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Park S, Kim AR, Lee J, Kang SW, Sung H, Kim MN, Chang E, Bae S, Jung J, Kim MJ, Kim SH, Lee SO, Choi SH, Kim YS, Song EH, Chong YP. Clinical safety of remdesivir therapy in COVID-19 patients with renal insufficiency. J Infect Chemother 2024; 30:366-370. [PMID: 37935348 DOI: 10.1016/j.jiac.2023.10.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/17/2023] [Accepted: 10/30/2023] [Indexed: 11/09/2023]
Abstract
Though remdesivir benefits COVID-19 patients, its use in those with renal dysfunction is currently limited due to concerns about possible toxic effects of accumulated sulfobutylether-β-cyclodextrin (SBECD) on liver and kidney. We examined renal and hepatic function for a month in renally-impaired COVID-19 patients who were treated or not treated with remdesivir to assess the safety of the drug. A retrospective study was performed in adult COVID-19 patients with glomerular filtration rates of <30 ml/min/1.73 m2 at admission to a tertiary care hospital between November 2020 and March 2022. Data on serum creatinine and liver chemistry were collected serially. A total of 101 patients with impaired renal function were analyzed, comprising 64 remdesivir-treated patients and 37 who did not receive any antiviral agent. Although remdesivir-treated patients were more likely to be infected with the Omicron variant (79.7% vs. 48.6%), baseline characteristics did not differ significantly between the two groups. Among patients who initially did not require dialysis, 18.4% (7/38) of remdesivir-treated patients developed acute kidney injury (AKI) at days 4-6, compared with 51.7% (15/29) of non-remdesivir-treated patients. Liver injury severity worsened in 3.1% (2/64) of remdesivir-treated patients and 5.4% (2/37) of non-remdesivir-treated patients at days 4-6. In addition, there was no significant increase in AKI and liver injury over time in remdesivir-treated patients, and there were no cases of discontinuation of remdesivir due to adverse reactions. Concerns regarding the safety of SBECD should not lead to hasty withholding of remdesivir treatment in renally-impaired COVID-19 patients.
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Affiliation(s)
- Somi Park
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - A Reum Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jiyoung Lee
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sung-Woon Kang
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Heungsup Sung
- Department of Laboratory Meidicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Mi-Na Kim
- Department of Laboratory Meidicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Euijin Chang
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Seongman Bae
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jiwon Jung
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Min Jae Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sung-Han Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sang-Oh Lee
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sang-Ho Choi
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Yang Soo Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Eun Hee Song
- Department of Internal Medicine, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Gangwon-do, Republic of Korea.
| | - Yong Pil Chong
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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Ladetto MF, Lázaro-Martínez JM, Devoto TB, Briceño VJ, Castro GR, Cuestas ML. Quantitative determination of voriconazole by thionine reduction and its potential application in a pharmaceutical and clinical setting. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:1230-1240. [PMID: 36807654 DOI: 10.1039/d2ay01431a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Voriconazole (VCZ) is a triazolic drug used to treat serious fungal infections and invasive mycosis and has also been more recently used as a generic antifungal treatment. However, VCZ therapies can cause undesirable side effects and doses must be carefully monitored before administration to avoid or reduce severe toxic effects. Analytical techniques used to quantify VCZ are mostly based on HPLC/UV and often associated with multiple technical steps as well as expensive equipment. The present work aimed to develop an accessible and affordable spectrophotometric technique in the visible range (λ = 514 nm) for the simple quantification of VCZ. The technique was based on VCZ-induced reduction of thionine (TH, red) to leucothionine (LTH, colorless) under alkaline conditions. The reaction showed a linear correlation over the range of 1.00 μg mL-1 to 60.00 μg mL-1 at room temperature, the limits of detection and quantification being 1.93 μg mL-1 and 6.45 μg mL-1, respectively. VCZ degradation products (DPs) according to 1H and 13C-NMR spectrometric determinations not only showed good agreement with the ones previously reported (DP1 and DP2 - T. M. Barbosa, G. A. Morris, M. Nilsson, R. Rittner and C. F. Tormena, RSC Adv., 2017, DOI: 10.1039/c7ra03822d), but also revealed a new degradation product (DP3). Mass spectrometry not only confirmed the presence of LTH as a result of the VCZ DP-induced TH reduction, but also revealed the formation of a novel and stable Schiff base as a reaction product between DP1 and LTH. The latter finding became significant as it stabilizes the reaction for quantification purposes, by hindering LTH ↔TH redox reversibility. This analytical method was then validated according to the ICH Q2 (R1) guidelines, and additionally, it could be demonstrated as applicable for the reliable VCZ quantification in commercially available tablets. Importantly, it also represents a useful tool for detecting toxic threshold concentrations in human plasma from VCZ-treated patients, alerting when these risky limits are exceeded. In this way, this technique independent from sophisticated equipment, highly qualifies as a low-cost, reproducible, trustable, and non-laborious alternative method for VCZ measurements from different matrices.
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Affiliation(s)
- María Florencia Ladetto
- Departamento de Química, Laboratorio de Nanobiomateriales, Facultad de Ciencias Exactas, Centro de Investigación y Desarrollo en Fermentaciones Industriales (CINDEFI), Universidad Nacional de La Plata (UNLP) - CONICET (CCT La Plata), Calle 47 y 115, La Plata, B1900AJI, Buenos Aires, Argentina
- Institute for Research in Microbiology and Medical Parasitology (IMPaM), University of Buenos Aires, CONICET, Buenos Aires, Argentina.
| | - Juan Manuel Lázaro-Martínez
- Departamento de Ciencias Químicas, Facultad de Farmacia y Bioquímica, Instituto de Química y Metabolismo del Fármaco (IQUIMEFA UBA-CONICET), Universidad de Buenos Aires, Argentina
| | - Tomás Brito Devoto
- Institute for Research in Microbiology and Medical Parasitology (IMPaM), University of Buenos Aires, CONICET, Buenos Aires, Argentina.
| | - Víctor J Briceño
- Institute for Research in Microbiology and Medical Parasitology (IMPaM), University of Buenos Aires, CONICET, Buenos Aires, Argentina.
- Institute of Nanobiotechnology (Nanobiotec), University of Buenos Aires, CONICET, Buenos Aires, Argentina
| | - Guillermo R Castro
- Max Planck Laboratory for Structural Biology, Chemistry and Molecular Biophysics of Rosario (MPLbioR, UNR-MPIbpC), Partner Laboratory of the Max Planck Institute for Biophysical Chemistry (MPIbpC, MPG), Centro de Estudios Interdisciplinarios (CEI) - CONICET, Universidad Nacional de Rosario, Maipú 1065, Rosario, S2000, Santa Fe, Argentina.
- Nanomedicine Research Unit (Nanomed), Center for Natural and Human Sciences (CCNH), Universidade Federal do ABC (UFABC), Santo André, SP, Brazil
| | - María Luján Cuestas
- Institute for Research in Microbiology and Medical Parasitology (IMPaM), University of Buenos Aires, CONICET, Buenos Aires, Argentina.
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Systemic Antifungal Therapy for Invasive Pulmonary Infections. J Fungi (Basel) 2023; 9:jof9020144. [PMID: 36836260 PMCID: PMC9966409 DOI: 10.3390/jof9020144] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/13/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023] Open
Abstract
Antifungal therapy for pulmonary fungal diseases is in a state of flux. Amphotericin B, the time-honored standard of care for many years, has been replaced by agents demonstrating superior efficacy and safety, including extended-spectrum triazoles and liposomal amphotericin B. Voriconazole, which became the treatment of choice for most pulmonary mold diseases, has been compared with posaconazole and itraconazole, both of which have shown clinical efficacy similar to that of voriconazole, with fewer adverse events. With the worldwide expansion of azole-resistant Aspergillus fumigatus and infections with intrinsically resistant non-Aspergillus molds, the need for newer antifungals with novel mechanisms of action becomes ever more pressing.
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Is remdesivir safe in patients with renal impairment? Experience at a large tertiary urban medical center. Infection 2023; 51:247-252. [PMID: 35616879 PMCID: PMC9132747 DOI: 10.1007/s15010-022-01850-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Accepted: 05/04/2022] [Indexed: 01/31/2023]
Abstract
PURPOSE Remdesivir is FDA-approved for treatment of patients hospitalized with COVID-19 pneumonia, but not recommended in patients with severe renal failure. This study aims to evaluate the safety of remdesivir in this patient population. METHODS This was a single-center, retrospective cohort study including patients ≥ 18 years old, admitted between May 1, 2020 and April 30, 2021 who received remdesivir. Patients were divided into two groups: estimated creatinine clearance (eCrCl) < 30 mL/min and eCrCl ≥ 30 ml/min. Primary outcomes were development of acute kidney injury (AKI) after remdesivir initiation and hepatotoxicity (alanine aminotransferase [ALT] or aspartate aminotransferase [AST] > 5 × upper limit of normal) both at end of treatment (EOT) or 5 days after EOT. Secondary outcomes were length of stay (days) and mortality. RESULTS 513 patients were assessed with 416 patients included in the study (eCrCl < 30 mL/min, n = 55; eCrCl ≥ 30 mL/min n = 361). Incidence of AKI (eCrCl < 30 mL/min 11% vs eCrCl ≥ 30 mL/min 7%, OR 1.57, 95% CI 0.57, 4.3) and hepatotoxicity (ALT: 2% vs 4%, OR 0.47, 95% CI 0.05, 3.7 and AST: 2% vs 2%, OR 1.26, 95% CI 0.14, 11.04) were similar between the two groups. Length of stay was longer in the eCrCl < 30 mL/min group (mean 18.6 vs 11.9, difference 6.7, 95% CI 3.8, 9.6), and no difference in mortality was observed (21.8% vs 18.8%, OR 1.2, 95% CI 0.6, 2.4). CONCLUSION Remdesivir was not associated with development of AKI or hepatotoxicity in patients with eCrCl < 30 mL/min compared to patients with eCrCl ≥ 30 mL/min, and warrants further investigation.
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5
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Wang L, Zhang Z. Comment about the safety of intravenous voriconazole formulated with sulfobutylether beta-cyclodextrin. Expert Opin Drug Saf 2021; 21:133-134. [PMID: 34494496 DOI: 10.1080/14740338.2021.1978976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Linlin Wang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zanling Zhang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Institute for Rational and Safe Medication Practices, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
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6
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Husain S, Camargo JF. Invasive Aspergillosis in solid-organ transplant recipients: Guidelines from the American Society of Transplantation Infectious Diseases Community of Practice. Clin Transplant 2019; 33:e13544. [PMID: 30900296 DOI: 10.1111/ctr.13544] [Citation(s) in RCA: 134] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 03/18/2019] [Indexed: 12/13/2022]
Abstract
These updated AST-IDCOP guidelines provide information on epidemiology, diagnosis, and management of Aspergillus after organ transplantation. Aspergillus is the most common invasive mold infection in solid-organ transplant (SOT) recipients, and it is the most common invasive fungal infection among lung transplant recipients. Time from transplant to diagnosis of invasive aspergillosis (IA) is variable, but most cases present within the first year post-transplant, with shortest time to onset among liver and heart transplant recipients. The overall 12-week mortality of IA in SOT exceeds 20%; prognosis is worse among those with central nervous system involvement or disseminated disease. Bronchoalveolar lavage galactomannan is preferred for the diagnosis of IA in lung and non-lung transplant recipients, in combination with other diagnostic modalities (eg, chest CT scan, culture). Voriconazole remains the drug of choice to treat IA, with isavuconazole and lipid formulations of amphotericin B regarded as alternative agents. The role of combination antifungals for primary therapy of IA remains controversial. Either universal prophylaxis or preemptive therapy is recommended in lung transplant recipients, whereas targeted prophylaxis is favored in liver and heart transplant recipients. In these guidelines, we also discuss newer antifungals and diagnostic tests, antifungal susceptibility testing, and special patient populations.
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Affiliation(s)
- Shahid Husain
- Division of Infectious Diseases, Multi-Organ Transplant Unit, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Jose F Camargo
- Department of Medicine, Division of Infectious Diseases, University of Miami Miller School of Medicine, Miami, Florida
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Effect of Cumulative Intravenous Voriconazole Dose on Renal Function in Hematological Patients. Antimicrob Agents Chemother 2018; 62:AAC.00507-18. [PMID: 29987145 DOI: 10.1128/aac.00507-18] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 07/06/2018] [Indexed: 01/24/2023] Open
Abstract
Intravenous voriconazole (VRC) is formulated by the incorporation of sulfobutylether-β-cyclodextrin (SBECD), which may accumulate to adversely affect renal function. However, the effect of long-term use of intravenous VRC on renal function is unclear. Our retrospective analysis of data confirmed that worsening of renal function was significantly associated with a cumulative dose of intravenous VRC (≥400 mg/kg), suggesting that a higher cumulative dose of intravenous VRC is a risk factor for renal dysfunction.
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8
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Dilokpattanamongkol P, Panusitthikorn P, Boonprasert R, Chayakulkeeree M, Rotjanapan P. A case report of intravenous posaconazole in hepatic and renal impairment patient with invasive Aspergillus terreus infection: safety and role of therapeutic drug monitoring. BMC Pharmacol Toxicol 2017; 18:8. [PMID: 28143591 PMCID: PMC5282663 DOI: 10.1186/s40360-017-0115-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 01/14/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Invasive aspergillosis (IA) is a fatal infectious complication among immunocompromised patients. Aspergillus terreus, the fourth common species can be difficult to treat due to a unique resistance pattern. To date, there has been no report on safety and dose adjustment when intravenous posaconazole is selected in hepatic and renal impairment patient. We present a rare case of intravenous posaconazole use in a hepatic and renal impairment patient with invasive A. terreus pulmonary infection. To our knowledge, this is the first report of intravenous posaconazole use in IA due to A. terreus with hepatic and renal impairment focusing on drug safety and role of therapeutic drug monitoring (TDM). CASE PRESENTATION A 37-year-old previously healthy man with diagnosis of dengue hemorrhagic fever and shock complicated with hepatic and renal impairment proposed to have proven invasive A. terreus pulmonary infection is described. Due to lack of good clinical response and concern of potential adverse effects whilst on intravenous voriconazole, intravenous posaconazole 300 mg every 48 h was chosen with confirmed therapeutic plasma concentrations. Despite the death of the patient and IA deemed uncontrollable, there were no significant side effects attributable to intravenous posaconazole use demonstrated over a period of 34 days. CONCLUSIONS Intravenous posaconazole use with TDM implementation maybe a safe alternative option to standard therapy. Therapeutic plasma posaconazole level may be reached at lower dosing regimen in renal and hepatic impairment patient. However, explanations of clinical failure on this patient with immunodeficiency state were multifactorial.
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Affiliation(s)
- Pitchaya Dilokpattanamongkol
- Department of Pharmacy, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayutthaya Road, Ratchathewi, Bangkok, 10400, Thailand
| | - Panadda Panusitthikorn
- Department of Pharmacy, Faculty of Medicine, Siriraj Hospital, Mahidol University, 2 Wanglang Road Bangkoknoi, Bangkok, 10700, Thailand
| | - Rasda Boonprasert
- Clinical Toxicology Laboratory, Siriraj Poison Control Center, Faculty of Medicine, Siriraj Hospital, Mahidol University, 2 Wanglang Road Bangkoknoi, Bangkok, 10700, Thailand
| | - Methee Chayakulkeeree
- Division of Infectious Diseases and Tropical Medicine, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, 2 Wanglang Road Bangkoknoi, Bangkok, 10700, Thailand
| | - Porpon Rotjanapan
- Division of Infectious Diseases, Department of Medicine, Ramathibodi Hospital, Mahidol University, 270 Rama VI Road, Ratchathewi, Bangkok, 10400, Thailand.
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9
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Kim SH, Kwon JC, Park C, Han S, Yim DS, Choi JK, Cho SY, Lee HJ, Park SH, Choi SM, Choi JH, Yoo JH, Lee DG, Lee JW. Therapeutic drug monitoring and safety of intravenous voriconazole formulated with sulfobutylether β-cyclodextrin in haematological patients with renal impairment. Mycoses 2016; 59:644-51. [PMID: 27324913 DOI: 10.1111/myc.12517] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 03/19/2016] [Accepted: 04/25/2016] [Indexed: 11/27/2022]
Abstract
Because of concerns about accumulation of cyclodextrin, oral voriconazole is recommended for patients with renal impairment. However, intravenous voriconazole may occasionally be imperative in critically ill patients with life-threatening invasive aspergillosis. We investigated the clinical effects of intravenous voriconazole formulated with sulfobutylether β-cyclodextrin (SBECD) in patients with renal impairment. A prospective observational study was conducted on 25 adult patients with haematological malignancies who were treated with intravenous voriconazole for invasive aspergillosis. Among them, seven patients had a baseline creatinine clearance (CrCl) <50 ml min(-1) (case). Although voriconazole trough concentrations were significantly higher in cases (5.84 mg l(-1) ) than controls (2.28 mg l(-1) ), the proportion of concentrations within the target range did not differ between two groups (4/7 and 12/18, respectively; P = 0.658). The frequency of severe adverse events in cases (3/7) was comparable to that of controls (4/18; P = 0.355). No patients showed significant deterioration in renal function after the voriconazole therapy even in patients with renal impairment. Although CrCl <50 ml min(-1) was associated with higher voriconazole concentrations, its clinical impact remains unclear. SBECD-formulated intravenous voriconazole did not lead to a higher incidence of severe adverse events including nephrotoxicity in haematological patients with CrCl <50 ml min(-1) .
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Affiliation(s)
- Si-Hyun Kim
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Incheon St. Mary's Hospital, Incheon, Korea
| | - Jae-Cheol Kwon
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Chulmin Park
- Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Seunghoon Han
- Department of Pharmacology, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Dong-Seok Yim
- Department of Pharmacology, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jae-Ki Choi
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sung-Yeon Cho
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Hyo-Jin Lee
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sun Hee Park
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Su-Mi Choi
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jung-Hyun Choi
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Incheon St. Mary's Hospital, Incheon, Korea
| | - Jin-Hong Yoo
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Dong-Gun Lee
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea. .,Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea. .,Catholic Blood and Marrow Transplantation Center, College of Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul, Korea.
| | - Jong-Wook Lee
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Catholic Blood and Marrow Transplantation Center, College of Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul, Korea
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10
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Worsening renal function in patients with baseline renal impairment treated with intravenous voriconazole: A systematic review. Int J Antimicrob Agents 2015; 46:362-6. [PMID: 26253129 DOI: 10.1016/j.ijantimicag.2015.05.023] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Revised: 05/14/2015] [Accepted: 05/14/2015] [Indexed: 11/21/2022]
Abstract
The objective of this paper was to review the risk of worsening renal function in patients with pre-existing renal impairment receiving intravenous voriconazole (IVV). Controversy exists regarding the cause and risk of renal dysfunction in patients treated with IVV. Whilst some studies implicate renally excreted cyclodextrin, a pharmaceutical formulation stabiliser, as the cause of renal dysfunction following voriconazole administration, others provide contradicting evidence. Here we analyse the available literature to gain an insight into the significance of renal toxicity in patients treated with IVV. PubMed was searched for relevant studies to December 2014. To account for publication bias, abstracts from the Interscience Conference on Antimicrobial Agents and Chemotherapy, the Infectious Diseases Society of America/ID Week, and the European Congress of Clinical Microbiology and Infectious Diseases from 2008-2014 were reviewed. Bibliographies of all identified articles were reviewed and cross-referenced for additional sources. Seven retrospective studies were identified for inclusion in the review; no prospective studies were identified. Based on the available evidence, we conclude that there is no strong evidence suggesting an increased incidence of worsening renal function with IVV use. No study thus far has provided direct conclusive evidence for cellular and physiological renal toxicity due to IVV at clinically prevalent doses.
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11
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Kontoyiannis DP, Lewis RE. Treatment principles for the management of mold infections. Cold Spring Harb Perspect Med 2014; 5:cshperspect.a019737. [PMID: 25377139 DOI: 10.1101/cshperspect.a019737] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Survival rates among immunocompromised patients with invasive mold infections have markedly improved over the last decade with earlier diagnosis and new antifungal treatment options. Yet, increasing antifungal resistance, breakthrough infections with intrinsically resistant fungi, and potentially life-threatening adverse effects and drug interactions are becoming more problematic, especially with prolonged therapy. Evidence-based recommendations for treating invasive aspergillosis and mucormycosis provide excellent guidance on the initial workup and treatment of these molds, but they cannot address all of the key management issues. Herein, we discuss 10 general treatment principles in the management of invasive mold disease in immunocompromised patients and discuss how these principles can be integrated to develop an effective, individualized treatment plan.
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Affiliation(s)
| | - Russell E Lewis
- Department of Medical Sciences and Surgery, University of Bologna, 40138 Bologna, Italy
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12
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Azanza JR, Sádaba B, Gómez-Guíu A. Farmacología de los antifúngicos en el tratamiento de la aspergilosis. Rev Iberoam Micol 2014; 31:255-61. [DOI: 10.1016/j.riam.2014.05.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Accepted: 05/15/2014] [Indexed: 11/26/2022] Open
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13
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Safety and tolerability of voriconazole in patients with baseline renal insufficiency and candidemia. Antimicrob Agents Chemother 2012; 56:3133-7. [PMID: 22450974 DOI: 10.1128/aac.05841-11] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Acutely ill patients with candidemia frequently suffer from renal insufficiency. Voriconazole's intravenous formulation with sulfobutylether beta-cyclodextrin (SBECD) is restricted in patients with renal insufficiency. We evaluated the use of intravenous voriconazole formulated with SBECD in candidemic patients with renal insufficiency and compared treatment outcome and safety to those who received a short course of amphotericin B deoxycholate followed by fluconazole. We reviewed data on treatment outcome, survival, safety, and tolerability from the subset of patients with moderate (creatinine clearance [CrCl], 30 to 50 ml/min) or severe (CrCl, <30 ml/min) renal insufficiency enrolled in a trial of voriconazole compared to amphotericin B deoxycholate followed by fluconazole for treatment of candidemia in 370 patients. Fifty-eight patients with renal impairment were identified: 41 patients on voriconazole and 17 on amphotericin B/fluconazole. The median duration of treatment was 14 days for voriconazole (median, 7 days intravenous) and 11 days for amphotericin B/fluconazole, 3 days of which were for amphotericin B. Despite the short duration of exposure, worsening of renal function or newly emerged renal adverse events were reported in 53% of amphotericin B-treated patients compared to 39% of voriconazole-treated patients. During treatment, median serum creatinine decreased in the voriconazole arm, whereas creatinine increased in the amphotericin B/fluconazole arm, before return to baseline at week 3. All-cause mortality at 14 weeks was 49% in the voriconazole arm compared to 65% in the amphotericin B/fluconazole arm. Intravenous voriconazole formulated with SBECD was effective in patients with moderate or severe renal insufficiency and candidemia and was associated with less acute renal toxicity than amphotericin B/fluconazole.
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Racil Z, Winterova J, Kouba M, Zak P, Malaskova L, Buresova L, Toskova M, Lengerova M, Kocmanova I, Weinbergerova B, Timilsina S, Rolencova M, Cetkovsky P, Mayer J. Monitoring trough voriconazole plasma concentrations in haematological patients: real life multicentre experience. Mycoses 2012; 55:483-92. [PMID: 22429709 DOI: 10.1111/j.1439-0507.2012.02186.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The objective of this retrospective study was to evaluate results from voriconazole therapeutic drug monitoring (TDM) in haematological patients in routine clinical practice. Between 2005 and 2010, 1228 blood samples were obtained from 264 haematological patients (median 3 samples/patient; range 1-27) receiving voriconazole for targeted/preemptive treatment of invasive aspergillosis (IA) (46.3% of samples), empirical therapy (12.9%) or prophylaxis (40.8%). A high-pressure liquid chromatography assay was used to analyse voriconazole concentrations. Clinical and laboratory data were analysed retrospectively. The median of the detected voriconazole plasma concentration was 1.00 μg ml(-1) (range <0.20-13.47 μg ml(-1)). Significant inter- and intra-patients variability of measured concentrations (81.9% and 50.5%) were identified. With the exception of omeprazole administration, there was no relevant relationship between measured voriconazole concentrations and drug dose, route administration, age, gender, CYP2C19*2 genotype, gastrointestinal tract abnormality, administration via nasogastric tube, serum creatinine, and liver enzymes. However, per patient analysis identified significant role of individual voriconazole dose and drug form change on measured plasma concentration. Measured voriconazole concentrations did not correlate with the treatment outcome of patients with IA. We only identified a limited number of adverse events related to voriconazole therapy; however, the median plasma concentration was not different from concentrations measured in samples without reported toxicity. Our retrospective study has suggested that routine monitoring of voriconazole plasma concentrations has probably only a limited role in daily haematological practice.
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Affiliation(s)
- Zdenek Racil
- Department of Internal Medicine-Hematology and Oncology, University Hospital Brno, Masaryk University, Brno, Czech Republic.
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Serno T, Geidobler R, Winter G. Protein stabilization by cyclodextrins in the liquid and dried state. Adv Drug Deliv Rev 2011; 63:1086-106. [PMID: 21907254 DOI: 10.1016/j.addr.2011.08.003] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2011] [Revised: 08/16/2011] [Accepted: 08/23/2011] [Indexed: 02/07/2023]
Abstract
Aggregation is arguably the biggest challenge for the development of stable formulations and robust manufacturing processes of therapeutic proteins. In search of novel excipients inhibiting protein aggregation, cyclodextrins and their derivatives have been under examination for use in parenteral protein products since more than 20 years and significant research work has been accomplished highlighting the great potential of cyclodextrins as stabilizers of therapeutic proteins. Oftentimes, the potential of cyclodextrins to inhibit protein aggregation has been attributed to their capability to incorporate hydrophobic residues on aggregation-prone proteins or on their partially unfolded intermediates into the hydrophobic cavity. In addition, also other mechanisms besides or even instead of complex formation play a role in the stabilization mechanism, e.g. non-ionic surfactant-like effects. In this review a comprehensive overview of the available research work on the beneficial use of cyclodextrins and their derivatives in protein formulations, liquid as well as dried, is provided. The mechanisms of stabilization against different kinds of stress conditions, such as thermal or surface-induced, are discussed in detail.
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Sinnollareddy M, Peake SL, Roberts MS, Lipman J, Roberts JA. Using pharmacokinetics and pharmacodynamics to optimise dosing of antifungal agents in critically ill patients: a systematic review. Int J Antimicrob Agents 2011; 39:1-10. [PMID: 21925845 DOI: 10.1016/j.ijantimicag.2011.07.013] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Accepted: 07/28/2011] [Indexed: 12/29/2022]
Abstract
The prevalence of invasive fungal infections (IFIs) caused by Candida spp. is increasing in critically ill patients. Recent development of new antifungal agents has significantly contributed to the successful treatment of IFIs. However, the pharmacokinetics of antifungal agents can be altered in a number of disease states, including critical illness. Therefore, doses established in healthy volunteers and other patient groups may not be appropriate for the critically ill. Moreover, inadequate dosing may contribute to treatment failure and the emergence of resistance. This systematic review provides a critical analysis of the pharmacokinetics of antifungal agents in the critically ill and their relevance to dosing requirements in clinical practice. Based on the limited data available, dosing of some antifungal agents may have to be adjusted in critically ill patients with conserved renal function as well as in those requiring renal replacement therapy. Further research to confirm the appropriateness of current dosing strategies to attain the appropriate pharmacodynamic targets is recommended.
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Affiliation(s)
- Mahipal Sinnollareddy
- Pharmacy Department, The Queen Elizabeth Hospital, 28 Woodville Road, Woodville, Adelaide, SA 5011, Australia.
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Cortés JA, Soto R, Álvarez CA, Buitrago G, Camargo RD, Cataño JC, Gómez CH, Otero E, Reyes P, Roncancio G, Vargas JG. Consenso de uso de antimicrobianos en pacientes críticamente enfermos con falla renal o en riesgo de padecerla. INFECTIO 2011. [DOI: 10.1016/s0123-9392(11)70076-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Lat A, Thompson GR. Update on the optimal use of voriconazole for invasive fungal infections. Infect Drug Resist 2011; 4:43-53. [PMID: 21694908 PMCID: PMC3108750 DOI: 10.2147/idr.s12714] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2011] [Indexed: 11/23/2022] Open
Abstract
Voriconazole is an extended-spectrum triazole with excellent bioavailability that has now become the treatment of choice for aspergillosis. It has a unique side effect profile compared with other azoles, as well as a number of clinically important drug-drug interactions. These factors, along with a correlation between increased serum levels and improved outcomes, have prompted an interest in therapeutic drug monitoring of this agent. The pharmacology and clinical outcomes data of voriconazole are presented in this review.
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Affiliation(s)
- Asma Lat
- Department of Pharmacy, New York-Presbyterian Hospital, Columbia University Medical Center, New York, NY, USA
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Luke DR, Tomaszewski K, Damle B, Schlamm HT. Review of the basic and clinical pharmacology of sulfobutylether-beta-cyclodextrin (SBECD). J Pharm Sci 2010; 99:3291-301. [PMID: 20213839 DOI: 10.1002/jps.22109] [Citation(s) in RCA: 155] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Despite its use in commercially available drugs such as intravenous voriconazole, there is little known in the medical literature about the clinical pharmacology of the solubilizing agent, sulfobutylether-beta-cyclodextrin (SBECD). This paper summarizes all known data on SBECD pharmacokinetics and safety. In animals, volume of distribution approximates extracellular water volume and clearance is determined by the glomerular filtration rate. SBECD does not have any apparent effects on cardiovascular or respiratory systems, nor on autonomic and somatic functions in animals. In 1- and 6-month studies in rats and dogs, the most noteworthy findings were renal tubular vacuolation and foamy macrophages in the liver and lungs. Mild toxicity in the kidney and liver as a consequence of vacuolation occurred in rats at the maximum dose of 3000 mg/kg, which is approximately 50-fold greater than the SBECD dose typically administered in man. Doses up to 1500 mg/kg produced no histopathological evidence of toxicity in dog kidneys. SBECD has also been studied in healthy volunteers and subjects with renal dysfunction. Whereas plasma SBECD levels accumulate in those with renal compromise, there were no deleterious effects on renal function. Nonetheless, serum creatinine levels should be monitored in subjects with renal compromise receiving multiple doses of SBECD.
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Antifungal Dose Adjustment in Renal and Hepatic Dysfunction: Pharmacokinetic and Pharmacodynamic Considerations. CURRENT FUNGAL INFECTION REPORTS 2010. [DOI: 10.1007/s12281-010-0015-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Brüggemann RJM, Blijlevens NMA, Burger DM, Franke B, Troke PF, Donnelly JP. Pharmacokinetics and safety of 14 days intravenous voriconazole in allogeneic haematopoietic stem cell transplant recipients. J Antimicrob Chemother 2010; 65:107-13. [PMID: 19933691 DOI: 10.1093/jac/dkp416] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Voriconazole is used to manage invasive fungal diseases in recipients of an allogeneic haematopoietic stem cell transplant (HSCT) after myeloablative treatment. Little is known about the pharmacokinetics (PK) of voriconazole in this population, who also receive cyclosporine A. METHODS Patients admitted for an allogeneic HSCT were eligible for the study. Voriconazole was given intravenously at 6 mg/kg twice daily on day 1, then 4 mg/kg twice daily until the day of transplant to reach steady-state conditions and then continued for a further week during which cyclosporine A was administered. Blood samples were drawn on the day of HSCT and daily for the next 14 days. PK curves were determined on days 7 and 14. PK parameters were calculated using non-compartmental analysis. CYP2C19*2 and CYP2C19*3 polymorphisms were also determined. RESULTS Ten patients were fully evaluable. Median AUC(0-12) of voriconazole on the day of HSCT was 33.81 mg.h/L [interquartile range (IQR) 20.59-39.39] and 25.61 mg.h/L (IQR 22.48-38.65) 1 week later. AUC(0-12) of voriconazole on both days was similar to data reported for healthy volunteers. Trough levels were <1.0 mg/L for 3 of 10 patients on the day of HSCT and for 4 of 10 patients 1 week later. No difference in clearance of voriconazole was found between CYP2C19 extensive metabolizers (n = 4) and carriers of one non-functional allele (n = 6). CONCLUSIONS Exposure and clearance of voriconazole in recipients of an allogeneic HSCT are similar to those of healthy volunteers though there was high intra- and inter-individual variation in drug exposures which may have implications for similar patient populations.
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Affiliation(s)
- Roger J M Brüggemann
- Department of Clinical Pharmacy, Radboud University Nijmegen Medical Centre, The Netherlands
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Myrianthefs P, Markantonis SL, Evaggelopoulou P, Despotelis S, Evodia E, Panidis D, Baltopoulos G. Monitoring plasma voriconazole levels following intravenous administration in critically ill patients: an observational study. Int J Antimicrob Agents 2010; 35:468-72. [PMID: 20188523 DOI: 10.1016/j.ijantimicag.2009.12.021] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2009] [Revised: 12/20/2009] [Accepted: 12/23/2009] [Indexed: 12/13/2022]
Abstract
Data relating to the pharmacokinetics of voriconazole in critically ill patients are lacking. A prospective observational study was conducted on 18 non-consecutive critically ill patients aged 24-97 years, comprising 12 patients with normal renal function (NRF) [creatinine clearance (CL(Cr)) > or = 60 mL/min] and 6 patients with moderate renal impairment (MRI) (CL(Cr) 40-55 mL/min), administered voriconazole intravenously (6 mg/kg loading dose and 3-4 mg/kg twice daily thereafter) in order to determine the suitability of these doses in this patient population. Steady-state blood levels were monitored and liver and renal function were recorded throughout treatment. Large variability in patient plasma levels was observed, ranging from 37% at < or = 1 mg/L (minimum inhibitory concentration at which, for most fungal pathogens, 90% of isolates are susceptible) to 19% at >5.5mg/L. Moreover, maintaining trough concentrations above clinical breakpoints was not consistently achieved because 16/30 (53%) were < or = 1 mg/L. In a few MRI patients, average concentrations were found to be significantly different compared with those of NRF patients administered the same dose, however this difference was not noted in pharmacokinetic parameters following dose normalisation. None of the patients experienced deterioration in renal or liver function. Recommended voriconazole doses are inadequate to achieve drug concentrations >1 microg/mL over the entire dosing interval in some critically ill patients.
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Affiliation(s)
- Pavlos Myrianthefs
- Intensive Care Unit, KAT Hospital, School of Nursing, Athens University, Athens 157.71, Greece
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Abstract
Invasive fungal infections are major causes of morbidity and mortality in critically ill patients. Foremost among these is invasive candidiasis. In recent years, invasive aspergillosis (IA) and zygomycosis have emerged as major problems in susceptible, critically ill patients. Risk factors for invasive fungal infections, including disrupted anatomic barriers, suppressed antifungal host responses, and exposure to potentially opportunistic fungi are common in critically ill patients. The expanded antifungal armamentarium and advent of rapid diagnostic techniques are altering the approach to invasive fungal infections in the intensive care unit (ICU). Herein, we review recent developments in the field of antifungal host defenses, the changing epidemiology of fungal infections in the ICU, the pharmacology of antifungal agents of importance to critically ill patients, and the evolving approaches to therapy in this setting.
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Affiliation(s)
- Shmuel Shoham
- Section of Infectious Diseases, Washington Hospital Center, Washington, D.C., MedStar Research Institute, Washington, DC 20010, USA.
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