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Elgazzar D, Aboubakr M, Bayoumi H, Ibrahim AN, Sorour SM, El-Hewaity M, Elsayed AM, Shehata SA, Bayoumi KA, Alsieni M, Behery M, Abdelrahaman D, Ibrahim SF, Abdeen A. Tigecycline and Gentamicin-Combined Treatment Enhances Renal Damage: Oxidative Stress, Inflammatory Reaction, and Apoptosis Interplay. Pharmaceuticals (Basel) 2022; 15:ph15060736. [PMID: 35745655 PMCID: PMC9228782 DOI: 10.3390/ph15060736] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/06/2022] [Accepted: 06/09/2022] [Indexed: 02/04/2023] Open
Abstract
Although the combination of antibiotics is generally well-tolerated, they may have nephrotoxic effects. This study investigated whether tigecycline (TG) and gentamicin (GM) co-administration could accelerate renal damage. Male Wistar rats were randomly divided into six experimental groups: the control, TG7 (tigecycline, 7 mg/kg), TG14 (tigecycline, 14 mg/kg), GM (gentamicin, 80 mg/kg), TG7+GM, and TG14+GM groups. The combination of TG and GM evoked renal damage seen by the disruption of kidney function tests. The perturbation of renal tissue was mainly confounded to the TG and GM-induced oxidative damage, which was exhibited by marked increases in renal MDA (malondialdehyde) along with a drastic reduction in GSH (reduced-glutathione) content and CAT (catalase) activity compared to their individual treatments. More obvious apoptotic events and inflammation were also revealed by elevating the annexin-V and interleukin-6 (IL-6) levels, aside from the upregulation of renal PCNA (proliferating cell nuclear antigen) expression in the TG and GM concurrent treatment. The principal component analysis indicated that creatinine, urea, annexin-V, IL-6, and MDA all played a role in discriminating the TG and GM combined toxicity. Oxidative stress, inflammatory response, and apoptosis were the key mechanisms involved in this potentiated toxicity.
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Affiliation(s)
- Dina Elgazzar
- Department of Veterinary Pharmacology, Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt;
- Correspondence: (D.E.); (A.A.)
| | - Mohamed Aboubakr
- Department of Veterinary Pharmacology, Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt;
| | - Heba Bayoumi
- Histology and Cell Biology Department, Faculty of Medicine, Benha University, Benha 13518, Egypt;
| | - Amany N. Ibrahim
- Department of Pharmacology, Faculty of Medicine, Benha University, Benha 13518, Egypt; (A.N.I.); (S.M.S.)
| | - Safwa M. Sorour
- Department of Pharmacology, Faculty of Medicine, Benha University, Benha 13518, Egypt; (A.N.I.); (S.M.S.)
| | - Mohamed El-Hewaity
- Department of Veterinary Pharmacology, Faculty of Veterinary Medicine, Menoufia University, Shebin Elkoum 32514, Egypt;
| | - Abulmaaty M. Elsayed
- Anatomy and Histology Department, Faculty of Medicine, Mutah University, Mutah 61710, Jordan;
- Department of Anatomy and Embryology, Faculty of Medicine, Benha University, Benha 13518, Egypt;
| | - Shaimaa A. Shehata
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt;
| | - Khaled A. Bayoumi
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Cairo University, Cairo 11956, Egypt;
- Department of Pathology, Faculty of Medicine, King Abdulaziz University, Jeddah 21442, Saudi Arabia
| | - Mohammed Alsieni
- Department of Pharmacology, Faculty of Medicine, King Abdulaziz University, Jeddah 21442, Saudi Arabia;
| | - Maged Behery
- Department of Anatomy and Embryology, Faculty of Medicine, Benha University, Benha 13518, Egypt;
| | - Doaa Abdelrahaman
- Department of Clinical Sciences, College of Medicine, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia; (D.A.); (S.F.I.)
| | - Samah F. Ibrahim
- Department of Clinical Sciences, College of Medicine, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia; (D.A.); (S.F.I.)
| | - Ahmed Abdeen
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt
- Center of Excellence for Screening of Environmental Contaminants (CESEC), Benha University, Toukh 13736, Egypt
- Correspondence: (D.E.); (A.A.)
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M Campos JC, Antunes LCM, Ferreira RBR. Global priority pathogens: virulence, antimicrobial resistance and prospective treatment options. Future Microbiol 2020; 15:649-677. [DOI: 10.2217/fmb-2019-0333] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, Enterobacter spp. and Salmonella spp. are part of a group of pathogens that pose a major threat to human health due to the emergence of multidrug-resistant strains. Moreover, these bacteria have several virulence factors that allow them to successfully colonize their hosts, such as toxins and the ability to produce biofilms, resulting in an urgent need to develop new strategies to fight these pathogens. In this review, we compile the most up-to-date information on the epidemiology, virulence and resistance of these clinically important microorganisms. Additionally, we address new therapeutic alternatives, with a focus on molecules with antivirulence activity, which are considered promising to combat multidrug-resistant bacteria.
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Affiliation(s)
- Juliana C de M Campos
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luis CM Antunes
- Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia de Inovação em Doenças de Populações Negligenciadas, Centro de Desenvolvimento Tecnológico em Saúde, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Rosana BR Ferreira
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Mercuro NJ, Davis SL, Zervos MJ, Herc ES. Combatting resistant enterococcal infections: a pharmacotherapy review. Expert Opin Pharmacother 2018; 19:979-992. [PMID: 29877755 DOI: 10.1080/14656566.2018.1479397] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
INTRODUCTION The role of enterococci in infectious diseases has evolved from a gut and urinary commensal to a major pathogen of concern. Few options exist for resistant enterococci, and appropriate use of the available agents is crucial. AREAS COVERED Herein, the authors discuss antibiotics with clinically useful activity against Enterococcus faecalis and E. faecium. The article specifically discusses: antibiotics active against enterococci and their mechanism of resistance, pharmacokinetic and pharmacodynamic principles, in vitro combinations, and clinical studies which focus on urinary tract, intra-abdominal, central nervous system, and bloodstream infections due to enterococci. EXPERT OPINION Aminopenicillins are preferred over all other agents when enterococci are susceptible and patients can tolerate them. Daptomycin and linezolid have demonstrated clinical efficacy against vancomycin-resistant enterococci (VRE). Synergistic combinations are often warranted in complex infections of high inoculum and biofilms while monotherapies are generally appropriate for uncomplicated infections. Although active against resistant enterococci, the pharmacokinetics, efficacy and safety of tigecycline and quinupristin/dalfopristin can problematical for severe infections. For cystitis, amoxicillin, nitrofurantoin, or fosfomycin are ideal. Recently, approved agents such as tedizolid and oritavancin have good in vitro activity against VRE but clinical studies against other resistant enterococci are lacking.
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Affiliation(s)
- Nicholas J Mercuro
- a Pharmacy Services, Eugene Applebaum College of Pharmacy and Health Sciences , Wayne State University , Detroit , MI , USA.,b Pharmacy Services , Henry Ford Hospital , Detroit , MI , USA
| | - Susan L Davis
- a Pharmacy Services, Eugene Applebaum College of Pharmacy and Health Sciences , Wayne State University , Detroit , MI , USA.,b Pharmacy Services , Henry Ford Hospital , Detroit , MI , USA
| | - Marcus J Zervos
- c Department of Internal Medicine, Division of Infectious Diseases , Henry Ford Hospital , Detroit , MI , USA.,d Wayne State University School of Medicine , Detroit , MI , USA
| | - Erica S Herc
- c Department of Internal Medicine, Division of Infectious Diseases , Henry Ford Hospital , Detroit , MI , USA
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Resistance mechanisms and clinical characteristics of linezolid-resistant Enterococcus faecium isolates: A single-centre study in South Korea. J Glob Antimicrob Resist 2017; 12:44-47. [PMID: 28941790 DOI: 10.1016/j.jgar.2017.09.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 08/15/2017] [Accepted: 09/13/2017] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVES This study aimed to determine the prevalence of linezolid-resistant (LR) vancomycin-resistant enterococci and to investigate the mechanisms of linezolid resistance with clinical and microbiological characterisation. METHODS All vancomycin-resistant Enterococcus faecium (VREF) isolated from blood and rectal swab cultures during 2012-2015 were tested for linezolid resistance. LR-VREF isolates were tested for antimicrobial susceptibility, glycopeptide resistance genes and virulence genes. Multilocus sequence typing (MLST) and pulsed-field gel electrophoresis (PFGE) were performed. Isolates were tested for known mechanisms of linezolid resistance. RESULTS Among 389 VREF isolates, 7 (1.8%) were found to be resistant to linezolid. All LR-VREF isolates carried the vanA gene. Five isolates had both hyl and esp genes. The isolates were susceptible to tigecycline, daptomycin and quinupristin/dalfopristin, except for one isolate with daptomycin resistance. Two LR-VREF isolates recovered from patients with previous linezolid exposure contained the G2576T mutation in 23S rRNA and exhibited high-level resistance to linezolid (MIC>64mg/L). The other five isolates recovered from linezolid-naïve patients revealed no known linezolid resistance mechanism and exhibited low-level resistance to linezolid (MICs=8-16mg/L). Plasmid-mediated genes encoding cfr or optrA were not detected. LR-VREF isolates were represented by six different sequence types, belonging to hospital lineages, and were assigned to seven PFGE types. CONCLUSIONS The prevalence of LR-VREF in this centre was low. Both linezolid exposure and horizontal transmission appear to be responsible for acquisition of LR-VREF in hospitalised patients. Prudent use of linezolid and improved infection control strategies are needed to limit the spread of LR-VREF.
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Yim J, Smith JR, Rybak MJ. Role of Combination Antimicrobial Therapy for Vancomycin-Resistant Enterococcus faecium Infections: Review of the Current Evidence. Pharmacotherapy 2017; 37:579-592. [PMID: 28273381 DOI: 10.1002/phar.1922] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Enterococcus species are the second most common cause of nosocomial infections in the United States and are particularly concerning in critically ill patients with preexisting comorbid conditions. Rising resistance to antimicrobials that were historically used as front-line agents for treatment of enterococcal infections, such as ampicillin, vancomycin, and aminoglycosides, further complicates the treatment of these infections. Of particular concern are Enterococcus faecium strains that are associated with the highest rate of vancomycin resistance. The introduction of antimicrobial agents with specific activity against vancomycin-resistant Enterococcus (VRE) faecium including daptomycin, linezolid, quinupristin-dalfopristin, and tigecycline did not completely resolve this clinical dilemma. In this review, the mechanisms of action and resistance to currently available anti-VRE antimicrobial agents including newer agents such as oritavancin and dalbavancin will be presented. In addition, novel combination therapies including β-lactams and fosfomycin, and the promising results from in vitro, animal studies, and clinical experience in the treatment of VRE faecium will be discussed.
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Affiliation(s)
- Juwon Yim
- Anti-Infective Research Laboratory, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, Michigan
| | - Jordan R Smith
- Fred Wilson School of Pharmacy, High Point University, High Point, North Carolina
| | - Michael J Rybak
- Anti-Infective Research Laboratory, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, Michigan.,School of Medicine, Wayne State University, Detroit, Michigan
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Niebel M, Perera MTPR, Shah T, Marudanayagam R, Martin K, Oppenheim BA, David MD. Emergence of linezolid resistance in hepatobiliary infections caused by Enterococcus faecium. Liver Transpl 2016; 22:201-8. [PMID: 26335577 DOI: 10.1002/lt.24328] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Revised: 08/21/2015] [Accepted: 08/31/2015] [Indexed: 01/13/2023]
Abstract
Enterococcal infections are common in liver transplantation and hepatopancreaticobiliary (HPB) surgery. Linezolid is frequently used to treat not only vancomycin-resistant Enterococcus (VRE), but also vancomycin-sensitive Enterococcus (VSE) infections, and resistance can develop. This study evaluated all the Liver Unit patients who developed infections with linezolid-resistant Enterococcus (LRE) in order to elicit the association with prior linezolid usage, to explore possible risk factors for infection, and to better understand the epidemiology of these isolates in this patient group. Between 2010 and 2015, infections with LRE developed in 10 patients (8 following liver transplantation and 2 following HPB surgery) after 22-108 days of treatment. Selected pulsed-field gel electrophoresis demonstrated that 2 out of 10 patients were cocolonized with different strains and indicated that cross-transmission may have occurred. In conclusion, in this group of patients with complex hepatobiliary infections, the optimal antibiotic strategies for the treatment of Enterococcus faecium infections are not clearly defined, and there is a significant risk of emergence of resistance to linezolid in E. faecium after exposure to this agent in patients, especially in the presence of a deep source of infection on a background of hepatic artery insufficiency. Caution is needed when using prolonged courses of linezolid in this setting, and further studies are necessary to determine the optimum treatment.
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Affiliation(s)
- Marc Niebel
- Clinical Microbiology Department, University Hospitals Birmingham National Health Service Foundation Trust, Birmingham, UK
| | - M Thamara P R Perera
- Liver Unit, University Hospitals Birmingham National Health Service Foundation Trust, Birmingham, UK
| | - Tahir Shah
- Liver Unit, University Hospitals Birmingham National Health Service Foundation Trust, Birmingham, UK
| | - Ravi Marudanayagam
- Liver Unit, University Hospitals Birmingham National Health Service Foundation Trust, Birmingham, UK
| | - Kate Martin
- Antimicrobial Resistance and Healthcare Associated Infections Reference Unit, Public Health England, London, UK
| | - Beryl A Oppenheim
- Clinical Microbiology Department, University Hospitals Birmingham National Health Service Foundation Trust, Birmingham, UK
| | - Miruna D David
- Clinical Microbiology Department, University Hospitals Birmingham National Health Service Foundation Trust, Birmingham, UK
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Combination antibiotic therapy for the treatment of infective endocarditis due to enterococci. Infection 2015; 44:273-81. [PMID: 26324294 DOI: 10.1007/s15010-015-0836-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 08/22/2015] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Enterococci are common causes of infective endocarditis (IE) in both health care and community-based setting. Enterococcal IE requires bactericidal therapy for an optimal outcome. For decades, cell-wall-active antimicrobial agents (penicillins or vancomycin) in combination with aminoglycosides were the cornerstone of the treatment; however, the emergence of antibiotic resistance has significantly reduced the efficacy of these regimens. MATERIALS AND METHODS Data for this review were identified by searches of MEDLINE and references from relevant articles on antibiotic combination regimens for the treatment of enterococcal IE. Abstracts presented in scientific conferences were not searched for. CONCLUSION New effective and safe combination treatments, including double-β-lactam and daptomycin/β-lactam combination, are proving useful for the management of IE due to enterococci.
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Efficacy of tigecycline-colistin combination in the treatment of carbapenem-resistant Klebsiella pneumoniae endocarditis. J Glob Antimicrob Resist 2015; 3:214-216. [PMID: 27873712 DOI: 10.1016/j.jgar.2015.06.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 06/04/2015] [Accepted: 06/04/2015] [Indexed: 11/20/2022] Open
Abstract
Here we discuss the efficacy of colistin-tigecycline combination in the treatment of multidrug-resistant (MDR) Klebsiella pneumoniae infective endocarditis (IE). We report a case of a 67-year-old head-injured patient who developed a carbapenem-resistant K. pneumoniae IE. The patient was treated with colistin-tigecycline combination, with a favourable outcome. In conclusion, colistin-tigecycline combination may be a possible combination in the therapy of IE caused by MDR Enterobacteriaceae.
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Pericás JM, Zboromyrska Y, Cervera C, Castañeda X, Almela M, Garcia-de-la-Maria C, Mestres C, Falces C, Quintana E, Ninot S, Llopis J, Marco F, Moreno A, Miró JM. Enterococcal endocarditis revisited. Future Microbiol 2015; 10:1215-40. [PMID: 26118390 DOI: 10.2217/fmb.15.46] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The Enterococcus species is the third main cause of infective endocarditis (IE) worldwide, and it is gaining relevance, especially among healthcare-associated cases. Patients with enterococcal IE are older and have more comorbidities than other types of IE. Classical treatment options are limited due to the emergence of high-level aminoglycosides resistance (HLAR), vancomycin resistance and multidrug resistance in some cases. Besides, few new antimicrobial alternatives have shown real efficacy, despite some of them being recommended by major guidelines (including linezolid and daptomycin). Ampicillin plus ceftriaxone 2 g iv./12 h is a good option for Enterococcus faecalis IE caused by HLAR strains, but randomized clinical trials are essential to demonstrate its efficacy for non-HLAR EFIE and to compare it with ampicillin plus short-course gentamicin. The main mechanisms of resistance and treatment options are also reviewed for other enterococcal species.
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Affiliation(s)
- J M Pericás
- Infectious Diseases Service, Hospital Clínic-IDIBAPS (Institut d'Investigacions Biomèdiques Pi i Sunyer), University of Barcelona, Barcelona, Spain
| | - Y Zboromyrska
- Clinical Microbiology Service, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - C Cervera
- Infectious Diseases Service, Hospital Clínic-IDIBAPS (Institut d'Investigacions Biomèdiques Pi i Sunyer), University of Barcelona, Barcelona, Spain
| | - X Castañeda
- Infectious Diseases Service, Hospital Clínic-IDIBAPS (Institut d'Investigacions Biomèdiques Pi i Sunyer), University of Barcelona, Barcelona, Spain
| | - M Almela
- Clinical Microbiology Service, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - C Garcia-de-la-Maria
- Infectious Diseases Service, Hospital Clínic-IDIBAPS (Institut d'Investigacions Biomèdiques Pi i Sunyer), University of Barcelona, Barcelona, Spain
| | - C Mestres
- Cardiovascular Surgery Service, Hospital Clínic-IDIBAPS, University of Barcelona, Barcelona, Spain
| | - C Falces
- Cardiology Service, Hospital Clínic-IDIBAPS, University of Barcelona, Barcelona, Spain
| | - E Quintana
- Cardiovascular Surgery Service, Hospital Clínic-IDIBAPS, University of Barcelona, Barcelona, Spain
| | - S Ninot
- Cardiovascular Surgery Service, Hospital Clínic-IDIBAPS, University of Barcelona, Barcelona, Spain
| | - J Llopis
- Department of Statistics, Faculty of Biology, University of Barcelona, Barcelona, Spain
| | - F Marco
- ISGlobal, Barcelona Ctr. Int. Health Res. (CRESIB), Microbiology Service, Hospital Clínic, Universitat de Barcelona, Barcelona, Spain
| | - A Moreno
- Infectious Diseases Service, Hospital Clínic-IDIBAPS (Institut d'Investigacions Biomèdiques Pi i Sunyer), University of Barcelona, Barcelona, Spain
| | - J M Miró
- Infectious Diseases Service, Hospital Clínic-IDIBAPS (Institut d'Investigacions Biomèdiques Pi i Sunyer), University of Barcelona, Barcelona, Spain
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