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Itraconazole

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https://www.readbyqxmd.com/read/28722596/therapeutic-response-in-adult-patients-with-nonsevere-chronic-paracoccidioidomycosis-treated-with-sulfamethoxazole-trimethoprim-a-retrospective-study
#1
Andreia F Nery, Natasha P Crepaldi, Soraya B R S Rossi, Tomoko Tadano, Fabio A Leal-Santos, Rosane Christine Hahn, Valfredo M Menezes, Cor Jesus F Fontes
According to the Brazilian Consensus on Paracoccidioidomycosis (PCM), itraconazole is the drug of choice for treatment. However, the combination of sulfamethoxazole and trimethoprim (SMX-TMP) is most commonly used in clinical practice because of its higher availability in the public health services. The aims of this study were to evaluate the therapeutic response of patients with nonsevere chronic PCM to SMX-TMP and highlight the factors related to treatment failure. An adequate therapeutic response was defined as completely improved disease signs and symptoms after medication use for a minimum of 6 months, followed by normalized hematological and biochemical changes, radiological improvements, and negative mycological examination findings...
May 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722255/drug-drug-interactions-between-triazole-antifungal-agents-used-to-treat-invasive-aspergillosis-and-immunosuppressants-metabolized-by-cytochrome-p450-3a4
#2
REVIEW
Andreas H Groll, Robert Townsend, Amit Desai, Nkechi Azie, Mark Jones, Marc Engelhardt, Anne-Hortense Schmitt-Hoffman, Robert J Brüggemann
Patients undergoing treatment with immunosuppressant drugs following solid organ or hematopoietic stem cell transplantation are at particular risk for development of serious infections such as invasive aspergillosis. Four triazole antifungal drugs, voriconazole, posaconazole, itraconazole, and isavuconazole, are approved to treat invasive aspergillosis either as first- or second-line therapy. All of these agents are inhibitors of cytochrome P450 3A4, which plays a key role in metabolizing immunosuppressant drugs such as cyclosporine, tacrolimus, and sirolimus...
July 19, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28721630/in-situ-salification-in-polar-solvents-a-paradigm-for-enabling-drug-delivery-of-weakly-ionic-drugs-as-amorphous-solid-dispersion
#3
Rashmi Nair, Ioorika Lamare, Nirbhay Kumar Tiwari, Punna Rao Ravi, Raviraj Pillai
Solubility challenge for a poorly water-soluble drug gets further intensified when it is weakly ionic because the most common solubility enhancement technique, salt formation, becomes less feasible. Salt screening for such drugs often concludes with either a difficult to crystalize salt or an unstable salt, leading the scientists to explore other solubility enhancement technique like amorphous solid dispersions which is comparatively costlier, time-consuming and may require use of hazardous organic solvents...
July 18, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28710196/disseminated-histoplasmosis-presenting-as-multiple-oral-ulcers
#4
Nicholas Hendren, Christina Yek, Jason Mull, James B Cutrell
A 61-year-old female with a history of advanced HIV disease and chronic hepatitis B was presented with an 8-week history of painful oral ulcers. She appeared systemically well but examination revealed multiple well-demarcated clean-based ulcers on the tongue and hard palate. Biopsy of one of the lesions showed numerous histiocytes containing intracellular yeast forms consistent with Histoplasma capsulatum var. capsulatum Fungal blood cultures subsequently grew H. capsulatum var. capsulatum, confirming a diagnosis of disseminated histoplasmosis...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28705676/current-antifungal-treatment-of-fusariosis
#5
Abdullah M S Al-Hatmi, Alexandro Bonifaz, Stephane Ranque, G Sybren de Hoog, Paul E Verweij, Jacques F Meis
Fungi of the genus Fusarium are well known as major plant pathogens and soil inhabitants but also cause a broad spectrum of human infections. Fusariosis is the second most common mould infection after aspergillosis and keratitis is the most encountered implantation infection in immunocompetent individuals. Natamycin is active against Fusarium species both in vitro and in vivo, and it is used along with voriconazole as the mainstay of treatment for Fusarium keratitis. Onychomycosis is treated with terbinafine, voriconazole and sometimes itraconazole...
July 10, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28705617/drug-solubility-in-lipid-nanocarriers-influence-of-lipid-matrix-and-available-interfacial-area
#6
Katrin Göke, Heike Bunjes
Amongst other strategies for the formulation of poorly water-soluble drugs, solubilization of these drugs in lipid-based formulations is a promising option. Most screening methods for the identification of a suitable lipid-based formulation fail to elucidate the role interfacial effects play for drug solubility in disperse systems. In a novel screening approach called passive drug loading, different preformed lipid nanocarrier dispersions are incubated with drug powder. Afterwards, undissolved drug is filtered off and the amount of solubilized drug is determined...
July 10, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28704208/hgnet-bcor-tumors-of-the-cerebellum-clinicopathologic-and-molecular-characterization-of-3-cases
#7
Romain Appay, Nicolas Macagno, Laetitia Padovani, Andrey Korshunov, Marcel Kool, Nicolas André, Didier Scavarda, Torsten Pietsch, Dominique Figarella-Branger
The central nervous system (CNS) high-grade neuroepithelial tumor with BCOR alteration (CNS HGNET-BCOR) is a recently described molecular entity. We report 3 new CNS HGNET-BCOR cases sharing common clinical presentation and pathologic features. The 3 cases concerned children aged 3 to 7 years who presented with a voluminous mass of the cerebellum. Pathologic features included proliferation of uniform spindle to ovoid cells with fine chromatin associated with a rich arborizing capillary network. Methylation profiling classified these cases as CNS HGNET-BCOR tumors...
July 12, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28704121/evaluation-of-in-vitro-antiamoebic-activity-of-antimicrobial-agents-against-clinical-acanthamoeba-isolates
#8
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
#9
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/28702318/aspergillus-nodules-in-chronic-granulomatous-disease-attributable-to-aspergillus-ochraceus
#10
Samihah Moazam, David W Denning
Aspergillus ochraceus is a rare pulmonary pathogen. A 39 year old male with COPD and chronic granulomatous disease presented with severe breathlessness and recurrent infections. CT scan demonstrated multiple pulmonary nodules diagnosed as chronic pulmonary aspergillosis. The patient's sputum grew Aspergillus ochraceus thrice over 6 months, alongside positive Aspergillus IgG and serum galactomannan. Despite treatment with itraconazole, the patient continued to be symptomatic. We present the first case associating A...
September 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28699881/chemical-composition-and-cytotoxicity-of-extracts-of-marjoram-and-rosemary-and-their-activity-against-sporothrix-brasiliensis
#11
Stefanie Bressan Waller, Isabel Martins Madrid, Jéssica Fernanda Hoffmann, Tony Picoli, Marlete Brum Cleff, Fábio Clasen Chaves, Renata Osório de Faria, Mário Carlos Araújo Meireles, João Roberto Braga de Mello
PURPOSE: Motivated by increasing reports of antifungal resistance in human and animal sporotrichosis, this study evaluated the chemical composition, cytotoxicity and anti-Sporothrix brasiliensis activity of extracts of marjoram (Origanum majorana) and rosemary (Rosmarinus officinalis). METHODOLOGY: Ten (INF10) and 60 min (INF60) infusions, a decoction and a hydroalcoholic extract (HAE, 70 %) were prepared from both plants (10 % w/v). The extract composition was analysed by liquid chromatography/mass spectrometry and the cytotoxicity was evaluated using a colorimetric assay in canine and feline kidney cells...
July 12, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28699245/effects-of-intranasally-dosed-posaconazole-on-fungal-load-and-biomarkers-in-aspergillus-fumigatus-infected-immunocompromised-mice
#12
Genki Kimura, Takahiro Nakaoki, Yuki Nishimoto, Yuto Suzuki, Garth Rapeport, Pete Strong, Kazuhiro Ito, Yasuo Kizawa
Although anti-fungal triazoles are dosed orally or systemically for Aspergillus fumigatus infection, systemic adverse events and limited exposure of the lung cavity would make a topical treatment for the lung an attractive option. In this study, we examined the effects of intranasally dosed posaconazole on survival rates and biomarkers in A. fumigatus (itraconazole susceptible: ATCC13073 [Af]; or resistant: NCPF7100 [AfR]) infected, temporarily neutropenic A/J mice. Once daily treatment produced a dose-dependent improvement of survival of Af-infected mice (ED50 : 0...
July 11, 2017: Mycoses
https://www.readbyqxmd.com/read/28688376/molecular-identification-and-antifungal-susceptibility-pattern-of-non-albicans-candida-species-isolated-from-vulvovaginal-candidiasis
#13
Ziba Abbasi Nejat, Shirin Farahyar, Mehraban Falahati, Mahtab Ashrafi Khozani, Aga Fateme Hosseini, Azamsadat Faiazy, Masoome Ekhtiari, Saeideh Hashemi-Hafshenjani
Background: Vulvovaginal candidiasis (VVC) is an important problem due to Candida spp. The aim of this study was molecular identification, phylogenetic analysis, and evaluation of antifungal susceptibility of non-albicans Candida isolates from VVC. Methods: Vaginal secretion samples were collected from 550 vaginitis patients at Sayyad Shirazi Medical and Educational Center of Gorgan (Golestan Province, Iran) from May to October 2015. Samples were analyzed using conventional mycological and molecular approaches...
July 9, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28685145/oral-candida-in-patients-with-fixed-orthodontic-appliance-in-vitro-combination-therapy
#14
Wisam Alhamadi, Rafal J Al-Saigh, Nebras N Al-Dabagh, Hussam W Al-Humadi
BACKGROUND: Fixed orthodontic appliance (FOA) increases the cariogenic microorganisms of mouth including candida. The aim was to evaluate the pharmacodynamic effects of some antibacterial drugs in combination with most applicable antifungal agents on candida isolated from patients with FOA. METHODS: Three antifungal agents (amphotericin B (AMB), ketoconazole (KET), and itraconazole (ITZ)) and three antibacterial drugs (ciprofloxacin (CIP), doxycycline (DOX), and metronidazole (MET)) with serial concentrations have been used and microdilution broth method has been done for single and combination therapy, then fungal growth was assessed spectrophotometrically, and the combinations were evaluated by bliss independent analysis...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28679672/the-impact-of-the-hepatocyte-to-plasma-ph-gradient-on-the-prediction-of-hepatic-clearance-and-drug-drug-interactions-for-cyp2c9-and-cyp3a4-substrates
#15
Luc Raymond Albert Rougee, Michael A Mohutsky, David W Bedwell, Kenneth J Ruterbories, Stephen D Hall
Surrogate assays for drug metabolism and inhibition are traditionally performed in buffer systems at pH 7.4, despite evidence that hepatocyte intracellular pH is 7.0. This pH gradient can result in a pKa-dependent change in intracellular/extracellular concentrations for ionizable drugs that could affect predictions of clearance and P450 inhibition. The effect of microsomal incubation pH on in vitro enzyme kinetic parameters for CYP2C9 (diclofenac, (S)-warfarin) and CYP3A4 (midazolam, dextromethorphan, testosterone) substrates, enzyme specific reversible inhibitors (amiodarone, desethylamiodarone, clozapine, nicardipine, fluconazole, fluvoxamine, itraconazole) and a mechanism-based inhibitor (amiodarone) was investigated...
July 5, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28679023/notable-drug-drug-interaction-between-etizolam-and-itraconazole-in-poor-metabolizers-of-cytochrome-p450-2c19
#16
Takehito Yamamoto, Kenichi Furihata, Akihiro Hisaka, Takashi Moritoyo, Kazuaki Ogoe, Shizuko Kusayama, Keiju Motohashi, Akiko Mori, Takeshi Iwatsubo, Hiroshi Suzuki
In this study, impact of a polymorphism of CYP2C19 on drug-drug interaction (DDI) was examined for etizolam. The effect of itraconazole (a strong CYP3A inhibitor) on the pharmacokinetics of etizolam (a substrate of CYP2C19 and CYP3A) was assessed in both extensive metabolizers (EMs) and poor metabolizers (PMs) of CYP2C19. Sixteen participants (8 EMs and 8 PMs) received a single oral dose of etizolam (0.25 mg) on day 1. The participants ingested itraconazole (200 mg twice a day) on days 2-5. On day 5, participants received an oral dose of etizolam (0...
July 5, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28678309/fenticonazole-an-effective-topical-treatment-for-superficial-mycoses-as-the-first-step-of-antifungal-stewardship-program
#17
F Tumietto, L Giacomelli
The resistance of microorganisms to antimicrobial drugs is a major issue for public health, with important consequences in terms of morbidity, mortality and resource use. The phenomenon is so serious that in some areas of the world resistant strains to all available drugs have been selected. Many conditions may result in the development of resistance: they include the indiscriminate or inappropriate (e.g., for viral infection or colonization) use of antibiotics, the excessive duration of the prescribed treatment regimens, as well as inadequate dosing or administration routes...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28668841/itraconazole-modulates-hedgehog-wnt-%C3%AE-catenin-as-well-as-akt-signalling-and-inhibits-proliferation-of-cervical-cancer-cells
#18
Tomoko Ueda, Hiroshi Tsubamoto, Kayo Inoue, Kazuko Sakata, Hiroaki Shibahara, Takashi Sonoda
BACKGROUND/AIM: Repurposing itraconazole as an anticancer agent has been evaluated in several studies. The present study investigated whether itraconazole exerts an anticancer effect on cervical cancer cells. MATERIALS AND METHODS: CaSki and HeLa cells were cultured in itraconazole and vehicle after which colony-forming and cell viability assays were performed. Transcription and protein expression were assessed by cDNA microarray analysis and immunoblotting, respectively...
July 2017: Anticancer Research
https://www.readbyqxmd.com/read/28668672/amiodarone-and-itraconazole-improve-the-activity-of-pentavalent-antimonial-in-the-treatment-of-experimental-cutaneous-leishmaniasis
#19
Laís Anversa, Monique Gomes Salles Tiburcio, Lara Rocha Batista, Marília Beatriz Cuba, Gabriel Antonio Nogueira Nascentes, Tábata Yamasaki Martins, Virgínia Bodelão Richini Pereira, Luciana da Silva Ruiz Menezes, Valdo José Dias da Silva, Luis Eduardo Ramirez
Leishmaniasis affect millions of people, causing morbidity and mortality, especially in developing tropical and subtropical countries. Unfortunately, the possibilities of treatment for these infections are still quite limited and most of the available drugs present serious side effects. The objective of this paper was to evaluate the therapeutic role of amiodarone and itraconazole in the treatment of cutaneous leishmaniasis caused by Leishmania (Leishmania) amazonensis. In order to perform this evaluation, hamsters were infected with 1 x 10(6) metaciclic promastigotes of the parasite in the hind footpad and, after the onset of the lesions, were treated with glucantime, amiodarone, itraconazole, glucantime and amiodarone, glucantime and itraconazole or amiodarone and itraconazole...
June 28, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28666022/intravitreal-itraconazole-inhibits-laser-induced-choroidal-neovascularization-in-rats
#20
Jeong Hun Bae, Ah Reum Hwang, Chan Yun Kim, Hyeong Gon Yu, Hyoung Jun Koh, Woo Ick Yang, Hae Ran Chang, Sung Chul Lee
Choroidal neovascularization (CNV) is a major cause of severe visual loss in patients with age-related macular degeneration (AMD). Recently, itraconazole has shown potent and dose-dependent inhibition of tumor-associated angiogenesis. We evaluated the anti-angiogenic effect of itraconazole in a rat model of laser-induced CNV. After laser photocoagulation in each eye to cause CNV, right eyes were administered intravitreal injections of itraconazole; left eyes received balanced salt solution (BSS) as controls...
2017: PloS One
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