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Anidulafungin

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https://www.readbyqxmd.com/read/28493006/activity-of-combined-antifungal-agents-against-multidrug-resistant-candida-glabrata-strains
#1
Laura Bedin Denardi, Jéssica Tairine Keller, Vanessa Oliveira, Débora Alves Nunes Mario, Janio Morais Santurio, Sydney Hartz Alves
In this study, we evaluated the in vitro activity of echinocandins, azoles, and amphotericin B alone and in combination against echinocandin/azole-sensitive and echinocandin/azole-resistant Candida glabrata isolates. Susceptibility tests were performed using the broth microdilution method in accordance with the Clinical and Laboratory Standards Institute document M27-A3. The checkerboard method was used to evaluate the fractional inhibitory concentration index of the interactions. Cross-resistance was observed among echinocandins; 15% of the isolates resistant to caspofungin were also resistant to anidulafungin and micafungin...
May 10, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28480239/safety-and-efficacy-of-anidulafungin-for-fungal-infection-in-patients-with-liver-dysfunction-or-multiorgan-failure
#2
Anita Verma, Georg Auzinger, Michal Kantecki, James Campling, Dean Spurden, Fran Percival, Nigel Heaton
BACKGROUND: The objective of this study was to review our clinical experience on the safety and efficacy of anidulafungin, an echinocandin antifungal, in the treatment of invasive fungal infections (IFIs) in patients with moderate to severe abnormal liver function tests or multiorgan failure and IFI, in a large United Kingdom Liver Centre. METHODS: The clinical records of the first 50 consecutive patients treated for IFI with anidulafungin between January 7, 2009 and March 2, 2011 were analyzed...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28478968/an-unusual-case-of-urinary-tract-infection-caused-by-saprochaete-capitata-under-anidulafungin-treatment
#3
G Hazirolan, A Aypak, N Aksu
Saprochaete capitata may cause uncommon severe infections, especially in immunocompromised patients. Here, we describe a rare case of urinary tract infection by S. capitata in a chronic kidney disease and diabetes mellitus patient, which occur during anidulafungin therapy. Mycological examinations of urine were positive to S. capitata identified by mass spectrometry and confirmed by ITS sequencing. Minimum inhibitory concentration (MIC) of the isolate for amphotericin B, fluconazole, itraconazole, voriconazole and, anidulafungin were 2, 16, 1, 1, and 8μg/mL, respectively...
May 3, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28473992/hepatotoxicity-of-antimycotics-used-for-invasive-fungal-infections-in-vitro-results
#4
Sandra Doß, Heike Potschka, Fanny Doß, Steffen Mitzner, Martin Sauer
Purpose. Drug-induced liver injury (DILI) is the most common cause of liver injury and a serious clinical problem; antimycotics are involved in approximately 3% of all DILI cases. The hepatotoxicity of many drugs, including the antimycotics, is poorly screened in human models. Methods. In a standardized assay the cytotoxicity on hepatocytes of different concentrations (Cmax, 5x Cmax, and 10x Cmax) of the antimycotics used for systemic infections was tested. Anidulafungin (ANI), liposomal amphotericerin B (L-AmB), caspofungin (CASPO), fluconazole (FLUCO), and voriconazole (VORI) were incubated with HepG2/C3A cells...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28459966/efficacy-of-anidulafungin-in-539-patients-with-invasive-candidiasis-a-patient-level-pooled-analysis-of-six-clinical-trials
#5
Bart Jan Kullberg, José Vasquez, Piroon Mootsikapun, Marcio Nucci, José-Artur Paiva, Jorge Garbino, Jean Li Yan, Jalal Aram, Maria Rita Capparella, Umberto Conte, Haran Schlamm, Robert Swanson, Raoul Herbrecht
Objectives: To evaluate the efficacy of anidulafungin for the treatment of candidaemia and invasive candidiasis in a large dataset, including patients with deep-seated tissue candidiasis, neutropenia and infection due to non- albicans Candida species. Methods: Data were pooled from six prospective, multicentre, multinational studies: four open-label, non-comparative studies of anidulafungin and two double-blind, double-dummy, randomized studies of anidulafungin versus caspofungin (clinical trial registrations: NCT00496197, NCT00548262, NCT00537329, NCT00689338, NCT00806351 and NCT00805740; ClinicalTrials...
April 28, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28456868/comparative-pathogenicity-of-lomentospora-prolificans-scedosporium-prolificans-isolates-from-mexican-patients
#6
Mariana Elizondo-Zertuche, Alexandra M Montoya, Efrén Robledo-Leal, Idalia Garza-Veloz, Ana L Sánchez-Núñez, Raquel Ballesteros-Elizondo, Gloria M González
We identified 11 Lomentospora prolificans isolates recovered from Mexican patients using phenotypic and molecular characteristics. The identification of isolates was assessed by internal transcribed spacer (ITS rDNA) sequencing. In vitro susceptibility to amphotericin B, fluconazole, voriconazole, posaconazole, caspofungin, anidulafungin and micafungin was determined according to Clinical and Laboratory Standards Institute (CLSI) procedures. Three isolates (07-2239, 11-2242 and 04-2673) were used to induce systemic infection in immunocompetent ICR mice...
April 29, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28448888/isolation-identification-and-characterization-of-potential-impurities-of-anidulafungin
#7
Lanning Zhao, Qilong Wang, Yi Bie, Xiaoxia Lu
Eight impurities ranging from 0.03 to 0.97% in anidulafungin bulk drug were detected by HPLC. Four impurities (Imp-I, Imp-II, Imp-III and Imp-VIII) among impurities were isolated from the self-prepared or marketed samples of anidulafungin bulk drug by means of preparative HPLC. A thorough study was undertaken to characterize these impurities and based on 1D ((1)H, (13)C, H-D, DEPT 90 and 135) and 2D (COSY, TOCSY, HSQC, HMBC) NMR and ESI-MS spectral data. Based on the characterization data, Imp-I was found to be known open-chain hydrolysis product formed during the synthesis and degradation...
April 17, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28438935/candida-guilliermondii-complex-is-characterized-by-high-antifungal-resistance-but-low-mortality-a-report-on-22-cases-of-candidemia
#8
Laura Judith Marcos-Zambrano, Mireia Puig-Asensio, Felipe Pérez-García, Pilar Escribano, Carlos Sánchez-Carrillo, Oscar Zaragoza, Belén Padilla, Manuel Cuenca-Estrella, Benito Almirante, M Teresa Martin-Gómez, Patricia Muñoz, Emilio Bouza, Jesús Guinea
Objectives: The objectives of our study were to describe the characteristics of patients infected with C. guilliermondii candidemia and to perform an in-depth microbiological characterization of isolates and compare them with those of patients with C. albicans candidemia.Methods: We described the risk factors and outcome of 22 patients with candidemia caused by C. guilliermondii complex. Incident isolates were identified using molecular techniques, and susceptibility to fluconazole, anidulafungin and micafungin was studied...
April 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28437176/echinocandins-in-ocular-therapeutics
#9
Akash Patil, Soumyajit Majumdar
Fungal infections of the eye, especially fungal keratitis and endophthalmitis, are major causes of concern and if left untreated could lead to vision loss. Currently, natamycin (polyene antifungal) is the only commercially available topical agent used for the treatment of ocular fungal infections. The other antifungals, belonging to the polyene and azole classes, are used off-label in treating ocular infections and are administered topically, orally, intraocularly, or systemically. Even though their use through the different routes of administration has shown favorable outcomes, challenges such as poor ocular penetration, low bioavailability, ocular toxicity, and systemic side effects limit their utility...
February 24, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28419092/a-multi-centric-study-of-candida-bloodstream-infection-in-lima-callao-peru-species-distribution-antifungal-resistance-and-clinical-outcomes
#10
Lourdes Rodriguez, Beatriz Bustamante, Luz Huaroto, Cecilia Agurto, Ricardo Illescas, Rafael Ramirez, Alberto Diaz, Jose Hidalgo
BACKGROUND: The incidence of candidemia is increasing in developing countries. Very little is known about the epidemiology of candidemia in Peru. The aim of this study is to describe the incidence, microbiology, clinical presentation and outcomes of Candida bloodstream infections in three Lima-Callao hospitals. METHODS: Candida spp. isolates were identified prospectively at participant hospitals between November 2013 and January 2015. Susceptibility testing for amphotericin B, fluconazole, posaconazole, voriconazole and anidulafungin was performed using broth microdilution method...
2017: PloS One
https://www.readbyqxmd.com/read/28416539/candida-auris-comparison-of-the-eucast-and-clsi-reference-microdilution-mics-for-eight-antifungal-compounds-and-associated-tentative-ecoffs
#11
M C Arendrup, Anupam Prakash, Joseph Meletiadis, Cheshta Sharma, Anuradha Chowdhary
C. auris is an emerging multidrug-resistant yeast. So far, all but two susceptibility testing studies have examined ≤50 isolates and mostly with the CLSI method. We investigated CLSI and EUCAST MICs for 123 C. auris isolates and eight antifungals and evaluated various methods for ECOFF determination.MICs (mg/L) were determined using CLSI M27-A3 and EUCAST E.Def 7.3. ANOVA analysis with Bonferroni's multiple comparison test and Pearson analysis were used on log2MICs (significant, p<0.05). The percent agreement (±0->2 two-fold dilutions) between the methods was calculated...
April 17, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28365835/paecilomyces-variotii-fungemia-in-a-patient-with-lymphoma-needing-liver-transplant
#12
A P Bellanger, J P Cervoni, J F Faucher, D Weil-Verhoeven, M Ginet, E Deconinck, F Grenouillet
Paecilomyces sp. are emerging pathogens in immunocompromised patients. We report here a case of Paecilomyces variotii fungemia, cured with amphotericin and anidulafungin, illustrating difficulties of early diagnosis and therapeutic choice in such rare fungal infection.
April 1, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28364558/changing-epidemiology-of-candidaemia-in-australia
#13
Belinda Chapman, Monica Slavin, Debbie Marriott, Catriona Halliday, Sarah Kidd, Ian Arthur, Narin Bak, Christopher H Heath, Karina Kennedy, C Orla Morrissey, Tania C Sorrell, Sebastian van Hal, Caitlin Keighley, Emma Goeman, Neil Underwood, Krispin Hajkowicz, Ann Hofmeyr, Michael Leung, Nenad Macesic, Jeannie Botes, Christopher Blyth, Louise Cooley, C Robert George, Pankaja Kalukottege, Alison Kesson, Brendan McMullan, Robert Baird, Jennifer Robson, Tony M Korman, Stella Pendle, Kerry Weeks, Eunice Liu, Elaine Cheong, Sharon Chen
Objectives: Knowledge of contemporary epidemiology of candidaemia is essential. We aimed to identify changes since 2004 in incidence, species epidemiology and antifungal susceptibilities of Candida spp. causing candidaemia in Australia. Methods: These data were collected from nationwide active laboratory-based surveillance for candidaemia over 1 year (within 2014-2015). Isolate identification was by MALDI-TOF MS supplemented by DNA sequencing. Antifungal susceptibility testing was performed using Sensititre YeastOne™...
April 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28356416/in-vitro-antifungal-susceptibility-of-the-yeast-and-mould-phases-of-the-dimorphic-fungal-pathogen-emergomyces-africanus-formerly-emmonsia-species-from-hiv-infected-south-african-patients
#14
Tsidiso G Maphanga, Erika Britz, Thokozile G Zulu, Ruth S Mpembe, Serisha D Naicker, Ilan S Schwartz, Nelesh P Govender
Introduction: Disseminated emmonsiosis is an important AIDS-related mycosis in South Africa caused by Emergomyces africanus, a newly-described and -renamed dimorphic fungal pathogen. In vitro antifungal susceptibility data can guide management.Materials and Methods: Identification of invasive clinical isolates was confirmed phenotypically and by sequencing the internal transcribed spacer region. Yeast and mould-phase MICs for fluconazole, voriconazole, itraconazole, posaconazole, caspofungin, anidulafungin, micafungin and flucytosine were determined using custom-made frozen broth microdilution (BMD) panels, as per Clinical and Laboratory Standards Institute recommendations...
March 29, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28355467/new-pharmacological-opportunities-for-the-treatment-of-invasive-mould-diseases
#15
Marie-Pierre Ledoux, Elise Toussaint, Julie Denis, Raoul Herbrecht
Recently, several randomized studies have been published that will shape treatment decisions in the prevention and management of invasive mould infections. Liposomal amphotericin B is an option for empirical or targeted treatment of invasive aspergillosis or mucormycosis, but for prophylaxis therapy, the triazole class now predominates. The triazole voriconazole is currently regarded as a drug of choice for the treatment of proven or probable invasive aspergillosis, and has shown significantly higher response rates than amphotericin B deoxycholate in this setting, with fewer severe drug-related adverse events...
March 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28330883/comparative-evaluation-of-sensititre-yeastone%C3%A2-and-clsi-m38-a2-reference-method-for-antifungal-susceptibility-testing-of-aspergillus-spp-against-echinocandins
#16
Maria Siopi, Spyros Pournaras, Joseph Meletiadis
Sensititre YeastOne® (YO) panels were assessed for in vitro susceptibility testing of echinocandins against 39 isolates of A. fumigatus, A. flavus and A. terreus, including two echinocandin-resistant A. fumigatus, using different inocula (10(3), 10(4) and 10(5) cfu/mL), incubation times (16-48h) and endpoints (first blue or purple) and compared with CLSI M38-A2. The best agreement was found with inoculum of 10(4) cfu/mL, incubation time of 20h for A. flavus and 30h for A. fumigatus and A. terreus and reading the first purple well...
March 22, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28264849/genetic-diversity-and-in-vitro-antifungal-susceptibility-of-200-clinical-and-environmental-aspergillus-flavus-isolates
#17
Mojtaba Taghizadeh-Armaki, Mohammad Taghi Hedayati, Saham Ansari, Saeed Mahdavi Omran, Sasan Saber, Haleh Rafati, Jan Zoll, Henrich A van der Lee, Willem J G Melchers, Paul E Verweij, Seyedmojtaba Seyedmousavi
Aspergillus flavus has been frequently reported as the leading cause of invasive aspergillosis in certain tropical and subtropical countries. Two hundred A. flavus strains originating from clinical and environmental sources and collected between 2008 and 2015 were phylogenetically identified at the species level by analyzing partial β-tubulin and calmodulin genes. In vitro antifungal susceptibility testing was performed against antifungals using the European Committee on Antimicrobial Susceptibility Testing (EUCAST) broth microdilution method...
May 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28257903/does-a-triple-combination-have-better-activity-than-double-combinations-against-multiresistant-fungi-experimental-in-vitro-evaluation
#18
Adela Martin-Vicente, Josep Guarro, Javier Capilla
In this study, the in vitro interactions of amphotericin B (AmB), voriconazole (VRC) and anidulafungin (AFG) in double and triple combinations against four species of multiresistant fungi (Fusarium solani, Lomentospora prolificans, Scopulariopsis brevicaulis and Scopulariopsis brumptii) were evaluated. In general, AmB combined with AFG was the most synergistic, especially against F. solani (7/8; 87.5%) when low concentrations of AmB were used, i.e. 0.125-0.5 µg/mL. The least active combination was AmB + VRC, with the lowest percentage of synergy against S...
April 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28180946/new-developments-and-directions-in-the-clinical-application-of-the-echinocandins
#19
REVIEW
C C Chang, M A Slavin, S C-A Chen
The echinocandins-caspofungin, anidulafungin and micafungin-are semi-synthetic cyclic hexapeptide antimicrobial agents with modified N-linked acyl lipid side chains which anchor the compounds to the phospholipid bilayer of the fungal cell membrane, thereby inhibiting synthesis of fungal cell wall glucan. Over the last 10 years, echinocandins have become the first-line antifungal treatment of candidaemia and other forms of invasive candidiasis (IC). Echinocandins are generally well tolerated, but their use is limited by their requirement for daily intravenous dosing, lack of oral formulation and limited spectrum...
February 8, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28150341/invasive-infections-due-to-saprochaete-and-geotrichum-species-report-of-23-cases-from-the-fungiscope-registry
#20
Luisa Durán Graeff, Danila Seidel, Maria J G T Vehreschild, Axel Hamprecht, Anupma Kindo, Zdenek Racil, Judit Demeter, Sybren De Hoog, Ute Aurbach, Maren Ziegler, Hilmar Wisplinghoff, Oliver A Cornely
Saprochaete and Geotrichum spp. are rare emerging fungi causing invasive fungal diseases in immunosuppressed patients and scarce evidence is available for treatment decisions. Among 505 cases of rare IFD from the FungiScope(™) registry, we identified 23 cases of invasive infections caused by these fungi reported from 10 countries over a 12-year period. All cases were adults and previous chemotherapy with associated neutropenia was the most common co-morbidity. Fungaemia was confirmed in 14 (61%) cases and deep organ involvement included lungs, liver, spleen, central nervous system and kidneys...
April 2017: Mycoses
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