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Gutiérrez-Santana JC, Coria-Jiménez VR. Diagnosis and Therapeutic Strategies Based on Nucleic Acid Aptamers Selected against Pseudomonas aeruginosa: The Challenge of Cystic Fibrosis. ChemMedChem 2024; 19:e202300544. [PMID: 38016927 DOI: 10.1002/cmdc.202300544] [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: 10/09/2023] [Revised: 11/24/2023] [Accepted: 11/28/2023] [Indexed: 11/30/2023]
Abstract
Antimicrobial resistance (AMR) is a rapidly spreading global health problem, and approximately five million deaths associated with AMR pathogens were identified prior to the COVID-19 pandemic. Pseudomonas aeruginosa has developed increasing AMR, and in patients with cystic fibrosis (CF) colonized by this bacterium, rare phenotypes have emerged that complicate the diagnosis and treatment of the hosts, in addition to multiple associated "epidemic strains" with high morbidities and mortalities. The conjugation of aptamers with fluorochromes or nanostructures has allowed the design of new identification strategies for Pseudomonas aeruginosa with detection limits of up to 1 cell ⋅ mL-1 , and the synergy of aptamers with antibiotics, antimicrobial peptides and nanostructures has exhibited promising therapeutic qualities. Some selected aptamers against this bacterium have shown intrinsic antimicrobial activity. However, these aptamers have been poorly evaluated in clinical isolates and have shown decreased interactions for CF isolates, demonstrating, in these cases, uncommon phenotypes resulting from the selective qualities of this disease as well as the great adaptive capacity of the pathogen. Therefore, finding an aptamer or set of aptamers that have the ability to recognize strange phenotypes of this bacillus is crucial in the battle against AMR.
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Affiliation(s)
- Juan Carlos Gutiérrez-Santana
- Laboratorio de Bacteriología Experimental, Instituto Nacional de Pediatría, Insurgentes sur 3700-C, Col. Insurgentes Cuicuilco Coyoacán, 04530, Ciudad de México, México
| | - Victor Rafael Coria-Jiménez
- Laboratorio de Bacteriología Experimental, Instituto Nacional de Pediatría, Insurgentes sur 3700-C, Col. Insurgentes Cuicuilco Coyoacán, 04530, Ciudad de México, México
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Jean SS, Liu IM, Hsieh PC, Kuo DH, Liu YL, Hsueh PR. Off-label use versus formal recommendations of conventional and novel antibiotics for the treatment of infections caused by multidrug-resistant bacteria. Int J Antimicrob Agents 2023; 61:106763. [PMID: 36804370 DOI: 10.1016/j.ijantimicag.2023.106763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 02/07/2023] [Accepted: 02/12/2023] [Indexed: 02/19/2023]
Abstract
The infections caused by multidrug- and extensively drug-resistant (MDR, XDR) bacteria, including Gram-positive cocci (GPC, including methicillin-resistant Staphylococcus aureus, MDR-Streptococcus pneumoniae and vancomycin-resistant enterococci) and Gram-negative bacilli (GNB, including carbapenem-resistant [CR] Enterobacterales, CR-Pseudomonas aeruginosa and XDR/CR-Acinetobacter baumannii complex) can be quite challenging for physicians with respect to treatment decisions. Apart from complicated urinary tract and intra-abdominal infections (cUTIs, cIAIs), bloodstream infections and pneumonia, these difficult-to-treat bacteria also cause infections at miscellaneous sites (bones, joints, native/prosthetic valves and skin structures, etc.). Antibiotics like dalbavancin, oritavancin, telavancin and daptomycin are currently approved for the treatment of acute bacterial skin and skin structural infections (ABSSSIs) caused by GPC. Additionally, ceftaroline, linezolid and tigecycline have been formally approved for the treatment of community-acquired pneumonia and ABSSSI. Cefiderocol and meropenem-vaborbactam are currently approved for the treatment of cUTIs caused by XDR-GNB. The spectra of ceftazidime-avibactam and imipenem/cilastatin-relebactam are broader than that of ceftolozane-tazobactam, but these three antibiotics are currently approved for the treatment of hospital-acquired pneumonia, cIAIs and cUTIs caused by MDR-GNB. Clinical investigations of other novel antibiotics (including cefepime-zidebactam, aztreonam-avibactam and sulbactam-durlobactam) for the treatment of various infections are ongoing. Nevertheless, evidence for adequate antibiotic regimens against osteomyelitis, arthritis and infective endocarditis due to several GPC and MDR-GNB is still mostly lacking. A comprehensive review of PubMed publications was undertaken and the formal indications and off-label use of important conventional and novel antibiotics against MDR/XDR-GPC and GNB isolates cultured from miscellaneous sites are presented in this paper.
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Affiliation(s)
- Shio-Shin Jean
- Departments of Internal Medicine and Critical Care Medicine, Min-Sheng General Hospital, Taoyuan, Taiwan; Department of Pharmacy, College of Pharmacy and Health care, Tajen University, Pingtung, Taiwan
| | - I-Min Liu
- Department of Pharmacy, College of Pharmacy and Health care, Tajen University, Pingtung, Taiwan
| | - Po-Chuen Hsieh
- Department of Pharmacy, College of Pharmacy and Health care, Tajen University, Pingtung, Taiwan
| | - Dai-Huang Kuo
- Department of Pharmacy, College of Pharmacy and Health care, Tajen University, Pingtung, Taiwan
| | - Yi-Lien Liu
- Department of Family Medicine, Min-Sheng General Hospital, Taoyuan, Taiwan; Department of Public Health, Taoyuan City Government, Taoyuan, Taiwan
| | - Po-Ren Hsueh
- Departments of Laboratory Medicine and Internal Medicine, China Medical University Hospital, School of Medicine, China Medical University, Taichung, Taiwan; School of Medicine, China Medical University, Taichung, Taiwan; PhD Program for Aging, School of Medicine, China Medical University, Taichung, Taiwan; Departments of Laboratory Medicine and Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
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Zhang W, Yan CY, Li SR, Fan TT, Cao SS, Cui B, Li MY, Fan BY, Ji B, Wang L, Cui F, Cui J, Wang L, Guan Y, Wang JW. Efficacy and safety of piperacillin-tazobactam compared with meropenem in treating complicated urinary tract infections including acute pyelonephritis due to extended-spectrum β-lactamase-producing Enterobacteriaceae. Front Cell Infect Microbiol 2023; 13:1093842. [PMID: 37207190 PMCID: PMC10188998 DOI: 10.3389/fcimb.2023.1093842] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 03/14/2023] [Indexed: 05/21/2023] Open
Abstract
Introduction Extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae pose a huge threat to human health, especially in the context of complicated urinary tract infections (cUTIs). Carbapenems and piperacillin-tazobactam (PTZ) are two antimicrobial agents commonly used to treat cUTIs. Methods A monocentric retrospective cohort study focused on the treatment of cUTIs in adults was conducted from January 2019 to November 2021. Patients with a positive urine culture strain yielding ≥ 103 colony-forming units per milliliter (CFU/mL), and sensitive to PTZ and carbapenems, were included. The primary endpoint was clinical success after antibiotic therapy. The secondary endpoint included rehospitalization and 90-day recurrence of cUTIs caused by ESBL-producing Enterobacteriaceae. Results Of the 195 patients included in this study, 110 were treated with PTZ while 85 were administered meropenem. The rate of clinical cure was similar between the PTZ and meropenem groups (80% vs. 78.8%, p = 0.84). However, the PTZ group had a lower duration of total antibiotic use (6 vs. 9; p < 0.01), lower duration of effective antibiotic therapy (6 vs. 8; p < 0.01), and lower duration of hospitalization (16 vs. 22; p < 0.01). Discussion In terms of adverse events, the safety of PTZ was higher than that of meropenem in the treatment of cUTIs.
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Affiliation(s)
- Wei Zhang
- Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
| | - Chun-Yu Yan
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Shu-Rui Li
- Department of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Ting-Ting Fan
- Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
| | - Shan-Shan Cao
- Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
| | - Bin Cui
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Meng-Ying Li
- Department of Endocrinology, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
| | - Bo-Yuan Fan
- Department of Cardiology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Bo Ji
- Department of Pharmacy, Yan’an University Affiliated Hospital, Yan’an, China
| | - Li Wang
- Department of Pharmacy, Yan’an University Affiliated Hospital, Yan’an, China
| | - Fei Cui
- Department of Pharmacy, Luoyang First People’s Hospital, Luoyang, China
| | - Jia Cui
- Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
| | - Lei Wang
- Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
| | - Yue Guan
- Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
- *Correspondence: Yue Guan, ; Jing-Wen Wang,
| | - Jing-Wen Wang
- Department of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
- *Correspondence: Yue Guan, ; Jing-Wen Wang,
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Effectiveness of a Double-Carbapenem combinations against carbapenem-resistant Gram-negative bacteria. Saudi Pharm J 2022; 30:849-855. [PMID: 35812137 PMCID: PMC9257860 DOI: 10.1016/j.jsps.2022.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 03/10/2022] [Indexed: 11/21/2022] Open
Abstract
The emergence of carbapenem-resistant organisms posed considerable threat to global health while only limited treatment options are available and led to efforts to discover a novel way to treat them. To evaluate in vitro synergistic activity of meropenem plus ertapenem, a total of 203 carbapenem-resistant strains, collected from 12 provinces and municipalities in China, were examined with a dual carbapenem combination therapy. The statistical software R was used for analysis. Two hundred and one (201) of carbapenem-resistant strains mainly produced four types of carbapenemase: KPC-2 (n = 142, 69.95%), OXA-232 (n = 7, 3.45%), NDM (n = 38, 18.72%; 36 NDM-1, 1 NDM-4, 1 NDM-5), and IMP (n = 15, 7.39%; 1 IMP-26, 10 IMP-30, 4 IMP-4). Fifty-one out of two hundred and three (51/203 or 25.12%) of the examined strains showed a synergistic effect for the meropenem plus ertapenem combination throughout the checkerboard method, while only three isolates showed potential clinically relevant synergy (3/203, 1.48%). An additive effect was observed in 55/203 (27.09%) of the examined strains. Ninety-seven of the examined isolates (47.78%) showed fractional inhibitory concentration (FIC) greater or equal to 2 (indicating antagonism). The synergistic activity of meropenem plus ertapenem combination suggests this combination can be a possible way to treat the infection caused by the carbapenem-resistant organisms, especially for IMP or NDM producer with a lesser minimum inhibitory concentration (MIC) and the infected individual who was not recommended to use colistin or tigecycline.
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Parmanik A, Das S, Kar B, Bose A, Dwivedi GR, Pandey MM. Current Treatment Strategies Against Multidrug-Resistant Bacteria: A Review. Curr Microbiol 2022; 79:388. [PMID: 36329256 PMCID: PMC9633024 DOI: 10.1007/s00284-022-03061-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 09/26/2022] [Indexed: 11/06/2022]
Abstract
There are several bacteria called superbugs that are resistant to multiple antibiotics which can be life threatening specially for critically ill and hospitalized patients. This article provides up-to-date treatment strategies employed against some major superbugs, like methicillin-resistant Staphylococcus aureus, carbapenem-resistant Enterobacteriaceae, vancomycin-resistant Enterococcus, multidrug-resistant Pseudomonas aeruginosa, and multidrug-resistant Escherichia coli. The pathogen-directed therapeutics decrease the toxicity of bacteria by altering their virulence factors by specific processes. On the other hand, the host-directed therapeutics limits these superbugs by modulating immune cells, enhancing host cell functions, and modifying disease pathology. Several new antibiotics against the global priority superbugs are coming to the market or are in the clinical development phase. Medicinal plants possessing potent secondary metabolites can play a key role in the treatment against these superbugs. Nanotechnology has also emerged as a promising option for combatting them. There is urgent need to continuously figure out the best possible treatment strategy against these superbugs as resistance can also be developed against the new and upcoming antibiotics in future. Rational use of antibiotics and maintenance of proper hygiene must be practiced among patients.
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Affiliation(s)
- Ankita Parmanik
- grid.412612.20000 0004 1760 9349School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, Odisha 751003 India
| | - Soumyajit Das
- grid.412612.20000 0004 1760 9349School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, Odisha 751003 India
| | - Biswakanth Kar
- grid.412612.20000 0004 1760 9349School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, Odisha 751003 India
| | - Anindya Bose
- grid.412612.20000 0004 1760 9349School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, Odisha 751003 India
| | - Gaurav Raj Dwivedi
- grid.464904.b0000 0004 0506 3705ICMR-Regional Medical Research Centre, Gorakhpur, Uttar Pradesh 273013 India
| | - Murali Monohar Pandey
- grid.418391.60000 0001 1015 3164Birla Institute of Technology and Science (BITS), Pilani, Rajasthan 333031 India
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