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Abniki R, Tashakor A, Masoudi M, Mansury D. Global Resistance of Imipenem/Relebactam against Gram-Negative Bacilli: Systematic Review and Meta-Analysis. CURRENT THERAPEUTIC RESEARCH 2023; 100:100723. [PMID: 38174096 PMCID: PMC10758719 DOI: 10.1016/j.curtheres.2023.100723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 10/18/2023] [Indexed: 01/05/2024]
Abstract
Background Relebactam, previously known as MK-7655, is currently being tested in combination with imipenem as a class A and class C β-lactamase inhibitor, including KPC from Klebsiella pneumoniae. Objective The objective of the current study was to evaluate the activity of imipenem/relebactam against gram-negative bacilli. Methods After applying exclusion and inclusion criteria, 72 articles with full texts that describe the prevalence of imipenem/relebactam resistance were chosen for the meta-analysis and systematic review. Articles published between January 2015 and February 2023 were surveyed. The systematic literature search was conducted in PubMed, Web of Science, Google Scholar, and Scopus. Results The pooled estimation of 282,621 sample isolates revealed that the prevalence rate of imipenem/relebactam resistance is roughly 14.6% (95% CI, 0.116%-0.182%). Conclusions The findings of this analysis show that imipenem/relebactam resistance is rare in the majority of developed countries. Given that relebactam has proven to restore the activity of imipenem against current clinical isolates, further research into imipenem/relebactam is necessary.
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Affiliation(s)
- Reza Abniki
- Student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Amirhossein Tashakor
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Melika Masoudi
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Davood Mansury
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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Durham MD, Armon C, Novak RM, Mahnken JD, Carlson K, Li J, Buchacz K. Longitudinal Changes in, and Factors Associated with, the Frequency of Condomless Sex Among People in Care for HIV Infection, HIV Outpatient Study USA, 2007-2019. AIDS Behav 2022; 26:3199-3209. [PMID: 35364730 PMCID: PMC10246446 DOI: 10.1007/s10461-022-03655-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/12/2022] [Indexed: 11/01/2022]
Abstract
During 2007-2019, the percentage of HIV Outpatient Study participants reporting anal or vaginal condomless sex in the past 6 months ranged from a low of 17% among heterosexual males to 59% for men who have sex with men (MSM). MSM reported having had condomless sex more frequently than heterosexual males and females and were the only group in which an increase in condomless sex was observed during the study period (from 39 to 59%). Although persons with undetectable HIV viral load have effectively no risk of transmitting HIV sexually (U = U), there is still the potential risk of transmission or acquisition of other sexually transmitted infections (STIs) when engaging in condomless sex. Continuing education about risks of HIV and STI transmission as well as ongoing screening for and treatment of STIs, retention in HIV treatment, and support for sexual health are critical components of care for people living with HIV.
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Affiliation(s)
- Marcus D Durham
- Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA.
- Centers for Disease Control and Prevention, 1600 Clifton Road, MS US8-4, Atlanta, GA, 30333, USA.
| | - Carl Armon
- Cerner Corporation, Kansas City, MO, USA
| | | | - Jonathan D Mahnken
- Department of Biostatistics, University of Kansas Medical Center, Kansas City, KS, USA
| | | | - Jun Li
- Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA
- Centers for Disease Control and Prevention, 1600 Clifton Road, MS US8-4, Atlanta, GA, 30333, USA
| | - Kate Buchacz
- Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA.
- Centers for Disease Control and Prevention, 1600 Clifton Road, MS US8-4, Atlanta, GA, 30333, USA.
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Epidemiology, Mechanisms of Resistance and Treatment Algorithm for Infections Due to Carbapenem-Resistant Gram-Negative Bacteria: An Expert Panel Opinion. Antibiotics (Basel) 2022; 11:antibiotics11091263. [PMID: 36140042 PMCID: PMC9495208 DOI: 10.3390/antibiotics11091263] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/05/2022] [Accepted: 09/13/2022] [Indexed: 11/17/2022] Open
Abstract
Antimicrobial resistance represents a serious threat for global health, causing an unacceptable burden in terms of morbidity, mortality and healthcare costs. In particular, in 2017, carbapenem-resistant organisms were listed by the WHO among the group of pathogens for which novel treatment strategies are urgently needed. Fortunately, several drugs and combinations have been introduced in recent years to treat multi-drug-resistant (MDR) bacteria. However, a correct use of these molecules is needed to preserve their efficacy. In the present paper, we will provide an overview on the epidemiology and mechanisms of resistance of the most common MDR Gram-negative bacteria, proposing a treatment algorithm for the management of infections due to carbapenem-resistant bacteria based on the most recent clinical evidence.
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Sun Y, Fan J, Chen G, Chen X, Du X, Wang Y, Wang H, Sun F, Johnson MG, Bensaci M, Huntington JA, Bruno CJ. A Phase 3, Multicenter, Double-blind, Randomized Clinical Trial to Evaluate the Efficacy and Safety of Ceftolozane/Tazobactam Plus Metronidazole Versus Meropenem in Chinese Participants With Complicated Intra-abdominal Infections. Int J Infect Dis 2022; 123:157-165. [PMID: 35987467 DOI: 10.1016/j.ijid.2022.08.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/29/2022] [Accepted: 08/05/2022] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE To evaluate the efficacy and safety of ceftolozane/tazobactam plus metronidazole vs meropenem plus placebo for the treatment of complicated intra-abdominal infection (cIAI) in Chinese adult participants. METHODS In this phase 3 clinical trial (NCT03830333), Chinese adult participants with cIAI were randomized 1:1 to receive ceftolozane/tazobactam plus metronidazole or meropenem plus placebo. The primary objective was to assess ceftolozane/tazobactam plus metronidazole for noninferiority vs meropenem for clinical response rate at the test of cure (TOC; 28 ± 2 days after study start) visit in the clinically evaluable (CE) population. Secondary end points included clinical and microbiologic responses at the TOC and end of treatment (EOT; ≤24 hours after last dose) visits and adverse event rates. RESULTS Clinical cure at the TOC visit in the CE population was 95.2% and 93.1% for ceftolozane/tazobactam plus metronidazole and meropenem, respectively (between-treatment difference: 2.1% [95% CI: -4.7%, 8.8%); thus, noninferiority was met. Clinical responses at the TOC and EOT visits and microbiologic responses at the TOC visit were consistent with the primary efficacy end point. Safety was comparable between study treatment groups. CONCLUSION In Chinese adult participants with cIAI, ceftolozane/tazobactam plus metronidazole was noninferior to meropenem, with comparable safety.
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Affiliation(s)
- Yihong Sun
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jia Fan
- Department of Liver Surgery and Transplantation, Zhongshan Hospital, Fudan University, Shanghai, China.
| | - Gang Chen
- Department of Hepatobiliary Surgery, The First Hospital of Kunming, Kunming, China
| | - Xiaofei Chen
- MSD China, Building A, Headquarters Park Phase II, No. 1582 Gumei Rd, Xuhui District, Shanghai 200233 China
| | - Xiaoling Du
- MSD China, Building A, Headquarters Park Phase II, No. 1582 Gumei Rd, Xuhui District, Shanghai 200233 China
| | - Ye Wang
- MSD China, Building A, Headquarters Park Phase II, No. 1582 Gumei Rd, Xuhui District, Shanghai 200233 China
| | - Hui Wang
- MSD China, Building A, Headquarters Park Phase II, No. 1582 Gumei Rd, Xuhui District, Shanghai 200233 China
| | - Fang Sun
- MSD China, Building A, Headquarters Park Phase II, No. 1582 Gumei Rd, Xuhui District, Shanghai 200233 China
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Abstract
Imipenem (IMI)/cilastatin/relebactam (REL) (I/R) is a novel β-lactam/β-lactamase inhibitor combination with expanded microbiologic activity against carbapenem-resistant non-Morganellaceae Enterobacterales (CR-NME) and difficult-to-treat (DTR) Pseudomonas aeruginosa. Relebactam, a bicyclic diazabicyclooctane, has no direct antimicrobial activity but provides reliable inhibition of many Ambler class A and class C enzymes. It is currently approved for the treatment of adult patients with hospital-acquired bacterial pneumonia and ventilator-associated bacterial pneumonia (HABP/VABP) and those with complicated urinary tract infections (cUTIs) and complicated intra-abdominal infections (cIAIs) when limited or no alternative treatments are available. Given the number of recently approved β-lactams with expanded activity against highly resistant Gram-negative pathogens, this review summarizes the published literature on I/R, with a focus on its similar and distinguishing characteristics relative to those of other recently approved agents. Overall, available data support its use for the treatment of patients with HABP/VABP, cUTI, and cIAI due to CR-NME and DTR P. aeruginosa. Data indicate that I/R retains some activity against CR-NME and DTR P. aeruginosa isolates that are resistant to the newer β-lactams and vice versa, suggesting that susceptibility testing be performed for all the newer agents to determine optimal treatment options for patients with CR-NME and DTR P. aeruginosa infections. Further comparative PK/PD and clinical studies are warranted to determine the optimal role of I/R, alone and in combination, for the treatment of patients with highly resistant Gram-negative infections. Until further data are available, I/R is a potential treatment for patients with CR-NME and DTR P. aeruginosa infections when the benefits outweigh the risks.
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Non-susceptibilities to antibiotics against important Gram-negative bacteria, and imipenem-relebactam, meropenem-vaborbactam against carbapenem non-susceptible Enterobacterales and Pseudomonas aeruginosa isolates implicated in complicated intra-abdominal and urinary tract infections in Taiwan, 2019. Int J Antimicrob Agents 2022; 59:106521. [DOI: 10.1016/j.ijantimicag.2022.106521] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/23/2021] [Accepted: 01/08/2022] [Indexed: 11/20/2022]
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Epidemiology and in vitro activity of ceftazidime-avibactam, meropenem-vaborbactam, imipenem-relebactam, eravacycline, plazomicin, and comparators against Greek carbapenemase-producing Klebsiella pneumoniae isolates. Infection 2021; 50:467-474. [PMID: 34854060 DOI: 10.1007/s15010-021-01735-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 11/20/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND The increase in carbapenem-resistant Klebsiella pneumoniae (CRKP) infections is of great concern because of limited treatment options. New antimicrobials were recently approved for clinical therapy. This study evaluated the epidemiology of carbapenemase-producing K. pneumoniae isolates collected at a Greek university hospital during 2017-2020, and their susceptibilities to ceftazidime-avibactam (CAZ/AVI), meropenem-vaborbactam (M/V), imipenem-relebactam (I/R), eravacycline, plazomicin, and comparators. METHODS Minimum inhibitory concentrations (MICs) were evaluated by Etest. Only colistin MICs were determined by the broth microdilution method. Carbapenemase genes were detected by PCR. Selected isolates were typed by multilocus sequence typing (MLST). RESULTS A total of 266 carbapenemase-producing K. pneumoniae strains were isolated during the 4-year study period. Among them, KPC was the most prevalent (75.6%), followed by NDM (11.7%), VIM (5.6%), and OXA-48 (4.1%). KPC-producing isolates belonged mainly to ST258 and NDM producers belonged to ST11, whereas OXA-48- and VIM producers were polyclonal. Susceptibility to tigecycline, fosfomycin, and colistin was 80.5%, 83.8%, and 65.8%, respectively. Of the novel agents tested, plazomicin was the most active inhibiting 94% of the isolates at ≤ 1.5 μg/ml. CAZ/AVI and M/V inhibited all KPC producers and I/R 98.5% of them. All OXA-48 producers were susceptible to CAZ/AVI and plazomicin. The novel β-lactam/β-lactamase inhibitors (BLBLIs) tested were inactive against MBL-positive isolates, while eravacycline inhibited 61.3% and 66.7% of the NDM and VIM producers, respectively. CONCLUSIONS KPC remains the predominant carbapenemase among K. pneumoniae, followed by NDM. Novel BLBLIs, eravacycline, and plazomicin are promising agents for combating infections by carbapenemase-producing K. pneumoniae. However, the emergence of resistance to these agents highlights the need for continuous surveillance and application of enhanced antimicrobial stewardship.
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Klebsiella oxytoca Complex: Update on Taxonomy, Antimicrobial Resistance, and Virulence. Clin Microbiol Rev 2021; 35:e0000621. [PMID: 34851134 DOI: 10.1128/cmr.00006-21] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Klebsiella oxytoca is actually a complex of nine species-Klebsiella grimontii, Klebsiella huaxiensis, Klebsiella michiganensis, K. oxytoca, Klebsiella pasteurii, Klebsiella spallanzanii, and three unnamed novel species. Phenotypic tests can assign isolates to the complex, but precise species identification requires genome-based analysis. The K. oxytoca complex is a human commensal but also an opportunistic pathogen causing various infections, such as antibiotic-associated hemorrhagic colitis (AAHC), urinary tract infection, and bacteremia, and has caused outbreaks. Production of the cytotoxins tilivalline and tilimycin lead to AAHC, while many virulence factors seen in Klebsiella pneumoniae, such as capsular polysaccharides and fimbriae, have been found in the complex; however, their association with pathogenicity remains unclear. Among the 5,724 K. oxytoca clinical isolates in the SENTRY surveillance system, the rates of nonsusceptibility to carbapenems, ceftriaxone, ciprofloxacin, colistin, and tigecycline were 1.8%, 12.5%, 7.1%, 0.8%, and 0.1%, respectively. Resistance to carbapenems is increasing alarmingly. In addition to the intrinsic blaOXY, many genes encoding β-lactamases with varying spectra of hydrolysis, including extended-spectrum β-lactamases, such as a few CTX-M variants and several TEM and SHV variants, have been found. blaKPC-2 is the most common carbapenemase gene found in the complex and is mainly seen on IncN or IncF plasmids. Due to the ability to acquire antimicrobial resistance and the carriage of multiple virulence genes, the K. oxytoca complex has the potential to become a major threat to human health.
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Nomah DK, Reyes-Urueña J, Llibre JM, Ambrosioni J, Ganem FS, Miró JM, Casabona J. HIV and SARS-CoV-2 Co-infection: Epidemiological, Clinical Features, and Future Implications for Clinical Care and Public Health for People Living with HIV (PLWH) and HIV Most-at-Risk Groups. Curr HIV/AIDS Rep 2021; 18:518-526. [PMID: 34890019 PMCID: PMC8661831 DOI: 10.1007/s11904-021-00579-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/10/2021] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW The purpose of this review is using the currently available clinical and epidemiological data, to identify key aspects to improve both the clinical management and public health response with regard SARS-CoV-2/HIV co-infection among HIV vulnerable populations and people living with HIV (PLWH). RECENT FINDINGS While at the beginning of the COVID-19 pandemic, the lack of robust information on SARS-CoV-2/HIV coinfection prevented to have a clear picture of the synergies between them, currently available data strongly supports the importance of common structural factors on both the acquisition and clinical impact of these infections and the relevance of age, co-morbidities, and HIV viral load as associated worse prognosis factors among PLWH. Although more information is needed to better understand the biological, clinical, and epidemiological relationship between both infections, in the meanwhile, syndemic approaches to prevent SARS-CoV-2 among HIV higher risk groups and PLWH, targeting these population for SARS-CoV-2 vaccines and protocolizing early identification of HIV + patients with worse COVID-19 prognosis factors, are crucial strategies to decrease the overall impact of SARS-CoV-2 /HIV coinfection.
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Affiliation(s)
- Daniel K Nomah
- Centre Estudis Epidemiològics Sobre Les Infeccions de Transmissió Sexual I Sida de Catalunya (CEEISCAT), Departament de Salut, Generalitat de Catalunya, Campus de Can Ruti, Josep Carreras Building, Ctra de Can Ruti, Camí de les Escoles, s/n, 08916, Badalona, Catalonia, Spain
- Departament de Pediatria, d'Obstetrícia I Ginecologia I de Medicina Preventiva I de Salut Publica, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Institut d'Investigació Germans Trias I Pujol (IGTP), Badalona, Spain
| | - Juliana Reyes-Urueña
- Centre Estudis Epidemiològics Sobre Les Infeccions de Transmissió Sexual I Sida de Catalunya (CEEISCAT), Departament de Salut, Generalitat de Catalunya, Campus de Can Ruti, Josep Carreras Building, Ctra de Can Ruti, Camí de les Escoles, s/n, 08916, Badalona, Catalonia, Spain
- Institut d'Investigació Germans Trias I Pujol (IGTP), Badalona, Spain
- CIBER Epidemiologia Y Salud Pública (CIBERESP), Barcelona, Spain
| | - Josep Ma Llibre
- Hospital Universitari Germans Trias I Pujol, Badalona, Spain
| | - Juan Ambrosioni
- Hospital Clínic-Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Fabiana S Ganem
- Centre Estudis Epidemiològics Sobre Les Infeccions de Transmissió Sexual I Sida de Catalunya (CEEISCAT), Departament de Salut, Generalitat de Catalunya, Campus de Can Ruti, Josep Carreras Building, Ctra de Can Ruti, Camí de les Escoles, s/n, 08916, Badalona, Catalonia, Spain
- Departament de Pediatria, d'Obstetrícia I Ginecologia I de Medicina Preventiva I de Salut Publica, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Institut d'Investigació Germans Trias I Pujol (IGTP), Badalona, Spain
| | - José Ma Miró
- Hospital Clínic-Institut d'Investigacions Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Jordi Casabona
- Centre Estudis Epidemiològics Sobre Les Infeccions de Transmissió Sexual I Sida de Catalunya (CEEISCAT), Departament de Salut, Generalitat de Catalunya, Campus de Can Ruti, Josep Carreras Building, Ctra de Can Ruti, Camí de les Escoles, s/n, 08916, Badalona, Catalonia, Spain.
- Departament de Pediatria, d'Obstetrícia I Ginecologia I de Medicina Preventiva I de Salut Publica, Universitat Autònoma de Barcelona, Bellaterra, Spain.
- Institut d'Investigació Germans Trias I Pujol (IGTP), Badalona, Spain.
- CIBER Epidemiologia Y Salud Pública (CIBERESP), Barcelona, Spain.
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Jones JT, Smith DK, Wiener J, August EM, Finlayson T, Wejnert C. Assessment of PrEP Awareness, PrEP Discussion with a Provider, and PrEP Use by Transmission Risk Group with an Emphasis on the Southern United States. AIDS Behav 2021; 25:2985-2991. [PMID: 33523345 DOI: 10.1007/s10461-021-03164-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/16/2021] [Indexed: 01/30/2023]
Abstract
The number of new HIV diagnoses is highest in the South. Many persons who might benefit from pre-exposure prophylaxis (PrEP) are not engaged in the HIV PrEP continuum of care. We analyzed National HIV Behavioral Surveillance data to assess engagement in the PrEP continuum of care among persons with increased HIV risk. We compared PrEP awareness, discussion with a clinical provider, and use among persons living in the South to those living elsewhere in the United States. PrEP awareness was lowest among heterosexual persons (7%), highest among men who have sex with men (85%), and 26% among persons who inject drugs. PrEP use was low among each population (≤ 35% for all cycles). There was limited evidence of differences in PrEP use between persons in southern and non-southern U.S. Efforts are needed to increase use of PrEP among each of the groups with increased HIV risk.
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Affiliation(s)
- Jamal T Jones
- Division of HIV/AIDS Prevention, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, 1600 Clifton Rd, Atlanta, GA, 30333, USA.
| | - Dawn K Smith
- Division of HIV/AIDS Prevention, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, 1600 Clifton Rd, Atlanta, GA, 30333, USA
| | - Jeffrey Wiener
- Division of HIV/AIDS Prevention, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, 1600 Clifton Rd, Atlanta, GA, 30333, USA
| | - Euna M August
- Division of HIV/AIDS Prevention, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, 1600 Clifton Rd, Atlanta, GA, 30333, USA
| | - Teresa Finlayson
- Division of HIV/AIDS Prevention, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, 1600 Clifton Rd, Atlanta, GA, 30333, USA
| | - Cyprian Wejnert
- Division of HIV/AIDS Prevention, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, 1600 Clifton Rd, Atlanta, GA, 30333, USA
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Prevalence and Mortality due to COVID-19 in HIV Co-Infected Population: A Systematic Review and Meta-Analysis. Infect Dis Ther 2021; 10:1267-1285. [PMID: 33939121 PMCID: PMC8091145 DOI: 10.1007/s40121-021-00447-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 04/09/2021] [Indexed: 01/19/2023] Open
Abstract
INTRODUCTION The coronavirus disease 2019 (COVID-19) was defined as a species of beta coronavirus causing atypical respiratory disease in humans. The COVID-19 pandemic has resulted in an unprecedented health and economic crisis worldwide. Little is known about the specifics of its influence on people living with human immunodeficiency virus (HIV)/acquired immunodeficiency syndrome (AIDS) (PLWHA). In this study, we aim to investigate the prevalence and mortality in PLWHA co-infected with COVID-19. METHODS The databases PUBMED, EMBASE, BioRxiv, and medRxiv were searched up to 9 March 2021 to explore the prevalence and mortality rate of COVID-19 in PLWHA. Cohort studies and case series meeting the inclusion criteria were included in this review. RESULTS We identified 14 eligible studies, 9 of which were cohort and 5 were case series. A total of 203,761 patients with COVID-19 were identified (7718 PLWHA vs. 196,043 non-PLWHA). Meta-analyses estimated the prevalence and mortality rate of COVID-19 in PLWHA was 0.774% [95% confidence interval (CI) 0.00393-0.01517] and 8.814% (95% CI 0.05766-0.13245) respectively. COVID-19 co-infected PLWHA do not seem to be associated with higher mortality, as compared to non-PLWHA [relative risk (RR) 0.96 (95% CI 0.88-1.06)]. The presence of comorbidities such as diabetes mellitus, RR 5.2 (95% CI 4.25-6.36), hypertension and chronic cardiac disease, RR 4.2 (95% CI 1.09-16.10), and chronic kidney disease, RR 8.43 (95% CI 5.49-12.93) were associated with an increased mortality in COVID-19 co-infected PLWHA. CONCLUSION The estimated prevalence and mortality rate of COVID-19 in PLWHA were 0.774% and 8.814%, respectively. Since most of the included studies used unmatched populations, comparisons between PLWHA and non-PLWHA should be interpreted with caution. Further investigations are needed for a more comprehensive understanding of the relationship between cluster of differentiation 4 cell count, HIV viral load, antiretroviral therapy, and COVID-19 related prognosis in PLWHA.
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Vrancianu CO, Dobre EG, Gheorghe I, Barbu I, Cristian RE, Chifiriuc MC. Present and Future Perspectives on Therapeutic Options for Carbapenemase-Producing Enterobacterales Infections. Microorganisms 2021; 9:730. [PMID: 33807464 PMCID: PMC8065494 DOI: 10.3390/microorganisms9040730] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/26/2021] [Accepted: 03/30/2021] [Indexed: 12/26/2022] Open
Abstract
Carbapenem-resistant Enterobacterales (CRE) are included in the list of the most threatening antibiotic resistance microorganisms, being responsible for often insurmountable therapeutic issues, especially in hospitalized patients and immunocompromised individuals and patients in intensive care units. The enzymatic resistance to carbapenems is encoded by different β-lactamases belonging to A, B or D Ambler class. Besides compromising the activity of last-resort antibiotics, CRE have spread from the clinical to the environmental sectors, in all geographic regions. The purpose of this review is to present present and future perspectives on CRE-associated infections treatment.
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Affiliation(s)
- Corneliu Ovidiu Vrancianu
- Microbiology Immunology Department, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania; (C.O.V.); (E.G.D.); (I.B.); (M.C.C.)
- The Research Institute of the University of Bucharest, 050095 Bucharest, Romania
| | - Elena Georgiana Dobre
- Microbiology Immunology Department, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania; (C.O.V.); (E.G.D.); (I.B.); (M.C.C.)
| | - Irina Gheorghe
- Microbiology Immunology Department, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania; (C.O.V.); (E.G.D.); (I.B.); (M.C.C.)
- The Research Institute of the University of Bucharest, 050095 Bucharest, Romania
| | - Ilda Barbu
- Microbiology Immunology Department, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania; (C.O.V.); (E.G.D.); (I.B.); (M.C.C.)
- The Research Institute of the University of Bucharest, 050095 Bucharest, Romania
| | - Roxana Elena Cristian
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania;
| | - Mariana Carmen Chifiriuc
- Microbiology Immunology Department, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania; (C.O.V.); (E.G.D.); (I.B.); (M.C.C.)
- The Research Institute of the University of Bucharest, 050095 Bucharest, Romania
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Abstract
Imipenem/cilastatin/relebactam (Recarbrio™) is an intravenously administered combination of the carbapenem imipenem, the renal dehydropeptidase-I inhibitor cilastatin, and the novel β-lactamase inhibitor relebactam. Relebactam is a potent inhibitor of class A and class C β-lactamases, conferring imipenem activity against many imipenem-nonsusceptible strains. Imipenem/cilastatin/relebactam is approved in the USA and EU for the treatment of hospital-acquired bacterial pneumonia (HABP) and ventilator-associated bacterial pneumonia (VABP) in adults and other gram-negative infections, including complicated urinary tract infections (cUTIs) [including pyelonephritis] and complicated intra-abdominal infections (cIAIs), in adults with limited or no alternative treatment options. In pivotal phase II and III trials, imipenem/cilastatin/relebactam was noninferior to piperacillin/tazobactam in patients with HABP/VABP and to imipenem/cilastatin in patients with cUTIs and cIAIs. It was also effective in imipenem-nonsusceptible infections. Imipenem/cilastatin/relebactam was generally well tolerated, with a safety profile consistent with that of imipenem/cilastatin. Available evidence indicates that imipenem/cilastatin/relebactam is an effective and generally well tolerated option for gram-negative infections in adults, including critically ill and/or high-risk patients, and a potential therapy for infections caused by carbapenem-resistant pathogens.
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Affiliation(s)
- Young-A Heo
- Springer Nature, Private Bag 65901, Mairangi Bay, Auckland, 0754, New Zealand.
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