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Du B, Zhang W, Wang Y, Wu YE, Zhang YH, van den Anker J, Hao GX, Zhao W. Optimal dosing regimen of caspofungin in adolescents with allogeneic haematopoietic stem cell transplantation. J Antimicrob Chemother 2024:dkae276. [PMID: 39119901 DOI: 10.1093/jac/dkae276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 07/19/2024] [Indexed: 08/10/2024] Open
Abstract
OBJECTIVES The optimal dosing regimen of caspofungin in adolescents undergoing allogeneic haematopoietic stem cell transplantation against Candida spp. is unknown. The study aimed to compare body surface area (BSA)-based and fixed dosing regimens through population pharmacokinetic (PPK) analysis and to optimize dosing regimens likely to achieve therapeutic exposures. METHODS Opportunistic sampling was used to collect plasma concentrations through a prospective observational pharmacokinetic study. PPK analysis and Monte Carlo simulations (n = 1000) were performed using NONMEM. RESULTS A total of 86 samples of 30 adolescents (12-17 years old) were best described by a two-compartment pharmacokinetic model. BSA is the only covariate on clearance and central volume of distribution. For Candida glabrata and Candida albicans, a standard dosing regimen could achieve at least a 90% probability of target attainment for the indicator of AUC0-24/MIC90. Dosing regimen simulations identified a BSA cut-off value of 1.3 m2, where a fixed loading dose (LD) is preferred when BSA ≥ 1.3 m2 and a BSA-based LD is preferred when BSA < 1.3 m2. For maintenance dose (MD), however, the BSA-based dose was proposed, regardless of BSA. The current maximum dosing regimen of LD 70 mg/day and MD 70 mg/day could not result in sufficient antifungal exposure for Candida parapsilosis with MIC90 of 1 mg/L. Furthermore, an LD of 70 mg/day and MD of 60 mg/m2/day rendered 90.4% steady-state trough concentration (Ctrough) over 1 mg/L in the virtual population. CONCLUSIONS Our study proposed optimized dosing regimens of caspofungin based on AUC0-24/MIC90 or Ctrough, which may support further individualized treatment.
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Affiliation(s)
- Bin Du
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
- Department of Clinical Pharmacy, Jining No. 2 People's Hospital, Jining, China
| | - Wei Zhang
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yang Wang
- Department of Clinical Pharmacology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yue-E Wu
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Ya-Hui Zhang
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
- Department of Pharmacy, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - John van den Anker
- Division of Clinical Pharmacology, Children's National Hospital, Washington, DC, USA
- Department of Pediatrics, Pharmacology and Physiology, Genomics and Precision Medicine, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
- Department of Pediatric Pharmacology and Pharmacometrics, University of Basel Children's Hospital, Basel, Switzerland
| | - Guo-Xiang Hao
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Wei Zhao
- Department of Clinical Pharmacy, Institute of Clinical Pharmacology, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Clinical Research and Evaluation of Innovative Drug, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
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Tang Z, Wang H, Liu Y, Wang C, Li X, Yang Q. Current status and new experimental diagnostic methods of invasive fungal infections after hematopoietic stem cell transplantation. Arch Microbiol 2024; 206:237. [PMID: 38678508 DOI: 10.1007/s00203-024-03905-9] [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: 01/24/2024] [Accepted: 02/19/2024] [Indexed: 05/01/2024]
Abstract
Invasive fungal infections (IFIs) are common and life-threatening complications in post-hematopoietic stem cell transplantation (post-HSCT) recipients, Severe IFIs can lead to systemic infection and organ damage, which results in high mortality in HSCT recipients. With the development of the field of fungal infection diagnosis, more and more advanced non-culture diagnostic tools have been developed, such as glip biosensors, metagenomic next-generation sequencing, Magnetic Nanoparticles and Identified Using SERS via AgNPs+ , and artificial intelligence-assisted diagnosis. The advanced diagnostic approaches contribute to the success of HSCT and improve the overall survival of post-HSCT leukemia patients by supporting therapeutical decisions. This review provides an overview of the characteristics of two high-incidence IFIs in post-HSCT recipients and discusses some of the recently developed IFI detection technologies. Additionally, it explores the potential application of cationic conjugated polymer fluorescence resonance energy transfer (CCP-FRET) technology for IFI detection. The aim is to offer insights into selecting appropriate IFI detection methods and gaining an understanding of novel fungal diagnostic approaches in laboratory settings.
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Affiliation(s)
- Zhenhua Tang
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, 830046, China
| | - HaiTao Wang
- Department of Hematology, The Fifth Medical Center of Chinese, PLA General Hospital, Beijing, 100071, China
| | - Yuankai Liu
- Beijing Key Laboratory of Gene Resource and Molecular Development, College of Life Sciences, Beijing Normal University, Beijing, 100875, China
| | - Chen Wang
- Beijing Key Laboratory of Gene Resource and Molecular Development, College of Life Sciences, Beijing Normal University, Beijing, 100875, China
| | - Xinye Li
- Lanzhou Petrochemical General Hospital (The Fourth Affiliated Hospital of Gansu University of Chinese Medicine), Gansu, 730060, China.
| | - Qiong Yang
- Beijing Key Laboratory of Gene Resource and Molecular Development, College of Life Sciences, Beijing Normal University, Beijing, 100875, China.
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Zhang X, Zhang L, Li Y, Wang N, Zhang Y. Clinical performance of metagenomic next-generation sequencing for diagnosis of invasive fungal disease after hematopoietic cell transplant. Front Cell Infect Microbiol 2024; 14:1210857. [PMID: 38590441 PMCID: PMC11000502 DOI: 10.3389/fcimb.2024.1210857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 03/04/2024] [Indexed: 04/10/2024] Open
Abstract
Background Timely diagnosis and appropriate antifungal therapy are critical for improving the prognosis of patients with invasive fungal disease (IFD) after hematopoietic stem cell transplantation (HSCT). We evaluated the performance of metagenomic next-generation sequencing (mNGS) and conventional microbiological testing (CMT), as well as the diagnosis, therapeutic management, and outcomes of IFD after HSCT. Methods We retrospectively studied 189 patients who underwent HSCT and were considered at risk for IFD. In total, 46 patients with IFD were enrolled in this study. The IFD consensus was followed for classifying IFD incidents. Results Forty-six patients were diagnosed with proven/probable (n = 12), possible (n = 27), and undefined (n = 7) IFD. Aspergillus was the most commonly detected fungal genus. Mucormycosis was found in 15 patients; two had Aspergillus, and one had Candida infections. Compared to CMT, mNGS significantly reduced the time required to identify pathogens (P = 0.0016). mNGS had a much higher sensitivity than CMT (84.78% vs. 36.96%; P < 0.0001). A total of 76.09% of patients received antifungal prophylaxis during fungal infections. All Pneumocystis infections occurred later than 100 days after transplantation. Among patients with Pneumocystis infection, 71.43% occurred following sulfonamide withdrawal, and subsequent treatment with sulfonamide alone or in combination with other drugs was effective. Based on the empirical antifungal treatment, the dosages, modes of administration, frequency of administration, or antifungal of 55.26% of the patients were changed according to the mNGS results. The 4-year overall survival rate of patients diagnosed with IFD after transplantation was 71.55% (95% CI, 55.18%-85.82%). Hypoproteinemia and corticosteroid use are independent risk factors for IFD. Conclusion mNGS, which has a high sensitivity and a short detection time, aids in the diagnosis and prognosis of pathogenic fungi. As a powerful technology, mNGS can influence treatment decisions in patients with IFD following HSCT.
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Affiliation(s)
- Xiaoying Zhang
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Lingfeng Zhang
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yun Li
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Na Wang
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yicheng Zhang
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
- Immunotherapy Research Center for Hematologic Diseases of Hubei Province, Wuhan, Hubei, China
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Telles JP, Morales R, Yamada CH, Marins TA, D'Amaro Juodinis V, Sztajnbok J, Silva M, Bassetti BR, Albiero J, Tuon FF. Optimization of Antimicrobial Stewardship Programs Using Therapeutic Drug Monitoring and Pharmacokinetics-Pharmacodynamics Protocols: A Cost-Benefit Review. Ther Drug Monit 2023; 45:200-208. [PMID: 36622029 DOI: 10.1097/ftd.0000000000001067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 10/08/2022] [Indexed: 01/10/2023]
Abstract
PURPOSE Antimicrobial stewardship programs are important for reducing antimicrobial resistance because they can readjust antibiotic prescriptions to local guidelines, switch intravenous to oral administration, and reduce hospitalization times. Pharmacokinetics-pharmacodynamics (PK-PD) empirically based prescriptions and therapeutic drug monitoring (TDM) programs are essential for antimicrobial stewardship, but there is a need to fit protocols according to cost benefits. The cost benefits can be demonstrated by reducing toxicity and hospital stay, decreasing the amount of drug used per day, and preventing relapses in infection. Our aim was to review the data available on whether PK-PD empirically based prescriptions and TDM could improve the cost benefits of an antimicrobial stewardship program to decrease global hospital expenditures. METHODS A narrative review based on PubMed search with the relevant studies of vancomycin, aminoglycosides, beta-lactams, and voriconazole. RESULTS TDM protocols demonstrated important cost benefit for patients treated with vancomycin, aminoglycosides, and voriconazole mainly due to reduce toxicities and decreasing the hospital length of stay. In addition, PK-PD strategies that used infusion modifications to meropenem, piperacillin-tazobactam, ceftazidime, and cefepime, such as extended or continuous infusion, demonstrated important cost benefits, mainly due to reducing daily drug needs and lengths of hospital stays. CONCLUSIONS TDM protocols and PK-PD empirically based prescriptions improve the cost-benefits and decrease the global hospital expenditures.
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Affiliation(s)
- João Paulo Telles
- - AC Camargo Cancer Center, Infectious Diseases Department, São Paulo
- - Laboratory of Emerging Infectious Diseases, Pontifical Catholic University of Paraná, Curitiba
| | - Ronaldo Morales
- - Clinical Pharmacokinetics Center, School of Pharmaceutical Sciences, University of São Paulo
- - Pediatric Intensive Care Unit, Department of Pediatrics, Hospital Sírio-Libanês. São Paulo
| | - Carolina Hikari Yamada
- - Laboratory of Emerging Infectious Diseases, Pontifical Catholic University of Paraná, Curitiba
- - Hospital Universitário Evangélico Mackenzie, Department of Infectious Diseases, Curitiba
| | - Tatiana A Marins
- - Hospital Israelita Albert Einstein, Department of Clinical Pharmacy, São Paulo
| | | | - Jaques Sztajnbok
- - Instituto de Infectologia Emílio Ribas, São Paulo
- - Instituto da Criança do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (ICr/HC-FMUSP)
| | - Moacyr Silva
- - Hospital Israelita Albert Einstein, Department of Infection Prevention and Control, São Paulo
| | - Bil Randerson Bassetti
- - Hospital Santa Rita de Cássia, Department of Infectious Disease and Infection Control, Vitória ; and
| | - James Albiero
- - Universidade Estadual de Maringá, Pharmacy Department, Programa de Pós-Graduação em Assistência Farmacêutica, Maringá, Brazil
| | - Felipe Francisco Tuon
- - Laboratory of Emerging Infectious Diseases, Pontifical Catholic University of Paraná, Curitiba
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Novel 1, 2, 4-Triazoles as Antifungal Agents. BIOMED RESEARCH INTERNATIONAL 2022; 2022:4584846. [PMID: 35360519 PMCID: PMC8964166 DOI: 10.1155/2022/4584846] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 03/03/2022] [Indexed: 12/17/2022]
Abstract
The development of innovative antifungal agents is essential. Some fungicidal agents are no longer effective due to resistance development, various side effects, and high toxicity. Therefore, the synthesis and development of some new antifungal agents are necessary. 1,2,4-Triazole is one of the most essential pharmacophore systems between five-membered heterocycles. The structure-activity relationship (SAR) of this nitrogen-containing heterocyclic compound showed potential antifungal activity. The 1,2,4-triazole core is present as the nucleus in a variety of antifungal drug categories. The most potent and broad activity of triazoles have confirmed them as pharmacologically significant moieties. The goal of this review is to highlight recent developments in the synthesis and SAR study of 1,2,4-triazole as a potential fungicidal compound. In this study, we provide the results of a biological activity evaluation using various structures and figures. Literature investigation showed that 1, 2, 4-triazole derivatives reveal the extensive span of antifungal activity. This review will assist researchers in the development of new potential antifungal drug candidates with high effectiveness and selectivity.
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Perez P, Patiño J, Franco AA, Rosso F, Beltran E, Manzi E, Castro A, Estacio M, Valencia DM. Prophylaxis for invasive fungal infection in pediatric patients with allogeneic hematopoietic stem cell transplantation. Blood Res 2022; 57:34-40. [PMID: 35256547 PMCID: PMC8958374 DOI: 10.5045/br.2021.2021127] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 01/21/2022] [Accepted: 02/09/2022] [Indexed: 11/17/2022] Open
Abstract
Background Antifungal prophylaxis is recommended for hematopoietic stem cell transplantation (HSCT) to decrease the incidence of invasive fungal infections (IFI). This study aimed to compare the two groups of antifungal prophylaxis in pediatric patients undergoing allogeneic HSCT. Methods This observational, analytic, retrospective cohort study compared the incidence of IFI with antifungal prophylaxis with voriconazole vs. other antifungals in the first 100 days after allogeneic HSCT in patients aged <18 years between 2012 and 2018. The statistical analysis included univariate and multivariate analyses and determination of the cumulative incidence of invasive fungal infection by the Kaplan‒Meier method using STATA 14 statistical software. Results A total of 139 allogeneic HSCT were performed. The principal diagnosis was acute leukemia (63%). The 75% had haploidentical donors, and 50% used an antifungal in the month before transplantation. Voriconazole (69%) was the most frequently administered antifungal prophylaxis. The cumulative incidence of IFI was 5% (7 cases). Of the patients with IFIs, four began prophylaxis with voriconazole, one with caspofungin, and one with fluconazole. Additionally, six were possible cases, one was proven (Candida parapsilosis), and 1/7 died. Conclusion There were no differences in the incidence of IFI between patients who received prophylaxis with voriconazole and other antifungal agents.
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Affiliation(s)
- Paola Perez
- Facultad de Ciencias de la Salud, Universidad Icesi, Cali, Colombia
- Servicio de Infectología Pediátrica, Departamento Materno-infantil, Cali, Colombia
| | - Jaime Patiño
- Facultad de Ciencias de la Salud, Universidad Icesi, Cali, Colombia
- Servicio de Infectología Pediátrica, Departamento Materno-infantil, Cali, Colombia
| | - Alexis A. Franco
- Facultad de Ciencias de la Salud, Universidad Icesi, Cali, Colombia
- Unidad de trasplante de médula ósea, Departamento Materno-infantil, Cali, Colombia
| | - Fernando Rosso
- Facultad de Ciencias de la Salud, Universidad Icesi, Cali, Colombia
- Centro de Investigaciones Clínicas, Fundación Valle del Lili, Cali, Colombia
| | - Estefania Beltran
- Centro de Investigaciones Clínicas, Fundación Valle del Lili, Cali, Colombia
| | - Eliana Manzi
- Facultad de Ciencias de la Salud, Universidad Icesi, Cali, Colombia
- Centro de Investigaciones Clínicas, Fundación Valle del Lili, Cali, Colombia
| | - Andrés Castro
- Centro de Investigaciones Clínicas, Fundación Valle del Lili, Cali, Colombia
| | - Mayra Estacio
- Centro de Investigaciones Clínicas, Fundación Valle del Lili, Cali, Colombia
| | - Diego Medina Valencia
- Facultad de Ciencias de la Salud, Universidad Icesi, Cali, Colombia
- Unidad de trasplante de médula ósea, Departamento Materno-infantil, Cali, Colombia
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Taheriyan M, Safaee Nodehi S, Niakan Kalhori SR, Mohammadzadeh N. A systematic review of the predicted outcomes related to hematopoietic stem cell transplantation: focus on applied machine learning methods' performance. Expert Rev Hematol 2022; 15:137-156. [PMID: 35184654 DOI: 10.1080/17474086.2022.2042248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION : Hematopoietic stem cell transplantation (HSCT) is a critical therapeutic procedure in blood diseases, and the investigation of HSCT data can provide valuable information. Machine learning (ML) techniques are novel and useful data analysis tools that have been applied in many studies to predict HSCT survival and estimate the risk of transplantation. AREAS COVERED : A systematic review was performed with a search of PubMed, Science Direct, Embase, Scopus, and the European Society for Blood and Marrow Transplantation, the Center for International Blood and Marrow Transplant Research, and the American Society for Transplantation and Cellular Therapy publications for articles published by September 2020. EXPERT OPINION : After investigating the results, 24 papers that met eligibility criteria were included in this study. The applied ML algorithms with the highest performance were Random Survival Forests (AUC=0.72) for survival-related, Random Survival Forests and Logistic Regression (AUC=0.77) for mortality-related, Deep Learning (AUC=0.8) for relapse, L2-Regularized Logistic Regression (AUC=0.66) for Acute-Graft Versus Host Disease, Random Survival Forests (AUC=0.88) for sepsis, Elastic-Net Regression (AUC=0.89) for cognitive impairment, and Bayesian Network (AUC=0.997) for oral mucositis outcome. This review reveals the potential of ML techniques to predict HSCT outcomes and apply them to developing clinical decision support systems.
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Affiliation(s)
- Moloud Taheriyan
- Department of Health Information Management, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Sharareh R Niakan Kalhori
- Department of Health Information Management, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran.,Peter L. Reichertz Institute for Medical Informatics of TU Braunschweig and Hannover Medical School, Braunschweig, Germany
| | - Niloofar Mohammadzadeh
- Department of Health Information Management, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
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Sung AH, Martin S, Phan B, Benigno M, Stephens J, Chambers R, Aram JA. Patient Characteristics and Risk Factors in Invasive Mold Infections: Comparison from a Systematic Review and Database Analysis. CLINICOECONOMICS AND OUTCOMES RESEARCH 2021; 13:593-602. [PMID: 34211287 PMCID: PMC8241810 DOI: 10.2147/ceor.s308744] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 05/28/2021] [Indexed: 11/23/2022] Open
Abstract
Introduction Diagnosis and treatment of invasive mold infections (IMI) can be challenging and IMI is a significant source of morbidity and mortality. Invasive aspergillosis (IA) and invasive mucormycosis (IM) are two of the most common mold infections. A better understanding of patient comorbidities and risk factors that predispose IMI may help clinicians to refine the difficult diagnostic and treatment process. Methods A systematic literature review (SLR) was conducted (January 2008–October 2019) for studies reporting comorbidities/risk factors of patients with IA or IM (Phase I), followed by an analysis on the Optum® US EHR database of prominent risk factor cohorts based on SLR findings and expert opinion (Phase II). From the four identified patient cohorts: 1) patients undergoing solid organ transplant (SOT) and patients with 2) hematologic cancers, 3) diabetes, or 4) lung disease, rates of IA, IM, or concurrent IA and IM; patient comorbidities; and Charlson Comorbidity Index (CCI) scores were reported. Results The SLR included 88 studies, and 46 were used to select comorbidities/risk factors cohorts in IA and IM patients. The most important comorbidities/risk factors in IA and IM patients were diabetes, lung disease, hematological malignances, and SOT. In the Optum database (N=101,340,454 patients), IA rates were highest in lung transplant (10.81%) patients and IM rates were highest in intestine transplant (0.83%) patients, lung transplant (0.43%), and hematopoietic stem cell transplant (0.49%). CCI scores were elevated in all mold infection groups compared to the total Optum cohort. Conclusion The current study describes patient comorbidity and risk factors associated with IA and IM. These data can be used to refine clinical decision-making regarding when to suspect mold infections. Future research should focus on identifying whether patients respond differently to various antifungal treatments to determine if strategic recommendations should be made for certain patient groups.
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Mendoza-Palomar N, Soques E, Benitez-Carabante MI, Gonzalez-Amores M, Fernandez-Polo A, Renedo B, Martin MT, Soler-Palacin P, Diaz-de-Heredia C. Low-dose liposomal amphotericin B for antifungal prophylaxis in paediatric allogeneic haematopoietic stem cell transplantation. J Antimicrob Chemother 2021; 75:2264-2271. [PMID: 32335674 DOI: 10.1093/jac/dkaa149] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 03/14/2020] [Accepted: 03/25/2020] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Primary antifungal prophylaxis in paediatric allogeneic HSCT recipients is mainly based on azoles, which can have related toxicity and drug interactions. Low-dose liposomal amphotericin B (L-AmB) is an attractive intravenous alternative because of its low toxicity and lower risk of interactions. OBJECTIVES To evaluate the effectiveness and safety of L-AmB (1 mg/kg/day) for primary antifungal prophylaxis in pre-engraftment paediatric HSCT patients. PATIENTS AND METHODS Retrospective, observational study including all consecutive patients aged ≤18 years who underwent HSCT and received antifungal prophylaxis with intravenous L-AmB (1 mg/kg/day, from day -1 to 48 h before discharge) between January 2012 and December 2016. RESULTS In total, 125 HSCT procedures in 118 patients were included, median age 7.2 years (IQR 4.2-11.5). Haematological malignancies were the main underlying condition (63.6%), and 109 (87.2%) were considered at high risk for invasive fungal infection (IFI). Ten patients (7.7%), all high risk, developed breakthrough IFI (three Candida spp., seven invasive mould infections) and tended to have higher overall mortality. The only statistically significant risk factor for IFI was cytomegalovirus co-infection. Adverse events, all grade I, occurred in 25 (20%), requiring L-AmB withdrawal in one case. Overall survival at 30 days was 99.2%. At study completion, one patient had died of IFI. CONCLUSIONS The incidence of breakthrough IFI was comparable to that of previous reports, with a very low rate of significant toxicity. Thus, prophylactic L-AmB may be a safe, effective option for antifungal prophylaxis in the pre-engraftment phase for children undergoing HSCT, even those at high risk.
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Affiliation(s)
- Natalia Mendoza-Palomar
- Paediatric Infectious Diseases and Immunodeficiencies Unit, University Hospital Vall d'Hebron, Barcelona, Spain.,Vall d'Hebron Research Institute, Autonomous University of Barcelona, Barcelona, Spain
| | - Elena Soques
- Paediatric Oncology and Haematology Department, University Hospital Vall d'Hebron, Barcelona, Spain
| | | | - Miriam Gonzalez-Amores
- Paediatric Infectious Diseases and Immunodeficiencies Unit, University Hospital Vall d'Hebron, Barcelona, Spain.,Vall d'Hebron Research Institute, Autonomous University of Barcelona, Barcelona, Spain
| | - Aurora Fernandez-Polo
- Vall d'Hebron Research Institute, Autonomous University of Barcelona, Barcelona, Spain.,Pharmacy Department, University Hospital Vall d'Hebron, Barcelona, Spain
| | - Berta Renedo
- Pharmacy Department, University Hospital Vall d'Hebron, Barcelona, Spain
| | - Maria Teresa Martin
- Vall d'Hebron Research Institute, Autonomous University of Barcelona, Barcelona, Spain.,Microbiology Department, University Hospital Vall d'Hebron, Barcelona, Spain.,Autonomous University of Barcelona, Barcelona, Spain
| | - Pere Soler-Palacin
- Paediatric Infectious Diseases and Immunodeficiencies Unit, University Hospital Vall d'Hebron, Barcelona, Spain.,Vall d'Hebron Research Institute, Autonomous University of Barcelona, Barcelona, Spain.,Autonomous University of Barcelona, Barcelona, Spain
| | - Cristina Diaz-de-Heredia
- Vall d'Hebron Research Institute, Autonomous University of Barcelona, Barcelona, Spain.,Paediatric Oncology and Haematology Department, University Hospital Vall d'Hebron, Barcelona, Spain.,Autonomous University of Barcelona, Barcelona, Spain
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Renzi DF, de Almeida Campos L, Miranda EH, Mainardes RM, Abraham WR, Grigoletto DF, Khalil NM. Nanoparticles as a Tool for Broadening Antifungal Activities. Curr Med Chem 2021; 28:1841-1873. [PMID: 32223729 DOI: 10.2174/0929867327666200330143338] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/28/2020] [Accepted: 03/09/2020] [Indexed: 11/22/2022]
Abstract
Fungal infections are diseases that are considered neglected although their infection rates have increased worldwide in the last decades. Thus, since the antifungal arsenal is restricted and many strains have shown resistance, new therapeutic alternatives are necessary. Nanoparticles are considered important alternatives to promote drug delivery. In this sense, the objective of the present study was to evaluate the contributions of newly developed nanoparticles to the treatment of fungal infections. Studies have shown that nanoparticles generally improve the biopharmaceutical and pharmacokinetic characteristics of antifungals, which is reflected in a greater pharmacodynamic potential and lower toxicity, as well as the possibility of prolonged action. It also offers the proposition of new routes of administration. Nanotechnology is known to contribute to a new drug delivery system, not only for the control of infectious diseases but for various other diseases as well. In recent years, several studies have emphasized its application in infectious diseases, presenting better alternatives for the treatment of fungal infections.
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Affiliation(s)
- Daniele Fernanda Renzi
- Pharmaceutical Nanotechnology Laboratory, Universidade Estadual do Centro-Oeste, Alameda Élio Antonio Dalla Vecchia, 838 - CEP 85040-167, Guarapuava-PR, Brazil
| | - Laís de Almeida Campos
- Pharmaceutical Nanotechnology Laboratory, Universidade Estadual do Centro-Oeste, Alameda Élio Antonio Dalla Vecchia, 838 - CEP 85040-167, Guarapuava-PR, Brazil
| | - Eduardo Hösel Miranda
- Pharmaceutical Nanotechnology Laboratory, Universidade Estadual do Centro-Oeste, Alameda Élio Antonio Dalla Vecchia, 838 - CEP 85040-167, Guarapuava-PR, Brazil
| | - Rubiana Mara Mainardes
- Pharmaceutical Nanotechnology Laboratory, Universidade Estadual do Centro-Oeste, Alameda Élio Antonio Dalla Vecchia, 838 - CEP 85040-167, Guarapuava-PR, Brazil
| | - Wolf-Rainer Abraham
- Helmholtz Center for Infection Research, Chemical Microbiology, Inhoffenstraße 7, 38124 Braunschweig, Germany
| | - Diana Fortkamp Grigoletto
- Pharmaceutical Nanotechnology Laboratory, Universidade Estadual do Centro-Oeste, Alameda Élio Antonio Dalla Vecchia, 838 - CEP 85040-167, Guarapuava-PR, Brazil
| | - Najeh Maissar Khalil
- Pharmaceutical Nanotechnology Laboratory, Universidade Estadual do Centro-Oeste, Alameda Élio Antonio Dalla Vecchia, 838 - CEP 85040-167, Guarapuava-PR, Brazil
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11
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Sun Y, Hu J, Huang H, Chen J, Li J, Ma J, Li J, Liang Y, Wang J, Li Y, Yu K, Hu J, Jin J, Wang C, Wu D, Xiao Y, Huang X. Clinical risk score for predicting invasive fungal disease after allogeneic hematopoietic stem cell transplantation: Analysis of the China Assessment of Antifungal Therapy in Hematological Diseases (CAESAR) study. Transpl Infect Dis 2021; 23:e13611. [PMID: 33825274 DOI: 10.1111/tid.13611] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 01/03/2021] [Accepted: 03/28/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVE Invasive fungal disease (IFD) is associated with a high mortality for patients with hematological malignancies undergoing allogeneic hematopoietic stem cell transplantation (allo-HSCT). This study aimed not only to develop a proven/probable IFD risk-scoring model but to identify high-risk populations that would benefit from anti-fungal prophylaxis. METHODS Data from the China Assessment of Antifungal Therapy in Hematological Diseases (CAESAR) study were retrieved, and all patients (n = 1053) undergoing allo-HSCT were randomly divided into the training set (n = 685) for model development and the validation set (n = 368) for model verification. A weighted risk score for proven or probable IFD was established through multivariate logistic regression analysis. RESULTS The study population had a mean age of 28.95 years and the majority underwent myeloablative transplantation in complete remission 1 (53.4%). Five risk factors of IFD were identified, namely neutropenia lasting longer than 14 days, corticosteroid use, diabetes, haploidentical donor, and unrelated donor. Based on the risk score for IFD, the patients were categorized into three groups: low risk (score 0-4, 1.5%-4.0%), intermediate risk (score 5-8, 9.8%), and high risk (score>8, 24.7%-14.0%). Anti-fungal prophylaxis may provide benefits for patients with intermediate (8.5% vs. 18.5%, P = .0085) or high risk (19.4% vs. 30.8%, P = .4651) but not low risk (2.1% vs. 3.8%, P = .6136) of IFD. CONCLUSION A practical weighted risk score for IFD in patients receiving allo-HSCT was established, which can aid decision-making regarding the administration of anti-fungal prophylaxis.
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Affiliation(s)
- Yuqian Sun
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Peking University Institute of Hematology, Peking University, People's Hospital, Beijing, People's Republic of China
| | - Jiong Hu
- Blood and Marrow Transplantation Center, Department of Hematology, Collaborative Innovation Center of Hematology, Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - He Huang
- The First Affiliated Hospital of Medical School of Zhejiang University, Hangzhou, People's Republic of China
| | - Jing Chen
- Department of Hematology and Oncology, Shanghai Children's Medical Center, Shanghai, People's Republic of China
| | - Jianyong Li
- Jiangsu Province Hospital, Nanjing, People's Republic of China
| | - Jun Ma
- Harbin Hematologic Tumor Institution, Harbin, People's Republic of China
| | - Juan Li
- The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China
| | - Yingmin Liang
- Tangdu Hospital, Fourth Military Medical University, Xi'an, People's Republic of China
| | - Jianmin Wang
- Changhai Hospital of the Second Military Medical University, Shanghai, People's Republic of China
| | - Yan Li
- The First Affiliated Hospital of China Medical University, Shengyang, People's Republic of China
| | - Kang Yu
- The First Affiliated Hospital of Wenzhou Medical College, Wenzhou, People's Republic of China
| | - Jianda Hu
- Fujian Medical University Union Hospital, Fuzhou, People's Republic of China
| | - Jie Jin
- The First Affiliated Hospital of Medical School of Zhejiang University, Hangzhou, People's Republic of China
| | - Chun Wang
- The First People's Hospital of Shanghai, Shanghai, People's Republic of China
| | - Depei Wu
- The First Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
| | - Yang Xiao
- The General Hospital of Guangzhou Military Command of PLA, Guangzhou, People's Republic of China
| | - Xiaojun Huang
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Peking University Institute of Hematology, Peking University, People's Hospital, Beijing, People's Republic of China
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12
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Tanpaibule T, Jinawath N, Taweewongsounton A, Niparuck P, Rotjanapan P. Genetic Risk Surveillance for Invasive Aspergillosis in Hematology Patients: A Prospective Observational Study. Infect Dis Ther 2020; 9:807-821. [PMID: 32860206 PMCID: PMC7680473 DOI: 10.1007/s40121-020-00331-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Indexed: 11/24/2022] Open
Abstract
INTRODUCTION The association between genetic background and the risk of invasive aspergillosis (IA) has not been addressed in Thailand. We conducted genetic risk surveillance for IA among Thai hematologic patients. METHODS We conducted a prospective observational cohort study including moderate- to high-risk hematology patients at Ramathibodi Hospital. IA occurrence, relevant clinical data, and genetic analyses were assessed. Odds ratios (ORs) of IA were assessed for the presence of the selected single nucleotide polymorphism genotype using logistic regression. RESULTS A total of 357 patients were enrolled. The most common hematologic disease was non-Hodgkin lymphoma (45.1%). IA was diagnosed in 36 patients (10.10%). The C allele of IL10rs1800896 was associated with an increased risk of IA (adjusted OR 5.297; 95% confidence interval [CI] 2.032-13.809, p = 0.001). In multivariate Cox regression analysis, prolonged neutropenia and the C allele of IL10rs1800896 were associated with IA (hazard ratio [HR] 12.585; 95% CI 3.866-40.967, p < 0.001 and HR 2.449; 95% CI 1.097-5.468, p = 0.042, respectively). CONCLUSIONS Carrying the C allele of IL10rs1800896 was associated with an increased risk of IA among moderate- to high-risk Thai patients with hematologic diseases. This finding can potentially lead to a novel risk stratification scheme to further prevent IA in resource-limited settings.
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Affiliation(s)
- Tananun Tanpaibule
- Division of Infectious Diseases, Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Natini Jinawath
- Program in Translational Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Integrative Computational BioScience Center (ICBS), Mahidol University, Nakhon Pathom, Thailand
| | | | - Pimjai Niparuck
- Division of Hematology, Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Porpon Rotjanapan
- Division of Infectious Diseases, Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
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13
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Zhao C, Wang Q, Wang Y, Yan CH, Xu LP, Zhang XH, Liu KY, Huang XJ, Sun YQ. [Non-aspergillus molds infection after allogeneic stem cell transplantation: clinical analysis of 24 cases and outcomes]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2020; 41:624-629. [PMID: 32942814 PMCID: PMC7525166 DOI: 10.3760/cma.j.issn.0253-2727.2020.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Indexed: 11/13/2022]
Abstract
Objective: To analyze the clinical characteristics and outcomes of non-aspergillus molds infection (NAMI) patients who underwent allogeneic stem cell transplantation. Methods: Total 24 patients diagnosed as proven or probable non-aspergillus molds infection after allo-HSCT at the Peking University Institute of Hematology from January 2010 to December 2016 were retrospectively reviewed. Results: Among the 24 non-aspergillus molds infection patients, 22 (91.6%) underwent haploidentical stem cell transplantation, while 1 (4.2%) underwent matched-sibling donor transplantation, and 1 (4.2%) underwent HLA-matched unrelated donor transplantation. Ten (41.7%) patients were diagnosed as proven NAMI, and 14 (58.3%) were probable NAMI. The median time to NAMI diagnosis was 188 (2-856) d after transplantation. Five (20.8%) patients had Mucorales infection, 14 (58.3%) Rhizopus infection, 3 (12.5%) had Absidia orchidis infection, and 2 (8.3%) had Scedosporium apiospermum infection. The response rate at was 38.9% (7/18) in 18 patients who adjusted antifungal therapy based on the etiology. After a median 229 (2-2280) days follow-up after diagnosis, the 2-year overall survival was (24.0±14.5) %. Conclusion: The major pathogen of NAMI after allo-HSCT was Rhizopus, and the mortality of NAMI after allo-HSCT was very high due to lack of early effective therapy.
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Affiliation(s)
- C Zhao
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Q Wang
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing 100044, China
| | - Y Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - C H Yan
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - L P Xu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - X H Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - K Y Liu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - X J Huang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y Q Sun
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
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14
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Yeast Engineering for New Antifungal Compounds: A Contextualized Overview. Fungal Biol 2020. [DOI: 10.1007/978-3-030-41870-0_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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15
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Espinoza N, Galdames J, Navea D, Farfán MJ, Salas C. Frequency of the CYP2C19*17 polymorphism in a Chilean population and its effect on voriconazole plasma concentration in immunocompromised children. Sci Rep 2019; 9:8863. [PMID: 31222084 PMCID: PMC6586657 DOI: 10.1038/s41598-019-45345-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 06/03/2019] [Indexed: 11/09/2022] Open
Abstract
Invasive fungal infections (IFIs) are the most frequent cause of morbidity and mortality in immunocompromised children. Voriconazole is the first-line antifungal choice in the treatment of IFIs like aspergillosis. Voriconazole pharmacokinetics vary widely among patients and voriconazole is metabolized mainly in the liver by the CYP2C19 enzyme, which is highly polymorphic. The CYP2C19*17 allele is characterized by the presence of four single nucleotide polymorphisms expressing an ultra-rapid enzyme phenotype with an accelerated voriconazole metabolism, is associated with low (sub-therapeutic) plasma levels in patients treated with the standard dose. Considering that in our center a high percentage of children have sub-therapeutic levels of voriconazole when treated with standard doses, we sought to determine the frequency of the CYP2C19*17 polymorphism (rs12248560) in a Chilean population and determine the association between voriconazole concentrations and the rs12248560 variant in immunocompromised children. First, we evaluated the frequency of the rs12248560 variant in a group of 232 healthy Chilean children, and we found that 180 children (77.6%) were non-carriers of the rs12248560 variant, 49 children (21.1%) were heterozygous carriers for rs12248560 variant and only 3 children (1.3%) were homozygous carriers for rs12248560 variant, obtaining an allelic frequency of 12% for variant in a Chilean population. To determine the association between voriconazole concentrations and the rs12248560 variant, we analyzed voriconazole plasma concentrations in a second group of 33 children treated with voriconazole. In these patients, carriers of the rs12248560 variant presented significantly lower voriconazole plasma concentrations than non-carriers (p = 0,011). In this study, we show the presence of the rs12248560 variant in a Chilean population and its accelerating effect on the pharmacokinetics of voriconazole in pediatric patients. From these data, it would be advisable to consider the variant of the patient prior to calculating the dosage of voriconazole.
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Affiliation(s)
- N Espinoza
- Laboratorio Clínico, Hospital Dr. Luis Calvo Mackenna, Santiago, Chile
| | - J Galdames
- Laboratorio Clínico, Hospital Dr. Luis Calvo Mackenna, Santiago, Chile
| | - D Navea
- Laboratorio Clínico, Hospital Dr. Luis Calvo Mackenna, Santiago, Chile
| | - M J Farfán
- Laboratorio Clínico, Hospital Dr. Luis Calvo Mackenna, Santiago, Chile. .,Departamento de Pediatría y Cirugía Infantil, Campus Oriente, Hospital Dr. Luis Calvo Mackenna, Facultad de Medicina, Universidad de Chile, Santiago, Chile.
| | - C Salas
- Laboratorio Clínico, Hospital Dr. Luis Calvo Mackenna, Santiago, Chile.
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16
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Lewalle P, Pochon C, Michallet M, Turlure P, Brissot E, Paillard C, Puyade M, Roth-Guepin G, Yakoub-Agha I, Chantepie S. [Prophylaxis of infections post-allogeneic transplantation: Guidelines from the Francophone Society of Bone Marrow Transplantation and Cellular Therapy (SFGM-TC)]. Bull Cancer 2019; 106:S23-S34. [PMID: 30616839 DOI: 10.1016/j.bulcan.2018.08.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 07/19/2018] [Accepted: 08/27/2018] [Indexed: 02/07/2023]
Abstract
Allogeneic hematopoietic stem cell transplantation is a curative treatment for many hematological diseases. However, this procedure causes the patient to be susceptible to infection. Prophylactic treatments are administered in clinical practice even thought the level of evidence of their effectiveness is not always high. In addition, changes in the transplantation procedures - use of reduced intensity conditioning, development of alternative graft sources - must lead to a rethinking of attitudes towards prophylaxis. Our working group based its recommendations on a review of referential articles and publications on the subject found in the literature. These recommendations concern the prophylaxis of infections caused by HSV1, HSV2, varicella zoster, and hepatitis B, as well as anti-bacterial and digestive decontamination prophylaxis, prevention of pneumocystis, toxoplasmosis, tuberculosis, as well as prophylaxis of fungal infections. Other infectious agents usually involved in infections post-allotransplant have been the subject of another set of recommendations from the French Society of Bone Marrow Transplantation and Cellular Therapy.
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Affiliation(s)
- Philippe Lewalle
- Institut Jules-Bordet, université Libre-de-Bruxelles, service d'hématologie, 1, rue Héger-Bordet, 1000 Bruxelles, Belgique
| | - Cécile Pochon
- CHU de Nancy, service d'onco-hématologie pédiatrique, rue du Morvan, 54511 Vandoeuvre-lès-Nancy, France
| | | | - Pascal Turlure
- Centre hospitalier universitaire, service d'hématologie, 87042 Limoges, France
| | - Eolia Brissot
- Assistance publique des hôpitaux de Paris (AP-HP), hôpital Saint-Antoine, département d'hématologie, 75012 Paris, France
| | | | - Mathieu Puyade
- CHU de Poitiers, service de médecine interne, unité d'hospitalisation d'aval, 2, rue de la Milétrie, 86021 Poitiers cedex, France
| | | | - Ibrahim Yakoub-Agha
- CHRU de Lille, service des maladies du sang, 2, avenue Oscar-Lambret, 59037 Lille cedex, France; Université de Lille 2, LIRIC, Inserm U995, 59000 Lille, France
| | - Sylvain Chantepie
- Institut d'hématologie de Basse-Normandie, centre hospitalier universitaire, avenue de la Côte-de-Nacre, 14000 Caen, France.
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17
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Thunström Salzer A, Niemiec MJ, Hosseinzadeh A, Stylianou M, Åström F, Röhm M, Ahlm C, Wahlin A, Ermert D, Urban CF. Assessment of Neutrophil Chemotaxis Upon G-CSF Treatment of Healthy Stem Cell Donors and in Allogeneic Transplant Recipients. Front Immunol 2018; 9:1968. [PMID: 30254629 PMCID: PMC6141688 DOI: 10.3389/fimmu.2018.01968] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 08/10/2018] [Indexed: 12/15/2022] Open
Abstract
Neutrophils are crucial for the human innate immunity and constitute the majority of leukocytes in circulation. Thus, blood neutrophil counts serve as a measure for the immune system's functionality. Hematological patients often have low neutrophil counts due to disease or chemotherapy. To increase neutrophil counts and thereby preventing infections in high-risk patients, recombinant G-CSF is widely used as adjunct therapy to stimulate the maturation of neutrophils. In addition, G-CSF is utilized to recruit stem cells (SCs) into the peripheral blood of SC donors. Still, the actual functionality of neutrophils resulting from G-CSF treatment remains insufficiently understood. We tested the ex vivo functionality of neutrophils isolated from blood of G-CSF-treated healthy SC donors. We quantified chemotaxis, oxidative burst, and phagocytosis before and after treatment and detected significantly reduced chemotactic activity upon G-CSF treatment. Similarly, in vitro treatment of previously untreated neutrophils with G-CSF led to reduced chemotactic activity. In addition, we revealed that this effect persists in the allogeneic SC recipients up to 4 weeks after neutrophil engraftment. Our data indicates that neutrophil quantity, as a sole measure of immunocompetence in high-risk patients should be considered cautiously as neutrophil functionality might be affected by the primary treatment.
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Affiliation(s)
- Anna Thunström Salzer
- Department of Radiation Sciences, University of Umeå, Umeå, Sweden.,Department of Clinical Microbiology & Laboratory of Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Maria J Niemiec
- Department of Clinical Microbiology & Laboratory of Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Ava Hosseinzadeh
- Department of Clinical Microbiology & Laboratory of Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Marios Stylianou
- Department of Clinical Microbiology & Laboratory of Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Fredrik Åström
- Department of Radiation Sciences, University of Umeå, Umeå, Sweden
| | - Marc Röhm
- Department of Clinical Microbiology & Laboratory of Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Clas Ahlm
- Department of Clinical Microbiology & Laboratory of Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Anders Wahlin
- Department of Radiation Sciences, University of Umeå, Umeå, Sweden
| | - David Ermert
- Department of Clinical Microbiology & Laboratory of Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Constantin F Urban
- Department of Clinical Microbiology & Laboratory of Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
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18
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Harricharan S, Biederman K, Bombassaro AM, Lazo-Langner A, Elsayed S, Fulford A, Delport JA, Xenocostas A. Adherence to, and outcomes of, a galactomannan screening protocol in high-risk hematology patients. ACTA ACUST UNITED AC 2018; 25:e139-e145. [PMID: 29719438 DOI: 10.3747/co.25.3848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background A twice-weekly galactomannan (gm) screening protocol was implemented in high-risk hematology inpatients. Study objectives were to determine adherence to the protocol, use of selected resources, and patient outcomes. Methods This retrospective cohort study compared outcomes of interest before and after implementation of gm screening. Adults undergoing matched related allogeneic hematopoietic stem-cell transplantation or induction chemotherapy for acute leukemia were eligible. Patients could be enrolled more than once and were evaluated as episodes. Adherence to the gm protocol was assessed in post-implementation episodes. Use of broad-spectrum antifungals (bsafs), consultations (infectious diseases, respirology), and diagnostic procedures (computed tomography imaging, bronchoalveolar lavage) were compared between phases, as were the patient outcomes of all-cause mortality and clinical success (alive and not taking a bsaf). Results Of 182 episodes consecutively screened, 70 per phase were enrolled. Clinical characteristics and duration of assessment were similar for the phases. Full or partial adherence to the protocol was observed in 61 post-implementation episodes (87%), with full adherence in 40 episodes (57%). More episodes in the pre-implementation phase than in the post-implementation phase involved receipt of bsafs, consultations, and diagnostics (27% vs. 7%, p = 0.02; 46% vs. 26%, p = 0.014; and 46% vs. 31%, p = 0.083 respectively). Although mortality was similar in the two phases, clinical success at the final assessment was observed in fewer pre-implementation than post-implementation episodes (79% vs. 98%, p < 0.001). Conclusions Implementation of a gm screening protocol was feasible and associated with significantly fewer episodes involving receipt of bsafs and consultations, and with significantly more episodes showing clinical success.
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Affiliation(s)
- S Harricharan
- Canadian Agency for Drugs and Technologies in Health, Toronto, ON
| | - K Biederman
- Pharmacy Services, London Health Sciences Centre, London, ON
| | - A M Bombassaro
- Pharmacy Services, London Health Sciences Centre, London, ON.,Department of Medicine, Schulich School of Medicine and Dentistry, Western University, London, ON
| | - A Lazo-Langner
- Department of Medicine, Division of Hematology, Schulich School of Medicine and Dentistry, Western University, London, ON.,Department of Epidemiology and Biostatistics, Schulich School of Medicine and Dentistry, Western University, London, ON
| | - S Elsayed
- Department of Medicine, Division of Infectious Diseases, Schulich School of Medicine and Dentistry, Western University, London, ON.,Department of Pathology and Laboratory Medicine, Schulich School of Medicine and Dentistry, Western University, London, ON
| | - A Fulford
- Arthur Labatt Family School of Nursing, Western University, London, ON
| | - J A Delport
- Department of Pathology and Laboratory Medicine, Schulich School of Medicine and Dentistry, Western University, London, ON.,Department of Microbiology and Immunology, Schulich School of Medicine and Dentistry, Western University, London, ON
| | - A Xenocostas
- Department of Medicine, Division of Hematology, Schulich School of Medicine and Dentistry, Western University, London, ON
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