CTX-M-2 and a new CTX-M-39 enzyme are the major extended-spectrum beta-lactamases in multiple Escherichia coli clones isolated in Tel Aviv, Israel.

abstract：:Disk diffusion antibiotic susceptibility tests as performed by the hospital diagnostic microbiology laboratory were read at 4, 8, and 12 h of incubation and compared to the traditional 18-h readings. Both the zone size in millimeters and a judgement of susceptible or resistant were recorded by the investigator at each...

journal_title：Antimicrobial agents and chemotherapy

authors： Kluge RM

更新日期：1975-08-01 00:00:00

abstract：:Toxoplasma gondii and Cryptosporidium parvum, members of the phylum Apicomplexa, are significant pathogens of both humans and animals worldwide for which new and effective therapeutics are needed. Here we describe the activity of the antibiotic boromycin against Toxoplasma and Cryptosporidium Boromycin potently inhibi...

journal_title：Antimicrobial agents and chemotherapy

authors： Abenoja J,Cotto-Rosario A,O'Connor R

更新日期：2021-01-19 00:00:00

abstract：:Mycobacterium abscessus is intrinsically resistant to many antimycobacterial antibiotics, which presents serious problems in therapy. Here, we describe the development of a novel phenotype-based microscopic and computerized imaging drug screening approach. A pilot screen of 568 compounds from two libraries identified ...

journal_title：Antimicrobial agents and chemotherapy

authors： Richter A,Strauch A,Chao J,Ko M,Av-Gay Y

更新日期：2018-08-27 00:00:00

abstract：:We conducted this double-blind, parallel-group, placebo-controlled, randomized, multiple-ascending-dose study to assess the safety, tolerability, pharmacokinetics, and pharmacodynamics of GS-9851 (formerly PSI-7851) in treatment-naïve patients infected with hepatitis C virus (HCV) genotype 1. Thirty-two patients recei...

journal_title：Antimicrobial agents and chemotherapy

authors： Lawitz E,Rodriguez-Torres M,Denning JM,Albanis E,Cornpropst M,Berrey MM,Symonds WT

更新日期：2013-03-01 00:00:00

abstract：:Persistence of Mycobacterium tuberculosis remains a significant challenge for the effective treatment of tuberculosis in humans. In animals that develop necrotic lung lesions following infection with M. tuberculosis, drug-tolerant bacilli are present and persist in an extracellular microenvironment within the necrotic...

journal_title：Antimicrobial agents and chemotherapy

authors： Driver ER,Ryan GJ,Hoff DR,Irwin SM,Basaraba RJ,Kramnik I,Lenaerts AJ

更新日期：2012-06-01 00:00:00

abstract：:Ethambutol (EMB) plays a pivotal role in the chemotherapy of drug-resistant tuberculosis (TB), including multidrug-resistant tuberculosis (MDR-TB). Resistance to EMB is considered to be caused by mutations in the embCAB operon (embC, embA, and embB). In this study, we analyzed the embCAB mutations among 139 MDR-TB iso...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhao LL,Sun Q,Liu HC,Wu XC,Xiao TY,Zhao XQ,Li GL,Jiang Y,Zeng CY,Wan KL

更新日期：2015-04-01 00:00:00

abstract：:We studied the influence of the lipid/amphotericin B (AMB) ratio and the phospholipid type on the in vitro renal cell toxicity and antifungal efficacy of lipid-associated AMB (L-AMB). L-AMB was prepared at one of two different lipid/AMB ratios (1 and 40) by incubating AMB with empty small unilamellar vesicles, made fr...

journal_title：Antimicrobial agents and chemotherapy

authors： Joly V,Bolard J,Saint-Julien L,Carbon C,Yeni P

更新日期：1992-02-01 00:00:00

abstract：:The purpose of this study was to assess the effect of voriconazole on the blood tacrolimus concentration in a liver transplant recipient and to examine the interaction between voriconazole and tacrolimus by using human liver microsomes. Two subjects were enrolled in the clinical study: one received voriconazole, and t...

journal_title：Antimicrobial agents and chemotherapy

authors： Venkataramanan R,Zang S,Gayowski T,Singh N

更新日期：2002-09-01 00:00:00

abstract：:Tigemonam, a new monobactam with excellent activity against gram-negative bacteria, was evaluated for in vivo efficacy and absorption after oral administration to laboratory animals. Tigemonam is absorbed when administered orally to mice and dogs. In a variety of gram-negative systemic infections in mice, orally admin...

journal_title：Antimicrobial agents and chemotherapy

authors： Clark JM,Olsen SJ,Weinberg DS,Dalvi M,Whitney RR,Bonner DP,Sykes RB

更新日期：1987-02-01 00:00:00

abstract：:Bone concentrations of seven antimicrobial agents were determined after parenteral administration. Antibiotics were administered in large doses at customary intervals for 12 to 20 h before total hip or knee replacement; anticipated levels of each drug were achieved in the serum. Methicillin, carbenicillin, and clindam...

journal_title：Antimicrobial agents and chemotherapy

authors： Smilack JD,Flittie WH,Williams TW Jr

更新日期：1976-01-01 00:00:00

abstract：:We conducted a case-control study to identify risk factors associated with the isolation of Pseudomonas aeruginosa strains susceptible only to polymyxin from blood by comparing data between 16 patients with blood isolates that were susceptible only to polymyxins and 40 patients with blood isolates that were susceptibl...

journal_title：Antimicrobial agents and chemotherapy

authors： Falagas ME,Koletsi PK,Kopterides P,Michalopoulos A

更新日期：2006-07-01 00:00:00

abstract：:Meropenem-vaborbactam is a new agent with the potential to treat carbapenem-resistant Enterobacteriaceae (CRE) infections. We describe the in vitro activity of meropenem-vaborbactam against representative CRE genotypes and laboratory-engineered Escherichia coli isolates harboring mutant blaKPC genes associated with ce...

journal_title：Antimicrobial agents and chemotherapy

authors： Wilson WR,Kline EG,Jones CE,Morder KT,Mettus RT,Doi Y,Nguyen MH,Clancy CJ,Shields RK

更新日期：2019-02-26 00:00:00

abstract：:Beta-l-2',3'-didehydro-2',3'-dideoxy-N(4)-hydroxycytidine (l-Hyd4C) was demonstrated to be an effective and highly selective inhibitor of hepatitis B virus (HBV) replication in HepG2.2.15 cells (50% effective dose [ED(50)] = 0.03 microM; 50% cytotoxic dose [CD(50)] = 2,500 microM). In the present study, we investigate...

journal_title：Antimicrobial agents and chemotherapy

authors： Matthes E,Bünger H

更新日期：2010-01-01 00:00:00

abstract：:Data comparing the treatment outcomes of the two most frequently recommended empirical antibiotic regimens for community-acquired pneumonia (CAP)--combination therapy with an extended-spectrum beta-lactam and a macrolide (BL+M) or fluoroquinolone (F) monotherapy--for patients with severe CAP are sparse. The purpose of...

journal_title：Antimicrobial agents and chemotherapy

authors： Lodise TP,Kwa A,Cosler L,Gupta R,Smith RP

更新日期：2007-11-01 00:00:00

abstract：:Preclinical animal models of infection are employed to develop new agents but also to screen among molecules to rank them. There are often major differences between human pharmacokinetic (PK) profiles and those developed by animal models of infection, and these may lead to substantial differences in efficacy relative ...

journal_title：Antimicrobial agents and chemotherapy

authors： Drusano GL,Duncanson B,Scanga CA,Kim S,Schmidt S,Neely MN,Yamada WM,Vicchiarelli M,Peloquin CA,Louie A

更新日期：2020-11-17 00:00:00

abstract：:Amphotericin B colloidal dispersion (ABCD) is a new formulation of conventional amphotericin B designed to minimize drug distribution in the kidney and reduce nephrotoxicity. We studied the safety and efficacy of ABCD in 133 renally compromised patients with invasive fungal infections. Patients had either nephrotoxici...

journal_title：Antimicrobial agents and chemotherapy

authors： Anaissie EJ,Mattiuzzi GN,Miller CB,Noskin GA,Gurwith MJ,Mamelok RD,Pietrelli LA

更新日期：1998-03-01 00:00:00

abstract：:The recent availability of CCR5 antagonists as anti-human immunodeficiency virus (anti-HIV) therapeutics has highlighted the need to accurately identify CXCR4-using variants in patient samples when use of this new drug class is considered. The Trofile assay (Monogram Biosciences) has become the method that is the most...

journal_title：Antimicrobial agents and chemotherapy

authors： Coakley E,Reeves JD,Huang W,Mangas-Ruiz M,Maurer I,Harskamp AM,Gupta S,Lie Y,Petropoulos CJ,Schuitemaker H,van 't Wout AB

更新日期：2009-11-01 00:00:00

abstract：:Generation of pharmacodynamic relationships in the clinical arena requires estimation of pharmacokinetic parameter values for individual patients. When the target population is severely ill, the ability to obtain traditional intensive blood sampling schedules is curtailed. Population modeling guided by optimal samplin...

journal_title：Antimicrobial agents and chemotherapy

authors： Tam VH,Preston SL,Drusano GL

更新日期：2003-09-01 00:00:00

abstract：:Clostridium difficile is a leading cause of health care-associated diarrhea with significant morbidity and mortality, and new options for the treatment of C. difficile-associated diarrhea (CDAD) are needed. Cadazolid is a new oxazolidinone-type antibiotic that is currently in clinical development for treatment of CDAD...

journal_title：Antimicrobial agents and chemotherapy

authors： Locher HH,Seiler P,Chen X,Schroeder S,Pfaff P,Enderlin M,Klenk A,Fournier E,Hubschwerlen C,Ritz D,Kelly CP,Keck W

更新日期：2014-01-01 00:00:00

abstract：:Persister cells are highly tolerant to different antibiotics and are associated with relapsing infections. In order to understand this phenomenon further, we exposed a transposon library to a lethal concentration of ampicillin, and mutants that survived were identified by transposon sequencing (Tn-Seq). We determined ...

journal_title：Antimicrobial agents and chemotherapy

authors： Molina-Quiroz RC,Lazinski DW,Camilli A,Levy SB

更新日期：2016-10-21 00:00:00

abstract：:The ponA gene of Mycobacterium smegmatis encodes a 95-kDa penicillin binding protein, PBP1, that is similar to PBP1s of Mycobacterium tuberculosis and Mycobacterium leprae. Transposon disruption of ponA in M. smegmatis resulted in a PBP1-deficient mutant that was sensitive to beta-lactam antibiotics, was more permeabl...

journal_title：Antimicrobial agents and chemotherapy

authors： Billman-Jacobe H,Haites RE,Coppel RL

更新日期：1999-12-01 00:00:00

abstract：:Using an immunocompetent murine model of invasive aspergillosis (IA), we previously reported that the efficacy of liposomal amphotericin B (L-AmB) (Ambisome) is not hampered by the presence of azole resistance mutations in Aspergillus fumigatus (S. Seyedmousavi, W. J. G. Melchers, J. W. Mouton, and P. E. Verweij, Anti...

journal_title：Antimicrobial agents and chemotherapy

authors： Seyedmousavi S,Mouton JW,Melchers WJG,Verweij PE

更新日期：2017-05-24 00:00:00

abstract：:An NDM-1 carbapenemase-producing Pseudomonas aeruginosa isolate was recovered from a patient hospitalized in France after a previous hospitalization in Serbia. Genetic studies revealed that the blaNDM-1 gene was surrounded by insertion sequence ISAba125 and a truncated bleomycin resistance gene. This blaNDM-1 region w...

journal_title：Antimicrobial agents and chemotherapy

authors： Janvier F,Jeannot K,Tessé S,Robert-Nicoud M,Delacour H,Rapp C,Mérens A

更新日期：2013-07-01 00:00:00

abstract：:A rapid (6-7 hr), modified Kirby-Bauer disk-susceptibility method, by which derivatives of tetrazolium dyes are used to enhance delineation between areas of growth and zones of inhibition, has been developed. Inoculated petri plates, prepared by the Kirby-Bauer method, were sprayed, after 6 to 7 hr of incubation (37 C...

journal_title：Antimicrobial agents and chemotherapy

authors： Boyle VJ,Fancher ME,Ross RW Jr

更新日期：1973-03-01 00:00:00

abstract：:According to the European AIDS Clinical Society, tenofovir disoproxil fumarate can be used in HIV-infected pregnant women if started prior to pregnancy, although no data are available on the pharmacokinetics of tenofovir (TFV) during pregnancy. The aim of this study was to describe TFV pharmacokinetics in HIV-infected...

journal_title：Antimicrobial agents and chemotherapy

authors： Benaboud S,Hirt D,Launay O,Pannier E,Firtion G,Rey E,Bouazza N,Foissac F,Chappuy H,Urien S,Tréluyer JM

更新日期：2012-02-01 00:00:00

abstract：:We have studied the aminoglycoside resistance gene, which confers high levels of resistance to both amikacin and gentamicin, that is carried by plasmid pSTI1 in the PER-1 beta-lactamase-producing strain of Salmonella enterica serovar Typhimurium previously isolated in Turkey. This gene, called aac(6')-Ib(11), was foun...

journal_title：Antimicrobial agents and chemotherapy

authors： Casin I,Hanau-Berçot B,Podglajen I,Vahaboglu H,Collatz E

更新日期：2003-02-01 00:00:00

abstract：:The in vitro antibacterial activity of AM-1155 against a wide variety of clinical isolates was compared with those of other fluoroquinolones. The MICs of AM-1155 for 90% of Staphylococcus aureus, Streptococcus pneumoniae, and Enterococcus faecalis isolates tested were 0.10, 0.39, and 0.78 microgram/ml, respectively. T...

journal_title：Antimicrobial agents and chemotherapy

authors： Wakabayashi E,Mitsuhashi S

更新日期：1994-03-01 00:00:00

abstract：:Emtricitabine (FTC) is approved for the treatment of human immunodeficiency virus. FTC and clevudine (CLV) have activity against hepatitis B virus (HBV). This report summarizes the results of a double-blind, multicenter study of patients with chronic hepatitis B who had completed a phase 3 study of FTC and were random...

journal_title：Antimicrobial agents and chemotherapy

authors： Lim SG,Krastev Z,Ng TM,Mechkov G,Kotzev IA,Chan S,Mondou E,Snow A,Sorbel J,Rousseau F

更新日期：2006-05-01 00:00:00

abstract：:Conventional therapy for human cytomegalovirus (CMV) relies on inhibition of the viral DNA polymerase. Ganciclovir (GCV) is the first-line therapy, but when GCV-resistant strains emerge, alternative therapies are extremely limited and are associated with significant toxicities. Combination of anti-CMV agents that act ...

journal_title：Antimicrobial agents and chemotherapy

authors： Cai H,Kapoor A,He R,Venkatadri R,Forman M,Posner GH,Arav-Boger R

更新日期：2014-01-01 00:00:00

abstract：:LYS228 is a novel monobactam with potent activity against Enterobacteriaceae LYS228 is stable to metallo-β-lactamases (MBLs) and serine carbapenemases, including Klebsiella pneumoniae carbapenemases (KPCs), resulting in potency against the majority of extended-spectrum β-lactamase (ESBL)-producing and carbapenem-resis...

journal_title：Antimicrobial agents and chemotherapy

authors： Blais J,Lopez S,Li C,Ruzin A,Ranjitkar S,Dean CR,Leeds JA,Casarez A,Simmons RL,Reck F

更新日期：2018-09-24 00:00:00