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Doripenem

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https://www.readbyqxmd.com/read/28449875/development-and-validation-of-a-quantitative-confirmatory-method-for-30-%C3%AE-lactam-antibiotics-in-bovine-muscle-using-liquid-chromatography-coupled-to-tandem-mass-spectrometry
#1
M Di Rocco, M Moloney, T O'Beirne, S Earley, B Berendsen, A Furey, M Danaher
A method was developed for the confirmatory and quantitative analysis of 30 β-lactam antibiotic residues in bovine muscle. The method includes 12 penicillins (amoxicillin, ampicillin, cloxacillin, dicloxacillin, mecillinam, methicillin, nafcillin, oxacillin, penicillin G, penicillin V, piperacillin, ticarcillin), 12 cephalosporins (cefacetrile, cefadroxil, cephalexin, cefalonium, cefazolin, cefoperazone, cefotaxime, cefquinome, cefuroxime, desacetyl cephapirin, desfuroylceftiofur cysteine disulfide, desfuroylceftiofur dimer), five carbapenems (biapenem, doripenem, ertapenem, imipenem, meropenem) and faropenem...
April 12, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28369424/in-vitro-evaluation-of-different-antimicrobial-combinations-against-carbapenemase-producing-klebsiella-pneumoniae-the-activity-of-the-double-carbapenem-regimen-is-related-to-meropenem-mic-value
#2
A Oliva, L Scorzolini, A Cipolla, M T Mascellino, F Cancelli, D Castaldi, A D'Abramo, C D'Agostino, G Russo, M R Ciardi, C M Mastroianni, V Vullo
Objectives and methods: We evaluated the in vitro activity of different antimicrobial combinations with and without colistin against 39 carbapenem-resistant Klebsiella pneumoniae (CR-Kp) strains (colistin + meropenem/doripenem, colistin + tigecycline, colistin + rifampicin, gentamicin + meropenem, gentamicin + tigecycline and the double-carbapenem regimen meropenem + ertapenem) using the chequerboard method. The triple combination colistin + meropenem + tigecycline was also tested...
March 22, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28358014/untargeted-metabolomics-analysis-reveals-key-pathways-responsible-for-the-synergistic-killing-of-colistin-and-doripenem-combination-against-acinetobacter-baumannii
#3
Mohd Hafidz Mahamad Maifiah, Darren J Creek, Roger L Nation, Alan Forrest, Brian T Tsuji, Tony Velkov, Jian Li
Combination therapy is deployed for the treatment of multidrug-resistant Acinetobacter baumannii, as it can rapidly develop resistance to current antibiotics. This is the first study to investigate the synergistic effect of colistin/doripenem combination on the metabolome of A. baumannii. The metabolite levels were measured using LC-MS following treatment with colistin (2 mg/L) or doripenem (25 mg/L) alone, and their combination at 15 min, 1 hr and 4 hr (n = 4). Colistin caused early (15 min and 1 hr) disruption of the bacterial outer membrane and cell wall, as demonstrated by perturbation of glycerophospholipids and fatty acids...
March 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28337084/therapeutic-drug-monitoring-of-continuous-infusion-doripenem-in-a-pediatric-patient-on-continuous-renal-replacement-therapy
#4
Jeffrey J Cies, Wayne S Moore, Susan B Conley, Paul Shea, Adela Enache, Arun Chopra
An 11-year-old African American male with severe combined immunodeficiency variant, non-cystic fibrosis bronchiectasis, pancreatic insufficiency, chronic mycobacterium avium-intracellulare infection, chronic sinusitis, and malnutrition presented with a 1-week history of fevers. He subsequently developed respiratory decompensation and cefepime was discontinued and doripenem was initiated. Doripenem was the carbapenem used due to a national shortage of meropenem. By day 7 the patient (24.7 kg) had a positive fluid balance of 6925 mL (28% FO), and on days 7 into 8 developed acute kidney injury evidenced by an elevated serum creatinine of 0...
January 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28333677/y-site-physical-compatibility-of-beta-blocker-infusions-with-intensive-care-unit-admixtures
#5
Jaime A Foushee, Pmichaele Meredith, Laura M Fox, EdwardE Grace
Parenteral beta-blocker therapy via continuous infusion has shown promising results for improved outcomes for patients with septic shock. As patients with septic shock may require multiple intravenous medications, compatibility is necessary to co-infuse these medications through a y-site connector. The purpose of this study was to examine the physical compatibility of select intravenous drugs used for patients with septic shock combined with various intravenous beta-blockers including esmolol, labetalol, and metoprolol through a simulated y-site infusion...
July 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28324783/recent-updates-of-carbapenem-antibiotics
#6
REVIEW
Mohammed I El-Gamal, Imen Brahim, Noorhan Hisham, Rand Aladdin, Haneen Mohammed, Amany Bahaaeldin
Carbapenems are among the most commonly used and the most efficient antibiotics since they are relatively resistant to hydrolysis by most β-lactamases, they target penicillin-binding proteins, and generally have broad-spectrum antibacterial effect. In this review, we described the initial discovery and development of carbapenems, chemical characteristics, in vitro/in vivo activities, resistance studies, and clinical investigations for traditional carbapenem antibiotics in the market; imipenem-cilastatin, meropenem, ertapenem, doripenem, biapenem, panipenem/betamipron in addition to newer carbapenems such as razupenem, tebipenem, tomopenem, and sanfetrinem...
May 5, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28314101/dielectrophoresis-system-for-testing-antimicrobial-susceptibility-of-gram-negative-bacteria-to-%C3%AE-lactam-antibiotics
#7
I-Hsiu Su, Wen-Chien Ko, Chung-Hsin Shih, Fang-Hao Yeh, Yung-Nien Sun, Jung-Chih Chen, Po-Lin Chen, Hsien-Chang Chang
Gram-negative bacteria (GNBs) are common pathogens causing severe sepsis. Rapid evaluation of drug susceptibility would guide effective antibiotic treatment and promote life-saving. A total of 78 clinical isolates of 13 Gram-negative species collected between April 2013 and November 2013 from two medical centers in Tainan were tested. Bacterial morphology changes in different concentrations of antibiotics were observed under the electric field of a quadruple electrode array using light microscopy. The minimal inhibitory concentrations (MICs) of four antimicrobial agents, namely, cefazolin, ceftazidime, cefepime, and doripenem, were determined by the dielectrophoretic antimicrobial susceptibility testing (dAST) and by the conventional broth dilution testing (BDT)...
March 31, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28223378/population-pharmacokinetic-analysis-of-doripenem-after-intravenous-infusion-in-korean-patients-with-acute-infections
#8
Dong-Hwan Lee, Yong Kyun Kim, Kyubok Jin, Myoung Joo Kang, Young-Don Joo, Yang Wook Kim, Young Soo Moon, Jae-Gook Shin, Sungmin Kiem
We investigated the population pharmacokinetics (PK) of doripenem in Korean patients with acute infections and determined an appropriate dosing regimen using a Monte Carlo simulation for predicting pharmacodynamics (PD). Patients (n = 37) with a creatinine clearance (CLCR) of 20 to 50 ml/min or >50 ml/min who received a 250-mg or 500-mg dose of doripenem over the course of 1 h every 8 h, respectively, were included in this study. Blood samples were taken predosing and 0 h, 0.5 h, and 4 to 6 h after the fourth infusion...
May 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28168884/population-pharmacokinetics-and-pharmacodynamics-of-doripenem-in-obese-hospitalized-patients
#9
Eun Kyoung Chung, Megan R Fleming, S Christian Cheatham, Michael B Kays
BACKGROUND: Doripenem population pharmacokinetics and dosing recommendations are limited in obesity. OBJECTIVE: To evaluate the population pharmacokinetics and pharmacodynamics of doripenem in obese patients. METHODS: Hospitalized adults with a body mass index (BMI) ≥ 40 kg/m(2) or total body weight (TBW) ≥45.5 kg over their ideal body weight received doripenem 500 mg every 8 hours, infused over 1 hour. Population pharmacokinetic analyses were performed using NONMEM, and Monte Carlo simulations were performed for 5 intermittent and prolonged infusion dosing regimens to calculate probability of target attainment (PTA) at 40% and 100% fT>MIC (free drug concentrations above the minimum inhibitory concentration)...
March 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28167543/carbapenem-mics-in-escherichia-coli-and-klebsiella-species-producing-extended-spectrum-%C3%AE-lactamases-in-critical-care-patients-from-2001-to-2009
#10
J Kristie Johnson, Gwen L Robinson, Lisa L Pineles, Adebola O Ajao, LiCheng Zhao, Jennifer S Albrecht, Anthony D Harris, Kerri A Thom, Jon P Furuno
Extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae strains are increasing in prevalence worldwide. Carbapenem antibiotics are used as a first line of therapy against ESBL-producing Enterobacteriaceae We examined a cohort of critical care patients for gastrointestinal colonization with carbapenem-resistant ESBL-producing strains (CR-ESBL strains). We cultured samples from this cohort of patients for ESBL-producing Klebsiella spp. and Escherichia coli and then tested the first isolate from each patient for susceptibility to imipenem, doripenem, meropenem, and ertapenem...
April 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28135762/stability-of-doripenem-in-reconstituted-solution-thermal-and-oxidative-decomposition-kinetics-and-degradation-products-by-lc-ms
#11
Fábio de Souza Barbosa, José Pedro Etchepare Cassol, Luiz Alcides das Chagas Batista, Everson Willian Fialho Cordeiro, Marí Castro Santos, Adriana Raffin Pohlmann, Elfrides E S Schapoval, Cássia Virginia Garcia, Andreas Sebastian Loureiro Mendez
An UFLC method applied to quantitation of doripenem in powder for injection was validated. Validation parameters were assayed and a rapid analysis was established by reversed phase system, C18 column endcapped (50 x 4.0 mm, 2.0 µm), mobile phase consisted of phosphoric acid 0.01% (pH 3.8) and acetonitrile (98:02, v/v) and flow rate of 0.4 mL min(-1) . Drug stability was studied through submission to forced conditions, allowing to detect the major degradation products and to establish the kinetics parameters...
January 30, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28079262/pediatric-obesity-pharmacokinetic-alterations-and-effects-on-antimicrobial-dosing
#12
REVIEW
Stephanie Natale, John Bradley, William Huy Nguyen, Tri Tran, Pamela Ny, Kirsten La, Eva Vivian, Jennifer Le
Limited data exist for appropriate drug dosing in obese children. This comprehensive review summarizes pharmacokinetic (PK) alterations that occur with age and obesity, and these effects on antimicrobial dosing. A thorough comparison of different measures of body weight and specific antimicrobial agents including cefazolin, cefepime, ceftazidime, daptomycin, doripenem, gentamicin, linezolid, meropenem, piperacillin-tazobactam, tobramycin, vancomycin, and voriconazole is presented. PubMed (1966-July 2015) and Cochrane Library searches were performed using these key terms: children, pharmacokinetic, obesity, overweight, body mass index, ideal body weight, lean body weight, body composition, and specific antimicrobial drugs...
March 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28057163/ceftazidime-avibactam-who-says-you-can-t-teach-an-old-drug-new-tricks
#13
Katie E Barber, Jessica K Ortwine, Ronda L Akins
PURPOSE: Gram-negative resistance continues to rise with treatment options becoming more limited. Ceftazidime/avibactam was recently approved in the United States and Europe, which combines an established third-generation cephalosporin with a new, unique, non-β-lactam β-lactamase inhibitor. This review conducts a thorough examination of structure, pharmacology, spectrum of activity, pharmacokinetics/pharmacodynamics, in vitro and clinical efficacy and safety/tolerability of ceftazidime/avibactam, as well as detailed future directions for the agent...
October 2016: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28007670/maculopapular-eruption-caused-by-doripenem
#14
Mayu Shibata, Yu Sawada, Takashi Yamaguchi, Shun Ohmori, Sanehito Haruyama, Manabu Yoshioka, Etsuko Okada, Motonobu Nakamura
No abstract text is available yet for this article.
December 22, 2016: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/27907197/clinical-experience-of-patients-receiving-doripenem-containing-regimens-for-the-treatment-of-healthcare-associated-infections
#15
Chien-Ming Chao, Chi-Chung Chen, Hui-Ling Huang, Yin-Ching Chuang, Chih-Cheng Lai, Hung-Jen Tang
In this study, we retrospectively reviewed the clinical experience of patients receiving doripenem-containing regimens for the treatment of healthcare-associated infections (HCAIs) in a tertiary care center and assessed the clinical usefulness of doripenem therapy in this clinical setting. In this retrospective study, the medical records of all adult patients who had ever received doripenem-containing therapy for the treatment of HCAIs were reviewed between September 1, 2012 and August 31, 2014, and the following data were extracted: age, gender, type of infection, disease severity, underlying comorbidities or conditions, and laboratory results...
2016: PloS One
https://www.readbyqxmd.com/read/27806248/carbapenem-resistant-acinetobacter-baumannii-crab-recovered-from-burn-patients
#16
Habibeh Adibhesami, Masoumeh Douraghi, Hojjat Zeraati, Fariba Bazmi, Mohammad Rahbar, Mohammad Reza Pourmand, Mahboobeh Satarzadeh Tabrizi, Amir Aliramezani, Sedigheh Ghourchian
Emergence of carbapenem-resistant Acinetobacter baumannii (CRAB) and their prolonged presence in burn units increases the risk of acquisition of CRAB. Methods. From November 2012 to September 2013, 1474 burn patients were screened for CRAB isolates through testing susceptibility to imipenem and its comparators meropenem, and doripenem. Furthermore, the in vitro activity of other antibiotics against CRAB was investigated.  Results. Three patients were infected with carbapenem-susceptible A. baumannii (CSAB) and 168 were infected with CRAB...
July 2016: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27773498/comparative-pharmacodynamics-of-four-different-carbapenems-in-combination-with-polymyxin-b-against-carbapenem-resistant-acinetobacter-baumannii
#17
COMPARATIVE STUDY
Justin R Lenhard, Jonathan S Gall, Jurgen B Bulitta, Visanu Thamlikitkul, Cornelia B Landersdorfer, Alan Forrest, Roger L Nation, Jian Li, Brian T Tsuji
The objective of this study was to determine the comparative pharmacodynamics of four different carbapenems in combination with polymyxin B (PMB) against carbapenem-resistant Acinetobacter baumannii isolates using time-kill experiments at two different inocula. Two A. baumannii strains (03-149-1 and N16870) with carbapenem minimum inhibitory concentrations (MICs) ranging from 8 to 64 mg/L were investigated in 48-h time-kill experiments using starting inocula of 10(6) CFU/mL and 10(8) CFU/mL. Concentration arrays of ertapenem, doripenem, meropenem and imipenem at 0...
December 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27666507/antimicrobial-susceptibility-of-microorganisms-isolated-from-sputum-culture-of-patients-with-cystic-fibrosis-methicillin-resistant-staphylococcus-aureus-as-a-serious-concern
#18
Narges Mazloomi Nobandegani, Shima Mahmoudi, Babak Pourakbari, Reihaneh Hosseinpour Sadeghi, Mehri Najafi Sani, Fateme Farahmand, Farzaneh Motamed, Raheleh Nabavizadeh Rafsanjani, Setareh Mamishi
INTRODUCTION: Infection is a major cause of morbidity and mortality in patients with cystic fibrosis (CF). Antimicrobial resistance of the bacterial spp. particularly methicillin resistance in Staphylococcus aureus has caused a lot of attention. The aim of this study was to describe the prevalence of S. aureus, Pseudomonas aeruginosa and Burkholderia cepacia-complex as well as their antimicrobial susceptibility patterns in CF patients in an Iranian referral pediatrics Hospital. MATERIAL AND METHODS: From March 2011 until February 2012, 172 samples were collected at the Children Medical Center (CMC), an Iranian referral hospital in Tehran, Iran...
November 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27636561/the-structure-of-a-doripenem-bound-oxa-51-class-d-%C3%AE-lactamase-variant-with-enhanced-carbapenemase-activity
#19
Cynthia M June, Taylor J Muckenthaler, Emma C Schroder, Zachary L Klamer, Zdzislaw Wawrzak, Rachel A Powers, Agnieszka Szarecka, David A Leonard
OXA-51 is a class D β-lactamase that is thought to be the native carbapenemase of Acinetobacter baumannii. Many variants of OXA-51 containing active site substitutions have been identified from A. baumannii isolates, and some of these substitutions increase hydrolytic activity toward carbapenem antibiotics. We have determined the high-resolution structures of apo OXA-51 and OXA-51 with one such substitution (I129L) with the carbapenem doripenem trapped in the active site as an acyl-intermediate. The structure shows that acyl-doripenem adopts an orientation very similar to carbapenem ligands observed in the active site of OXA-24/40 (doripenem) and OXA-23 (meropenem)...
December 2016: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/27635268/bacteremia-due-to-leuconostoc-pseudomesenteroides-in-a-patient-with-acute-lymphoblastic-leukemia-case-report-and-review-of-the-literature
#20
Kazuko Ino, Kazunori Nakase, Kei Suzuki, Akiko Nakamura, Atsushi Fujieda, Naoyuki Katayama
Leuconostoc species are vancomycin-resistant Gram-positive cocci. Infections due to Leuconostoc species have been reported in various immunocompromised patients, but little is known about such infection in patients with hematologic malignancies. We report a case of Leuconostoc infection in a 44-year-old woman with acute lymphoblastic leukemia. The patient developed a high fever despite antimicrobial therapy with doripenem after induction chemotherapy. After an isolate from blood cultures was identified as L...
2016: Case Reports in Hematology
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