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https://www.readbyqxmd.com/read/28446325/-current-status-and-future-perspectives-of-primary-antifungal-prophylaxis-in-patients-with-hematological-malignancies-review
#1
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/28438935/candida-guilliermondii-complex-is-characterized-by-high-antifungal-resistance-but-low-mortality-a-report-on-22-cases-of-candidemia
#2
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
#3
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/28431933/caspofungin-versus-micafungin-in-the-incidence-of-hepatotoxicity-in%C3%A2-patients-with-normal-to-moderate-liver-failure
#4
Yuichi Shibata, Mao Hagihara, Hideo Kato, Noriyo Kawasumi, Jun Hirai, Naoya Nishiyama, Nobuhiro Asai, Yusuke Koizumi, Yuka Yamagishi, Katsuhiko Matsuura, Hiroshige Mikamo
BACKGROUND: One of the major adverse events of caspofungin and micafungin is hepatotoxicity, however, there are few reports compared the incidence of hepatotoxicity between caspofungin and micafungin. Herein, the primary objective of this study was to compare the incidence of hepatotoxicity between caspofungin and micafungin treatments for patients with fungal or suspected fungal infection. METHODS: In total, 201 patients [caspofungin group: 66 patients; micafungin group: 135 patients] treated with echinocandins from April 2014 to November 2015 at Aichi Medical University Hospital...
April 18, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28429246/comparison-of-efficacy-and-safety-of-caspofungin-versus-micafungin-in-pediatric-allogeneic-stem-cell-transplant-recipients-a-retrospective-analysis
#5
Natalia Maximova, Giulia Schillani, Roberto Simeone, Alessandra Maestro, Davide Zanon
INTRODUCTION: The high morbidity and mortality associated with invasive fungal infections (IFIs) provide the rationale for antifungal prophylaxis in immuno-compromised pediatric patients undergoing hematopoietic stem cell transplantation (HSCT). Caspofungin and micafungin are antifungal agents of interest for prophylaxis of IFIs because of their potency against Candida and minimal toxicity or interactions with other drugs. Few studies have demonstrated the safety and efficacy of such echinocandins as prophylaxis for IFIs in patients undergoing HSCT...
April 20, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28420849/the-effective-treatment-of-lung-infection-due-to-scedosporium-prolificans-with-voriconazole-and-surgery
#6
Seiya Masukane, Yoshihiro Kitahara, Joe Okumoto, Keisuke Sasaki, Kikuo Nakano
Scedosporium prolificans is a fungus that has demonstrated resistance against most currently available antifungal agents and which causes a rapidly disseminating and potentially fatal infection. A 68-year-old woman presented with a fever and consolidation in the lung field. Her symptoms and inflammatory reaction did not improve despite treatment with tazobactam/piperacillin, meropenem, and micafungin. Scedosporium prolificans was detected from the patient's bronchial lavage fluid, and we initiated treatment with voriconazole...
2017: Internal Medicine
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
#7
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/28412040/ros-formation-is-a-differential-contributory-factor-to-the-fungicidal-action-of-amphotericin-b-and-micafungin-in-candida-albicans
#8
José P Guirao-Abad, Ruth Sánchez-Fresneda, Begoña Alburquerque, José A Hernández, Juan-Carlos Argüelles
The hypothetical role played by the intracellular formation of reactive oxygen species (ROS) in the fungicidal action carried out by Amphotericin B (AmB) and Micafungin (MF) was examined in Candida albicans, which remains the most prevalent fungal pathogen. The clinical MICs for MF and AmB were 0.016 and 0.12μg/ml, respectively. Whereas AmB (0.5-1.0×MIC) induced a marked production of intracellular ROS accompanied by a high degree of cell killing in the C. albicans SC5314 strain, the fungicidal effect of MF was still operative, but ROS generation was slight...
April 4, 2017: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/28409093/first-case-of-invasive-magnusiomyces-capitatus-infection-in-slovakia
#9
Dominika Tanuskova, Julia Horakova, Peter Svec, Ivana Bodova, Martina Lengerova, Matej Bezdicek, Miroslava Poczova, Jozef Koppl, Alexandra Kolenova
Magnusiomyces capitatus (previously known as Geotrichum capitatum or Blastoschizomyces capitatus or Trichosporon capitatum) is a rare cause of fungal infection in immunocompromised patients. Most of these cases (87%) have been reported from the Mediterranean region, as it is extremely rare to recognize it in other regions. Here we report a first case of disseminated M. capitatus infection in Slovakia. The patient - 19 year old woman with myelodysplastic syndrome was diagnosed with M. capitatus fungemia after allogeneic stem cell transplantation...
June 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28389166/roussoella-solani-causing-keratomycosis-with-an-observed-both-sexual-and-asexual-morphs
#10
Kiyofumi Mochizuki, Takashi Nishida, Kazuhiro Murata, Kyoko Ishida, Atsuko Sunada, Seishi Asari, Kiyofumi Ohkusu, Kazuaki Tanaka
We describe an 82-year-old male farmer who had diabetes mellitus with no history of ocular trauma by soil or plants and who developed a corneal infection due to a fungus. The organism was identified as Roussoella solani based on both the morphological characteristics and phylogenetic analysis using LSU and ITS nrDNA sequences. The sexual stage of R. solani is described and illustrated for the first time. The patient was treated successfully with a combination of topical and systemic voriconazole and micafungin...
April 4, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28377868/a-case-of-breakthrough-candida-parapsilosis-fungemia-during-micafungin-therapy-for-a-candida-glabrata-bloodstream-infection
#11
Yuta Norimatsu, Daiichi Morii, Asako Kogure, Taeko Hamanaka, Yoshihiro Kuwano, Takayuki Yokozawa, Toshimi Oda
We describe a case of breakthrough Candida parapsilosis fungemia in an 80-year-old woman with pyoderma gangrenosum and rheumatoid arthritis. C. parapsilosis was detected in blood culture while the patient was treated with micafungin for a Candida glabrata bloodstream infection. The breakthrough infection was successfully treated with liposomal amphotericin B.
June 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28364558/changing-epidemiology-of-candidaemia-in-australia
#12
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
#13
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/28330883/comparative-evaluation-of-sensititre-yeastone%C3%A2-and-clsi-m38-a2-reference-method-for-antifungal-susceptibility-testing-of-aspergillus-spp-against-echinocandins
#14
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/28321957/activity-of-exogenous-tyrosol-in-combination-with-caspofungin-and-micafungin-against-candida-parapsilosis-sessile-cells
#15
Renátó Kovács, Zoltán Tóth, Fruzsina Nagy, Lajos Daróczi, Aliz Bozó, László Majoros
AIMS: Fungal quorum sensing molecules may have an inhibitory effect as adjuvant against Candida biofilms. Therefore, in vitro activity of caspofungin and micafungin was evaluated against Candida parapsilosis biofilms in the presence of tyrosol. METHODS AND RESULTS: Interactions were assessed using fractional inhibitory concentration index (FICI) determination, metabolic activity-based time-kill experiments, and scanning electron microscopy. Tyrosol caused 1- to 16-fold and 2- to 32-fold decrease in median caspofungin and micafungin MICs, respectively...
March 21, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28321042/evaluation-of-a-novel-method-for-measurement-of-intracellular-calcium-ion-concentration-in-fission-yeast
#16
Fumihiko Ogata, Ryosuke Satoh, Ayako Kita, Reiko Sugiura, Naohito Kawasaki
The distribution of metal and metalloid species in each of the cell compartments is termed as "metallome". It is important to elucidate the molecular mechanism underlying the beneficial or toxic effects exerted by a given metal or metalloid on human health. Therefore, we developed a method to measure intracellular metal ion concentration (particularly, intracellular calcium ion) in fission yeast. We evaluated the effects of nitric acid (HNO3), zymolyase, and westase treatment on cytolysis in fission yeast. Moreover, we evaluated the changes in the intracellular calcium ion concentration in fission yeast in response to treatment with/without micafungin...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28250363/resistance-of-aspergillus-fumigatus-to-micafungin-is-increased-by-exogenous-%C3%AE-glucan
#17
Takashi Toyoshima, Ken-Ichi Ishibashi, Daisuke Yamanaka, Yoshiyuki Adachi, Naohito Ohno
Aspergillus species are ubiquitous in the environment and Aspergillus fumigatus can cause life-threatening infections in immunocompromised patients. β-1,3-/1,6-glucan is a major fungal cell wall polysaccharide that has various biological effects on the infected host, but little is known about the influence of β-glucan on the fungus itself. In a previous study, we demonstrated that the cell wall β-glucan content could be increased in Aspergillus spp. by addition of β-glucan to the culture medium. In this study, we investigated the influence of β-glucan on the susceptibility of A...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28219330/empiric-treatment-against-invasive-fungal-diseases-in-febrile-neutropenic-patients-a-systematic-review-and-network-meta-analysis
#18
Ken Chen, Qi Wang, Roy A Pleasants, Long Ge, Wei Liu, Kangning Peng, Suodi Zhai
BACKGROUND: The most optimal antifungal agent for empiric treatment of invasive fungal diseases (IFDs) in febrile neutropenia is controversial. Our objective was evaluate the relative efficacy of antifungals for all-cause mortality, fungal infection-related mortality and treatment response in this population. METHODS: Pubmed, Embase and Cochrane Library were searched to identify randomized controlled trials (RCTs). Two reviewers performed the quality assessment and extracted data independently...
February 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28213808/genotyping-and-antifungal-susceptibility-of-dipodascus-capitatus-isolated-in-a-neonatal-intensive-care-unit-of-a-sicilian-hospital
#19
Teresa Fasciana, Mario Giuffrè, Cinzia Calà, Ingrid Anne Mandy Schierz, Giuseppe Aquilina, Giuseppa Pinello, Giuseppina Capra, Dario Lipari, Giovanni Corsello, Anna Giammanco
In August 2015, Dipodascus capitatus was isolated from two patients admitted to the neonatal intensive care unit. Nosocomial acquisition of the fungus was suspected and epidemiological studies were undertaken. The patients were simultaneously hospitalized, and the comparison of the two isolates by two independent molecular typing methods have confirmed clonal dissemination of a single strain of D. capitatus. Antimicrobial susceptibility testing was useful for identifying the appropriated antifungal therapy in micafungin...
February 18, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28211475/biofilm-formation-of-the-black-yeast-like-fungus-exophiala-dermatitidis-and-its-susceptibility-to-antiinfective-agents
#20
Lisa Kirchhoff, Maike Olsowski, Katrin Zilmans, Silke Dittmer, Gerhard Haase, Ludwig Sedlacek, Eike Steinmann, Jan Buer, Peter-Michael Rath, Joerg Steinmann
Various fungi have the ability to colonize surfaces and to form biofilms. Fungal biofilm-associated infections are frequently refractory to targeted treatment because of resistance to antifungal drugs. One fungus that frequently colonises the respiratory tract of cystic fibrosis (CF) patients is the opportunistic black yeast-like fungus Exophiala dermatitidis. We investigated the biofilm-forming ability of E. dermatitidis and its susceptibility to various antiinfective agents and natural compounds. We tested 58 E...
February 17, 2017: Scientific Reports
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