GR-20263: a new aminothiazolyl cephalosporin with high activity against Pseudomonas and Enterobacteriaceae.

abstract：:The activity of NXL103 against 108 strains of Haemophilus influenzae was tested using Haemophilus test media (HTM) obtained from various sources. With the exception of those obtained with stored HTM, MICs did not differ significantly, with MIC(50) and MIC(90) values of 0.5 and 0.5 to 1 microg/ml, respectively, in each...

journal_title：Antimicrobial agents and chemotherapy

authors： Pankuch GA,Hoellman D,Bryskier A,Lowther J,Appelbaum PC

更新日期：2006-11-01 00:00:00

abstract：:Peritonitis is a major complication of continuous ambulatory peritoneal dialysis. Relapsing peritonitis after the cessation of antimicrobial therapy is frequently reported and often involves Staphylococcus epidermidis. To investigate the potential role of catheter-associated biofilm in the pathogenesis of relapsing pe...

journal_title：Antimicrobial agents and chemotherapy

authors： Evans RC,Holmes CJ

更新日期：1987-06-01 00:00:00

abstract：:A novel streptogramin A, pleuromutilin, and lincosamide resistance determinant, Vga(E), was identified in porcine methicillin-resistant Staphylococcus aureus (MRSA) ST398. The vga(E) gene encoded a 524-amino-acid protein belonging to the ABC transporter family. It was found on a multidrug resistance-conferring transpo...

journal_title：Antimicrobial agents and chemotherapy

authors： Schwendener S,Perreten V

更新日期：2011-10-01 00:00:00

abstract：:Ledipasvir (LDV; GS-5885), a component of Harvoni (a fixed-dose combination of LDV with sofosbuvir [SOF]), is approved to treat chronic hepatitis C virus (HCV) infection. Here, we report key preclinical antiviral properties of LDV, including in vitro potency, in vitro resistance profile, and activity in combination wi...

journal_title：Antimicrobial agents and chemotherapy

authors： Cheng G,Tian Y,Doehle B,Peng B,Corsa A,Lee YJ,Gong R,Yu M,Han B,Xu S,Dvory-Sobol H,Perron M,Xu Y,Mo H,Pagratis N,Link JO,Delaney W

更新日期：2016-01-11 00:00:00

abstract：:We have evaluated the influence of age on the intracortical accumulation kinetics of gentamicin in conscious male rats by using a short-term infusion model. Animals were infused with gentamicin over a 6-h period and achieved individual steady-state levels in serum ranging from 0.5 to 12 micrograms/ml. Young rats were ...

journal_title：Antimicrobial agents and chemotherapy

authors： Beauchamp D,Gourde P,Bergeron MG

更新日期：1989-11-01 00:00:00

abstract：:This in vitro study evaluated the activities of vancomycin, LY333328, and teicoplanin alone and in combination with gentamicin, rifampin, and RP59500 against Staphylococcus aureus isolates with intermediate susceptibilities to vancomycin. Ampicillin-sulbactam and trovafloxacin were also evaluated. LY333328 and ampicil...

journal_title：Antimicrobial agents and chemotherapy

authors： Hershberger E,Aeschlimann JR,Moldovan T,Rybak MJ

更新日期：1999-03-01 00:00:00

abstract：:The objectives of this study were to (i) construct a population pharmacokinetic (PK) model able to describe vancomycin (VAN) concentrations in serum in pediatric patients, (ii) determine VAN PK parameters in this population, and (iii) validate the predictive ability of this model in a naive pediatric population. Data ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lamarre P,Lebel D,Ducharme MP

更新日期：2000-02-01 00:00:00

abstract：:A series of twelve recently synthesized 6-substituted derivatives of 9-beta-d-ribofuranosylpurine 3',5'-cyclic phosphate (RPcMP) were evaluated for in vitro antiviral activity, using inhibition of viral cytopathogenic effect as the primary parameter for evaluation. Inhibition of the development of intra- and extracell...

journal_title：Antimicrobial agents and chemotherapy

authors： Sidwell RW,Huffman JH,Allen LB,Meyer RB Jr,Shuman DA,Simon LN,Robins RK

更新日期：1974-06-01 00:00:00

abstract：:Streptomycin binds to the bacterial ribosome and disrupts protein synthesis by promoting misreading of mRNA. Restrictive mutations on the ribosomal subunit protein S12 confer a streptomycin resistance (Strr) phenotype and concomitantly increase the accuracy of the decoding process and decrease the rate of translation....

journal_title：Antimicrobial agents and chemotherapy

authors： Chen C,Blumentritt CA,Curtis MM,Sperandio V,Torres AG,Dudley EG

更新日期：2013-09-01 00:00:00

abstract：:Platelet microbicidal proteins (PMPs) are believed to be integral to host defense against endovascular infection. We previously demonstrated that susceptibility to thrombin-induced PMP 1 (tPMP-1) in vitro negatively influences Candida albicans virulence in the rabbit model of infective endocarditis (IE). This study ev...

journal_title：Antimicrobial agents and chemotherapy

authors： Yeaman MR,Cheng D,Desai B,Kupferwasser LI,Xiong YQ,Gank KD,Edwards JE Jr,Bayer AS

更新日期：2004-08-01 00:00:00

abstract：:We examined the effect of antibiotic treatment on establishment of intestinal colonization by Candida glabrata in adult mice. Subcutaneous ceftriaxone, piperacillin-tazobactam, clindamycin, and metronidazole promoted increased density of stool colonization, whereas cefepime, levofloxacin, and aztreonam did not. These ...

journal_title：Antimicrobial agents and chemotherapy

authors： Pultz NJ,Stiefel U,Ghannoum M,Helfand MS,Donskey CJ

更新日期：2005-01-01 00:00:00

abstract：:In vitro surveys of antimicrobial resistance among clinically important anaerobes are an important source of information that can be used for clinical decisions in the choice of empiric antimicrobial therapy. This study surveyed the susceptibilities of 556 clinical anaerobic isolates from four large medical centers us...

journal_title：Antimicrobial agents and chemotherapy

authors： Aldridge KE,Ashcraft D,Cambre K,Pierson CL,Jenkins SG,Rosenblatt JE

更新日期：2001-04-01 00:00:00

abstract：:Pefloxacin mesylate is well absorbed by the oral route. The antimicrobial activity in dog, cynomolgus monkey, and human plasma was essentially due to unchanged drug which respectively accounted for 64, 94, and 84% of the total activity (ratios derived from relative area under the curve [AUC] values). Half-lives ranged...

journal_title：Antimicrobial agents and chemotherapy

authors： Montay G,Goueffon Y,Roquet F

更新日期：1984-04-01 00:00:00

abstract：:The in vitro activity of cefazolin was assessed by continuous turbidimetric monitoring of cultures of gram-negative bacilli and the results were compared with those previously obtained with other beta-lactam agents using the same strains and methods. Cefazolin was found to induce rapid lysis of ampicillin-susceptible ...

journal_title：Antimicrobial agents and chemotherapy

authors： Greenwood D,Chan-Teoh CH,O'Grady F

更新日期：1975-02-01 00:00:00

abstract：:Invasive pulmonary aspergillosis is a life-threatening infection in lung transplant recipients; however, no studies of the pharmacokinetics and pharmacodynamics (PKPD) of echinocandins in transplanted lungs have been reported. We conducted a single-dose prospective study of the intrapulmonary and plasma PKPD of 150 mg...

journal_title：Antimicrobial agents and chemotherapy

authors： Walsh TJ,Goutelle S,Jelliffe RW,Golden JA,Little EA,DeVoe C,Mickiene D,Hayes M,Conte JE Jr

更新日期：2010-08-01 00:00:00

abstract：:The DNA sequences of two plasmids carrying vanA, pVEF1 (39,626 bp) and pVEF2 (39,714 bp), were determined. Forty-three shared coding sequences were identified, and the only nucleotide difference was an 88-bp indel. A postsegregational killing system was identified. This system possibly explains the persistence of the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Sletvold H,Johnsen PJ,Simonsen GS,Aasnaes B,Sundsfjord A,Nielsen KM

更新日期：2007-02-01 00:00:00

abstract：:The echinocandins are a class of semisynthetic natural products that target β-1,3-glucan synthase (GS). Their proven clinical efficacy combined with minimal safety issues has made the echinocandins an important asset in the management of fungal infection in a variety of patient populations. However, the echinocandins ...

journal_title：Antimicrobial agents and chemotherapy

authors： Walker SS,Xu Y,Triantafyllou I,Waldman MF,Mendrick C,Brown N,Mann P,Chau A,Patel R,Bauman N,Norris C,Antonacci B,Gurnani M,Cacciapuoti A,McNicholas PM,Wainhaus S,Herr RJ,Kuang R,Aslanian RG,Ting PC,Black TA

更新日期：2011-11-01 00:00:00

abstract：:Exposure of Staphylococcus aureus to cloxacillin at neutral pH rendered the bacteria more susceptible to subsequent lysis by lysostaphin. This sensitization effect also occurred at lower pH levels which were nonpermissive for the bactericidal action of cloxacillin, but the effect disappeared at pH 5.0. These findings ...

journal_title：Antimicrobial agents and chemotherapy

authors： Craven N,Anderson JC

更新日期：1982-04-01 00:00:00

abstract：:The aim of this analysis was to identify therapeutic micafungin regimens for children that produce the same micafungin exposures known to be effective for the prevention and treatment of Candida infections in adults. Pediatric pharmacokinetic data from 229 patients between the ages of 4 months and <17 years were obtai...

journal_title：Antimicrobial agents and chemotherapy

authors： Hope WW,Kaibara A,Roy M,Arrieta A,Azie N,Kovanda LL,Benjamin DK Jr

更新日期：2015-02-01 00:00:00

abstract：:Intestinal endogenous members of the family Enterobacteriaceae were eliminated in 12 human volunteers treated with 400 or 800 mg of oral norfloxacin per day for 5 days. No clones resistant to quinolone derivatives were isolated. Counts of aerotolerant streptococci were affected to various degrees, depending on their s...

journal_title：Antimicrobial agents and chemotherapy

authors： Pecquet S,Andremont A,Tancrède C

更新日期：1986-06-01 00:00:00

abstract：:The susceptibility of Saccharomyces cerevisiae JG436 multidrug transporter deletion mutant, Deltapdr5, to several antifungal agents was compared to that of JG436-derived JGCDR1 and JGCaMDR1 transformants, harboring the CDR1 and CaMDR1 genes, encoding the main drug-extruding membrane proteins of Candida albicans. The J...

journal_title：Antimicrobial agents and chemotherapy

authors： Milewski S,Mignini F,Prasad R,Borowski E

更新日期：2001-01-01 00:00:00

abstract：:A clinical study was carried out to establish the influence of aluminum on the oral absorption of ofloxacin. Ten healthy volunteers were included in a crossover study based on a Latin square design. The treatments that all volunteers received were A, consisting of 400 mg of ofloxacin, and B, consisting of 400 mg of of...

journal_title：Antimicrobial agents and chemotherapy

authors： Sánchez Navarro A,Martínez Cabarga M,Dominguez-Gil Hurlé A

更新日期：1994-10-01 00:00:00

abstract：:Viomycin-resistant strains isolated from Mycobacterium smegmatis demonstrated pleiotropic resistance to tuberactinomycin-N, capreomycin, streptomycin, and kanamycin as a result of mutational alteration of ribosomes, even though they were selected for resistance to a single antibiotic. The pleiotropic drug resistance o...

journal_title：Antimicrobial agents and chemotherapy

authors： Yamada T,Masuda K,Shoji K,Hori M

更新日期：1974-07-01 00:00:00

abstract：:The in vitro pharmacodynamic properties of colistin and colistin methanesulfonate were investigated by studying the MICs, time-kill kinetics, and postantibiotic effect (PAE) against mucoid and nonmucoid strains of Pseudomonas aeruginosa isolated from patients with cystic fibrosis. Twenty-three clinical strains, includ...

journal_title：Antimicrobial agents and chemotherapy

authors： Li J,Turnidge J,Milne R,Nation RL,Coulthard K

更新日期：2001-03-01 00:00:00

abstract：:The polymorphic fungus Candida albicans is one of the most versatile opportunistic pathogens in humans. Many organs of the human body are potential targets for infection by this pathogen, but infection is commonly localized in the gastrointestinal tract, an environment providing anaerobic growth conditions. We describ...

journal_title：Antimicrobial agents and chemotherapy

authors： Dumitru R,Hornby JM,Nickerson KW

更新日期：2004-07-01 00:00:00

abstract：:We describe here the in vitro activities of azithromycin, clarithromycin, minocycline, or tigecycline alone and in combination with amphotericin B, itraconazole, terbinafine, voriconazole, anidulafungin, caspofungin, or micafungin against 30 isolates of the oomycete Pythium insidiosum. The assays were based on the CLS...

journal_title：Antimicrobial agents and chemotherapy

authors： Jesus FP,Ferreiro L,Loreto ÉS,Pilotto MB,Ludwig A,Bizzi K,Tondolo JS,Zanette RA,Alves SH,Santurio JM

更新日期：2014-09-01 00:00:00

abstract：:Thirty-four infants and children ranging in age from 2.5 to 180 months (mean, 40 months) were treated with parenteral moxalactam (150 mg/kg per day) for suspected or proved bacterial infections outside the central nervous system. Six patients infected with Haemophilus influenzae b, nine infected with Staphylococcus au...

journal_title：Antimicrobial agents and chemotherapy

authors： Keyserling H,Feldman WE,Moffitt S,Manning N,Hollins M

更新日期：1982-06-01 00:00:00

abstract：:Bacterial pathogens have specific virulence factors (e.g., toxins) that contribute significantly to the virulence and infectivity of microorganisms within the human hosts. Virulence factors are molecules expressed by pathogens that enable colonization, immunoevasion, and immunosuppression, obtaining nutrients from the...

journal_title：Antimicrobial agents and chemotherapy

authors： Jekle A,Yoon J,Zuck M,Najafi R,Wang L,Shiau T,Francavilla C,Rani SA,Eitzinger C,Nagl M,Anderson M,Debabov D

更新日期：2013-02-01 00:00:00

abstract：:Antibiotic resistance in bacteria is ever changing and adapting, as once-novel β-lactam antibiotics are losing their efficacy, primarily due to the production of β-lactamases. Metallo-β-lactamases (MBLs) efficiently inactivate a broad range of β-lactam antibiotics, including carbapenems, and are often coexpressed with...

journal_title：Antimicrobial agents and chemotherapy

authors： LaCuran AE,Pegg KM,Liu EM,Bethel CR,Ai N,Welsh WJ,Bonomo RA,Oelschlaeger P

更新日期：2015-12-01 00:00:00

abstract：:Selective decontamination of the digestive tract (SDD) has been evaluated as a method to prevent colonization and infection in ventilated patients in 40 trials. On the basis of an assumption that cross-infection would be reduced as a consequence of SDD and that this would distort the results of SDD studies that used c...

journal_title：Antimicrobial agents and chemotherapy

authors： Hurley JC

更新日期：1995-04-01 00:00:00