstract：:Viridans group streptococci (VGS) are part of the normal flora that may cause bacteremia, often leading to endocarditis. We evaluated daptomycin against four clinical strains of VGS (MICs = 1 or 2 μg/ml) using an in vitro-simulated endocardial vegetation model, a simulated bacteremia model, and kill curves. Daptomycin...

journal_title：Antimicrobial agents and chemotherapy

authors： Akins RL,Katz BD,Monahan C,Alexander D

更新日期：2015-04-01 00:00:00

abstract：:The 50% inhibitory concentration (IC50s) of benflumetol (range, 12.5 to 240 nM; mean, 55.1 nM) for 158 Senegalese isolates were evaluated. Ten isolates (6%) showed decreased susceptibility to benflumetol. Benflumetol was slightly more potent against chloroquine-resistant isolates (P < 0.025). No correlation or weak co...

journal_title：Antimicrobial agents and chemotherapy

authors： Pradines B,Tall A,Fusai T,Spiegel A,Hienne R,Rogier C,Trape JF,Le Bras J,Parzy D

更新日期：1999-02-01 00:00:00

abstract：:Intermittent preventive treatment in infants with sulfadoxine-pyrimethamine (IPTi-SP) reduces malaria episodes by 20 to 59% across Africa. This protective efficacy, however, may be affected by the high frequency of malnutrition in African infants. We analyzed the impact of malnutrition as defined by anthropometry on t...

journal_title：Antimicrobial agents and chemotherapy

authors： Danquah I,Dietz E,Zanger P,Reither K,Ziniel P,Bienzle U,Mockenhaupt FP

更新日期：2009-05-01 00:00:00

abstract：:During a 6-month period, 21 pairs of Pseudomonas aeruginosa isolates susceptible (pretherapy) and resistant (posttherapy) to antipseudomonal beta-lactam antibiotics were isolated from hospitalized patients. In vivo emergence of beta-lactam resistance was associated with the overexpression of AmpC beta-lactamase in 10 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Ziha-Zarifi I,Llanes C,Köhler T,Pechere JC,Plesiat P

更新日期：1999-02-01 00:00:00

abstract：:Resistance to rifampin in Mycobacterium tuberculosis results from mutations in the gene coding for the beta subunit of RNA polymerase (rpoB). At least 95% of rifampin-resistant isolates have mutations in rpoB, and the mutations are clustered in a small region. About 40 distinct point mutations and in-frame insertions ...

journal_title：Antimicrobial agents and chemotherapy

authors： Morlock GP,Plikaytis BB,Crawford JT

更新日期：2000-12-01 00:00:00

abstract：:Retrocyclins are humanized versions of the -defensin peptides expressed by the leukocytes of several nonhuman primates. Previous studies, performed in serum-free media, determined that retrocyclins 1 (RC1) and RC2 could prevent successful germination of Bacillus anthracis spores, kill vegetative B. anthracis cells, an...

journal_title：Antimicrobial agents and chemotherapy

authors： Welkos S,Cote CK,Hahn U,Shastak O,Jedermann J,Bozue J,Jung G,Ruchala P,Pratikhya P,Tang T,Lehrer RI,Beyer W

更新日期：2011-09-01 00:00:00

abstract：:The discovery of quorum-sensing (QS) systems regulating antibiotic resistance and virulence factors (VFs) has afforded a novel opportunity to prevent bacterial pathogenicity. Dietary molecules have been demonstrated to attenuate QS circuits of bacteria. But, to our knowledge, no study exploring the potential of colost...

journal_title：Antimicrobial agents and chemotherapy

authors： Srivastava A,Singh BN,Deepak D,Rawat AK,Singh BR

更新日期：2015-04-01 00:00:00

abstract：:Visceral leishmaniasis is a neglected tropical disease that causes significant morbidity and mortality worldwide. Characterization of the pharmacokinetics and pharmacodynamics of antileishmanial drugs in preclinical models is important for drug development and use. Here we investigated the pharmacodynamics and drug di...

journal_title：Antimicrobial agents and chemotherapy

authors： Voak AA,Harris A,Qaiser Z,Croft SL,Seifert K

更新日期：2017-08-24 00:00:00

abstract：:Two 3-alkyl-substituted 2-hydroxy-1,4-naphthoquinones, NSC 113452 (NSC52) and NSC 113455 (NSC55), were evaluated for activity against Toxoplasma gondii in vitro and in murine models of acute toxoplasmosis. In vitro, both NSC52 and NSC55 significantly inhibited intracellular replication of T. gondii. In vivo, each comp...

journal_title：Antimicrobial agents and chemotherapy

authors： Khan AA,Nasr M,Araujo FG

更新日期：1998-09-01 00:00:00

abstract：:The in vivo activities of imipenem, meropenem, and cefepime were studied in a model of rat pneumonia caused by a plasmid-mediated AmpC beta-lactamase ACT-1-producing Klebsiella pneumoniae strain (K. pneumoniae strain 12) and a derivative porin-deficient mutant (K. pneumoniae strain 12dp). No differences between these ...

journal_title：Antimicrobial agents and chemotherapy

authors： Padilla E,Alonso D,Doménech-Sánchez A,Gomez C,Pérez JL,Albertí S,Borrell N

更新日期：2006-06-01 00:00:00

abstract：:Both recombinant alpha A interferon and azidothymidine inhibit the replication of human immunodeficiency virus in peripheral blood mononuclear cells. Combinations of recombinant alpha A interferon and azidothymidine at concentrations that are easily achievable in patients synergistically inhibit human immunodeficiency...

journal_title：Antimicrobial agents and chemotherapy

authors： Hartshorn KL,Vogt MW,Chou TC,Blumberg RS,Byington R,Schooley RT,Hirsch MS

更新日期：1987-02-01 00:00:00

abstract：:The pharmacodynamics of gemifloxacin against Streptococcus pneumoniae were investigated in a dilutional pharmacodynamic model of infection. Dose fractionation was used to simulate concentrations of gemifloxacin in human serum associated with 640 mg every 48 h (one dose), 320 mg every 24 h (two doses), and 160 mg every...

journal_title：Antimicrobial agents and chemotherapy

authors： MacGowan AP,Rogers CA,Holt HA,Wootton M,Bowker KE

更新日期：2001-10-01 00:00:00

abstract：:Tuberculosis is a serious global health threat for which new treatments are urgently needed. This study examined the safety, tolerability, pharmacokinetics, and pharmacodynamics of multiple ascending doses of the oxazolidinone PNU-100480 in healthy volunteers, using biomarkers for safety and efficacy. Subjects were ra...

journal_title：Antimicrobial agents and chemotherapy

authors： Wallis RS,Jakubiec W,Kumar V,Bedarida G,Silvia A,Paige D,Zhu T,Mitton-Fry M,Ladutko L,Campbell S,Miller PF

更新日期：2011-02-01 00:00:00

abstract：:The postantibiotic subminimum inhibitory concentration effect (PA SME) may simulate in vivo drug exposure more accurately than the postantibiotic effect (PAE) since subinhibitory concentrations of drug persist between antibiotic dosings. In this study, we compared the PAEs and PA SMEs of levofloxacin and ciprofloxacin...

journal_title：Antimicrobial agents and chemotherapy

authors： Licata L,Smith CE,Goldschmidt RM,Barrett JF,Frosco M

更新日期：1997-05-01 00:00:00

abstract：:Spiramycins are clinically important 16-member macrolide antibiotics produced by Streptomyces ambofaciens. Biosynthetic studies have established that the earliest lactonic intermediate in spiramycin biosynthesis, the macrolactone platenolide I, is synthesized by a type I modular polyketide synthase (PKS). Platenolide ...

journal_title：Antimicrobial agents and chemotherapy

authors： Nguyen HC,Darbon E,Thai R,Pernodet JL,Lautru S

更新日期：2013-08-01 00:00:00

abstract：:Pharmaceutical differences between the reference listed drug (RLD) and generic formulations of piperacillin-tazobactam may impact the reconstitution process for intravenous administration. This study evaluated the RLD against three generic formulations and measured their reconstitution times using a standardized proce...

journal_title：Antimicrobial agents and chemotherapy

authors： Zheng H,Truong J,Carroll F,Pai MP

更新日期：2015-03-01 00:00:00

abstract：:The activities of trimethoprim (TMP) and sulfamethoxazole (SMZ), alone and in combination (SMZ-TMP), and of the following antibiotics were tested against 115 clinical isolates of nontyphoid Salmonella species: tobramycin, gentamicin, ampicillin, amoxicillin, neomycin, kanamycin, chloramphenicol, and tetracycline. The ...

journal_title：Antimicrobial agents and chemotherapy

authors： Marks MI,Kazemi M,MacKay E

更新日期：1973-11-01 00:00:00