Meropenem Meropenem Was Administered to Dams from Gestation Day 17 Until Lactation Day 21 at 83 to 140) for the 1 Gram Dose
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Pharmacodynamic Evaluation of Suppression of in Vitro Resistance In
www.nature.com/scientificreports OPEN Pharmacodynamic evaluation of suppression of in vitro resistance in Acinetobacter baumannii strains using polymyxin B‑based combination therapy Nayara Helisandra Fedrigo1, Danielle Rosani Shinohara1, Josmar Mazucheli2, Sheila Alexandra Belini Nishiyama1, Floristher Elaine Carrara‑Marroni3, Frederico Severino Martins4, Peijuan Zhu5, Mingming Yu6, Sherwin Kenneth B. Sy2 & Maria Cristina Bronharo Tognim1* The emergence of polymyxin resistance in Gram‑negative bacteria infections has motivated the use of combination therapy. This study determined the mutant selection window (MSW) of polymyxin B alone and in combination with meropenem and fosfomycin against A. baumannii strains belonging to clonal lineages I and III. To evaluate the inhibition of in vitro drug resistance, we investigate the MSW‑derived pharmacodynamic indices associated with resistance to polymyxin B administrated regimens as monotherapy and combination therapy, such as the percentage of each dosage interval that free plasma concentration was within the MSW (%TMSW) and the percentage of each dosage interval that free plasma concentration exceeded the mutant prevention concentration (%T>MPC). The MSW of polymyxin B varied between 1 and 16 µg/mL for polymyxin B‑susceptible strains. The triple combination of polymyxin B with meropenem and fosfomycin inhibited the polymyxin B‑resistant subpopulation in meropenem‑resistant isolates and polymyxin B plus meropenem as a double combination sufciently inhibited meropenem‑intermediate, and susceptible strains. T>MPC 90% was reached for polymyxin B in these combinations, while %TMSW was 0 against all strains. TMSW for meropenem and fosfomycin were also reduced. Efective antimicrobial combinations signifcantly reduced MSW. The MSW‑derived pharmacodynamic indices can be used for the selection of efective combination regimen to combat the polymyxin B‑resistant strain. -
General Items
Essential Medicines List (EML) 2019 Application for the inclusion of imipenem/cilastatin, meropenem and amoxicillin/clavulanic acid in the WHO Model List of Essential Medicines, as reserve second-line drugs for the treatment of multidrug-resistant tuberculosis (complementary lists of anti-tuberculosis drugs for use in adults and children) General items 1. Summary statement of the proposal for inclusion, change or deletion This application concerns the updating of the forthcoming WHO Model List of Essential Medicines (EML) and WHO Model List of Essential Medicines for Children (EMLc) to include the following medicines: 1) Imipenem/cilastatin (Imp-Cln) to the main list but NOT the children’s list (it is already mentioned on both lists as an option in section 6.2.1 Beta Lactam medicines) 2) Meropenem (Mpm) to both the main and the children’s lists (it is already on the list as treatment for meningitis in section 6.2.1 Beta Lactam medicines) 3) Clavulanic acid to both the main and the children’s lists (it is already listed as amoxicillin/clavulanic acid (Amx-Clv), the only commercially available preparation of clavulanic acid, in section 6.2.1 Beta Lactam medicines) This application makes reference to amendments recommended in particular to section 6.2.4 Antituberculosis medicines in the latest editions of both the main EML (20th list) and the EMLc (6th list) released in 2017 (1),(2). On the basis of the most recent Guideline Development Group advising WHO on the revision of its guidelines for the treatment of multidrug- or rifampicin-resistant (MDR/RR-TB)(3), the applicant considers that the three agents concerned be viewed as essential medicines for these forms of TB in countries. -
Severe Sepsis and Septic Shock Antibiotic Guide
Stanford Health Issue Date: 05/2017 Stanford Antimicrobial Safety and Sustainability Program Severe Sepsis and Septic Shock Antibiotic Guide Table 1: Antibiotic selection options for healthcare associated and/or immunocompromised patients • Healthcare associated: intravenous therapy, wound care, or intravenous chemotherapy within the prior 30 days, residence in a nursing home or other long-term care facility, hospitalization in an acute care hospital for two or more days within the prior 90 days, attendance at a hospital or hemodialysis clinic within the prior 30 days • Immunocompromised: Receiving chemotherapy, known systemic cancer not in remission, ANC <500, severe cell-mediated immune deficiency Table 2: Antibiotic selection options for community acquired, immunocompetent patients Table 3: Antibiotic selection options for patients with simple sepsis, community acquired, immunocompetent patients requiring hospitalization. Risk Factors for Select Organisms P. aeruginosa MRSA Invasive Candidiasis VRE (and other resistant GNR) Community acquired: • Known colonization with MDROs • Central venous catheter • Liver transplant • Prior IV antibiotics within 90 day • Recent MRSA infection • Broad-spectrum antibiotics • Known colonization • Known colonization with MDROs • Known MRSA colonization • + 1 of the following risk factors: • Prolonged broad antibacterial • Skin & Skin Structure and/or IV access site: ♦ Parenteral nutrition therapy Hospital acquired: ♦ Purulence ♦ Dialysis • Prolonged profound • Prior IV antibiotics within 90 days ♦ Abscess -
Antimicrobial Surgical Prophylaxis
Antimicrobial Surgical Prophylaxis The antimicrobial surgical prophylaxis protocol establishes evidence-based standards for surgical prophylaxis at The Nebraska Medical Center. The protocol was adapted from the recently published consensus guidelines from the American Society of Health-System Pharmacists (ASHP), Society for Healthcare Epidemiology of America (SHEA), Infectious Disease Society of America (IDSA), and the Surgical Infection Society (SIS) and customized to Nebraska Medicine with the input of the Antimicrobial Stewardship Program in concert with the various surgical groups at the institution. The protocol established here-in will be implemented via standard order sets utilized within One Chart. Routine surgical prophylaxis and current and future surgical order sets are expected to conform to this guidance. Antimicrobial Surgical Prophylaxis Initiation Optimal timing: Within 60 minutes before surgical incision o Exceptions: Fluoroquinolones and vancomycin (within 120 minutes before surgical incision) Successful prophylaxis necessitates that the antimicrobial agent achieve serum and tissue concentrations above the MIC for probable organisms associated with the specific procedure type at the time of incision as well as for the duration of the procedure. Renal Dose Adjustment Guidance The following table can be utilized to determine if adjustments are needed to antimicrobial surgical prophylaxis for both pre-op and post-op dosing. Table 1 Renal Dosage Adjustment Dosing Regimen with Dosing Regimen with CrCl Dosing Regimen with -
Penicillin Allergy Guidance Document
Penicillin Allergy Guidance Document Key Points Background Careful evaluation of antibiotic allergy and prior tolerance history is essential to providing optimal treatment The true incidence of penicillin hypersensitivity amongst patients in the United States is less than 1% Alterations in antibiotic prescribing due to reported penicillin allergy has been shown to result in higher costs, increased risk of antibiotic resistance, and worse patient outcomes Cross-reactivity between truly penicillin allergic patients and later generation cephalosporins and/or carbapenems is rare Evaluation of Penicillin Allergy Obtain a detailed history of allergic reaction Classify the type and severity of the reaction paying particular attention to any IgE-mediated reactions (e.g., anaphylaxis, hives, angioedema, etc.) (Table 1) Evaluate prior tolerance of beta-lactam antibiotics utilizing patient interview or the electronic medical record Recommendations for Challenging Penicillin Allergic Patients See Figure 1 Follow-Up Document tolerance or intolerance in the patient’s allergy history Consider referring to allergy clinic for skin testing Created July 2017 by Macey Wolfe, PharmD; John Schoen, PharmD, BCPS; Scott Bergman, PharmD, BCPS; Sara May, MD; and Trevor Van Schooneveld, MD, FACP Disclaimer: This resource is intended for non-commercial educational and quality improvement purposes. Outside entities may utilize for these purposes, but must acknowledge the source. The guidance is intended to assist practitioners in managing a clinical situation but is not mandatory. The interprofessional group of authors have made considerable efforts to ensure the information upon which they are based is accurate and up to date. Any treatments have some inherent risk. Recommendations are meant to improve quality of patient care yet should not replace clinical judgment. -
Potential Role of Microbiome in Oncogenesis, Outcome Prediction
Oral Oncology 99 (2019) 104453 Contents lists available at ScienceDirect Oral Oncology journal homepage: www.elsevier.com/locate/oraloncology Review Potential role of microbiome in oncogenesis, outcome prediction and therapeutic targeting for head and neck cancer T ⁎ Ester Orlandia,b, , Nicola Alessandro Iacovellib, Vincenzo Tombolinic, Tiziana Rancatid, Antonella Polimenie, Loris De Ceccof, Riccardo Valdagnia,d,g, Francesca De Felicec a Department of Radiotherapy 1, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy b Department of Radiotherapy 2, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy c Department of Radiotherapy, Policlinico Umberto I, “Sapienza” University of Rome, Rome, Italy d Prostate Cancer Program, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy e Department of Oral and Maxillo Facial Sciences, Policlinico Umberto I, “Sapienza” University of Rome, Italy f Integrated Biology Platform, Department of Applied Research and Technology Development, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy g Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy ARTICLE INFO ABSTRACT Keywords: In the last decade, human microbiome research is rapidly growing involving several fields of clinical medicine Head and neck cancer and population health. Although the microbiome seems to be linked to all sorts of diseases, cancer has the Biomarkers biggest potential to be investigated. Microbiome Following the publication of the National Institute of Health - Human Microbiome Project (NIH-HMP), the Microbiota link between Head and Neck Cancer (HNC) and microbiome seems to be a fast-moving field in research area. Oncogenesis However, robust evidence-based literature is still quite scarce. Nevertheless the relationship between oral mi- Radiotherapy Immunotherapy crobiome and HNC could have important consequences for prevention and early detection of this type of tumors. -
Management of Penicillin and Beta-Lactam Allergy
Management of Penicillin and Beta-Lactam Allergy (NB Provincial Health Authorities Anti-Infective Stewardship Committee, September 2017) Key Points • Beta-lactams are generally safe; allergic and adverse drug reactions are over diagnosed and over reported • Nonpruritic, nonurticarial rashes occur in up to 10% of patients receiving penicillins. These rashes are usually not allergic and are not a contraindication to the use of a different beta-lactam • The frequently cited risk of 8 to 10% cross-reactivity between penicillins and cephalosporins is an overestimate based on studies from the 1970’s that are now considered flawed • Expect new intolerances (i.e. any allergy or adverse reaction reported in a drug allergy field) to be reported after 0.5 to 4% of all antimicrobial courses depending on the gender and specific antimicrobial. Expect a higher incidence of new intolerances in patients with three or more prior medication intolerances1 • For type-1 immediate hypersensitivity reactions (IgE-mediated), cross-reactivity among penicillins (table 1) is expected due to similar core structure and/or major/minor antigenic determinants, use not recommended without desensitization • For type-1 immediate hypersensitivity reactions, cross-reactivity between penicillins (table 1) and cephalosporins is due to similarities in the side chains; risk of cross-reactivity will only be significant between penicillins and cephalosporins with similar side chains • Only type-1 immediate hypersensitivity to a penicillin manifesting as anaphylaxis, bronchospasm, -
3. Jedna Z Krvných Skupín Systému AB0; 4. Skr. Bukálny. B – Symbo
B – 1. symbol pre bel; 2. chem. značka prvku →bór; 3. jedna z krvných skupín systému AB0; 4. skr. bukálny. B – symbol pre hustotu magnetického toku. B. – skr. pre →Bacillus. B-ALP – skr. angl. bone alcalic phosphatase kostná alkalická fosfatáza. B-bunky – 1. syn. -bunky Langerhansových ostrovčekov; →pankreas; 2. syn. B-lymfocyty; →lymfocyty. B-komplex – multivitamínový prípravok vitamínov B. B-lymfocyty – [B podľa Fabriciovej burzy, imunol. orgánu vtákov] B bunky, druh lymfocytov, kt. sa zúčastňuje na humorálnej imunite (tvorbe protilátok) a niekt. ďalších imunitných funkciách. Povrchové molekuly sú CD 19,20. Receptorom pre antigén je membránový imunoglobulín. B-reťazec – jeden z polypeptidových reťazcov →inzulínu. B-vírus – 1. vírus →hepatitídy B.; 2. vírus zo skupiny Cercopithecine herpes virus 1. B-vlákna →nerv. b – skr. 1. pre barn; 2. skr. angl. born narodený; 3. skr. báza (genet. označenie dĺţky sekvencie nukleotidov, napr. 50 b = sekvencia 50 nukleotidov). b-vlna – pozit. kmit s vyskou amplitúdou v →elektroretinograme nasledujúci po vlne a, prejav komplexnej aktivity vrstvy bipolárnych buniek. – - – predpona označujúca 1. staršie označenie druhého atómu uhlíka v reťazci, na kt. sa pripája hlavná funkčná skupina, napr. kys. -hydroxymaslová správ. kys. 3-hydroxymaslová; 2. špecifická rotácia opticky aktívnej látky, napr. -D-glukóza; 3. orientácia exocyklického atómu al. skupiny, napr. cholest-5-en-3--ol; 4. plazmatický proteín, kt. migruje v elektroforéze v pruhu - lipoproteín; 5. člen série príbuzných chem. látok, najmä série stereoizomérov, izomérov, polymérov al. alotroických foriem, napr. -karotén; 6. -lúč. B2 – staršie označenie pre CD21. B4 – staršie označenie pre CD 19. B19 virus – ľudský parvovírus z čeľade Parvoviridae, značne rozšírený, vyvolávajúci obvykle inaparentné infekcie. -
974-Form.Pdf
California Association for Medical Laboratory Technology Distance Learning Program ANAEROBIC BACTERIOLOGY FOR THE CLINICAL LABORATORY by James I. Mangels, MA, CLS, MT(ASCP) Consultant Microbiology Consulting Services Santa Rosa, CA Course Number: DL-974 3.0 CE/Contact Hour Level of Difficulty: Intermediate © California Association for Medical Laboratory Technology. Permission to reprint any part of these materials, other than for credit from CAMLT, must be obtained in writing from the CAMLT Executive Office. CAMLT is approved by the California Department of Health Services as a CA CLS Accrediting Agency (#0021) and this course is is approved by ASCLS for the P.A.C.E. ® Program (#519) 1895 Mowry Ave, Suite 112 Fremont, CA 94538-1766 Phone: 510-792-4441 FAX: 510-792-3045 Notification of Distance Learning Deadline All continuing education units required to renew your license must be earned no later than the expiration date printed on your license. If some of your units are made up of Distance Learning courses, please allow yourself enough time to retake the test in the event you do not pass on the first attempt. CAMLT urges you to earn your CE units early!. CAMLT Distance Learning Course # DL-974 1 © California Association for Medical Laboratory Technology Outline A. Introduction B. What are anaerobic bacteria? Concepts of anaerobic bacteriology C. Why do we need to identify anaerobes? D. Normal indigenous anaerobic flora; the incidence of anaerobes at various body sites E. Anaerobic infections; most common anaerobic infections F. Specimen collection and transport; acceptance and rejection criteria G. Processing of clinical specimens 1. Microscopic examination 2. -
Renal Fanconi Syndrome with Meropenem/Amoxicillin-Clavulanate During Treatment of Extensively Drug- Resistant Tuberculosis
AGORA | CORRESPONDENCE Renal Fanconi syndrome with meropenem/amoxicillin-clavulanate during treatment of extensively drug- resistant tuberculosis To the Editor: We read with interest the papers by TIBERI et al. [1, 2] describing the effectiveness of meropenem/ clavulanate in treating multidrug-resistant (MDR) and extensively drug-resistant (XDR) tuberculosis (TB) patients. In these analyses, 96 patients were treated with meropenem/clavulanate for a median of 85 (interquartile range (IQR) 49–156) days with six adverse events, and 84 patients were treated with imipenem/clavulanate for a median (IQR) of 187 (60–428) days and three adverse events, none renally related. We report a patient with XDR-TB who developed renal Fanconi syndrome apparently due to meropenem/amoxicillin-clavulanate. A 25-year-old South Asian female with intermittently treated pulmonary XDR-TB since 2006, presented to the National Institutes of Health (NIH) in 2015 for treatment under an institutional review board-approved clinical protocol. She was started on daily linezolid, bedaquiline, clofazimine and meropenem 1.5 g i.v. with amoxicillin-clavulanate 500/125 mg orally, both every 8 h. Within 1 month, she − developed mild hypophosphataemia (1.8–2.0 mg·dL 1). Her renal function and urinalysis remained normal at 3 months. Her sputum cultures converted to negative after 98 days of treatment. At 4 months, − she developed a mild normal anion gap metabolic acidosis (bicarbonate 18–19 mmol·L 1). After 6–7 months, she developed fatigue, moderate proteinuria (600 mg/24 h), aminoaciduria, glycosuria (2–3+ with normal serum glucose), worsening hypophosphataemia with a high urine fractional excretion of phosphorus (24%) consistent with inappropriate urinary phosphate wasting, and hypouricaemia (uric acid − 0.9 mg·dL 1), in addition to the normal anion gap metabolic acidosis, all consistent with generalised proximal tubular dysfunction and renal Fanconi syndrome. -
Susceptibility and Resistance Data
toku-e logo For a complete list of references, please visit antibiotics.toku-e.com Levofloxacin Microorganism Genus, Species, and Strain (if shown) Concentration Range (μg/ml)Susceptibility and Aeromonas spp. 0.0625 Minimum Inhibitory Alcaligenes faecalis 0.39 - 25 Bacillus circulans Concentration0.25 - 8 (MIC) Data Bacillus subtilis (ATCC 6051) 6.25 Issue date 01/06/2020 Bacteroides capillosus ≤0.06 - >8 Bacteroides distasonis 0.5 - 128 Bacteroides eggerthii 4 Bacteroides fragilis 0.5 - 128 Bacteroides merdae 0.25 - >32 Bacteroides ovatus 0.25 - 256 Bacteroides thetaiotaomicron 1 - 256 Bacteroides uniformis 4 - 128 Bacteroides ureolyticus ≤0.06 - >8 Bacteroides vulgatus 1 - 256 Bifidobacterium adolescentis 0.25 - >32 Bifidobacterium bifidum 8 Bifidobacterium breve 0.25 - 8 Bifidobacterium longum 0.25 - 8 Bifidobacterium pseudolongum 8 Bifidobacterium sp. 0.25 - >32 Bilophila wadsworthia 0.25 - 16 Brevibacterium spp. 0.12 - 8 Brucella melitensis 0.5 Burkholderia cepacia 0.25 - 512 Campylobacter coli 0.015 - 128 Campylobacter concisus ≤0.06 - >8 Campylobacter gracilis ≤0.06 - >8 Campylobacter jejuni 0.015 - 128 Campylobacter mucosalis ≤0.06 - >8 Campylobacter rectus ≤0.06 - >8 Campylobacter showae ≤0.06 - >8 Campylobacter spp. 0.25 Campylobacter sputorum ≤0.06 - >8 Capnocytophaga ochracea ≤0.06 - >8 Capnocytophaga spp. 0.006 - 2 Chlamydia pneumonia 0.125 - 1 Chlamydia psittaci 0.5 Chlamydia trachomatis 0.12 - 1 Chlamydophila pneumonia 0.5 Citrobacter diversus 0.015 - 0.125 Citrobacter freundii ≤0.00625 - >64 Citrobacter koseri 0.015 - -
Carbapenem-Resistant Enterobacteriaceae Investigative Guidelines December 2019
PUBLIC HEALTH DIVISION Acute and Communicable Disease Prevention Carbapenem-Resistant Enterobacteriaceae Investigative Guidelines December 2019 1. DISEASE REPORTING 1.1 Purpose of Reporting and Surveillance 1. To prevent transmission of infections with carbapenem-resistant Enterobacteriaceae (CRE) between patients, within or among health care facilities, or between health care facilities and the community. 2. To prevent CRE from becoming endemic in Oregon, necessitating empiric use of even broader- spectrum antibiotics. 3. To identify outbreaks and potential sources or sites of ongoing transmission. 4. To better characterize the epidemiology of these infections. 1.2 Laboratory and Physician Reporting Requirements 1. Providers and laboratories must report cases to local public health authorities (LPHAs) within one working day. 2. Clinical and reference laboratories must forward isolates from any sterile or non-sterile site (e.g., urine, blood, sputum, endotracheal aspirate, BAL, wound) that meet the confirmed CRE case definition below along with the automated test system susceptibility printouts (Vitek or Microscan report) to the Oregon State Public Health Laboratory (OSPHL). 3. Isolates of Proteus, Providencia, or Morganella which show only imipenem non-susceptibility, in the absence of resistance to another carbapenem, do not need to be submitted. 1.3 Local Public Health Authority Reporting and Follow-Up Responsibilities 1. LPHAs will confirm that a case meets the case definition by reviewing the isolate's susceptibility information (antibiogram) as necessary, or in consultation with the ACDP epidemiologist. Both minimum inhibitory concentration (MIC) values and interpretations are needed to verify a case meets the definition. (See Confirmed Case §3.1.) 2. If a case meets the case definition, the LPHA will investigate.