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Moja L, Zanichelli V, Mertz D, Gandra S, Cappello B, Cooke GS, Chuki P, Harbarth S, Pulcini C, Mendelson M, Tacconelli E, Ombajo LA, Chitatanga R, Zeng M, Imi M, Elias C, Ashorn P, Marata A, Paulin S, Muller A, Aidara-Kane A, Wi TE, Were WM, Tayler E, Figueras A, Da Silva CP, Van Weezenbeek C, Magrini N, Sharland M, Huttner B, Loeb M. WHO's essential medicines and AWaRe: recommendations on first- and second-choice antibiotics for empiric treatment of clinical infections. Clin Microbiol Infect 2024; 30 Suppl 2:S1-S51. [PMID: 38342438 DOI: 10.1016/j.cmi.2024.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/26/2024] [Accepted: 02/04/2024] [Indexed: 02/13/2024]
Abstract
The WHO Model List of Essential Medicines (EML) prioritizes medicines that have significant global public health value. The EML can also deliver important messages on appropriate medicine use. Since 2017, in response to the growing challenge of antimicrobial resistance, antibiotics on the EML have been reviewed and categorized into three groups: Access, Watch, and Reserve, leading to a new categorization called AWaRe. These categories were developed taking into account the impact of different antibiotics and classes on antimicrobial resistance and the implications for their appropriate use. The 2023 AWaRe classification provides empirical guidance on 41 essential antibiotics for over 30 clinical infections targeting both the primary health care and hospital facility setting. A further 257 antibiotics not included on the EML have been allocated an AWaRe group for stewardship and monitoring purposes. This article describes the development of AWaRe, focussing on the clinical evidence base that guided the selection of Access, Watch, or Reserve antibiotics as first and second choices for each infection. The overarching objective was to offer a tool for optimizing the quality of global antibiotic prescribing and reduce inappropriate use by encouraging the use of Access antibiotics (or no antibiotics) where appropriate. This clinical evidence evaluation and subsequent EML recommendations are the basis for the AWaRe antibiotic book and related smartphone applications. By providing guidance on antibiotic prioritization, AWaRe aims to facilitate the revision of national lists of essential medicines, update national prescribing guidelines, and supervise antibiotic use. Adherence to AWaRe would extend the effectiveness of current antibiotics while helping countries expand access to these life-saving medicines for the benefit of current and future patients, health professionals, and the environment.
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Affiliation(s)
- Lorenzo Moja
- Health Products Policy and Standards, World Health Organization, Geneva, Switzerland.
| | - Veronica Zanichelli
- Health Products Policy and Standards, World Health Organization, Geneva, Switzerland
| | - Dominik Mertz
- Department of Medicine, McMaster University, Hamilton, Canada; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada; World Health Organization Collaborating Centre for Infectious Diseases, Research Methods and Recommendations, McMaster University, Hamilton, Canada
| | - Sumanth Gandra
- Division of Infectious Diseases, Department of Internal Medicine, Washington University School of Medicine in St. Louis, Missouri, United States
| | - Bernadette Cappello
- Health Products Policy and Standards, World Health Organization, Geneva, Switzerland
| | - Graham S Cooke
- Department of Infectious Diseases, Imperial College London, London, UK
| | - Pem Chuki
- Antimicrobial Stewardship Unit, Jigme Dorji Wangchuck National Referral Hospital, Thimphu, Bhutan
| | - Stephan Harbarth
- Infection Control Programme, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland; World Health Organization Collaborating Centre on Infection Prevention and Control and Antimicrobial Resistance, Geneva, Switzerland
| | - Celine Pulcini
- APEMAC, and Centre régional en antibiothérapie du Grand Est AntibioEst, Université de Lorraine, CHRU-Nancy, Nancy, France
| | - Marc Mendelson
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa
| | - Evelina Tacconelli
- Infectious Diseases Unit, Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - Loice Achieng Ombajo
- Department of Clinical Medicine and Therapeutics, University of Nairobi, Nairobi, Kenya; Center for Epidemiological Modelling and Analysis, University of Nairobi, Nairobi, Kenya
| | - Ronald Chitatanga
- Antimicrobial Resistance National Coordinating Centre, Public Health Institute of Malawi, Blantyre, Malawi
| | - Mei Zeng
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, China
| | | | - Christelle Elias
- Service Hygiène et Epidémiologie, Hospices Civils de Lyon, Lyon, France; Centre International de Recherche en Infectiologie, Institut National de la Santé et de la Recherche Médicale U1111, Centre National de la Recherche Scientifique Unité Mixte de Recherche 5308, École Nationale Supérieure de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Per Ashorn
- Center for Child, Adolescent and Maternal Health Research, Faculty of Medicine and Health Technology, Tampere University and Tampere University Hospital, Tampere, Finland
| | | | - Sarah Paulin
- Antimicrobial Resistance Division, World Health Organization, Geneva, Switzerland
| | - Arno Muller
- Antimicrobial Resistance Division, World Health Organization, Geneva, Switzerland
| | | | - Teodora Elvira Wi
- Department of Global HIV, Hepatitis and STIs Programme, World Health Organization, Geneva, Switzerland
| | - Wilson Milton Were
- Department of Maternal, Newborn, Child and Adolescent Health and Ageing, World Health Organization, Geneva, Switzerland
| | - Elizabeth Tayler
- WHO Regional Office for the Eastern Mediterranean (EMRO), World Health Organisation, Cairo, Egypt
| | | | - Carmem Pessoa Da Silva
- Antimicrobial Resistance Division, World Health Organization, Geneva, Switzerland; Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Nicola Magrini
- NHS Clinical Governance, Romagna Health Authority, Ravenna, Italy; World Health Organization Collaborating Centre for Evidence Synthesis and Guideline Development, Bologna, Italy
| | - Mike Sharland
- Centre for Neonatal and Paediatric Infections, Institute for Infection and Immunity, St George's University of London, London, UK
| | - Benedikt Huttner
- Health Products Policy and Standards, World Health Organization, Geneva, Switzerland
| | - Mark Loeb
- Department of Medicine, McMaster University, Hamilton, Canada; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada; World Health Organization Collaborating Centre for Infectious Diseases, Research Methods and Recommendations, McMaster University, Hamilton, Canada
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Petersen MW, Perner A, Sjövall F, Jonsson AB, Steensen M, Andersen JS, Achiam MP, Frimodt‐Møller N, Møller MH. Piperacillin/tazobactam vs carbapenems for patients with bacterial infection: Protocol for a systematic review. Acta Anaesthesiol Scand 2019; 63:973-978. [PMID: 31020663 DOI: 10.1111/aas.13382] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Accepted: 03/19/2019] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Early empirical broad-spectrum antimicrobial therapy is recommended for patients with severe infections, including sepsis. β-lactam/β-lactamase inhibitor combinations or carbapenems are often used to ensure coverage of likely pathogens. Piperacillin/tazobactam is proposed as a carbapenem-sparing agent to reduce the incidence of multidrug-resistant bacteria and superinfections. In the recently published MERINO trial, increased mortality from piperacillin/tazobactam was suggested in patients with bacteraemia with resistant Escherichia coli or Klebsiella species. Whether these findings also apply to empirical piperacillin/tazobactam in patients with other severe infections, including sepsis, is unknown. We aim to assess the benefits and harms of empirical and definitive piperacillin/tazobactam vs carbapenems for patients with severe bacterial infections. METHODS AND ANALYSIS This protocol has been prepared according to the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols statement, the Cochrane Handbook and the Grading of Recommendations, Assessment, Development, and Evaluation approach. We will include randomised clinical trials assessing piperacillin/tazobactam vs carbapenems in patients with severe bacterial infections of any origin. The primary outcome will be all-cause short-term mortality ≤ 90 days. Secondary outcomes will include all-cause long-term mortality > 90 days, adverse events, quality of life, use of life support, secondary infections, antibiotic resistance, and length of stay. We will conduct meta-analyses, including pre-planned subgroup and sensitivity analyses for all assessed outcomes. The risk of random errors in the meta-analyses will be assessed by trial sequential analysis.
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Affiliation(s)
- Marie Warrer Petersen
- Department of Intensive Care Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
| | - Anders Perner
- Department of Intensive Care Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
| | - Fredrik Sjövall
- Department of Perioperative Medicine Skåne University Hospital Malmö Sweden
| | - Andreas Bender Jonsson
- Department of Intensive Care Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
| | - Morten Steensen
- Department of Intensive Care Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
| | - Jakob Steen Andersen
- Department of Intensive Care Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
| | - Michael Patrick Achiam
- Department of Surgical Gastroenterology Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
| | - Niels Frimodt‐Møller
- Department of Clinical Microbiology Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
| | - Morten Hylander Møller
- Department of Intensive Care Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
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Takimoto K, Wang Q, Suzuki D, Katayama M, Hayashi Y. Clinical efficacy of piperacillin/tazobactam in the treatment of complicated skin and soft tissue infections. Expert Opin Pharmacother 2017. [PMID: 28627952 DOI: 10.1080/14656566.2017.1341491] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Complicated skin and soft tissue infections (cSSTIs) are skin and soft tissue infections (SSTIs) that involve deep soft tissue. cSSTIs often require surgical intervention and/or hospitalization. cSSTIs are associated with significant mortality and morbidity, and carry a significant burden on health care systems. Piperacillin/tazobactam has been regarded as a standard treatment for cSSTIs because of its antibiotic spectrum, safety and clinical efficacy. Several antibiotics, as compared to piperacillin/tazobactam, have been evaluated in the treatment of cSSTIs. Areas covered: This review summarizes randomized controlled trials (RCTs) evaluating the clinical efficacy of piperacillin/tazobactam for the treatment of cSSTIs. Expert opinion: Piperacillin/tazobactam, which covers most causative organisms in cSSTIs, is the drug of choice for the treatment of cSSTIs. Other options such as ertapenem and moxifloxacin may be reasonable where multiple daily dosing or intravenous administration is inappropriate. But in general, they should be avoided as an empirical treatment because of their highly association with resistant bacteria, which are becoming a global threat. Therefore, piperacilin/tazobactam is appropriate as an empirical therapy for the treatment of SSTIs and should be de-escalated as soon as causative organisms are identified, their drug-sensitivity results are available, and clinical condition becomes stable.
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Affiliation(s)
- Kohei Takimoto
- a Department of Intensive Care Medicine , Kameda Medical Center , Kamogawa , Japan
| | - Qianzhi Wang
- b Postgraduate Education Center , Kameda Medical Center , Kamogawa , Japan
| | - Daisuke Suzuki
- c Department of Infectious Diseases , Kameda Medical Center , Kamogawa , Japan
| | - Mitsuya Katayama
- d Department of General Internal Medicine , Kameda Medical Center , Kamogawa , Japan
| | - Yoshiro Hayashi
- a Department of Intensive Care Medicine , Kameda Medical Center , Kamogawa , Japan
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Torres A, Llinares P, Turegano F, Martin-Perez E, Lobo E, Martin-Antona E, Granizo JJ, Aguilar L. Clinical experience with ertapenem in the treatment of infections of the biliary tract in daily practice in five Spanish hospitals. J Chemother 2012; 24:338-43. [PMID: 23174098 DOI: 10.1179/1973947812y.0000000041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Efficacy of ertapenem in biliary tract infections in daily practice was retrospectively analyzed. Records of patients admitted to five Spanish hospitals (January 2007/February 2011) with biliary infections (cholecystitis/cholangitis) treated with ertapenem for ≥72 hours were reviewed. A total of 187 patients (mean 63.8±19.3 years, 52.9% males) were identified. Up to 96 (51.3%) were operated, with cholecystectomy (97.9%) and primary laparoscopy approach (75%) as most frequent intervention. Non-operated patients presented higher age (71.0±17.5 vs 56.9±18.5 years; P<0.001), heart insufficiency (11.0 vs 3.1%; P = 0.044) and the Mortality in Emergency Department Sepsis score (2.99±2.26 vs 1.94±2.34; P<0.001); and longer length of stay (10.3±6.6 vs 9.1±7.0; P = 0.005). Mean duration of treatment was 6.89±3.38 days. Overall favourable response was 87.7% (95% CI = 83.0-92.4) at the end of treatment. In the multivariate analysis (P<0.001, R² Cox = 0.10), non-favourable response was associated with Charlson index≥5 (OR = 18.71; 95% CI: 1.26-278.55; P = 0.034), pericholecystic abscess (OR = 5.30; 95% CI: 1.26-22.37; P = 0.023) and >3 days from symptoms start to admission (OR = 3.02; 95% CI: 1.13-8.04; P = 0.027).
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Affiliation(s)
- Antonio Torres
- Department of General Surgery, Hospital Clínico San Carlos, Madrid, Spain.
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Zhang Y, Yang J, Ye L, Luo Y, Wang W, Zhou W, Cui Z, Han L. Characterization of Clinical Multidrug-ResistantEscherichia coliandKlebsiella pneumoniaeIsolates, 2007–2009, China. Microb Drug Resist 2012; 18:465-70. [PMID: 22548669 DOI: 10.1089/mdr.2012.0016] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Youjiang Zhang
- Department of Microbiology, Chinese PLA General Hospital, Beijing, China
| | - Jiyong Yang
- Department of Microbiology, Chinese PLA General Hospital, Beijing, China
| | - Liyan Ye
- Department of Microbiology, Chinese PLA General Hospital, Beijing, China
| | - Yanping Luo
- Department of Microbiology, Chinese PLA General Hospital, Beijing, China
| | - Weiwei Wang
- Center for Hospital Infection Control, Chinese PLA Institute for Disease Control & Prevention, Beijing, China
| | - Wei Zhou
- Laboratory of Synthetic Biology and Microbial Genomics, Beijing Institute of Biotechnology, Beijing, China
| | - Zhigang Cui
- State Key Laboratory for Infectious Disease Prevention and Control, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Li Han
- Center for Hospital Infection Control, Chinese PLA Institute for Disease Control & Prevention, Beijing, China
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