In vitro activities of gemifloxacin (SB 265805, LB20304) against recent clinical isolates of Chlamydia pneumoniae.

abstract：:Plaque formation and dye uptake assays were used to measure the MICs of PD 127,391 and PD 131,628 against Rickettsia species. The MICs of PD 127,391 were 0.25 microgram/ml for Rickettsia rickettsii and 0.125 to 0.25 microgram/ml for Rickettsia conorii. The MICs of PD 131,628 were 0.25 to 0.5 microgram/ml for R. ricket...

journal_title：Antimicrobial agents and chemotherapy

authors： Jabarit-Aldighieri N,Torres H,Raoult D

更新日期：1992-11-01 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：:We applied in vitro evolution to an Escherichia coli strain containing bla(CTX-M-2) and obtained 10 independent mutant bla(CTX-M-2) alleles that confer elevated resistance to ceftazidime (MIC > or = 32 microg/ml) but lost the ability to confer resistance to cefepime. All alleles had a Pro-to-Ser substitution at positi...

journal_title：Antimicrobial agents and chemotherapy

authors： Welsh KJ,Barlow M,Tenover FC,Biddle JW,Rasheed JK,Clark LA,McGowan JE Jr

更新日期：2005-03-01 00:00:00

abstract：:Cytomegalovirus can cause debilitating and life-threatening disease in newborns infected in utero and immunocompromised individuals, including transplant recipients. RG7667 is a unique combination of two monoclonal antibodies that binds glycoprotein complexes on the surface of cytomegalovirus and inhibits its entry in...

journal_title：Antimicrobial agents and chemotherapy

authors： Ishida JH,Burgess T,Derby MA,Brown PA,Maia M,Deng R,Emu B,Feierbach B,Fouts AE,Liao XC,Tavel JA

更新日期：2015-08-01 00:00:00

abstract：:We compared the activity of delavirdine (DLV) plus zidovudine (AZT) (n = 300) with that of AZT (n = 297) against human immunodeficiency virus type 1 in a randomized, double-blind, placebo-controlled trial. DLV exerted a transient antiviral effect, and mutations for resistance to DLV were found in more than 90% of subj...

journal_title：Antimicrobial agents and chemotherapy

authors： Joly V,Moroni M,Concia E,Lazzarin A,Hirschel B,Jost J,Chiodo F,Bentwich Z,Love WC,Hawkins DA,Wilkins EG,Gatell AJ,Vetter N,Greenwald C,Freimuth WW,de Cian W

更新日期：2000-11-01 00:00:00

abstract：:Grazoprevir (GZR) plus elbasvir is an approved treatment for chronic infection with hepatitis C virus (HCV) genotype 1 or 4. HCV infection complications include liver cirrhosis, end-stage liver disease, and hepatocellular carcinoma. The objective of this study was to evaluate the pharmacokinetics and safety of multipl...

journal_title：Antimicrobial agents and chemotherapy

authors： Caro L,Wenning L,Guo Z,Fraser IP,Fandozzi C,Talaty J,Panebianco D,Ho M,Uemura N,Reitmann C,Angus P,Gane E,Marbury T,Smith WB,Iwamoto M,Butterton JR,Yeh WW

更新日期：2017-11-22 00:00:00

abstract：:Tiacumicins B and C are members of a novel group of 18-membered macrolide antibiotics with in vitro activity against Clostridium difficile. The MICs against 15 strains of C. difficile were 0.12 to 0.25 microgram/ml for tiacumicin B, 0.25 to 1 microgram/ml for tiacumicin C, and 0.5 to 1 microgram/ml for vancomycin. The...

journal_title：Antimicrobial agents and chemotherapy

authors： Swanson RN,Hardy DJ,Shipkowitz NL,Hanson CW,Ramer NC,Fernandes PB,Clement JJ

更新日期：1991-06-01 00:00:00

abstract：:Cephalosporins possessing a 1, 3-dithiolane, 1, 3-dithiane, or 1, 3-dithietane ring on their 7 beta-substituents showed potent inhibitory activity against cephaloridine hydrolysis by cephalosporinases purified from proteus morganii, Proteus rettgeri, and Proteus inconstans, which were not inhibited by clavulanic acid,...

journal_title：Antimicrobial agents and chemotherapy

authors： Ohya S,Miyadera T,Yamazaki M

更新日期：1982-04-01 00:00:00

abstract：:Bovicin HC5, a broad-spectrum lantibiotic produced by Streptococcus bovis HC5, catalyzed the efflux of intracellular potassium from Streptococcus bovis JB1, a sensitive strain. The level of ATP also decreased, but this decline appeared to be caused by the activity of the F(1)F(0) ATPase rather than efflux per se. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Mantovani HC,Russell JB

更新日期：2008-06-01 00:00:00

abstract：:A single Klebsiella pneumoniae strain isolated in a Bulgarian hospital was found to produce CTX-M-71, a new CTX-M variant characterized by one amino acid substitution from glycine to cysteine at position 238 in comparison to CTX-M-15. This exchange decreased the hydrolytic activity of the beta-lactamase for cefotaxime...

journal_title：Antimicrobial agents and chemotherapy

authors： Schneider I,Queenan AM,Markovska R,Markova B,Keuleyan E,Bauernfeind A

更新日期：2009-10-01 00:00:00

abstract：:We investigated the effects of anidulafungin alone and in combination with amphotericin B against Aspergillus fumigatus. Indifference was the only type of interaction observed in vitro. Anidulafungin at 1 and 5 mg/kg of body weight/day, amphotericin B at 1 mg/kg/day, and combination therapy prolonged the survival of m...

journal_title：Antimicrobial agents and chemotherapy

authors： Spreghini E,Orlando F,Santinelli A,Pisa E,Loretelli C,Manso E,Milici ME,Scalise G,Barchiesi F

更新日期：2009-09-01 00:00:00

abstract：:We determined whether gyrA mutations were present in fluoroquinolone-resistant laboratory mutants derived from the Bacteroides fragilis reference strain ATCC 25285 and in clinical isolates of B. fragilis. The two first-step mutants selected on ciprofloxacin (CIP) were devoid of gyrA mutations, whereas two of the three...

journal_title：Antimicrobial agents and chemotherapy

authors： Bachoual R,Dubreuil L,Soussy CJ,Tankovic J

更新日期：2000-07-01 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：:The incidence of measles virus (MV) infection has been significantly reduced in many nations through extensive vaccination; however, the virus still causes significant morbidity and mortality in developing countries. Measles outbreaks also occur in some developed countries that have failed to maintain high vaccine cov...

journal_title：Antimicrobial agents and chemotherapy

authors： Plemper RK,Doyle J,Sun A,Prussia A,Cheng LT,Rota PA,Liotta DC,Snyder JP,Compans RW

更新日期：2005-09-01 00:00:00

abstract：:Activity of the new antiviral compound selenazofurin was compared with the known active compounds ribavirin and amantadine against influenza A and B viruses. In experiments with Madin Darby canine kidney cells, selenazofurin inhibited the cytopathic effect and yield of influenza A/NWS/33 virus, with 50% effective dose...

journal_title：Antimicrobial agents and chemotherapy

authors： Sidwell RW,Huffman JH,Call EW,Alaghamandan H,Cook PD,Robins RK

更新日期：1985-09-01 00:00:00

abstract：:Free-living amoebae of the genus Acanthamoeba are causing serious chronic conditions such as destructive keratitis in contact lens wearers or granulomatous amoebic encephalitis in individuals with compromised immune systems. Both are characterized by the lack of availability of sufficiently effective and uncomplicated...

journal_title：Antimicrobial agents and chemotherapy

authors： Walochnik J,Duchêne M,Seifert K,Obwaller A,Hottkowitz T,Wiedermann G,Eibl H,Aspöck H

更新日期：2002-03-01 00:00:00

abstract：:The interaction between four fluoroquinolones (ciprofloxacin, norfloxacin, pefloxacin, and ofloxacin) and biofilms of Pseudomonas aeruginosa in wells of microtiter plates and on segments of vascular catheters were studied in an in vitro model of vascular catheter colonization. Subinhibitory concentrations (one-half, o...

journal_title：Antimicrobial agents and chemotherapy

authors： Yassien M,Khardori N,Ahmedy A,Toama M

更新日期：1995-10-01 00:00:00

abstract：:This study was undertaken to investigate biochemical, genetic, and epidemiological aspects of resistance to aminoglycoside antibiotics among 650 consecutive isolates of Pseudomonas aeruginosa from Parkland Memorial Hospital, Dallas, Tex. In 364 strains, minimal inhibitory concentrations were 25 mug/ml or greater for g...

journal_title：Antimicrobial agents and chemotherapy

authors： Holmes RK,Minshew BH,Gould IK,Sanford JP

更新日期：1974-09-01 00:00:00

abstract：:The host immune response to human cytomegalovirus (HCMV) is effective against HCMV reactivation from latency, though not sufficient to clear the virus. T cells are primarily responsible for the control of viral reactivation. When the host immune system is compromised, as in transplant recipients with immunosuppression...

journal_title：Antimicrobial agents and chemotherapy

authors： Meng W,Tang A,Ye X,Gui X,Li L,Fan X,Schultz RD,Freed DC,Ha S,Wang D,Zhang N,Fu TM,An Z

更新日期：2017-12-21 00:00:00

abstract：:The efficacy of an itraconazole-cyclodextrin solution against Aspergillus fumigatus was assessed in an immunosuppressed, temporarily leukopenic rabbit model of invasive aspergillosis and compared with that of amphotericin B. Oral itraconazole solution at dosages of 20 and 40 mg/kg/day improved survival as compared wit...

journal_title：Antimicrobial agents and chemotherapy

authors： Patterson TF,Fothergill AW,Rinaldi MG

更新日期：1993-11-01 00:00:00

abstract：:Candida parapsilosis isolates occasionally display resistance in vitro to echinocandins and cause breakthrough infections to echinocandins. The degree of the in vivo cross-resistance among echinocandins and the fitness loss associated with caspofungin (CAS) resistance of C. parapsilosis are not well studied. We compar...

journal_title：Antimicrobial agents and chemotherapy

authors： Dimopoulou D,Hamilos G,Tzardi M,Lewis RE,Samonis G,Kontoyiannis DP

更新日期：2014-01-01 00:00:00

abstract：:Nontyphoidal Salmonella enterica strains with a nonclassical quinolone resistance phenotype were isolated from patients returning from Thailand or Malaysia to Finland. A total of 10 isolates of seven serovars were studied in detail, all of which had reduced susceptibility (MIC > or = 0.125 microg/ml) to ciprofloxacin ...

journal_title：Antimicrobial agents and chemotherapy

authors： Gunell M,Webber MA,Kotilainen P,Lilly AJ,Caddick JM,Jalava J,Huovinen P,Siitonen A,Hakanen AJ,Piddock LJ

更新日期：2009-09-01 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 global control of tuberculosis (TB) is at risk by the spread of multidrug-resistant TB (MDR TB). Treatment of MDR TB is lengthy and involves injected drugs, such as capreomycin, that have severe side effects. It was previously reported that a single daily dose of inhaled capreomycin had a positive effect on the ba...

journal_title：Antimicrobial agents and chemotherapy

authors： Garcia-Contreras L,Muttil P,Fallon JK,Kabadi M,Gerety R,Hickey AJ

更新日期：2012-05-01 00:00:00

abstract：:Mycobacterium tuberculosis, the causative agent of human tuberculosis (TB), has surpassed HIV/AIDS as the leading cause of death from a single infectious agent. The increasing occurrence of drug-resistant strains has become a major challenge for health care systems and, in some cases, has rendered TB untreatable. Howe...

journal_title：Antimicrobial agents and chemotherapy

authors： Meikle V,Mossberg AK,Mitra A,Hakansson AP,Niederweis M

更新日期：2019-01-29 00:00:00

abstract：:Neisseria meningitidis has been relatively slow to acquire resistance to penicillin. We previously reported an increase in the incidence of invasive meningococcal disease (IMD) strains with decreased susceptibility to penicillin (DSP) in Ontario. Our objectives were to evaluate trends in IMD with DSP, to identify case...

journal_title：Antimicrobial agents and chemotherapy

authors： Brown EM,Fisman DN,Drews SJ,Dolman S,Rawte P,Brown S,Jamieson F

更新日期：2010-03-01 00:00:00

abstract：:The cytochrome P450 enzyme-encoding genes rosC and rosD were cloned from the rosamicin biosynthetic gene cluster of Micromonospora rosaria IFO13697. The functions of RosC and RosD were demonstrated by gene disruption and complementation with M. rosaria and bioconversion of rosamicin biosynthetic intermediates with Esc...

journal_title：Antimicrobial agents and chemotherapy

authors： Iizaka Y,Higashi N,Ishida M,Oiwa R,Ichikawa Y,Takeda M,Anzai Y,Kato F

更新日期：2013-03-01 00:00:00

abstract：:Staphylococcus aureus is a bacterial pathogen responsible for the majority of skin and soft tissue infections. Antibiotics are losing their efficacy as treatment for skin and soft tissue infections as a result of increased resistance in a variety of pathogens, including S. aureus It is thus imperative to explore alter...

journal_title：Antimicrobial agents and chemotherapy

authors： van Staden Adu P,Heunis T,Smith C,Deane S,Dicks LM

更新日期：2016-06-20 00:00:00

abstract：:We compared the kinetics of amphotericin B (AMB) lung accumulation and fungal clearance by liposomal amphotericin B (L-AMB) and amphotericin B lipid complex (ABLC) in a neutropenic murine model of invasive pulmonary mucormycosis (IPM). Immunosuppressed BALB/c mice were inoculated with 1 x 10(6) Rhizopus oryzae spores ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lewis RE,Albert ND,Liao G,Hou J,Prince RA,Kontoyiannis DP

更新日期：2010-03-01 00:00:00

abstract：:We report here on a quantitative real-time reverse transcription-PCR (qRT-PCR) assay for assessing drug efficacy against the intracellular pathogen Cryptosporidium parvum. The qRT-PCR assay detects 18S rRNA transcripts from both parasites, that is, the cycle threshold for 18S rRNA from parasites (C(T)([P18S])) and hos...

journal_title：Antimicrobial agents and chemotherapy

authors： Cai X,Woods KM,Upton SJ,Zhu G

更新日期：2005-11-01 00:00:00