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https://www.readbyqxmd.com/read/28527634/low-penetration-of-caspofungin-into-cerebrospinal-fluid-following-intravenous-administration-of-standard-doses
#1
Volker Strenger, Fedja Farowski, Carsten Müller, Nora Hofer, Hans Jürgen Dornbusch, Daniela Sperl, Herwig Lackner, Martin Benesch, Christian Urban
The kinetics of caspofungin (CAS) in cerebrospinal fluid (CSF) following intravenous (i.v.) administration has been studied exclusively in animal models. However, human data are missing so far. In this study, 13 CSF samples were obtained at different time points following i.v. infusion of CAS in ten paediatric haemato-/oncological patients (age range 1.0-14.2 years, median 8.6 years) without signs of central nervous system (CNS) infection (n = 10 samples) or with infectious meningitis (n = 3 samples). Serum samples were obtained concurrently...
May 17, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28526521/coexistence-of-aspergilloma-and-pulmonary-hydatid-cyst-in-an-immunocompetent-individual
#2
F Aala, H Badali, S Hashemi Fesharaki, M Boroumand, M Sotoudeh Anvari, H Davari, S Agha Kuchak Afshari, S Khodavaisy
Echinococcosis is a zoonotic disease caused by Echinococcus granulosus sensu lato. The liver and lungs are the most commonly sites of infections, but involvements of other organs were also observed. Recently, the coinfection of pulmonary hydatid cyst with aspergilloma has been reported in the literature. Herein, we report a successful treatment of coinfection of cystic echinoccosis with aspergilloma due to Aspergillus flavus in a 34-year-old female. In vitro antifungal susceptibility tests revealed that the MIC values for antifungals employed in this case were posaconazole (0...
May 16, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28513771/species-distribution-and-antifungal-susceptibility-patterns-of-candida-isolates-from-a-public-tertiary-teaching-hospital-in-the-eastern-cape-province-south-africa
#3
P Mnge, B I Okeleye, S D Vasaikar, T Apalata
Candida species are the leading cause of invasive fungal infections, and over the past decade there has been an increased isolation of drug resistant Candida species. This study aimed to identify the species distribution of Candida isolates and to determine their unique antifungal susceptibility and resistance patterns. During a cross-sectional study, 209 Candida isolates (recovered from 206 clinical samples) were collected and their species distribution was determined using ChromAgar Candida. The Vitek-2 system (Biomerieux, South Africa) was used to determine minimum inhibitory concentrations (MICs) to azoles (fluconazole, voriconazole), echinocandins (caspofungin, micafungin), polyenes (amphotericin B) and flucytosine...
May 15, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28507115/sensitivity-of-white-and-opaque-candida-albicans-to-antifungal-drugs
#4
Veronica B Craik, Alexander D Johnson, Matthew B Lohse
White and opaque cells of Candida albicans have the same genome but differ in gene expression patterns, metabolic profiles, and host niche preferences. We tested whether these differences (which include the differential expression of drug transporters) resulted in different sensitivities to 27 antifungal agents. The analysis was performed in two different strain backgrounds; although there was strain-to-strain variation, only terbinafine hydrochloride and caspofungin showed consistent, two-fold differences between white and opaque cells across both strains...
May 15, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28506251/diversity-in-vitro-virulence-traits-and-antifungal-susceptibility-pattern-of-gastrointestinal-yeast-flora-of-healthy-poultry-gallus-gallus-domesticus
#5
Supram Hosuru Subramanya, Nawal Kishor Sharan, Bharat Prasad Baral, Deependra Hamal, Niranjan Nayak, Peralam Yegneswaran Prakash, Brijesh Sathian, Indira Bairy, Shishir Gokhale
BACKGROUND: Poultry farming and consumption of poultry (Gallus gallus domesticus) meat and eggs are common gastronomical practices worldwide. Till now, a detailed understanding about the gut colonisation of Gallus gallus domesticus by yeasts and their virulence properties and drug resistance patterns in available literature remain sparse. This study was undertaken to explore this prevalent issue. RESULTS: A total of 103 specimens of fresh droppings of broiler chickens (commercial G domesticus) and domesticated chickens (domesticated G domesticus) were collected from the breeding sites...
May 15, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28497621/endomyocardial-and-pericardial-aspergillosis-in-critically-ill-patients
#6
George Dimopoulos, Frantzeska Frantzeskaki, Marinos Kosmopoulos, Fabio Sylvio Taccone, Anne-Marie Van den Abeele, Pierre Bulpa, Frederic Forêt, Dirk Vogelaers, Stijn Blot
Invasive aspergillosis(IA) is a potentially lethal complication of Aspergillus infection affecting mainly immunocompromised hosts; however, during the last two decades its incidence was increasingly observed in critically ill immunocompetent patients. The objective of this study is to describe the clinical characteristics of histologically proven endomyocardial and pericardial invasion, in the context of IA, in critically ill patients. Eight critically ill patients with histopathological confirmation of endomyocardial/pericardial aspergillosis were evaluated...
May 12, 2017: Mycoses
https://www.readbyqxmd.com/read/28493896/candidemia-in-the-elderly-what-does-it-change
#7
Francesco Barchiesi, Elena Orsetti, Sara Mazzanti, Francesca Trave, Aldo Salvi, Cinzia Nitti, Esther Manso
BACKGROUND: Candidemia is a life-threatening fungal infection and it can affect patients of all ages. Characterization of candidemia in the elderly is lacking. METHODS: We performed a retrospective study of adults (≥ 18 years) with candidemia diagnosed in our center in 2010-2015. Demographics, comorbidities, clinical and microbiologic characteristics, antifungal treatment and outcome were compared between older (≤65 years) and younger (>65 years) patients...
2017: PloS One
https://www.readbyqxmd.com/read/28493006/activity-of-combined-antifungal-agents-against-multidrug-resistant-candida-glabrata-strains
#8
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/28491253/isolation-molecular-identification-and-antifungal-susceptibility-profiles-of-vaginal-isolates-of-candida-species
#9
Ali Rezaei-Matehkolaei, Shokoofe Shafiei, Ali Zarei-Mahmoudabadi
BACKGROUND AND OBJECTIVES: Vulvovaginal candidiasis is a common fungal infection among women during reproductive ages. Although, Candida albicans is accounted as the main etiologic agent of vaginitis, non-albicans species have arisen during last years. Resistant to antifungal drugs especially, fluconazole has been more reported by researchers from around the World. The aims of this study were to determine the prevalence of vulvovaginal candidiasis among suspected patients with vaginitis, the frequency of Candida species, and the susceptibility profiles of isolates to caspofungin, fluconazole and clotrimazole...
December 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28491252/inhibitory-effects-of-carvacrol-on-the-expression-of-secreted-aspartyl-proteinases-1-3-in-fluconazole-resistant-candida-albicans-isolates
#10
Seyedeh Sedigheh Hosseini, Mohammad Hossein Yadegari, Masoumeh Rajabibazl, Ezzat Allah Ghaemi
BACKGROUND AND OBJECTIVES: Secreted Aspartyl Proteinase (SAP) is one of the main virulence factors in the pathogenesis of Candida. This enzyme is encoded by a family of at least ten genes. Among these genes, the role of SAP1-3 in mucosal infections is evident. This study aimed to investigate the expression of SAP1-3 genes of Candida albicans isolates after treatment with Echinophora platyloba extract, carvacrol and caspofungin drug. MATERIALS AND METHODS: Vaginal samples of 68 women with suspected vaginitis were obtained and cultured...
December 2016: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/28483449/luliconazole-an-alternative-antifungal-agent-against-aspergillus-terreus
#11
M Zargaran, S Taghipour, N Kiasat, E Aboualigalehdari, A Rezaei-Matehkolaei, A Zarei Mahmoudabadi, F Shamsizadeh
Aspergillus terreus is the fourth leading cause of invasive and non-invasive aspergillosis and one of the causative agents of morbidity and mortality among immunocompromised and high-risk patients. A. terreus appears to have increased as a cause of opportunistic fungal infections from superficial to serious invasive infections. Although, invasive aspergillosis is often treated empirically with amphotericin B, most A. terreus isolates are resistant both in vivo and in vitro to some antifungal drugs. In this study, we aimed to evaluate antifungals susceptibility profiles of the different strains of A...
May 5, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28482076/genotyping-of-clinical-isolates-of-candida-glabrata-from-iran-by-multilocus-sequence-typing-and-determination-of-population-structure-and-drug-resistance-profile
#12
Saeid Amanloo, Masoomeh Shams-Ghahfarokhi, Mohammad Ghahri, Mehdi Razzaghi-Abyaneh
Candida glabrata is often the second most common causative agent for candidiasis following Candida albicans. Despite the importance of C. glabrata infections, few epidemiological studies have been conducted on this issue. The goal of this study was genotyping of clinical isolates of C. glabrata by multilocus sequence typing (MLST) technique for determination of the endemic prevalent genotypes and any association between isolation source and drug resistance. A total of 50 C. glabrata clinical isolates from Iran were analyzed by MLST and tested for in-vitro susceptibilities to amphotericin-B, caspofungin, fluconazole, and voriconazole according to the Clinical Laboratory Standards Institute (CLSI) M27-A4 document guidelines...
May 6, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28473992/hepatotoxicity-of-antimycotics-used-for-invasive-fungal-infections-in-vitro-results
#13
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
#14
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/28457646/-molecular-identification-and-in-vitro-antifungal-susceptibility-of-blood-isolates-of-the-candida-parapsilosis-species-complex-in-venezuela
#15
Xiomara Moreno, Vera Reviakina, María M Panizo, Giusseppe Ferrara, Nataly García, Víctor Alarcón, María F Garcés, Maribel Dolande
BACKGROUND: Candida parapsilosis is a species complex consisting of Candida parapsilosis sensu stricto, Candida orthopsilosis, and Candida metapsilosis. Studies worldwide have described its epidemiology and susceptibility to antifungal agents. AIMS: The aims of this study were to carry out the molecular identification of blood isolates belonging to the Candida parapsilosis species complex, and to determine their in vitro susceptibility to antifungals of systemic use...
April 27, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28456868/comparative-pathogenicity-of-lomentospora-prolificans-scedosporium-prolificans-isolates-from-mexican-patients
#16
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/28451560/caspofungin-non-susceptible-candida-orthopsilosis-isolated-from-onychomycosis-in-iran
#17
Rasoul Mohammadi, Hossein Mirhendi, Mohammad Taghi Hedayati, Hamid Badali
BACKGROUND: Although Candida albicans remains the most common fungal isolate from clinical specimens, many studies have detected a shift towards non-albicans Candida species. Despite worrying clinical pictures associated with latter species, there is little information regarding its susceptibility patterns against currently available antifungal agents, with only a small number of strains having been studied. METHODS: We evaluated the in vitro antifungal susceptibilities of clinical isolates of C...
February 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28446325/-current-status-and-future-perspectives-of-primary-antifungal-prophylaxis-in-patients-with-hematological-malignancies-review
#18
Yan Li, Li Yu
Invasive fungal diseases (IFD) are associated with considerable morbidity and mortality in patients with hematological malignancies. Primary antifungal prophylaxis (PAP) is effective for decreasing incidence of IFD, and the patients will be more tolerable to chemotherapy with less cost and better prognosis. Antifungal drugs as fluconazole, itraconazole, posaconazole, caspofungin and micafungin are all recommended for PAP by many consensus and guidelines. The PAP will be more scientific, appropriate and effective with the development of studies about predicting risk-stratification for IFD, new drugs, pharmacokinetics and integrated prophylaxis...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28443984/antifungal-activity-of-caspofungin-in-experimental-infective-endocarditis-caused-by-candida-albicans
#19
Gerardo Becerra Victorio, Lorena Michele Brennan Bourdon, Leonel García Benavides, Selene G Huerta-Olvera, Arturo Plascencia, José Villanueva, Erika Martinez-Lopez, Iván Isidro Hernández-Cañaveral
BACKGROUND: Infective endocarditis is a disease characterised by heart valve lesions, which exhibit extracellular matrix proteins that act as a physical barrier to prevent the passage of antimicrobial agents. The genus Candida has acquired clinical importance given that it is increasingly being isolated from cases of nosocomial infections. OBJECTIVE: To evaluate the activity of caspofungin compared to that of liposomal amphotericin B against Candida albicans in experimental infective endocarditis...
May 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28437176/echinocandins-in-ocular-therapeutics
#20
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
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