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Micafungin

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https://www.readbyqxmd.com/read/28725544/successful-haploidentical-stem-cell-transplantation-with-prophylactic-administration-of-liposomal-amphotericin-b-after-invasive-pulmonary-zygomycosis
#1
Testuro Ochi, Yuta Katayama, Takeshi Okatani, Ryota Imanaka, Kohei Kyo, Mitsuhiro Itagaki, Shinya Katsutani, Koji Iwato, Hideki Asaoku
A 54-year-old woman with acute myeloid leukemia (AML) achieved complete remission by induction chemotherapy, but developed zygomycosis after consolidation therapy. As zygomycosis could not be cured by liposomal amphotericin B and micafungin, left lower lobectomy was performed. As AML relapsed 7 months after onset, she received haploidentical stem cell transplantation under administration of liposomal amphotericin B. Despite experiencing severe acute graft-versus-host disease, she remains alive with no relapse of either zygomycosis or AML...
December 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28704121/evaluation-of-in-vitro-antiamoebic-activity-of-antimicrobial-agents-against-clinical-acanthamoeba-isolates
#2
Hidemasa Nakaminami, Kentaro Tanuma, Kiichi Enomoto, Yukihiko Yoshimura, Tomoyo Onuki, Shin Nihonyanagi, Yukihiro Hamada, Norihisa Noguchi
PURPOSE: The aim of this study was to elucidate in vitro antiamoebic activity of antimicrobial agents at short exposure times similar to those used for actual treatment against Acanthamoeba strains isolated from patients with keratitis. METHODS: The 5 clinical Acanthamoeba isolated in Japan were used in this study. Identification of genotypes for the Acanthamoeba isolates was performed using partial 18S ribosomal DNA (rDNA), including the ASA.S1 region sequences...
July 13, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28702763/pharmacokinetics-of-antifungal-drugs-practical-implications-for-optimized-treatment-of-patients
#3
REVIEW
Romuald Bellmann, Piotr Smuszkiewicz
INTRODUCTION: Because of the high mortality of invasive fungal infections (IFIs), appropriate exposure to antifungals appears to be crucial for therapeutic efficacy and safety. MATERIALS AND METHODS: This review summarises published pharmacokinetic data on systemically administered antifungals focusing on co-morbidities, target-site penetration, and combination antifungal therapy. CONCLUSIONS AND DISCUSSION: Amphotericin B is eliminated unchanged via urine and faeces...
July 12, 2017: Infection
https://www.readbyqxmd.com/read/28700656/unexpected-effects-of-azole-transporter-inhibitors-on-antifungal-susceptibility-in-candida-glabrata-and-other-pathogenic-candida-species
#4
Yohsuke Nagayoshi, Taiga Miyazaki, Shintaro Shimamura, Hironobu Nakayama, Asuka Minematsu, Shunsuke Yamauchi, Takahiro Takazono, Shigeki Nakamura, Katsunori Yanagihara, Shigeru Kohno, Hiroshi Mukae, Koichi Izumikawa
The pathogenic fungus Candida glabrata is often resistant to azole antifungal agents. Drug efflux through azole transporters, such as Cdr1 and Cdr2, is a key mechanism of azole resistance and these genes are under the control of the transcription factor Pdr1. Recently, the monoamine oxidase A (MAO-A) inhibitor clorgyline was shown to inhibit the azole efflux pumps, leading to increased azole susceptibility in C. glabrata. In the present study, we have evaluated the effects of clorgyline on susceptibility of C...
2017: PloS One
https://www.readbyqxmd.com/read/28700646/efficacy-and-safety-of-micafungin-versus-extensive-azoles-in-the-prevention-and-treatment-of-invasive-fungal-infections-for-neutropenia-patients-with-hematological-malignancies-a-meta-analysis-of-randomized-controlled-trials
#5
Cho-Hao Lee, Jung-Chung Lin, Ching-Liang Ho, Min Sun, Wel-Ting Yen, Chin Lin
BACKGROUND: Current studies that compare the efficacy and safety of micafungin (MCFG) with that of triazoles for the prophylaxis and treatment of invasive fungal infections (IFIs) demonstrate a lack of sufficient evidence and yield conflicting results. To compare the efficacy and safety of MCFG and triazoles in the prevention and treatment of IFIs, we conducted a meta-analysis and trial sequential analysis (TSA). METHODS: For the meta-analysis, we systematically searched the databases of PubMed, Embase and Cochrane Central Register of Controlled Trials and relevant database articles for randomized controlled studies published through November 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28699056/killing-activity-of-micafungin-against-candida-albicans-c-dubliniensis-and-candida-africana-in-the-presence-of-human-serum
#6
Renátó Kovács, Qasem Saleh, Aliz Bozó, Zoltán Tóth, Rudolf Gesztelyi, Tamás Kardos, Gábor Kardos, István Takacs, László Majoros
We compared killing activity of micafungin in time-kill experiments in RPMI-1640 with and without 50% serum against Candida albicans, Candida dubliniensis and Candida africana reference strains and clinical isolates. Killing rates (k values) were determined for each strain and concentration. In RPMI-1640 MIC ranges were 0.015-0.03, 0.015-0.03 and 0.015 mg/L against C. albicans, C. dubliniensis and C. africana, respectively. In 50% serum MIC values for the three species increased 16- to 64-fold. In RPMI-1640 micafungin was fungicidal against two of three C...
July 11, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28696236/combination-therapy-with-isavuconazole-and-micafungin-for-treatment-of-experimental-invasive-pulmonary-aspergillosis
#7
Vidmantas Petraitis, Ruta Petraitiene, Matthew W McCarthy, Laura L Kovanda, Myo H Zaw, Kaiser Hussain, Naima Shaikh, Bo Bo W Maung, Navjot K Sekhon, William W Hope, Thomas J Walsh
Invasive pulmonary aspergillosis (IPA) is an important cause of morbidity and mortality in immunocompromised patients. We hypothesized that simultaneous inhibition of biosynthesis of ergosterol in the fungal cell membrane and (1→3)-β-D-glucan in the cell wall, respectively, by the antifungal triazole isavuconazole and the echinocandin micafungin, may result in improved outcome in experimental IPA in persistently neutropenic rabbits. Treatment groups included isavuconazole (ISA) at 20 (ISA20), 40 (ISA40), and 60 (ISA60) mg/kg/day, micafungin at 2 mg/kg/day (MFG2), or combinations of (ISA20+MFG2), (ISA40+MFG2), (ISA60+MFG2), and untreated rabbits (UC)...
July 10, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28693479/pharmacoeconomic-analysis-of-antifungal-therapy-for-primary-treatment-of-invasive-candidiasis-caused-by-candida-albicans-and-non-albicans-candida-species
#8
Huang-Tz Ou, Tsung-Ying Lee, Yee-Chun Chen, Claudie Charbonneau
BACKGROUND: Cost-effectiveness studies of echinocandins for the treatment of invasive candidiasis, including candidemia, are rare in Asia. No study has determined whether echinocandins are cost-effective for both Candida albicans and non-albicans Candida species. There have been no economic evaluations that compare non-echinocandins with the three available echinocandins. This study was aimed to assess the cost-effectiveness of individual echinocandins, namely caspofungin, micafungin, and anidulafungin, versus non-echinocandins for C...
July 10, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28681815/identification-of-the-paradoxical-effect-of-caspofungin-and-micafungin-on-candida-albicans-growth-in-vitro-using-a-growth-curve-methodology
#9
Huang Zhouying, Li Chen, Wang Ruiqi, Liao Kang, Zeng Ji
BACKGROUND: The paradoxical effect of fungi, (which is a special phenomenon that certain Candida spp. might exhibit augmented growth in the presence of echinocandin at some concentration higher than the minimum inhibitory concentration) would be better illustrated through growth curves. MATERIALS AND METHODS: We investigated the paradoxical effect of caspofungin and micafungin on the growth and cell viability of 38 clinical isolates of Candida albicans using a microbial sensitivity test and growth curve methodology...
April 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28680771/candida-pararugosa-first-reported-bloodstream-infection-in-an-adult
#10
Guy El Helou, Elizabeth Palavecino
Candida pararugosa is a yeast that has been previously isolated in various human specimens. The first reported isolation was from human feces in 1998, with subsequent reports of positive cultures from the oral cavity where it was thought to represent colonization rather than true infection. Though it has been isolated from other human sites, its clinical significance and manifestations are poorly characterized. We report the case of a 39-year-old woman on parenteral hyperalimentation who developed post abdominal surgery sepsis and surgical wound necrotizing fasciitis...
May 29, 2017: Curēus
https://www.readbyqxmd.com/read/28680340/successful-treatment-of-pulmonary-candidiasis-and-aspergillosis-in-patient-with-refractory-hodgkin-lymphoma-using-micafungin-case-study-and-brief-literature-review
#11
Marta Barańska, Renata Kroll-Balcerzak, Lidia Gil, Joanna Rupa-Matysek, Mieczysław Komarnicki
The number of patients with hematological malignancies who develop invasive fungal disease (IFD) has increased dramatically in recent decades. This increase is attributed to impairment of the host immune system due to intensive cytotoxic chemotherapies, use of corticosteroids and profound immunosuppression after hematopoietic stem cell transplantation (HSCT). Additionally, the increasing prevalence of fungal infections caused by emerging and rare pathogens, IFD of mixed etiology or of atypical localization is observed...
2017: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/28671171/early-onset-de-novo-invasive-pulmonary-aspergillosis-in-an-orthotopic-heart-transplant-recipient
#12
Zaw Min, Manik Veer, Parth Rali, Anil Singh, Nitin Bhanot
Invasive aspergillosis generally occurs during the first 1-6 months after heart transplantation. It has been rarely seen in the first 2 weeks postcardiac transplant. We herein describe a unique case of invasive pulmonary aspergillosis (IPA) diagnosed on day 9 postorthotopic heart transplantation. The known risk factors for IPA in cardiac transplant recipients were not identified in our case. The organ recipients from the same donor did not report Aspergillus infection. Hospital environmental samplings failed to demonstrate Aspergillus spores in the patient's room and his adjacent rooms...
July 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28641654/-efficacy-and-safety-of-posaconazoleon-for-primary-antifungal-prophylaxis-against-invasive-fungal-disease-in-patients-with-stem-cell-transplantation
#13
Ya-Mei Wu, Yong-Bin Cao, Xiao-Hong Li, Li-Xin Xu, Bei Yan, Song-Wei Li, Hai-Tao Wang, Ya-Hui Gao, Tian-Tian Zhang, Ya-Qian Zhang, Li Wang, Xiao-Xiong Wu
OBJECTIVE: To investigate the efficacy and clinical safety of posaconazoleon primary antifungal prophylaxis against invasive fungal disease (IFD) in patients with stem cell transplantation. METHODS: At the start from preconditioning regimen, 45 patients without IFD were administered with posaconazoleon until neutrophils greater than 0.5×10(9)/L, 35 patients treated with micafungin were enrolled in control group. The incidence, risk factors of IFD and side effects of medicines were evaluated...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28584152/pharmacodynamic-optimization-for-treatment-of-invasive-candida-auris-infection
#14
Alexander J Lepak, Miao Zhao, Elizabeth L Berkow, Shawn R Lockhart, David R Andes
Candida auris is an emerging, multidrug-resistant threat. The pharmacodynamics of three antifungal classes against nine C. auris strains was explored using a murine invasive candidiasis model. The total drug median PD target associated with net stasis was a fluconazole AUC/MIC of 26, amphotericin B Cmax/MIC of 0.9, and micafungin AUC/MIC of 54. The micafungin PD targets for C. auris were ≥20-fold lower than other Candida species in this animal model. Clinically relevant micafungin exposures produced the most killing among the three classes...
June 5, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28584142/micafungin-plasma-levels-are-not-affected-by-continuous-renal-replacement-therapy-experience-in-critically-ill-patients
#15
M G Vossen, D Knafl, M Haidinger, R Lemmerer, M Unger, S Pferschy, W Lamm, A Maier-Salamon, W Jäger, F Thalhammer
Background: Critically ill patients often experience acute kidney injury and the need for renal replacement therapy in the course of their treatment on an ICU. These patients are at an increased risk for candidiasis. Although there have been several reports of micafungin disposition during renal replacement therapy, there are up to this date no data describing the elimination of micafungin during high dose continuous venovenous haemodiafiltration with modified AN69 membranes. The aim of this prospective open label pharmacokinetic study was to assess whether Micafungin plasma levels are affected by continuous haemodiafiltration in critical ill patients using the commonly employed AN69 membrane...
June 5, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28577122/successful-treatment-of-pulmonary-mucormycosis-caused-by-cunninghamella-bertholletiae-with-high-dose-liposomal-amphotericin-b-10%C3%A2-mg-kg-day-followed-by-a-lobectomy-in-cord-blood-transplant-recipients
#16
Hikari Ota, Hisashi Yamamoto, Muneyoshi Kimura, Hideki Araoka, Takeshi Fujii, Takashi Umeyama, Hideaki Ohno, Yoshitsugu Miyazaki, Daisuke Kaji, Yuki Taya, Aya Nishida, Kazuya Ishiwata, Masanori Tsuji, Shinsuke Takagi, Yuki Asano-Mori, Go Yamamoto, Naoyuki Uchida, Koji Izutsu, Kazuhiro Masuoka, Atsushi Wake, Akiko Yoneyama, Shigeyoshi Makino, Shuichi Taniguchi
Infection caused by Cunninghamella bertholletiae carries one of the highest mortality rates among mucormycosis, and there are no reported cases that survived from the infection in allogeneic hematopoietic stem cell transplantation recipients occurring before neutrophil engraftment. Here, we present two cases of pulmonary mucormycosis caused by C. bertholletiae occurring before neutrophil engraftment after cord blood transplantation. Both were successfully treated with high-dose liposomal amphotericin B (10 mg/kg/day) combined with micafungin, which was then followed by neutrophil recovery, reduction in immunosuppressive agents, and a subsequent lobectomy...
June 2, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28566496/phosphate-is-the-third-nutrient-monitored-by-tor-in-candida-albicans-and-provides-a-target-for-fungal-specific-indirect-tor-inhibition
#17
Ning-Ning Liu, Peter R Flanagan, Jumei Zeng, Niketa M Jani, Maria E Cardenas, Gary P Moran, Julia R Köhler
The Target of Rapamycin (TOR) pathway regulates morphogenesis and responses to host cells in the fungal pathogen Candida albicans Eukaryotic Target of Rapamycin complex 1 (TORC1) induces growth and proliferation in response to nitrogen and carbon source availability. Our unbiased genetic approach seeking unknown components of TORC1 signaling in C. albicans revealed that the phosphate transporter Pho84 is required for normal TORC1 activity. We found that mutants in PHO84 are hypersensitive to rapamycin and in response to phosphate feeding, generate less phosphorylated ribosomal protein S6 (P-S6) than the WT...
June 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28560585/creation-characterization-and-utilization-of-cryptococcus-neoformans-mutants-sensitive-to-micafungin
#18
Akio Toh-E, Misako Ohkusu, Kiminori Shimizu, Masashi Yamaguchi, Naruhiko Ishiwada, Akira Watanabe, Katsuhiko Kamei
We constructed deletion mutants of Cryptococcus neoformans var neoformans (serotype D) genes encoding late ergosterol biosynthetic pathway enzymes and found that the mutations enhanced susceptibility to various drugs including micafungin, one of the echinocandins, to which wild-type Cryptococcus strains show no susceptibility. Furthermore, through isolation of a mutant resistant to micafungin from a micafungin-sensitive erg mutant and genetic analysis of it, we found that the responsible mutation occurred in the hotspot 2 of FKS1 encoding β-1, 3-glucan synthase, indicating that micafungin inhibited the growth of the erg mutant via inhibiting Fks1 activity...
May 30, 2017: Current Genetics
https://www.readbyqxmd.com/read/28559257/susceptibility-testing-of-the-echinocandins-against-candida-species-in-the-daily-routine-etest%C3%A2-versus-sensititre-yeastone%C3%A2-data-from-a-single-center-in-austria
#19
Maria Aigner, Thomas Erbeznik, Martin Gschwentner, Cornelia Lass-Flörl
Antifungal susceptibility testing of caspofungin, anidulafungin and micafungin against Candida species was performed to evaluate the role of ETest® and Sensititre YeastOne® for antifungal susceptibility testing for daily routine and to survey resistance. 104 Candida species isolates detected from blood cultures were investigated. Determining EUCAST broth microdilution as reference method essential agreement (EA), categorical agreement (CA), very major errors (VME), major (ME) and minor errors (MIN) were assessed reading MICs at 18, 24 and 48 hours...
May 30, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28537063/-consensus-opinion-on-antifungal-prophylaxis-in-haematologic-patients-results-of-the-promic-project
#20
L Vázquez López, T Villaescusa de la Rosa, R de la Cámara, I Espigado, S Grau Cerrato, M Jurado, M Rovira, M Salavert, D Serrano Simonneau, C Solano Vercet, I Ruiz Camps
OBJECTIVE: Invasive fungal disease (IFD) is an important cause of morbidity and mortality in haematological patients. Antifungal prophylaxis (AFP) is indicated for a number of clinical scenarios in this group of patients. The aim of this study was to reach a consensus on IFD prophylaxis in haematological patients in order to optimize their management. METHODS: A committee of experts in haematology and infectious diseases compiled a survey of 79 items with controversial aspects about antifungal prophylaxis in haematological patients...
May 23, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
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