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Ceftolozane

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https://www.readbyqxmd.com/read/27887579/outcomes-of-high-dose-levofloxacin-therapy-remain-bound-to-the-levofloxacin-minimum-inhibitory-concentration-in-complicated-urinary-tract-infections
#1
Eliana S Armstrong, Janelle A Mikulca, Daniel J Cloutier, Caleb A Bliss, Judith N Steenbergen
BACKGROUND: Fluoroquinolones are a guideline-recommended therapy for complicated urinary tract infections, including pyelonephritis. Elevated drug concentrations of fluoroquinolones in the urine and therapy with high-dose levofloxacin are believed to overcome resistance and effectively treat infections caused by resistant bacteria. The ASPECT-cUTI phase 3 clinical trial (ClinicalTrials.gov, NCT01345929 and NCT01345955 , both registered April 28, 2011) provided an opportunity to test this hypothesis by examining the clinical and microbiological outcomes of high-dose levofloxacin treatment by levofloxacin minimum inhibitory concentration...
November 25, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27850312/673-real-world-evaluation-of-ceftolozane-tazobactam-in-a-large-cohort-of-hospitals-in-the-united-states
#2
Sanjay Merchant, Elizabeth Rhee, John Hawkshead, Rishi Agarwal, Vaibhav Kapoor, Nicole Cossrow
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27850300/661-pk-pd-and-safety-of-3-g-ceftolozane-tazobactam-in-critically-ill-augmented-renal-clearance-patients
#3
Luzelena Caro, Kajal Larson, David Nicolau, Jan DeWaele, Joseph Kuti, Elaine Gadzicki, Brian Yu, Elizabeth Rhee
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27850290/651-ceftolozane-tazobactam-and-ceftazidime-avibactam-against-meropenem-resistant-pseudomonas-aeruginosa
#4
Mordechai Grupper, Christina Sutherland, David Nicolau
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27818808/persistent-bacteremia-from-pseudomonas-aeruginosa-with-in-vitro-resistance-to-the-novel-antibiotics-ceftolozane-tazobactam-and-ceftazidime-avibactam
#5
Louie Mar Gangcuangco, Patricia Clark, Cynthia Stewart, Goran Miljkovic, Zane K Saul
Ceftazidime-avibactam and ceftolozane-tazobactam are new antimicrobials with activity against multidrug-resistant Pseudomonas aeruginosa. We present the first case of persistent P. aeruginosa bacteremia with in vitro resistance to these novel antimicrobials. A 68-year-old man with newly diagnosed follicular lymphoma was admitted to the medical intensive care unit for sepsis and right lower extremity cellulitis. The patient was placed empirically on vancomycin and piperacillin-tazobactam. Blood cultures from Day 1 of hospitalization grew P...
2016: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/27795348/ceftolozane-tazobactam-susceptibility-testing-of-pseudomonas-aeruginosa-a-comparison-of-etest-to-broth-microdilution
#6
Lauren K Flynt, Michael P Veve, Linoj P Samuel, Robert J Tibbets
The emergence and spread of multi-drug resistant (MDR) Pseudomonas aeruginosa is a significant burden to healthcare-systems due to poor patient outcomes, serious infection control implications, and limited antibiotic effectiveness.….
October 26, 2016: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27743202/updates-in-the-management-of-cephalosporin-resistant-gram-negative-bacteria
#7
Andre Arizpe, Kelly R Reveles, Shrina D Patel, Samuel L Aitken
Resistance to cephalosporins is now common among Gram-negative bacterial infections, including those caused by the Enterobacteriaceae and Pseudomonas aeruginosa, posing a major threat to public health. As resistance to the traditional drugs of choice for these infections, carbapenems, has also become increasingly common, interest in cefepime and piperacillin-tazobactam as carbapenem-sparing alternatives has increased. Additionally, the availability of the novel β-lactam-β-lactamase inhibitor combinations ceftolozane-tazobactam and ceftazidime-avibactam has added to the antimicrobial armamentarium available to treat these multidrug-resistant infections...
December 2016: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/27712137/an-update-on-the-management-of-urinary-tract-infections-in-the-era-of-antimicrobial-resistance
#8
Mazen S Bader, Mark Loeb, Annie A Brooks
Urinary tract infections (UTIs) caused by antibiotic-resistant Gram-negative bacteria are a growing concern due to limited therapeutic options. Gram-negative bacteria, specifically Enterobacteriaceae, are common causes of both community-acquired and hospital acquired UTIs. These organisms can acquire genes that encode for multiple antibiotic resistance mechanisms, including extended-spectrum-lactamases (ESBLs), AmpC- β -lactamase, and carbapenemases. The assessment of suspected UTI includes identification of characteristic symptoms or signs, urinalysis, dipstick or microscopic tests, and urine culture if indicated...
October 7, 2016: Postgraduate Medicine
https://www.readbyqxmd.com/read/27707990/efficacy-of-ceftolozane-tazobactam-against-urinary-tract-and-intra-abdominal-infections-caused-by-esbl-producing-escherichia-coli-and-klebsiella-pneumoniae-a-pooled-analysis-of-phase-3-clinical-trials
#9
Myra W Popejoy, David L Paterson, Daniel Cloutier, Jennifer A Huntington, Benjamin Miller, Caleb A Bliss, Judith N Steenbergen, Ellie Hershberger, Obiamiwe Umeh, Keith S Kaye
OBJECTIVES: The increase in infections caused by drug-resistant ESBL-producing Enterobacteriaceae (ESBL-ENT) is a global concern. The characteristics and outcomes of patients infected with ESBL-ENT were examined in a pooled analysis of Phase 3 clinical trials of ceftolozane/tazobactam in patients with complicated urinary tract infections (ASPECT-cUTI) and complicated intra-abdominal infections (ASPECT-cIAI). METHODS: Trials were randomized and double blind. The ASPECT-cUTI regimen was 7 days of either intravenous ceftolozane/tazobactam (1...
October 5, 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27671063/pharmacodynamics-of-ceftolozane-combined-with-tazobactam-against-enterobacteriaceae-in-a-neutropenic-mouse-thigh-model
#10
M J Melchers, E Mavridou, A C van Mil, C Lagarde, J W Mouton
Ceftolozane is a new broad-spectrum cephalosporin and combined with tazobactam to broaden its activity against strains producing extended spectrum beta-lactamases (ESBL). We determined the pharmacodynamics (PD) of the combination in the neutropenic mouse thigh model to determine the optimal exposure of tazobactam. Treatment was started in CD-1 neutropenic mice 2h after infection with ceftolozane q2h alone or in combination with tazobactam using different dose frequencies for 24h and cfu determined in the thighs before and after treatment...
September 26, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27670678/successful-treatment-of-multidrug-resistant-pseudomonas-aeruginosa-breakthrough-bacteremia-with-ceftolozane-tazobactam
#11
Alberto Hernández-Tejedor, Carmen Débora Merino-Vega, Alfredo Martín-Vivas, Rafael Ruiz de Luna-González, Alberto Delgado-Iribarren, Ángeles Gabán-Díez, Ignacio Temprano-Gómez, Natalia de la Calle-Pedrosa, Ana Isabel González-Jiménez, Alejandro Algora-Weber
INTRODUCTION: Ceftolozane/tazobactam is a novel antibiotic approved for the treatment of complicated intra-abdominal and complicated urinary tract infections. CASE DESCRIPTION: We describe the use of off-label ceftolozane/tazobactam in the management of a multidrug-resistant Pseudomonas aeruginosa bacteremia that was already being treated with colistin and amikacin, the only active antibiotics according to the antibiogram.
September 26, 2016: Infection
https://www.readbyqxmd.com/read/27608309/-resistant-gram-negative-bacteria-therapeutic-approach-and-risk-factors
#12
REVIEW
P Salgado, F Gilsanz, E Maseda
The rapid spread of multidrug-resistant bacteria has become a serious threat, especially in critical care units, thereby prolonging the hospital stay. Enterobacteriaceae have a high capacity to adapt to any environment. Plasmids are the reason behind their expansion. The choice of empiric therapy for intra-abdominal or urinary infections requires knowledge of the intrinsic microbiological variability of each hospital or critical care unit, as well as the source of infection, safety or antibiotic toxicity, interaction with other drugs, the dosage regimen and the presence of risk factors...
September 2016: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/27599088/what-is-the-role-of-the-new-%C3%AE-lactam-%C3%AE-lactamase-inhibitors-ceftolozane-tazobactam-and-ceftazidime-avibactam
#13
Ivan Gentile, Alberto Enrico Maraolo, Guglielmo Borgia
No abstract text is available yet for this article.
October 2016: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/27550351/population-pharmacokinetics-and-safety-of-ceftolozane-tazobactam-in-adult-cystic-fibrosis-patients-admitted-with-acute-pulmonary-exacerbation
#14
Marguerite L Monogue, Rebecca S Pettit, Marianne Muhlebach, Jeffrey J Cies, David P Nicolau, Joseph L Kuti
Ceftolozane/tazobactam has potent activity against Pseudomonas aeruginosa, a pathogen associated with cystic fibrosis (CF) acute pulmonary exacerbations (APE). Due to the rapid elimination of many antibiotics, CF patients frequently have altered pharmacokinetics. In this multicenter, open-label study, we describe the population pharmacokinetics and safety of ceftolozane/tazobactam 3g every 8 hours (q8h) in 20 adult CF patients admitted with APE. Population pharmacokinetics were performed by Non-Parametric Adaptive Grid in Pmetrics for R...
August 22, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27522066/successful-use-of-ceftolozane-tazobactam-to-treat-a-pulmonary-exacerbation-of-cystic-fibrosis-caused-by-multidrug-resistant-pseudomonas-aeruginosa
#15
Stephen B Vickery, David McClain, Kurt A Wargo
Ceftolozane-tazobactam, a novel β-lactam/β-lactamase inhibitor, was recently approved for the treatment of complicated urinary tract and intraabdominal infections, as monotherapy and in combination with metronidazole, respectively. Ceftolozane-tazobactam exhibits a wide spectrum of activity against both gram-positive bacteria, gram-negative bacteria including multidrug-resistant (MDR) Pseudomonas aeruginosa, and some anaerobic bacteria. Although not currently approved for any pulmonary indication, studies have demonstrated excellent distribution to epithelial lining fluid, indicating that it may be an alternative agent to use in the treatment of respiratory tract infections caused by MDRP...
October 2016: Pharmacotherapy
https://www.readbyqxmd.com/read/27473285/pharmacokinetics-safety-and-tolerability-of-ceftolozane-tazobactam-in-healthy-japanese-chinese-and-white-subjects
#16
Anthony Aiudi, Benjamin Miller, Gopal Krishna, Adedayo Adedoyin, Alan Xiao
Ceftolozane/tazobactam, a novel antibacterial with potent activity against Gram-negative pathogens, was developed for treatment of complicated urinary tract infections, including pyelonephritis, and intra-abdominal infections. A phase 1 pharmacokinetic (PK) study of ceftolozane/tazobactam in healthy Japanese, Chinese, and white volunteers was conducted to assess the potential effect of ethnicity on PK. The PK of ceftolozane, tazobactam, and tazobactam metabolite M1 was compared after single 1.5- and 3-g intravenous doses of ceftolozane/tazobactam...
December 2016: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/27437155/treatment-of-polymicrobial-osteomyelitis-with-ceftolozane-tazobactam-case-report-and-sensitivity-testing-of-isolates
#17
Jeffrey C Jolliff, Jackie Ho, Jeremiah Joson, Arash Heidari, Royce Johnson
Stenotrophomonas maltophilia is an inherently multidrug resistant (MDR) opportunistic pathogen with many mechanisms of resistance. SENTRY studies reveal decreasing sensitivities of S. maltophilia to trimethoprim-sulfamethoxazole and fluoroquinolones. Ceftolozane-tazobactam (Zerbaxa, Merck & Co., Inc.) a novel intravenous combination agent of a third-generation cephalosporin and β-lactamase inhibitor was demonstrated to have in vitro activity against many Gram-positive, Gram-negative, and MDR organisms. Data for ceftolozane-tazobactam's use outside of Food and Drug Administration (FDA) approved indications has been limited thus far to two case reports which demonstrated its efficacy in pan-resistant Pseudomonas aeruginosa pneumonia...
2016: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/27411471/the-rapid-development-of-esbl-e-coli-resistance-to-ceftolozane-tazobactam-in-a-patient-with-a-liver-abscess-the-search-for-an-omnipotent-antibiotic-goes-on
#18
Mohamed Teleb, Enrique Soto-Ruiz, Delfina C Domínguez, Suresh Antony
Multi drug resistant (MDR) Pseudomonas aeruginosa and Extended-Spectrum-lactamase (ESBL) Enterobacteriaceae are becoming an increasing difficult clinical problem. Immediate resistance to some of the new antimicrobials such as ceftolozane/tazobactam is unusual and is due to a variety of mechanisms such as hy-per-production of inactivating enzymes and gene mutation. In addition, previous antimicrobial administration is a well-recognized risk factor to develop resistance. We present a patient with a liver abscess where the organism was resistant to ceftolozane/tazobactam resulting in a poor clinical outcome...
July 13, 2016: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/27347712/emerging-drugs-for-nosocomial-pneumonia
#19
Adamantia Liapikou, Antoni Torres
INTRODUCTION: Hospital-acquired pneumonia (HAP) is one of the leading nosocomial infections worldwide and is associated with an elevated morbidity and mortality and increased hospital costs. Nevertheless, prompt and adequate antimicrobial treatment is mandatory following VAP development, especially in the face of multidrug resistant pathogens. AREAS COVERED: We searched Pubmed and ClinicalTrials.gov site reports in English language of phase III clinical trials, between 2000-2016 referring to the antibiotic treatment of nosocomial pneumonia...
September 2016: Expert Opinion on Emerging Drugs
https://www.readbyqxmd.com/read/27346919/ceftolozane-sulfate-with-tazobactam-sodium
#20
REVIEW
(no author information available yet)
No abstract text is available yet for this article.
June 2016: Australian Prescriber
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