Efficacy of ciprofloxacin against Leptospira interrogans serogroup icterohaemorrhagiae.

abstract：:The morphology of cells of the H37Ra strain of Mycobacterium tuberculosis exposed to 0.5 mug of isonicotinic acid hydrazide (isoniazid) per ml was examined by scanning electron microscopy (SEM). Cells that were exposed to isoniazid for 3 h showed no detectable change, whereas cells exposed to the drug for 24 h exhibit...

journal_title：Antimicrobial agents and chemotherapy

authors： Takayama K,Wang L,Merkal RS

更新日期：1973-07-01 00:00:00

abstract：:β-Lactams are often used to treat Helicobacter cinaedi infections; however, the mechanism underlying β-lactam resistance is unknown. In this study, we investigated β-lactam resistance in an H. cinaedi strain, MRY12-0051 (MICs of amoxicillin [AMX] and ceftriaxone [CRO], 32 and 128 μg/ml; obtained from human feces). Bas...

journal_title：Antimicrobial agents and chemotherapy

authors： Rimbara E,Mori S,Kim H,Suzuki M,Shibayama K

更新日期：2018-01-25 00:00:00

abstract：:The postantibiotic effect (PAE) (10 times the MIC of quinolones, 5 times the MIC of macrolides) and postantibiotic sub-MIC effect (PAE-SME) at 0.125, 0.25, and 0.5 times the MIC were determined for levofloxacin, ciprofloxacin, ofloxacin, erythromycin, azithromycin, and clarithromycin against 20 pneumococci. Quinolone ...

journal_title：Antimicrobial agents and chemotherapy

authors： Spangler SK,Lin G,Jacobs MR,Appelbaum PC

更新日期：1998-05-01 00:00:00

abstract：:There is an increasing need for novel drugs and new strategies for the therapy of invasive candidiasis. This study aimed to develop and characterize liposome-based nanoparticles of carvacrol, cinnamaldehyde, citral or thymol with anti-Candida activities. Dioctadecyldimethylammonium bromide- and monoolein-based liposom...

journal_title：Antimicrobial agents and chemotherapy

authors： Miranda-Cadena K,Dias M,Costa-Barbosa A,Collins T,Marcos-Arias C,Eraso E,Pais C,Quindós G,Sampaio P

更新日期：2021-01-19 00:00:00

abstract：:Artemisinin and its derivatives are important new antimalarials which are now used widely in Southeast Asia. Clinically relevant artemisinin resistance has not yet been reported but is likely to occur. In order to understand how the malaria parasite might become resistant to this drug, we studied artemisinin resistanc...

journal_title：Antimicrobial agents and chemotherapy

authors： Walker DJ,Pitsch JL,Peng MM,Robinson BL,Peters W,Bhisutthibhan J,Meshnick SR

更新日期：2000-02-01 00:00:00

abstract：:The comparative in vitro activity of SMT19969, a novel, narrow-spectrum, nonabsorbable agent, was studied against 50 ribotype-defined Clostridium difficile strains, 174 Gram-positive and 136 Gram-negative intestinal anaerobes, and 40 Gram-positive aerobes. SMT19969 was one dilution more active against C. difficile iso...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Citron DM,Tyrrell KL,Merriam CV

更新日期：2013-10-01 00:00:00

abstract：:Disseminated infections caused by the Mycobacterium avium-M. intracellulare complex (MAC) are the most frequent opportunistic bacterial infections in patients with AIDS. MAC isolates are resistant to many of the standard antituberculous drugs. Failure to obtain significant activities of certain drugs is due to difficu...

journal_title：Antimicrobial agents and chemotherapy

authors： Mehta RT

更新日期：1996-08-01 00:00:00

abstract：:For 177 gram-negative isolates, the MICs for ciprofloxacin ranged from 0.02 microgram/ml (Escherichia coli) to 0.31 microgram/ml (Pseudomonas aeruginosa). In time-kill curves, ciprofloxacin at 8 X the MIC almost completely killed 10(6) CFU of P. aeruginosa by 24 h. Ciprofloxacin at 4 X the MIC allowed bacterial regrow...

journal_title：Antimicrobial agents and chemotherapy

authors： Rudin JE,Norden CW,Shinners EM

更新日期：1984-10-01 00:00:00

abstract：:We conducted time-kill studies to evaluate the inhibitory activities of either cefotaxime or minocycline alone and the two drugs in combination against a clinical strain of Vibrio vulnificus. The MICs of cefotaxime and minocycline were 0.03 and 0.06 microg/ml, respectively. When approximately 5 x 10(5) CFU of V. vulni...

journal_title：Antimicrobial agents and chemotherapy

authors： Chuang YC,Liu JW,Ko WC,Lin KY,Wu JJ,Huang KY

更新日期：1997-10-01 00:00:00

abstract：:The pharmacogenetics of antimalarial agents are poorly known, although the application of pharmacogenetics might be critical in optimizing treatment. This population pharmacokinetic-pharmacogenetic study aimed at assessing the effects of single nucleotide polymorphisms (SNPs) in cytochrome P450 isoenzyme genes (CYP, n...

journal_title：Antimicrobial agents and chemotherapy

authors： Staehli Hodel EM,Csajka C,Ariey F,Guidi M,Kabanywanyi AM,Duong S,Decosterd LA,Olliaro P,Beck HP,Genton B

更新日期：2013-02-01 00:00:00

abstract：:INX-08189 is an aryl-phosphoramidate of 6-O-methyl-2'-C-methyl guanosine. INX-08189 was highly potent in replicon assays, with a 50% effective concentration of 10±6 nM against hepatitis C genotype 1b at 72 h. The inhibitory effect on viral replication was rapid, with a 50% effective concentration (EC50) of 35±8 nM at ...

journal_title：Antimicrobial agents and chemotherapy

authors： Vernachio JH,Bleiman B,Bryant KD,Chamberlain S,Hunley D,Hutchins J,Ames B,Gorovits E,Ganguly B,Hall A,Kolykhalov A,Liu Y,Muhammad J,Raja N,Walters CR,Wang J,Williams K,Patti JM,Henson G,Madela K,Aljarah M,Gilles

更新日期：2011-05-01 00:00:00

abstract：:Paradoxical growth of some Candida isolates occurs at concentrations above the MIC for echinocandins. In 60 Candida bloodstream isolates from cancer patients (20 C. albicans isolates and 10 isolates each of C. parapsilosis, C. tropicalis, C. krusei, and C. glabrata), paradoxical growth was more frequent with caspofung...

journal_title：Antimicrobial agents and chemotherapy

authors： Chamilos G,Lewis RE,Albert N,Kontoyiannis DP

更新日期：2007-06-01 00:00:00

abstract：:Aminoglycoside 2″-phosphotransferases are the major aminoglycoside-modifying enzymes in clinical isolates of enterococci and staphylococci. We describe a novel aminoglycoside 2″-phosphotransferase from the Gram-negative pathogen Campylobacter jejuni, which shares 78% amino acid sequence identity with the APH(2″)-Ia do...

journal_title：Antimicrobial agents and chemotherapy

authors： Toth M,Frase H,Antunes NT,Vakulenko SB

更新日期：2013-01-01 00:00:00

abstract：:Omadacycline is an aminomethylcycline antibiotic with in vitro activity against pathogens causing community-acquired bacterial pneumonia (CABP). This study investigated the activity of omadacycline against Legionella pneumophila strains isolated between 1995 and 2014 from nosocomial or community-acquired respiratory i...

journal_title：Antimicrobial agents and chemotherapy

authors： Dubois J,Dubois M,Martel JF

更新日期：2020-04-21 00:00:00

abstract：:Candida albicans biofilms are generally considered to be resistant to azole antifungal agents but susceptible to echinocandins. We demonstrate that in a sequential therapy regimen, treatment with fluconazole first followed by caspofungin leads to a significant decrease of the efficacy of this echinocandin. Cellular st...

journal_title：Antimicrobial agents and chemotherapy

authors： Sarkar S,Uppuluri P,Pierce CG,Lopez-Ribot JL

更新日期：2014-01-01 00:00:00

abstract：:A single point mutation in the 23S rRNA gene of Helicobacter pylori is known to confer resistance to clarithromycin. Most prevalent among clarithromycin-resistant clinical H. pylori isolates are the mutations from A-2142 to G and A-2143 to G in the 23S rRNA gene. The bias in the 23S rRNA gene mutations conferring clar...

journal_title：Antimicrobial agents and chemotherapy

authors： Debets-Ossenkopp YJ,Brinkman AB,Kuipers EJ,Vandenbroucke-Grauls CM,Kusters JG

更新日期：1998-10-01 00:00:00

abstract：:Racemic 2'-deoxy-3'-thiacytidine (BCH 189) is a dideoxycytidine analog having a sulfur atom in place of the 3' carbon. The enantiomers of BCH 189 have been resolved and found to be equipotent in antiviral activity against human immunodeficiency virus types 1 and 2. However, the (-)-enantiomer (3TC) is considerably les...

journal_title：Antimicrobial agents and chemotherapy

authors： Coates JA,Cammack N,Jenkinson HJ,Mutton IM,Pearson BA,Storer R,Cameron JM,Penn CR

更新日期：1992-01-01 00:00:00

abstract：:When developing novel microbicide products for the prevention of HIV infection, the preclinical safety program must evaluate not only the active pharmaceutical ingredient but also the product itself. To that end, we applied several relatively standard toxicology study methodologies to female sheep, incorporating an as...

journal_title：Antimicrobial agents and chemotherapy

authors： Holt JD,Cameron D,Dias N,Holding J,Muntendam A,Oostebring F,Dreier P,Rohan L,Nuttall J

更新日期：2015-07-01 00:00:00

abstract：:The Pseudomonas R factor RP1 determines an inducible tetracycline resistance similar to that described for Escherichia coli R factors. The level of RP1-determined resistance measured by minimal inhibitory concentration testing is dependent on the host bacteria and corresponds to the magnitude of decrease in tetracycli...

journal_title：Antimicrobial agents and chemotherapy

authors： Shipley PL,Olsen RH

更新日期：1974-08-01 00:00:00

abstract：:Although ampicillin has been suggested as a useful agent for the treatment of nocardiosis in man, little is known regarding the presence of beta-lactamase in Nocardia or its possible role in determining resistance to ampicillin and the other beta-lactam antibiotics. We have evaluated 55 isolates of Nocardia for suscep...

journal_title：Antimicrobial agents and chemotherapy

authors： Wallace RJ Jr,Vance P,Weissfeld A,Martin RR

更新日期：1978-11-01 00:00:00

abstract：:A disk bioassay for determining clindamycin serum levels is presented. This method is rapid (results available in 6.0 to 6.5 h), reliable, and simple to perform. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Liberman DF,Fitzgerald J,Robertson RG

更新日期：1974-05-01 00:00:00

abstract：:In a dose-ranging study of amprenavir (formerly 141W94), an inhibitor of the protease enzyme of human immunodeficiency virus (HIV) type 1, single-dose and steady-state pharmacokinetic parameters were estimated from plasma samples collected on day 1 and during week 3, respectively. Amprenavir was administered on either...

journal_title：Antimicrobial agents and chemotherapy

authors： Sadler BM,Gillotin C,Lou Y,Stein DS

更新日期：2001-01-01 00:00:00

abstract：:Single amino acid substitutions in the Ω loop of KPC β-lactamases are known to lead to resistance to the ceftazidime-avibactam combination. Here, we investigate this mechanism of resistance in CTX-M enzymes, which are the most widely spread extended-spectrum β-lactamases worldwide. Nine single amino acid polymorphisms...

journal_title：Antimicrobial agents and chemotherapy

authors： Compain F,Dorchène D,Arthur M

更新日期：2018-08-27 00:00:00

abstract：:Whole and fractionated latex of Asclepias syriaca was tested for antimicrobial or growth-promoting activity with 16 genera and species of bacteria. Latex and extracted fractions (distilled water, acetic acid, sodium bicarbonate, sulfuric acid, and ethyl ether) possessed no detectable antimicrobial activity. Comparison...

journal_title：Antimicrobial agents and chemotherapy

authors： McCay S,Mahlberg P

更新日期：1973-02-01 00:00:00

abstract：:The in vitro sensitivity of Plasmodium falciparum to atorvastatin and rosuvastatin was assessed using chloroquine-sensitive and chloroquine-resistant strains. Although atorvastatin was more potent, it had weak activity (mean 50% inhibitory concentration of > or = 17 microM) and an indifferent interaction with chloroqu...

journal_title：Antimicrobial agents and chemotherapy

authors： Wong RP,Davis TM

更新日期：2009-05-01 00:00:00

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：: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：:An inhibitor-based characterization system which allowed the identification of beta-lactamases after isoelectric focusing on polyacrylamide gels was developed. This system, using potassium clavulanate and oxacillin, distinguished type I chromosomally mediated enzymes from other beta-lactamases of gram-negative bacteri...

journal_title：Antimicrobial agents and chemotherapy

authors： Sanders CC,Sanders WE Jr,Moland ES

更新日期：1986-12-01 00:00:00

abstract：:RBx 11760, a bi-aryl oxazolidinone, was investigated for antibacterial activity against Gram-positive bacteria. The MIC90s of RBx 11760 and linezolid against Staphylococcus aureus were 2 and 4 mg/liter, against Staphylococcus epidermidis were 0.5 and 2 mg/liter, and against Enterococcus were 1 and 4 mg/liter, respecti...

journal_title：Antimicrobial agents and chemotherapy

authors： Barman TK,Kumar M,Mathur T,Chaira T,Ramkumar G,Kalia V,Rao M,Pandya M,Yadav AS,Das B,Upadhyay DJ,Hamidullah,Konwar R,Raj VS,Singh H

更新日期：2016-11-21 00:00:00

abstract：:High dosages of ceftriaxone are used to treat central nervous system (CNS) infections. Dosage adaptation according to the glomerular filtration rate is currently not recommended. Ceftriaxone pharmacokinetics (PK) was investigated by a population approach in patients enrolled in a French multicenter prospective cohort ...

journal_title：Antimicrobial agents and chemotherapy

authors： Grégoire M,Dailly E,Le Turnier P,Garot D,Guimard T,Bernard L,Tattevin P,Vandamme YM,Hoff J,Lemaitre F,Verdier MC,Deslandes G,Bellouard R,Sébille V,Chiffoleau A,Boutoille D,Navas D,Asseray N

更新日期：2019-08-23 00:00:00