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Itraconazole

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https://www.readbyqxmd.com/read/28431915/synergistic-anticandidal-activity-of-menthol-in-combination-with-itraconazole-and-nystatin-against-clinical-candida-glabrata-and-candida-krusei-isolates
#1
Aghil Sharifzadeh, Ali Reza Khosravi, Hojjatollah Shokri, Paria Samadi Tari
BACKGROUND: Candida glabrata (C. glabrata) and C. krusei are now emerging as serious hospital acquired infections in immunocompromised patients. Menthol, a terpenic compound, has been reported to have antifungal activity. OBJECTIVES: The aim of this study was to investigate the effect of menthol in combination with itraconazole or nystatin against C. glabrata and C. krusei isolates. METHODS: The effects of menthol along with itraconazole and nystatin, were evaluated by the Clinical Laboratory Standards Institute (CLSI) M44-A and CLSI M27-A3 methods...
April 18, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28431688/thermal-desorption-gas-chromatographic-methodology-for-the-determination-of-residual-solvents-in-mesoporous-silica
#2
Adissu Alemayehu Asfaw, Kris Wolfs, Ann Van Schepdael, Erwin Adams
In this work, thermal desorption-gas chromatography-flame ionization detection (TD-GC-FID) was adapted to enable the determination of residual solvents (RS) in mesoporous silica (MPSi). MPSi is often utilized in various pharmaceutical formulations or drug delivery systems and the accurate determination of RS is an important part of pharmaceutical quality control. Seven commonly used solvents (methanol, ethanol, acetone, isopropanol, dichloromethane, tetrahydrofuran and hexafluoroisopropanol) were evaluated in combination with 3 types of MPSi having pore sizes of 2-3, 15 and 25nm...
April 12, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28425571/clinical-factors-affecting-costs-in-patients-receiving-systemic-antifungal-therapy-in-intensive-care-units-in-greece-results-from-the-estimator-study
#3
A Armaganidis, S Nanas, E Antoniadou, K Mandragos, K Liakou, A Koutsoukou, G Baltopoulos, G Nakos, A Kounougeri, K Ganas, A Prekates, M Kompoti, D Georgopoulos, I Pneumatikos, E Zakynthinos
Invasive fungal infections are common in intensive care units (ICUs) but there is a great variability in factors affecting costs of different antifungal treatment strategies in clinical practice. To determine factors affecting treatment cost in adult ICU patients with or without documented invasive fungal infection receiving systemic antifungal therapy (SAT) we have performed a prospective, multicentre, observational study enrolling patients receiving SAT in participating ICUs in Greece. During the study period, 155 patients received SAT at 14 participating ICUs: 37 (23...
April 20, 2017: Mycoses
https://www.readbyqxmd.com/read/28421603/high-payload-itraconazole-incorporated-lipid-nanoparticles-with-modulated-release-property-for-oral-and-parenteral-administration
#4
Alam Zeb, Omer S Qureshi, Hoo-Seong Kim, Myung-Sic Kim, Jong-Ho Kang, Jeong-Sook Park, Jin-Ki Kim
OBJECTIVES: The aim of this study was to develop high payload itraconazole-incorporated lipid nanoparticles (HINP) with modulated release property using a binary mixture core of solid and liquid lipid for oral and parenteral administration. METHODS: High payload itraconazole-incorporated lipid nanoparticles were prepared by hot high-pressure homogenization method using tristearin (TS) as a solid lipid, triolein (TO) as a liquid lipid and egg phosphatidylcholine/Tween 80/DSPE-PEG2000 as a surfactants mixture...
April 18, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28417524/biofilms-of-candida-spp-from-the-ocular-conjunctiva-of-horses-with-reduced-azole-susceptibility-a-complicating-factor-for-the-treatment-of-keratomycosis
#5
Raimunda Sâmia Nogueira Brilhante, Paula Vago Bittencourt, Débora de Souza Collares Castelo-Branco, Glaucia Morgana de Melo Guedes, Jonathas Sales de Oliveira, Lucas Pereira Alencar, Rossana de Aguiar Cordeiro, Mariana Pinheiro, Evilázio Fernandes Nogueira-Filho, Waldemiro de Aquino Pereira-Neto, José Júlio Costa Sidrim, Marcos Fábio Gadelha Rocha
OBJECTIVES: This study aimed to assess the biofilm-forming ability of Candida spp. from the ocular conjunctiva of horses and to investigate the antifungal susceptibility of these biofilms. PROCEDURES: Initially, the biofilm-forming ability of 15 strains was assessed by crystal violet staining, which reveals the fungal biomass adhered to the polystyrene plates, and scanning electron microscopy. Then, the minimum inhibitory concentrations (MICs) of amphotericin B, fluconazole, itraconazole, and caspofungin were initially determined against strains in planktonic form...
April 18, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28416697/small-molecule-mediated-inhibition-of-myofibroblast-transdifferentiation-for-the-treatment-of-fibrosis
#6
Michael J Bollong, Baiyuan Yang, Naja Vergani, Brittney A Beyer, Emily N Chin, Claudio Zambaldo, Danling Wang, Arnab K Chatterjee, Luke L Lairson, Peter G Schultz
Fibrosis, a disease in which excessive amounts of connective tissue accumulate in response to physical damage and/or inflammatory insult, affects nearly every tissue in the body and can progress to a state of organ malfunction and death. A hallmark of fibrotic disease is the excessive accumulation of extracellular matrix-secreting activated myofibroblasts (MFBs) in place of functional parenchymal cells. As such, the identification of agents that selectively inhibit the transdifferentiation process leading to the formation of MFBs represents an attractive approach for the treatment of diverse fibrosis-related diseases...
April 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
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/28416538/susceptibility-testing-of-common-and-uncommon-aspergillus-species-against-posaconazole-and-other-mold-active-antifungal-azoles-using-the-sensititre-method
#8
Enrica Mello, Brunella Posteraro, Antonietta Vella, Elena De Carolis, Riccardo Torelli, Tiziana D'Inzeo, Paul E Verweij, Maurizio Sanguinetti
We tested 59 common and 27 uncommon Aspergillus species isolates for the susceptibility to the mold-active azole antifungal agents, itraconazole, voriconazole, and posaconazole, using the Sensititre method. The overall essential agreement with the CLSI reference method was 96.5% for itraconazole and posaconazole, and 100% for voriconazole. By Sensititre, as well as CLSI, all of 10 A. fumigatus isolates with a cyp51 mutant genotype were classified as being non-wild-type (MIC > ECV) to triazoles.
April 17, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28414325/hedgehog-signaling-pathway-affects-the-sensitivity-of-hepatoma-cells-to-drug-therapy-through-the-abcc1-transporter
#9
Jia Ding, Xiao-Tian Zhou, Hao-Yu Zou, Jian Wu
The poor response to drug therapy often seen in hepatocellular carcinoma requires insight into the molecular interplay responsible for intrinsic or acquired drug resistance. We previously demonstrated that the CD133(-)/EpCAM(-) subpopulation of the Huh-7 hepatoma cell line features aberrant activation of the hedgehog signaling (Hh) pathway and chemoresistance. The prevailing hypothesis of the present study is that hedgehog signaling may govern expression of ATP-binding cassette (ABC) transporters, which are responsible for drug resistance in the CD133(-)/EpCAM(-) subpopulation...
April 17, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28414135/gastrointestinal-behavior-of-itraconazole-in-humans-part-1-supersaturation-from-a-solid-dispersion-and-a-cyclodextrin-based-solution
#10
Joachim Brouwers, Sophie Geboers, Raf Mols, Jan Tack, Patrick Augustijns
This study evaluated the fasted state gastrointestinal behavior of the lipophilic drug itraconazole, orally administered to healthy volunteers as either a solid dispersion (Sporanox(®) capsules) or a cyclodextrin-based solution (Sporanox(®) solution). Following intake of the drug products, gastric and duodenal fluids were aspirated and analyzed for itraconazole concentration, total content and solubilizing capacity. Release of itraconazole from the solid dispersion generated high and metastable supersaturated levels in the stomach, but the dissolved fraction in the duodenum remained extremely low (median 2...
April 13, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28400399/cardiotoxicity-with-itraconazole
#11
Vishesh Paul, Harsh Rawal
Itraconazole is a commonly used antifungal drug. In addition to commonly described adverse effects, there have been few reports of heart failure with its use. We present two cases that developed acute systolic heart failure with Itraconazole use. A man in his early 30s was admitted with worsening leg swelling and dyspnoea on exertion. He had been on Itraconazole for blastomyces skin ulcer. His ejection fraction (EF) was found to be 10%-15%. Another man in his 50s was admitted with similar symptoms; his EF was 40%-45%...
April 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28400290/down-stream-drug-product-processing-of-itraconazole-nanosuspension-factors-influencing-drug-particle-size-and-dissolution-from-nanosuspension-layered-beads
#12
Johannes Parmentier, En Hui Tan, Ariana Low, Jan Peter Moeschwitzer
There is more research required to broaden the knowledge on the downstream processing of nanosuspensions into solid oral dosage forms, especially for coated nanosuspensions onto beads as carriers. This study focuses on bead layering as one approach to solidify nanosuspensions. The aim was to systematically investigate the influence of type of coating polymer (HPMC VLV vs. copovidone), bead material and bead size (sugar vs. MCC, and small vs. large) and coating thickness (50%-150% layering level) on the properties of a dried itraconazole nanosuspension...
April 8, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28399898/itraconazole-induces-apoptosis-and-cell-cycle-arrest-via-inhibiting-hedgehog-signaling-in-gastric-cancer-cells
#13
Qiang Hu, Yi-Chao Hou, Jiao Huang, Jing-Yuan Fang, Hua Xiong
BACKGROUND: Itraconazole has been proved therapeutically effective against a variety of human cancers. This study assessed the effect of itraconazole on the Hedgehog (Hh) pathway and proliferation of human gastric cancer cells. METHODS: CCK-8 assay and colony formation assay were used to assess the effects of itraconazole on proliferation of gastric cancer cells. The expression of Hh signaling components in gastric cancer cells treated with itraconazole was evaluated by reverse-transcription polymerase chain reaction, immunoblotting and dual luciferase assay...
April 11, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28397664/-talaromyces-marneffei-fungaemia-in-a-patient-from-thailand-with-newly-diagnosed-hiv
#14
Marie Nørredam, Anders Porskrog, Lukas Frans Ocias, Jenny Dahl Knudsen
Talaromyces marneffei is a dimorphic fungus, which may cause life-threatening opportunistic infections in immuno-compromised individuals. A 25-year-old woman from Thailand was admitted with fever, shortness of breath, cough, and weight loss. The symptoms had persisted for three weeks. The patient had a stopover in Copenhagen on her way to Thailand from Greenland. A thoracic X-ray showed bilateral interstitial changes. Examinations showed positive HIV-test with a CD4-count of 21/microlitre. Moreover, fungaemia with T...
February 20, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28396061/-chromomycosis-acquired-in-a-non-tropical-area-a-case-report
#15
M S Ouédraogo, M-D Vignon-Pennamen, M Battistella, A Levy, M Feuilhade de Chauvin, A Petit
BACKGROUND: Chromomycosis, or chromoblastomycosis, is caused by cutaneous inoculation of dematiaceous fungi of telluric or plant origin. It is generally seen in tropical or subtropical zones. Treatment of the condition is known to be complex. Herein we report a case of chromomycosis contracted in a temperate region of Eastern Europe/Central Asia that was effectively treated with oral itraconazole and terbinafine in combination with cryotherapy. PATIENTS AND METHODS: A 44-year-old immunocompetent male subject consulted for a lesion on the buttocks that he had sustained 16 years earlier, and which, although never previously treated, had only become troublesome within the last few months...
April 7, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28391957/dermatophytic-disease-with-deficit-in-card9-a-new-case-with-a-brain-impairment
#16
O Boudghene Stambouli, N Amrani, K Boudghéne Stambouli, F Bouali
INTRODUCTION: Dermatophytic disease individualized by Hadida and Schousboe in 1959 is a rare form of chronic dermatophyte infection; characterized by subcutaneous and visceral invasion and a therapeutic failure. We report a case of dermatophytic disease with brain abscess in an Algerian patient. OBSERVATIONS: The patient was 47-year-old, she was born parents first cousins. She had since the age of 10 years scaly scalp lesions that became secondarily papular and nodular...
April 5, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28391953/-efficacy-of-the-treatment-and-secondary-antifungal-prophylaxis-in-aids-related-histoplasmosis-experience-at-the-francisco-j-mu%C3%A3-iz-infectious-diseases-hospital-in-buenos-aires
#17
Ricardo Negroni, Fernando Messina, Alicia Arechavala, Gabriela Santiso, Mario Bianchi
BACKGROUND: Classic histoplasmosis is a systemic endemic mycosis due to Histoplasma capsulatum var. capsulatum. A significant reduction in the morbidity and mortality of AIDS-related histoplasmosis has been observed since the introduction of highly active antiretroviral therapy (HAART) and secondary antifungal prophylaxis. AIMS: The aim of this study was to determine the current state of prognosis and treatment response of HIV-positive patients with histoplasmosis in the Francisco J...
April 5, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28390928/itraconazole-cis-diastereoisomers-activate-aryl-hydrocarbon-receptor-ahr-and-pregnane-x-receptor-pxr-and-induce-cyp1a1-in-human-cell-lines-and-human-hepatocytes
#18
Martina Stepankova, Barbora Pastorkova, Petr Bachleda, Zdenek Dvorak
Triazole antimycotic itraconazole contains in its structure three chiral centres; therefore, it forms eight stereoisomers. Commercial preparations of itraconazole are a mixture of four cis-diastereoisomers. There is much evidence that efficacy, adverse effects, and toxicity of chiral drugs may be stereospecific. Therefore, we have prepared 4 pure cis-diastereoisomers of itraconazole and investigated their effects on transcriptional activities of xenoreceptors aryl hydrocarbon receptor AhR and pregnane X receptor PXR...
April 5, 2017: Toxicology
https://www.readbyqxmd.com/read/28386526/kmucormicosys-due-to-saksenaea-vasiformis-in-a-dog
#19
Francisco J Reynaldi, Gabriela Giacoboni, Susana B Córdoba, Julián Romero, Enso H Reinoso, Ruben Abrantes
A 2-year-old female Border collie was examined for dermatitis with a partial alopecic zone around her left front member. Six months later the lesion became swollen, alopecic with ulcerated areas. Microscopy analysis of samples showed numerous non-septate, branching, thin-walled and irregular shaped hyphal elements. Fungal cultures and molecular studies identified Saksenaea vasiformis. Treatments with griseofulvin, itraconazole and surgical debridement were used, however, fourteen months later the dog was euthanatized because of the unfavorable clinical outcome...
June 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28381607/antifungal-susceptibility-testing-of-malassezia-spp-with-an-optimized-colorimetric-broth-microdilution-method
#20
Cheryl Leong, Antonino Buttafuoco, Martin Glatz, Philipp P Bosshard
Malassezia is a genus of lipid dependent yeasts. It is associated with common skin diseases such as pityriasis versicolor or atopic dermatitis and can cause systemic infections in immunocompromised individuals. Owing to slow growth and lipid requirements of these fastidious yeasts, convenient and reliable antifungal drug susceptibility testing assays for Malassezia spp. are not widely available. We have therefore optimized a broth microdilution assay for the testing of Malassezia that is based on the assays from CLSI and EUCAST for Candida and other yeasts...
April 5, 2017: Journal of Clinical Microbiology
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