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Li H, Duan S, Li L, Zhao G, Wei L, Zhang B, Ma Y, Wu MX, Mao Y, Lu M. Bio-Responsive Sliver Peroxide-Nanocarrier Serves as Broad-Spectrum Metallo-β-lactamase Inhibitor for Combating Severe Pneumonia. Adv Mater 2024; 36:e2310532. [PMID: 38095435 DOI: 10.1002/adma.202310532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/04/2023] [Indexed: 12/22/2023]
Abstract
Metallo-β-lactamases (MBLs) represent a prevalent resistance mechanism in Gram-negative bacteria, rendering last-line carbapenem-related antibiotics ineffective. Here, a bioresponsive sliver peroxide (Ag2 O2 )-based nanovesicle, named Ag2 O2 @BP-MT@MM, is developed as a broad-spectrum MBL inhibitor for combating MBL-producing bacterial pneumonia. Ag2 O2 nanoparticle is first orderly modified with bovine serum albumin and polydopamine to co-load meropenem (MER) and [5-(p-fluorophenyl)-2-ureido]-thiophene-3-carboxamide (TPCA-1) and then encapsulated with macrophage membrane (MM) aimed to target inflammatory lung tissue specifically. The resultant Ag2 O2 @BP-MT@MM effectively abrogates MBL activity by displacing the Zn2+ cofactor in MBLs with Ag+ and displays potent bactericidal and anti-inflammatory properties, specific targeting abilities, and great bioresponsive characteristics. After intravenous injection, the nanoparticles accumulate prominently at infection sites through MM-mediated targeting . Ag+ released from Ag2 O2 decomposition at the infection sites effectively inhibits MBL activity and overcomes the resistance of MBL-producing bacteria to MER, resulting in synergistic elimination of bacteria in conjunction with MER. In two murine infection models of NDM-1+ Klebsiella pneumoniae-induced severe pneumonia and NDM-1+ Escherichia coli-induced sepsis-related bacterial pneumonia, the nanoparticles significantly reduce bacterial loading, pro-inflammatory cytokine levels locally and systemically, and the recruitment and activation of neutrophils and macrophages. This innovative approach presents a promising new strategy for combating infections caused by MBL-producing carbapenem-resistant bacteria.
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Affiliation(s)
- Hanqing Li
- Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Shuxian Duan
- Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Lixia Li
- Department of Pharmacy, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Gang Zhao
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Li Wei
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Bohan Zhang
- Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Yingying Ma
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Mei X Wu
- Wellman Center for Photomedicine, Massachusetts General Hospital Department of Dermatology, Harvard Medical School, 50 Blossom Street, Boston, MA, 02114, USA
| | - Yanfei Mao
- Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Min Lu
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
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Wang Q, Liao G, Xia Q, Ge C, Ding H. Safety and effectiveness of tigecycline combination therapy in renal transplant patients with infection due to carbapenem-resistant gram-negative bacteria. Front Cell Infect Microbiol 2023; 13:1215288. [PMID: 38035333 PMCID: PMC10682949 DOI: 10.3389/fcimb.2023.1215288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 10/10/2023] [Indexed: 12/02/2023] Open
Abstract
Background Carbapenem-resistant gram-negative bacterial (CRGNB) infections are increasing among kidney transplant recipients, and effective therapeutic options are limited. This study aimed to investigate the efficacy and adverse events associated with combination therapy tigecycline in renal transplant patients with CRGNB infections. Methods This study retrospectively analyzed 40 Chinese patients with confirmed or suspected CRGNB infections who received tigecycline therapy. The patients' case features and clinical and microbiological data were analyzed. Results A total of 40 renal transplant recipients received tigecycline therapy for a median duration of 9 (range, 3-25) days. CRGNB isolates were obtained from the organ preservation solution of the donor kidney in 28 patients, with confirmed transmission in 4 patients. Infections were detected in the bloodstream, urinary tract, sputum, and wound. The most prevalent isolates were Klebsiella pneumoniae (75%, 30/40), Acinetobacter baumannii (15%, 6/40), and Escherichia coli (10%, 4/40). A clinical response was observed in 32 (80%) patients. The 28-day all-cause mortality rate was 7.5% (3/40), while the one-year all-cause mortality rate was 2.5% (1/40). While one patient died owing to severe pancreatitis, no serious adverse events related to tigecycline therapy were reported. However, multiple indices of liver function and pancreatitis precursors increased after treatment with tigecycline compared to before treatment. Conclusion Tigecycline therapy appears to be well tolerated in renal transplant recipients with multidrug-resistant bacterial infections. Nevertheless, attention should be paid to adverse reactions related to tigecycline therapy, especially gastrointestinal reactions, and the related laboratory tests should be closely monitored.
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Affiliation(s)
- Qin Wang
- Department of Pharmacy, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
- The Grade 3 Pharmaceutical Chemistry Laboratory of State Administration of Traditional Chinese Medicine, Hefei, Anhui, China
| | - Guiyi Liao
- Departent of Urology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
- Institute of Urology, Anhui Medical University, Hefei, Anhui, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Quan Xia
- Department of Pharmacy, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
- The Grade 3 Pharmaceutical Chemistry Laboratory of State Administration of Traditional Chinese Medicine, Hefei, Anhui, China
| | - Chaoliang Ge
- Department of Pharmacy, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
- The Grade 3 Pharmaceutical Chemistry Laboratory of State Administration of Traditional Chinese Medicine, Hefei, Anhui, China
| | - Handong Ding
- Departent of Urology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
- Institute of Urology, Anhui Medical University, Hefei, Anhui, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, Anhui, China
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Kipourou M, Begou O, Manika K, Ismailos G, Kontou P, Pitsiou G, Gika H, Kioumis I. Tigecycline Pharmacokinetic and Pharmacodynamic Profile in Patients with Chronic Obstructive Pulmonary Disease Exacerbation. Antibiotics (Basel) 2023; 12. [PMID: 36830217 DOI: 10.3390/antibiotics12020307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND We aimed to evaluate the pharmacokinetic profile of tigecycline in plasma and its penetration to sputum in moderately ill patients with an infectious acute exacerbation of chronic obstructive pulmonary disease (COPD). METHODS Eleven patients hospitalized with acute respiratory failure due to an acute COPD exacerbation with clinical evidence of an infectious cause received tigecycline 50 mg twice daily after an initial loading dose of 100 mg. Blood and sputum samples were collected at steady state after dose seven. RESULTS In plasma, mean Cmax pl was 975.95 ± 490.36 ng/mL and mean Cmin pl was 214.48 ±140.62 ng/mL. In sputum, mean Cmax sp was 641.91 ± 253.07 ng/mL and mean Cmin sp was 308.06 ± 61.7 ng/mL. In plasma, mean AUC 0-12 pl was 3765.89 ± 1862.23 ng*h/mL, while in sputum mean AUC 0-12 sp was 4023.27 ± 793.37 ng*h/mL. The mean penetration ratio for the 10/11 patients was 1.65 ± 1.35. The mean Free AUC0-24 pl/MIC ratio for Streptococcus pneumoniae and Haemophilus influenzae was 25.10 ± 12.42 and 6.02 ± 2.97, respectively. CONCLUSIONS Our findings support the clinical effectiveness of tigecycline against commonly causative bacteria in COPD exacerbations and highlight its sufficient lung penetration in pulmonary infections of moderate severity.
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Abushanab D, Nasr ZG, Al-Badriyeh D. Efficacy and Safety of Colistin versus Tigecycline for Multi-Drug-Resistant and Extensively Drug-Resistant Gram-Negative Pathogens-A Meta-Analysis. Antibiotics (Basel) 2022; 11:antibiotics11111630. [PMID: 36421274 PMCID: PMC9686723 DOI: 10.3390/antibiotics11111630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/13/2022] [Accepted: 09/16/2022] [Indexed: 11/17/2022] Open
Abstract
Background: We intended to compare the efficacy and safety outcomes of colistin versus tigecycline as monotherapy or combination therapy against multi-drug resistant (MDR) and extensively drug-resistant (XDR) pathogens. Methods: A search was conducted in PubMed, Cochrane CENTRAL, EMBASE, and in the grey literature (i.e., ClinicalTrials.gov and Google Scholar) up to May 2021. Outcomes were clinical response, mortality, infection recurrence, and renal and hepatic toxicity. We pooled odd ratios (OR) using heterogeneity-guided random or fixed models at a statistical significance of p < 0.05. Results: Fourteen observational studies involving 1163 MDR/XDR pathogens, receiving tigecycline versus colistin monotherapy or combination, were included. Base-case analyses revealed insignificant differences in the clinical response, reinfection, and hepatic impairment. The 30-day mortality was significantly relatively reduced with tigecycline monotherapy (OR = 0.35, 95% CI 0.16−0.75, p = 0.007). The colistin monotherapy significantly relatively reduced in-hospital mortality (OR = 2.27, 95%CI 1.24−4.16, p = 0.008). Renal impairment rates were lower with tigecycline monotherapy or in combination, and were lower with monotherapy versus colistin-tigecycline combination. Low-risk of bias and moderate/high evidence quality were associated with all studies. Conclusions: Within the limitations of this study, it can be concluded that there were no statistically significant differences in main efficacy outcomes between colistin and tigecycline monotherapies or combinations against MDR/XDR infections, except for lower rates of 30-day mortality with tigecycline and in-hospital mortality with colistin. Tigecycline was associated with favourable renal toxicity outcomes.
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Affiliation(s)
- Dina Abushanab
- Department of Pharmacy, Hamad Medical Corporation, Doha 3050, Qatar
| | - Ziad G. Nasr
- College of Pharmacy, QU Health, Qatar University, Doha 2713, Qatar
| | - Daoud Al-Badriyeh
- College of Pharmacy, QU Health, Qatar University, Doha 2713, Qatar
- Correspondence: ; Tel.: +974-4403-5591; Fax: +974-4403-5551
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Dolma KG, Khati R, Paul AK, Rahmatullah M, de Lourdes Pereira M, Wilairatana P, Khandelwal B, Gupta C, Gautam D, Gupta M, Goyal RK, Wiart C, Nissapatorn V. Virulence Characteristics and Emerging Therapies for Biofilm-Forming Acinetobacter baumannii: A Review. Biology 2022; 11:biology11091343. [PMID: 36138822 PMCID: PMC9495682 DOI: 10.3390/biology11091343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/04/2022] [Accepted: 09/08/2022] [Indexed: 11/20/2022]
Abstract
Simple Summary Acinetobacter baumannii (A. baumannii) is one of the ESKAPE organisms and has the competency to build biofilms. These biofilms account for the most nosocomial infections all over the world. This review reflects on the various physicochemical and environmental factors such as adhesion, pili expression, growth surfaces, drug-resistant genes, and virulence factors that profoundly affect its resistant forte. Emerging drug-resistant issues and limitations to newer drugs are other factors affecting the hospital environment. Here, we discuss newer and alternative methods that can significantly enhance the susceptibility to Acinetobacter spp. Many new antibiotics are under trials, such as GSK-3342830, The Cefiderocol (S-649266), Fimsbactin, and similar. On the other hand, we can also see the impact of traditional medicine and the secondary metabolites of these natural products’ application in searching for new treatments. The field of nanoparticles has demonstrated effective antimicrobial actions and has exhibited encouraging results in the field of nanomedicine. The use of various phages such as vWUPSU and phage ISTD as an alternative treatment for its specificity and effectiveness is being investigated. Cathelicidins obtained synthetically or from natural sources can effectively produce antimicrobial activity in the micromolar range. Radioimmunotherapy and photodynamic therapy have boundless prospects if explored as a therapeutic antimicrobial strategy. Abstract Acinetobacter species is one of the most prevailing nosocomial pathogens with a potent ability to develop antimicrobial resistance. It commonly causes infections where there is a prolonged utilization of medical devices such as CSF shunts, catheters, endotracheal tubes, and similar. There are several strains of Acinetobacter (A) species (spp), among which the majority are pathogenic to humans, but A. baumannii are entirely resistant to several clinically available antibiotics. The crucial mechanism that renders them a multidrug-resistant strain is their potent ability to synthesize biofilms. Biofilms provide ample opportunity for the microorganisms to withstand the harsh environment and further cause chronic infections. Several studies have enumerated multiple physiological and virulence factors responsible for the production and maintenance of biofilms. To further enhance our understanding of this pathogen, in this review, we discuss its taxonomy, pathogenesis, current treatment options, global resistance rates, mechanisms of its resistance against various groups of antimicrobials, and future therapeutics.
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Affiliation(s)
- Karma G. Dolma
- Department of Microbiology, Sikkim Manipal Institute of Medical Sciences, Sikkim Manipal University, Gangtok 737102, Sikkim, India
| | - Rachana Khati
- Department of Microbiology, Sikkim Manipal Institute of Medical Sciences, Sikkim Manipal University, Gangtok 737102, Sikkim, India
| | - Alok K. Paul
- School of Pharmacy and Pharmacology, University of Tasmania, Hobart, TAS 7001, Australia
| | - Mohammed Rahmatullah
- Department of Biotechnology & Genetic Engineering, University of Development Alternative, Lalmatia, Dhaka 1207, Bangladesh
| | - Maria de Lourdes Pereira
- CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
- Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
- Correspondence: (P.W.); (V.N.)
| | - Bidita Khandelwal
- Department of Medicine, Sikkim Manipal Institute of Medical Sciences, Sikkim Manipal University, Gangtok 737102, Sikkim, India
| | - Chamma Gupta
- Department of Biotechnology, Sikkim Manipal Institute of Medical Sciences, Sikkim Manipal University, Gangtok 737102, Sikkim, India
| | - Deepan Gautam
- Department of Microbiology, Sikkim Manipal Institute of Medical Sciences, Sikkim Manipal University, Gangtok 737102, Sikkim, India
| | - Madhu Gupta
- Department of Pharmaceutics, Delhi Pharmaceutical Sciences and Research University, New Delhi 110017, India
| | - Ramesh K. Goyal
- Department of Pharmaceutics, Delhi Pharmaceutical Sciences and Research University, New Delhi 110017, India
| | - Christophe Wiart
- Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Kota Kinabalu 88400, Malaysia
| | - Veeranoot Nissapatorn
- School of Allied Health Sciences and World Union for Herbal Drug Discovery (WUHeDD), Walailak University, Nakhon Si Thammarat 80160, Thailand
- Correspondence: (P.W.); (V.N.)
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Yin T, Lai JJ, Huang WC, Kuo SC, Chiang TT, Yang YS. In vitro and in vivo comparison of eravacycline- and tigecycline-based combination therapies for tigecycline-resistant Acinetobacter baumannii. J Chemother 2021; 34:166-172. [PMID: 34818987 DOI: 10.1080/1120009x.2021.2005755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Several antimicrobial combination therapies are used to treat multiple drug resistant (MDR) and extensively drug resistant (XDR) Acinetobacter baumannii infections. A novel antibiotic, eravacycline, shows a higher potency than tigecycline. The efficacies of eravacycline-based therapies have not yet been evaluated. We demonstrated the effectiveness of eravacycline- and tigecycline-based combination therapies in XDR and especially tigecycline resistant A. baumannii. Thirteen eligible isolates were selected from 642 non-duplicate Acinetobacter blood isolates from four medical centres in 2010-2014. Tigecycline/imipenem and eravacycline/imipenem combinations were simultaneously effective against some isolates in vitro with fractional inhibitory concentration index of 0.5. In contrast, eravacycline- and tigecycline-based combination therapies provided no additional benefits in mouse survival compared to those for monotherapy. In summary, colistin is still the final resort for XDR-A. baumannii treatment according to the sensitivities. Owning to rapid development of resistance in A. baumannii, novel antibiotics are urgently needed.
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Affiliation(s)
- Ti Yin
- Nursing Department, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Jiun-Ji Lai
- Department of Internal Medicine, Division of Infectious Diseases and Tropical Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Wei-Cheng Huang
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli County, Taiwan
| | - Shu-Chen Kuo
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli County, Taiwan
| | - Tsung-Ta Chiang
- Department of Internal Medicine, Division of Infectious Diseases and Tropical Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Ya-Sung Yang
- Department of Internal Medicine, Division of Infectious Diseases and Tropical Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
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Carattoli A, Arcari G, Bibbolino G, Sacco F, Tomolillo D, Di Lella FM, Trancassini M, Faino L, Venditti M, Antonelli G, Raponi G. Evolutionary Trajectories toward Ceftazidime-Avibactam Resistance in Klebsiella pneumoniae Clinical Isolates. Antimicrob Agents Chemother 2021;:AAC0057421. [PMID: 34339281 DOI: 10.1128/AAC.00574-21] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
From January 2019 to April 2020, 32 KPC-producing, ceftazidime-avibactam (CZA) resistant Klebsiella pneumoniae strains were isolated in a university hospital in Rome, Italy. These strains belonged to the ST512, ST101 and ST307 high-risk clones. Nine different CZA-resistant KPC-3 protein variants were identified, five of them never previously reported (KPC-66 to KPC-70). Among them, KPC-31, KPC-39, KPC-49, KPC-66, KP-68, KPC-69 and KPC-70 showed amino acid substitutions, insertions and deletions in the Ω loop of the protein. KPC-29 has the duplication, while the novel KPC-67 has the triplication of the KDD triplet in the 270-loop of the protein. Genomics performed on contemporary resistant and susceptible clones underlined that those novel mutations emerged in blaKPC-3 genes located on conserved plasmids: in ST512, all blaKPC-3 mutant genes were located in pKpQIL plasmids, while the three novel blaKPC-3 mutants identified in ST101 were on FIIk-FIA(HI1)-R plasmids. Selection also promoted multiplication of the carbapenemase gene copy number by transposition, recombination, and fusion of resident plasmids. When expressed in Escherichia coli recipient cells cloned in the high-copy number pTOPO vector, the Ω loop mutated variants showed CZA-resistant phenotype associated with susceptibility to carbapenems, while KPC variants with insertions in the 270-loop showed residual activity on carbapenems. The investigation of CZA-resistance mechanisms offered the unique opportunity to study vertical, horizontal, and oblique evolutionary trajectories of K. pneumoniae high-risk clones.
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Yaghoubi S, Zekiy AO, Krutova M, Gholami M, Kouhsari E, Sholeh M, Ghafouri Z, Maleki F. Tigecycline antibacterial activity, clinical effectiveness, and mechanisms and epidemiology of resistance: narrative review. Eur J Clin Microbiol Infect Dis 2021; 41:1003-1022. [PMID: 33403565 PMCID: PMC7785128 DOI: 10.1007/s10096-020-04121-1] [Citation(s) in RCA: 79] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 12/02/2020] [Indexed: 12/14/2022]
Abstract
Tigecycline is unique glycylcycline class of semisynthetic antimicrobial agents developed for the treatment of polymicrobial infections caused by multidrug-resistant Gram-positive and Gram-negative pathogens. Tigecycline evades the main tetracycline resistance genetic mechanisms, such as tetracycline-specific efflux pump acquisition and ribosomal protection, via the addition of a glycyclamide moiety to the 9-position of minocycline. The use of the parenteral form of tigecycline is approved for complicated skin and skin structure infections (excluding diabetes foot infection), complicated intra-abdominal infections, and community-acquired bacterial pneumonia in adults. New evidence also suggests the effectiveness of tigecycline for the treatment of severe Clostridioides difficile infections. Tigecycline showed in vitro susceptibility to Coxiella spp., Rickettsia spp., and multidrug-resistant Neisseria gonnorrhoeae strains which indicate the possible use of tigecycline in the treatment of infections caused by these pathogens. Except for intrinsic, or often reported resistance in some Gram-negatives, tigecycline is effective against a wide range of multidrug-resistant nosocomial pathogens. Herein, we summarize the currently available data on tigecycline pharmacokinetics and pharmacodynamics, its mechanism of action, the epidemiology of tigecycline resistance, and its clinical effectiveness.
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Affiliation(s)
- Sajad Yaghoubi
- Department of Clinical Microbiology, Iranshahr University of Medical Sciences, Iranshahr, Iran
| | - Angelina Olegovna Zekiy
- Department of Prosthetic Dentistry, Sechenov First Moscow State Medical University, Russian Federation, Trubetskaya st., 8-2, 119991, Moscow, Russia
| | - Marcela Krutova
- Department of Medical Microbiology, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Mehrdad Gholami
- Department of Microbiology and Virology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ebrahim Kouhsari
- Laboratory Sciences Research Center, Golestan University of Medical Sciences, P.O. Box 6939177143, Gorgan- Sari Road, Golestan Province, Gorgan, Iran. .,Department of Laboratory Sciences, Faculty of Paramedicine, Golestan University of Medical Sciences, P.O. Box 6939177143, Gorgan- Sari Road, Golestan Province, Gorgan, Iran.
| | - Mohammad Sholeh
- Department of Microbiology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Ghafouri
- Department of Biochemistry, Biophysics and Genetics, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Farajolah Maleki
- Department of Laboratory Sciences, School of Allied Medical Sciences, Ilam University of Medical sciences, Ilam, Iran.
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Krasnanova V, Kovacikova L. Tigecycline Therapy for Multi-drug-Resistant Pseudomonas aeruginosa Sepsis Associated with Multi-organ Failure in an Infant with Persistent Arterial Duct. Case Report. SN Compr Clin Med 2020; 2:1248-1250. [PMID: 32838166 PMCID: PMC7357261 DOI: 10.1007/s42399-020-00395-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 07/06/2020] [Indexed: 11/27/2022]
Abstract
Sepsis is the leading cause of death in infants and children worldwide. The growing drug resistance in nosocomial gram-negative bacteria has resulted in treatment challenges. One of the most common multi-drug-resistant bacteria is Pseudomonas aeruginosa. Resistance to antibiotics used in Pseudomonas aeruginosa infections limits the therapeutic options. We present a tigecycline administration in a 5-month-old infant with patent arterial duct, heart failure, and respiratory failure due to respiratory syncytial virus bronchiolitis with subsequent respiratory distress syndrome and severe sepsis caused by multi-drug-resistant Pseudomonas aeruginosa. Despite combined antibiotic therapy with meropenem, amikacin, and colistin, inflammatory markers increased. Because of life-threatening condition, tigecycline was added to the therapy and was administered intravenously twice daily. Within 48 h, inflammatory markers started to decrease and tigecycline therapy continued for 13 days without adverse effects. Tigecycline used in combination with other antibiotics might be a valuable therapeutic approach in the management of multi-drug-resistant bacteria infections in pediatric patients when conventional antibiotics have failed. Further studies are needed to evaluate the efficacy and safety of tigecycline administration in critically ill pediatric patients.
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Affiliation(s)
- Veronika Krasnanova
- Pediatric Cardiac Intensive Care Unit, National Institute of Cardiovascular Diseases, Limbova 1, Bratislava, Slovakia
| | - Lubica Kovacikova
- Pediatric Cardiac Intensive Care Unit, National Institute of Cardiovascular Diseases, Limbova 1, Bratislava, Slovakia
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Chen F, Shen C, Pang X, Zhang Z, Deng Y, Han L, Chen X, Zhang J, Xia Q, Qian Y. Effectiveness of tigecycline in the treatment of infections caused by carbapenem-resistant gram-negative bacteria in pediatric liver transplant recipients: A retrospective study. Transpl Infect Dis 2019; 22:e13199. [PMID: 31627248 DOI: 10.1111/tid.13199] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 09/22/2019] [Accepted: 10/12/2019] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Tigecycline (TGC) is effective for the infections caused by carbapenem-resistant gram-negative bacteria (CRGNB) in adults, but it is not investigated systematically in children because of concern about adverse effects. This study aimed to analyze the effectiveness of TGC in treating CRGNB infections in children after receiving liver transplant. METHODS The subjects in this retrospective study were pediatric liver transplant recipients treated with TGC for at least 3 days to fight microbiologically verified CRGNB infection after initial antibiotic failure during the period from January 2014 to May 2018. Clinical and microbiological outcomes were reviewed to evaluate the efficacy and safety of TGC. RESULTS Of the 1177 pediatric liver transplant recipients, 13 patients were eligible for inclusion in this analysis. All the patients received TGC at dose of 2 mg/kg every 12 hours for a duration of 10.1 ± 5.1 days on average to treat CRGNB infections, including complicated intra-abdominal infection, ventilator-associated pneumonia, and bloodstream infection. The isolates included Klebsiella pneumoniae (69.2%, 9/13) and Acinetobacter baumannii (30.8%, 4/13). Clinical efficacy was achieved in 84.6% (11/13) and pathogen eradicated in 69.2% (9/13) of the patients. The overall mortality rate was 15.4% (2/13). No TGC-related serious adverse event was reported. CONCLUSION Tigecycline can be considered in combination antimicrobial regimen for treating CRGNB-related infections in pediatric liver transplant recipients.
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Affiliation(s)
- Fang Chen
- Department of Pharmacy, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Chuan Shen
- Department of Liver Surgery, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaoyun Pang
- Department of Pharmacy, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Zaili Zhang
- Department of Pharmacy, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Yuxiao Deng
- Department of Critical Care Medicine, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Longzhi Han
- Department of Liver Surgery, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaosong Chen
- Department of Liver Surgery, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Jianjun Zhang
- Department of Liver Surgery, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Qiang Xia
- Department of Liver Surgery, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Yongbing Qian
- Department of Liver Surgery, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
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Karaiskos I, Lagou S, Pontikis K, Rapti V, Poulakou G. The "Old" and the "New" Antibiotics for MDR Gram-Negative Pathogens: For Whom, When, and How. Front Public Health 2019; 7:151. [PMID: 31245348 PMCID: PMC6581067 DOI: 10.3389/fpubh.2019.00151] [Citation(s) in RCA: 157] [Impact Index Per Article: 31.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 05/23/2019] [Indexed: 12/15/2022] Open
Abstract
The recent expansion of multidrug resistant and pan-drug-resistant pathogens poses significant challenges in the treatment of healthcare associated infections. An important advancement, is a handful of recently launched new antibiotics targeting some of the current most problematic Gram-negative pathogens, namely carbapenem-producing Enterobacteriaceae (CRE) and carbapenem-resistant P. aeruginosa (CRPA). Less options are available against carbapenem-resistant Acinetobacter baumannii (CRAB) and strains producing metallo-beta lactamases (MBL). Ceftazidime-avibactam signaled a turning point in the treatment of KPC and partly OXA- type carbapenemases, whereas meropenem-vaborbactam was added as a potent combination against KPC-producers. Ceftolozane-tazobactam could be seen as an ideal beta-lactam backbone for the treatment of CRPA. Plazomicin, an aminoglycoside with better pharmacokinetics and less toxicity compared to other class members, will cover important proportions of multi-drug resistant pathogens. Eravacycline holds promise in the treatment of infections by CRAB, with a broad spectrum of activity similar to tigecycline, and improved pharmacokinetics. Novel drugs and combinations are not to be considered "panacea" for the ongoing crisis in the therapy of XDR Gram-negative bacteria and colistin will continue to be considered as a fundamental companion drug for the treatment of carbapenem-resistant Enterobacteriaceae (particularly in areas where MBL predominate), for the treatment of CRPA (in many cases being the only in vitro active drug) as well as CRAB. Aminoglycosides are still important companion antibiotics. Finally, fosfomycin as part of combination treatment for CRE infections and P. aeruginosa, deserves a greater attention. Optimal conditions for monotherapy and the "when and how" of combination treatments integrating the novel agents will be discussed.
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Affiliation(s)
- Ilias Karaiskos
- First Department of Internal Medicine-Infectious Diseases, Hygeia General Hospital, Athens, Greece
| | - Styliani Lagou
- Third Department of Medicine, School of Medicine, Sotiria General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Konstantinos Pontikis
- ICU First Department of Respiratory Medicine, School of Medicine, Sotiria General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Vasiliki Rapti
- Third Department of Medicine, School of Medicine, Sotiria General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Garyphallia Poulakou
- Third Department of Medicine, School of Medicine, Sotiria General Hospital, National and Kapodistrian University of Athens, Athens, Greece
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Fragkou PC, Poulakou G, Blizou A, Blizou M, Rapti V, Karageorgopoulos DE, Koulenti D, Papadopoulos A, Matthaiou DK, Tsiodras S. The Role of Minocycline in the Treatment of Nosocomial Infections Caused by Multidrug, Extensively Drug and Pandrug Resistant Acinetobacter baumannii: A Systematic Review of Clinical Evidence. Microorganisms 2019; 7:microorganisms7060159. [PMID: 31159398 PMCID: PMC6617316 DOI: 10.3390/microorganisms7060159] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 05/16/2019] [Accepted: 05/30/2019] [Indexed: 12/22/2022] Open
Abstract
Treatment options for multidrug resistant Acinetobacter baumannii strains (MDR-AB) are limited. Minocycline has been used alone or in combination in the treatment of infections associated with AB. A systematic review of the clinical use of minocycline in nosocomial infections associated with MDR-AB was performed according to the PRISMA-P guidelines. PubMed-Medline, Scopus and Web of Science TM databases were searched from their inception until March 2019. Additional Google Scholar free searches were performed. Out of 2990 articles, 10 clinical studies (9 retrospective case series and 1 prospective single center trial) met the eligibility criteria. In total, 223 out of 268 (83.2%) evaluated patients received a minocycline-based regimen; and 200 out of 218 (91.7%) patients with available data received minocycline as part of a combination antimicrobial regimen (most frequently colistin or carbapenems). Pneumonia was the most common infection type in the 268 cases (80.6% with 50.4% ventilator-associated pneumonia). The clinical and microbiological success rates following minocycline treatment were 72.6% and 60.2%, respectively. Mortality was 20.9% among 167 patients with relevant data. In this systematic review, minocycline demonstrated promising activity against MDR-AB isolates. This review sets the ground for further studies exploring the role of minocycline in the treatment of MDR-AB associated infections.
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Affiliation(s)
- Paraskevi C Fragkou
- th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, 12462, Greece.
| | - Garyfallia Poulakou
- rd Department of Medicine, Sotiria General Hospital, National and Kapodistrian University of Athens, Athens, 11527, Greece.
| | - Andromachi Blizou
- th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, 12462, Greece.
| | - Myrto Blizou
- th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, 12462, Greece.
| | - Vasiliki Rapti
- th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, 12462, Greece.
| | - Drosos E Karageorgopoulos
- th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, 12462, Greece.
| | - Despoina Koulenti
- Adult Critical Care Unit, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, 12462, Greece.
- TCCRC, UQCCR, Faculty of Medicine, University of Queensland, Brisbane, QLD 4072, Australia.
| | - Antonios Papadopoulos
- th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, 12462, Greece.
| | - Dimitrios K Matthaiou
- Adult Critical Care Unit, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, 12462, Greece.
| | - Sotirios Tsiodras
- th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, 12462, Greece.
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Song Y, Hu L, Shu Q, Ye J, Liang J, Chen X, Tan L. Tigecycline salvage therapy for critically ill children with multidrug-resistant/extensively drug-resistant infections after surgery. Int J Infect Dis 2018; 75:82-88. [PMID: 30125690 DOI: 10.1016/j.ijid.2018.08.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 06/25/2018] [Accepted: 08/07/2018] [Indexed: 12/26/2022] Open
Abstract
OBJECTIVE The aim of this study was to evaluate the efficacy and safety of salvage therapy of tigecycline in critically ill children with infections caused by multidrug-resistant (MDR)/extensively drug-resistant (XDR) bacteria after surgery. METHODS A retrospective chart review was performed of critically ill children after surgery who had received tigecycline for ≥3days between June 2012 and May 2016 in the surgical intensive care unit of a tertiary level children's hospital. RESULTS Of 6442 consecutive children admitted after surgery, a total of 22 were enrolled. They had a median age of 7.5 months (interquartile range (IQR), 6 months to 4 years) and a median weight of 7.3kg (IQR, 5.1-12.5kg). Patients received tigecycline for a median 17days (IQR, 12-20 days). The median intensive care unit stay was 56days (IQR, 38-61 days) and median hospital stay was 78days (IQR, 61-94 days). Tigecycline was prescribed as culture-directed therapy in 91% of patients and as empirical therapy in 9%. Clinical success was reported in 86% of the patients. The all-cause mortality in this cohort was 18%. No serious adverse effects of tigecycline were detected in these patients. CONCLUSIONS Tigecycline salvage therapy was successful in 86% of critically ill pediatric patients with MDR/XDR infections after surgery, with no severe adverse effects.
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Affiliation(s)
- Ying Song
- Department of Surgical ICU, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lei Hu
- Department of Surgical ICU, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qiang Shu
- Department of Cardiac Surgery, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jing Ye
- Department of Surgical ICU, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jianfeng Liang
- Department of Medical Statistics, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xi Chen
- Key Laboratory of Diagnosis and Treatment of Neonatal Diseases of Zhejiang Province, Hangzhou, China; Department of Central Laboratory, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Linhua Tan
- Department of Surgical ICU, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.
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Bassetti M, Giacobbe DR, Giamarellou H, Viscoli C, Daikos GL, Dimopoulos G, De Rosa FG, Giamarellos-Bourboulis EJ, Rossolini GM, Righi E, Karaiskos I, Tumbarello M, Nicolau DP, Viale PL, Poulakou G. Management of KPC-producing Klebsiella pneumoniae infections. Clin Microbiol Infect 2017; 24:133-144. [PMID: 28893689 DOI: 10.1016/j.cmi.2017.08.030] [Citation(s) in RCA: 119] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 08/17/2017] [Accepted: 08/23/2017] [Indexed: 02/08/2023]
Abstract
BACKGROUND Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae (KPC-KP) has become one of the most important contemporary pathogens, especially in endemic areas. AIMS To provide practical suggestion for physicians dealing with the management of KPC-KP infections in critically ill patients, based on expert opinions. SOURCES PubMed search for relevant publications related to the management of KPC-KP infections. CONTENTS A panel of experts developed a list of 12 questions to be addressed. In view of the current lack of high-level evidence, they were asked to provide answers on the bases of their knowledge and experience in the field. The panel identified several key aspects to be addressed when dealing with KPC-KP in critically ill patients (preventing colonization in the patient, preventing infection in the colonized patient and colonization of his or her contacts, reducing mortality in the infected patient by rapidly diagnosing the causative agent and promptly adopting the best therapeutic strategy) and provided related suggestions that were based on the available observational literature and the experience of panel members. IMPLICATIONS Diagnostic technologies could speed up the diagnosis of KPC-KP infections. Combination treatment should be preferred to monotherapy in cases of severe infections. For non-critically ill patients without severe infections, results from randomized clinical trials are needed for ultimately weighing benefits and costs of using combinations rather than monotherapy. Multifaceted infection control interventions are needed to decrease the rates of colonization and cross-transmission of KPC-KP.
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Affiliation(s)
- M Bassetti
- Infectious Diseases Clinic, Department of Medicine University of Udine and Azienda Sanitaria Universitaria Integrata, Presidio Ospedaliero Universitario Santa Maria della Misericordia, Udine, Italy.
| | - D R Giacobbe
- Infectious Diseases Unit, Ospedale Policlinico San Martino-IRCCS per l'Oncologia, University of Genoa (DISSAL), Genoa, Italy
| | - H Giamarellou
- 6th Department of Internal Medicine, Hygeia General Hospital, 4, Erythrou Stavrou Str & Kifisias, Marousi, Athens, Greece
| | - C Viscoli
- Infectious Diseases Unit, Ospedale Policlinico San Martino-IRCCS per l'Oncologia, University of Genoa (DISSAL), Genoa, Italy
| | - G L Daikos
- 1st Department of Propaedeutic Medicine, Laikon Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - G Dimopoulos
- Department of Critical Care, University Hospital Attikon, Medical School, University of Athens, Athens, Greece
| | - F G De Rosa
- Department of Medical Science, University of Turin, Infectious Diseases Amedeo di Savoia Hospital, Turin, Italy
| | - E J Giamarellos-Bourboulis
- 4th Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - G M Rossolini
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy; Clinical Microbiology and Virology Unit, Florence Careggi University Hospital, Florence, Italy
| | - E Righi
- Infectious Diseases Clinic, Department of Medicine University of Udine and Azienda Sanitaria Universitaria Integrata, Presidio Ospedaliero Universitario Santa Maria della Misericordia, Udine, Italy
| | - I Karaiskos
- 6th Department of Internal Medicine, Hygeia General Hospital, 4, Erythrou Stavrou Str & Kifisias, Marousi, Athens, Greece
| | - M Tumbarello
- Institute of Infectious Diseases Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario Agostino Gemelli, Rome, Italy
| | - D P Nicolau
- Center for Anti-infective Research and Development, Hartford, CT, USA; Division of Infectious Diseases, Hartford Hospital, Hartford, CT, USA
| | - P L Viale
- Clinic of Infectious Diseases, Department of Internal Medicine, Geriatrics and Nephrologic Diseases, S. Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - G Poulakou
- Infectious Diseases Clinic, Department of Medicine University of Udine and Azienda Sanitaria Universitaria Integrata, Presidio Ospedaliero Universitario Santa Maria della Misericordia, Udine, Italy
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15
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Iosifidis E, Violaki A, Michalopoulou E, Volakli E, Diamanti E, Koliouskas D, Antachopoulos C, Drossou-Agakidou V, Sdougka M, Roilides E. Use of Tigecycline in Pediatric Patients With Infections Predominantly Due to Extensively Drug-Resistant Gram-Negative Bacteria. J Pediatric Infect Dis Soc 2017; 6:123-128. [PMID: 27000866 DOI: 10.1093/jpids/piw009] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Accepted: 02/09/2016] [Indexed: 01/01/2023]
Abstract
BACKGROUND. Emergence of extensively drug-resistant (XDR) bacteria has forced clinicians to use off-label antimicrobial agents such as tigecycline. We present our experience on salvage use of tigecycline for the treatment of infections caused by XDR Gram-negative bacteria in critically ill children and review published cases. METHODS. We conducted a retrospective chart review in pediatric departments of a tertiary level hospital from January 2009 to May 2014. Patients were identified using pharmacy database. For the literature review, relevant articles were identified from PubMed. RESULTS. In our case series, 13 children (7 males) with a median age of 8 years (range, 2.5 months-14 years) received tigecycline for ≥2 days as treatment for healthcare-associated infections including 5 bacteremias, 6 lower respiratory tract infections, and 3 other infections. Isolated pathogens were XDR Gram-negative bacteria except 1. A loading dose (range, 1.8-6.5 mg/kg) was given in all except 2 cases. Maintenance dose was given at 1-3.2 mg/kg q12 h. Other antimicrobials including colistin and aminoglycosides (85% and 62%, respectively) were coadministered to all patients. No serious adverse events were detected in these very ill children. Twenty cases of children treated with tigecycline were previously published, mostly for multidrug-resistant/XDR bacteria. An episode of acute pancreatitis and neutrophil engraftment delay in 2 cases were reported during tigecycline treatment. Analyzing reported and all our cases together, mortality in bloodstream infections was 86%, whereas in nonbacteremic cases it was 24% (P = .009). CONCLUSIONS. Tigecycline, given at the range of administered doses as salvage therapy and in combination with other antimicrobial agents, seemed to be well tolerated in a series of mainly critically ill pediatric patients and demonstrated relatively good clinical response in nonbacteremic patients.
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Affiliation(s)
| | | | | | | | - Elisavet Diamanti
- 1st Department of Neonatology and Neonatal Intensive Care Unit, Medical Faculty, Aristotle University School of Health Sciences, and
| | | | | | - Vasiliki Drossou-Agakidou
- 1st Department of Neonatology and Neonatal Intensive Care Unit, Medical Faculty, Aristotle University School of Health Sciences, and
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Abstract
Over the last several decades, antibacterial drug use has become widespread with their misuse being an ever-increasing phenomenon. Consequently, antibacterial drugs have become less effective or even ineffective, resulting in a global health security emergency. The prevalence of multidrug-resistant organisms (MDROs) varies widely among regions and countries. The primary aim of antibiotic stewardship programs is to supervise the three most influential factors contributing to the development and transmission of MDROs, namely: (1) appropriate antibiotic prescribing; (2) early detection and prevention of cross-colonization of MDROs; and (3) elimination of reservoirs. In the future, it is expected that a number of countries will experience a rise in MDROs. These infections will be associated with a high consumption of healthcare resources manifested by a prolonged hospital stay and high mortality. As a counteractive strategy, minimization of broad-spectrum antibiotic use and prompt antibiotic administration will aid in reduction of antibiotic resistance. Innovative management approaches include development and implementation of rapid diagnostic tests that will help in both shortening the duration of therapy and allowing early targeted therapy. The institution of more accessible therapeutic drug monitoring will help to optimize drug administration and support a patient-specific approach. Areas where further research is required are investigation into the heterogeneity of critically ill patients and the need for new antibacterial drug development.
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Affiliation(s)
- Gabor Zilahi
- Department of Clinical Medicine, Trinity Centre for Health Sciences, Multidisciplinary Intensive Care Research Organization (MICRO), Wellcome Trust-HRB Clinical Research, St James's Hospital, St James's University Hospital, Dublin 8, Ireland
| | - Antonio Artigas
- Critical Care Center, Parc Taulí Hospital-Sabadell, CIBERes, Parc Tauli s/n., Sabadell, Barcelona, Spain.,Centros de Investigación Biomédica en Red (CIBER), Madrid, Spain
| | - Ignacio Martin-Loeches
- Department of Clinical Medicine, Trinity Centre for Health Sciences, Multidisciplinary Intensive Care Research Organization (MICRO), Wellcome Trust-HRB Clinical Research, St James's Hospital, St James's University Hospital, Dublin 8, Ireland. .,Centros de Investigación Biomédica en Red (CIBER), Madrid, Spain. .,Wellcome Trust-HRB Clinical Research, Dublin, Ireland. .,Department of Clinical Medicine, Trinity Centre for Health Sciences, Dublin, Ireland.
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Wang T, Yan C, Sun Y, Zhang S, Gao Y, Wang Y, Huang X. [Safety of 48 cases of infection after allogeneic stem cell transplantation treated with tigecycline]. Zhonghua Xue Ye Xue Za Zhi 2015; 36:607-9. [PMID: 26304088 PMCID: PMC7342639 DOI: 10.3760/cma.j.issn.0253-2727.2015.07.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Tao Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Lab of HSCT, Beijing 100044, China
| | - Chenhua Yan
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Lab of HSCT, Beijing 100044, China
| | - Yuqian Sun
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Lab of HSCT, Beijing 100044, China
| | - Shen Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Lab of HSCT, Beijing 100044, China
| | - Yanqun Gao
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Lab of HSCT, Beijing 100044, China
| | - Yu Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Lab of HSCT, Beijing 100044, China
| | - Xiaojun Huang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Lab of HSCT, Beijing 100044, China
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