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Posaconazole

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https://www.readbyqxmd.com/read/29133564/fungal-prophylaxis-with-a-gastro-resistant-posaconazole-tablet-for-patients-with-hematological-malignancies-final-result-of-the-posanantes-study
#1
Pierre Peterlin, Cécile Chauvin, Steven Le Gouill, Morgane Pere, Marie Dalichampt, Thierry Guillaume, Alice Garnier, Maxime Paré, Amandine Le Bourgeois, Philippe Moreau, Patrice Chevallier, Guillaume Deslandes, Thomas Gastinne
Posaconazole is an antifungal drug used in both prophylaxis and treatment of invasive fungal infections. Its oral formulation requires therapeutic drug monitoring. To overcome gastric acidity, a gastro-resistant posaconazole tablet has recently been developed. POSANANTES was a prospective non interventional study that aimed to monitor plasma concentration trough level (Cmin) of posaconazole tablets used prophylactically in patients with hematological malignancies. Fifty patients were included. Group A (n= 31) included patients receiving induction chemotherapy for myeloid malignancies and group B (n=19) included patients treated for graft versus host disease after allogeneic hematopoietic stem cells transplantation...
November 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29126660/evaluation-of-the-efficacy-of-a-posaconazole-and-anidulafungin-combination-in-a-murine-model-of-pulmonary-aspergillosis-due-to-infection-with-aspergillus-fumigatus
#2
Laura Bedin Denardi, Francielli Pantella Kunz de Jesus, Jéssica Tairine Keller, Carla Weiblen, Maria Isabel de Azevedo, Vanessa Oliveira, Janio Morais Santurio, Sydney Hartz Alves
Posaconazole (PSC) in combination with anidulafungin (AFG) was evaluated in a murine model of pulmonary aspergillosis. Immunosuppressed animals were infected via the nasal cavity with 2 different A. fumigatus strains. The animals received PSC (oral, 20mg/kg per day) and/or AFG (i.p., 10mg/kg per day) for 7days. On Day 8, the mice were euthanized and fungal burdens were determined from the lungs. Survival curves were constructed for mortality analysis. Compared to untreated groups, groups singly treated with PSC or AFG showed a reduced fungal burden in the lungs (P=0...
October 12, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29125660/primary-prophylaxis-of-invasive-fungal-infections-with-posaconazole-or-itraconazole-in-patients-with-acute-myeloid-leukemia-or-high-risk-myelodysplastic-syndromes-undergoing-intensive-cytotoxic-chemotherapy-a-real-world-comparison
#3
Mar Tormo, Ariadna Pérez-Martínez, Marisa Calabuig, Juan Carlos Hernández-Boluda, Paula Amat, David Navarro, Carlos Solano
This is an observational-retrospective study comparing the real-world outcomes associated with posaconazole vs. itraconazole as prophylaxis treatments. Two hundred and ninety-three patient admissions attributable to 174 patients were included in the study. Patients were treated with itraconazole (n = 114 admissions; 39%) or posaconazole (n = 179; 61%). Antifungal prophylaxis failure (APF) due to treatment-related adverse events (in 34 out of 293 patient admissions; 11.6%) was more frequent in the posaconazole group (6...
November 10, 2017: Mycoses
https://www.readbyqxmd.com/read/29124846/prevalence-mechanisms-and-genetic-relatedness-of-the-human-pathogenic-fungus-aspergillus-fumigatus-exhibiting-resistance-to-medical-azoles-in-the-environment-of-taiwan
#4
Hsuan-Chen Wang, Jui-Chang Huang, Yong-Hong Lin, Yu-Hsin Chen, Ming-I Hsieh, Pui-Ching Choi, Hsiu-Jung Lo, Wei-Lun Liu, Ching-Shan Hsu, Hsin-I Shih, Chi-Jung Wu, Yee-Chun Chen
Emerging azole resistance in Aspergillus fumigatus poses a serious threat to human health. This nationwide surveillance study investigated the prevalence and molecular characteristics of azole-resistant A. fumigatus environmental isolates in Taiwan, an island country with increasing use of azole fungicides. Of the 2,760 air and soil samples screened from 2014-2016, 451 A. fumigatus isolates were recovered from 266 samples, and 34 isolates from 29 samples displayed resistance to medical azoles (itraconazole, voriconazole, or posaconazole)...
November 10, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/29121264/persistent-cns-toxicity-in-a-patient-receiving-posaconazole-tablets-after-discontinuation-of-voriconazole-due-to-supratherapeutic-serum-levels
#5
Farnaz Foolad, Dimitrios P Kontoyiannis
No abstract text is available yet for this article.
October 7, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29120502/necrotizing-microascus-tracheo-bronchitis-in-a-bilateral-lung-transplant-recipient
#6
Olivier Taton, Benjamin Bernier, Isabelle Etienne, Benjamin Bondue, Sophie Lecomte, Christiane Knoop, Frederique Jacob, Isabel Montesinos
Invasive fungal infections are a major cause of mortality among solid organ transplant recipients. Scopulariopsis species and their teleomorph Microascus are molds found in soil and decaying organic matter. We report here the case of a woman who underwent bilateral lung transplantation for severe emphysema. On day 25 after transplantation, endobronchial green-black lesions were detected during routine endoscopy. Endobronchial swabs, biopsies, and broncho-alveolar lavage samples were positive for Microascus cirrosus...
November 9, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29116676/salvage-therapy-with-topical-posaconazole-in-lung-transplant-recipients-with-invasive-scedosporium-infection
#7
Amparo Solé, Ana A García-Robles, Carlos Jordá, Enrique Cases Viedma, Nuria Mancheño, José Luis Poveda-Andrés, Juan Pablo Reig Mezquida, Javier Pemán
Scedosporium is an important pathogen in cystic fibrosis (CF) and post-transplant, but it rarely causes invasive infection. Treatment remains challenging, particularly due to the inherent resistance to multiple antifungal agents. We present three complicated invasive tracheobronchial and lung Scedosporium apiospermum infections following lung transplant. In two of three cases, the infection was clinically and radiologically cured with frequent cleansing bronchoscopies, combining triazole with terbinafine therapy and nebulized posaconazole...
November 8, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29112326/real-world-challenges-and-unmet-needs-in-the-diagnosis-and-treatment-of-suspected-invasive-pulmonary-aspergillosis-in-patients-with-hematological-diseases-an-illustrative-case-study
#8
Martin Hoenigl, Juergen Prattes, Peter Neumeister, Albert Wölfler, Robert Krause
Recent years have seen important advances in the diagnosis of invasive pulmonary aspergillosis (IPA), complemented by the introduction of new therapies. Despite this, IPA remains a major cause of infection-related mortality in patients with hematological diseases. There are two main reasons for this. First, diagnosis of IPA remains a challenge, since risk factors and the clinical, radiological and mycological presentations vary not only by fungal disease stage, but also by patient group (e.g. neutropenic versus non-neutropenic patients)...
November 7, 2017: Mycoses
https://www.readbyqxmd.com/read/29110351/posaconazole-liquid-vs-tablet-formulation-in-lung-transplant-recipients
#9
D Telzer, A Weber, F Ihle, S Matthes, F Ceelen, G Zimmermann, N Kneidinger, R Schramm, H Winter, M Zoller, M Vogeser, J Behr, C Neurohr
BACKGROUND: Posaconazole is an extended-spectrum triazole antifungal used in the treatment and prophylaxis of Aspergillus infections. It is available as oral suspension (POS-Liq) and delayed-release tablets (POS-Tab). OBJECTIVES: The aim of this longitudinal, retrospective study was to compare the clinical effectiveness, toxicity, and pharmacokinetics of POS-Liq vs. POS-Tab in lung transplant recipients (LTx-recipients), who were treated with both formulations subsequently...
November 6, 2017: Mycoses
https://www.readbyqxmd.com/read/29105850/cost-effectiveness-analysis-of-interventions-for-prevention-of-invasive-aspergillosis-among-leukemia-patients-during-hospital-construction-activities
#10
Juan Felipe Combariza, Luis Fernando Toro, John Jairo Orozco, Marcos Arango
OBJECTIVES: Invasive Aspergillosis (IA) is a serious problem among hematological patients and it is associated with high mortality. This situation can worsen at times of hospital construction, however there are several preventive measures available. This work aims to define the cost-effectiveness of some of these interventions. PATIENTS AND METHODS: A decision tree model was used, it was divided into four arms according to each one of the interventions performed...
November 6, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29102972/urinary-tract-aspergillosis-in-a-patient-with-chronic-kidney-disease
#11
Linghong Zhou, Huazhen Zhao, Zhongqing Chen, Liping Zhu
Invasive aspergillosis is a life-threatening fungal infection, especially in immunocompromised patients. Pulmonary aspergillosis is the most common type of the infection, while urinary tract infection is relatively rare. Here, we describe a case of a 46-year-old man with chronic renal disease presenting with intermittent abdominal pain. The diagnosis of aspergillosis was established by pathological findings of the fungal ball in the bladder. The patient underwent multiple antimicrobial treatments and surgical interventions and was finally cured by posaconazole...
November 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29094463/severe-dermatophytosis-in-solid-organ-transplant-recipients-a-french-retrospective-series-and-literature-review
#12
Claire Rouzaud, Olivier Chosidow, Anabelle Brocard, Sylvie Fraitag, Anne Scemla, Dany Anglicheau, Jean-David Bouaziz, Nicolas Dupin, Marie-Elisabeth Bougnoux, Roderick Hay, Olivier Lortholary, Fanny Lanternier
OBJECTIVE: Severe dermatophytosis is described in immunocompromised patients with defective cellular immunity. We report here a large series and a literature review of severe dermatophytosis in solid organ transplant (SOT) recipients. METHOD: The data main source was a national French retrospective study of severe dermatophytosis in SOT recipients between 2010 and 2016. Inclusion criteria were the presence of dermatophytes in skin culture and one severity criteria: dermal invasion by dermatophytes (invasive dermatophytosis) or involvement of at least two body sites or >10% of body surface area (extensive dermatophytosis) RESULTS: Twelve patients were included (8 men, median age of 56 years [range: 33-71])...
November 2, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29091205/risk-factors-for-subtherapeutic-levels-of-posaconazole-tablet
#13
Laura A Tang, Bernard L Marini, Lydia Benitez, Jerod L Nagel, Marisa Miceli, Caroline Berglund, Anthony J Perissinotti
Background: Posaconazole is the prophylactic antifungal of choice for patients with haematological malignancies at high risk of invasive fungal infections (IFIs). Studies have demonstrated that subtherapeutic concentrations of posaconazole are associated with breakthrough fungal infections and specific risk factors for subtherapeutic troughs associated with the suspension formulation have been identified. However, these risk factors have not been evaluated in a large patient population with the recently approved tablet formulation...
October 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29089615/genome-wide-mutagenesis-and-multi-drug-resistance-in-american-trypanosomes-induced-by-the-front-line-drug-benznidazole
#14
Mônica C Campos, Jody Phelan, Amanda F Francisco, Martin C Taylor, Michael D Lewis, Arnab Pain, Taane G Clark, John M Kelly
Chagas disease is caused by the protozoan parasite Trypanosoma cruzi and affects 5-8 million people in Latin America. Although the nitroheterocyclic compound benznidazole has been the front-line drug for several decades, treatment failures are common. Benznidazole is a pro-drug and is bio-activated within the parasite by the mitochondrial nitroreductase TcNTR-1, leading to the generation of reactive metabolites that have trypanocidal activity. To better assess drug action and resistance, we sequenced the genomes of T...
October 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29069422/a-noninvasive-rhizopus-infection-with-a-bladder-fungal-ball-in-a-patient-with-poorly-controlled-diabetes-mellitus
#15
Aaron M T Barnes, Ruben J Crespo-Diaz, Justin Cohenour, Jonathan D Kirsch, Sophie Arbefeville, Patricia Ferrieri
Here we present the first reported case of a noninvasive Rhizopus fungal ball confined to the bladder of a patient with poorly controlled diabetes and right flank pain. The patient developed bilateral hydronephrosis after several hospital admissions for urinary tract infections with multiple failed courses of antibiotics. During cystoscopy to replace a ureteral stent, he was found to harbor a fungal ball in the bladder that was removed and grew Rhizopus in culture. Patient received treatment with amphotericin B and transitioned to long-term posaconazole therapy...
October 23, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/29064123/in-vitro-antifungal-activity-of-amphotericin-b-and-eleven-comparators-against-aspergillus-terreus-species-complex
#16
Afsane Vaezi, Hamed Fakhim, Amir Arastehfar, Tahereh Shokohi, Mohammad T Hedayati, Sadegh Khodavaisy, Ali Rezaei-Matehkolaei, Parisa Badiee, Ferry Hagen, Cornelia Lass-Flörl, Eric Dannaoui, Jacques F Meis, Hamid Badali
Aspergillus terreus infections are difficult to treat because of the intrinsic resistance to amphotericin B, and higher mortality compared to infections caused by other Aspergillus species. The aim of the present study was to determine the in vitro antifungal activity of amphotericin B and eleven comparators against clinical (n = 36) and environmental (n = 45) A. terreus isolates. In vitro antifungal susceptibility was performed using the CLSI M38-A2 procedure. Amphotericin B exhibited the highest MICs (MIC range, 0...
October 24, 2017: Mycoses
https://www.readbyqxmd.com/read/29064061/molecular-characterization-and-antifungal-susceptibility-testing-of-sequentially-obtained-clinical-cryptococcus-deneoformans-and-cryptococcus-neoformans-isolates-from-ljubljana-slovenia
#17
Rok Tomazin, Tadeja Matos, Jacques F Meis, Ferry Hagen
AIM: To retrospectively investigate the epidemiology of cryptococcosis in Ljubljana, Slovenia. METHODOLOGY: Forty-six sequentially obtained isolates from 19 patients were subjected to amplified fragment length polymorphism (AFLP) genotyping, microsatellite typing, mating- and serotype PCRs and antifungal susceptibility testing. RESULTS: Majority of the isolates were Cryptococcus deneoformans (n = 29/46; 63%) followed by Cryptococcus neoformans (n = 16/46; 34...
October 24, 2017: Mycopathologia
https://www.readbyqxmd.com/read/29061761/antileishmanial-efficacy-and-pharmacokinetics-of-db766-azole-combinations
#18
April C Joice, Sihyung Yang, Abdelbasset A Farahat, Heidi Meeds, Mei Feng, Junan Li, David W Boykin, Michael Zhuo Wang, Karl A Werbovetz
Given the limitations of current antileishmanial drugs and the utility of oral combination therapy for other infections, developing an oral combination against visceral leishmaniasis should be a high priority. In vitro combination studies with DB766 and antifungal azoles against intracellular L. donovani showed that posaconazole and ketoconazole, but not fluconazole, enhanced DB766 potency. Pharmacokinetic analysis of DB766-azole combinations in uninfected Swiss Webster mice revealed that DB766 exposure was increased by higher posaconazole and ketoconazole doses, while DB766 decreased ketoconazole exposure...
October 23, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29049207/cutaneous-mucormycosis-in-a-patient-with-lupus-nephritis-a-case-report-and-review-of-literature
#19
REVIEW
Wenrong Cheng, Guoqin Wang, Min Yang, Lijun Sun, Hongrui Dong, Yipu Chen, Hong Cheng
RATIONALE: Mucormycosis is a rare fungal infection but life-threatening, especially in lupus nephritis (LN). Mucormycosis may manifest as rhino-orbital-cerebral, pulmonary, cutaneous, gastrointestinal, renal, or disseminated forms. PATIENT CONCERNS: We report a case of a 52-year-old woman with cutaneous mucormycosis infection who was admitted because of LN. DIAGNOSES: Histopathological analysis of the lesion confirmed the Rhizopus microspores from the family Mucoraceae...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29048485/isavuconazole-susceptibility-of-clinical-aspergillus-fumigatus-isolates-and-feasibility-of-isavuconazole-dose-escalation-to-treat-isolates-with-elevated-mics
#20
Jochem B Buil, Roger J M Brüggemann, Roeland E Wasmann, Jan Zoll, Jacques F Meis, Willem J G Melchers, Johan W Mouton, Paul E Verweij
Introduction: Isavuconazole is a new triazole approved for the treatment of invasive aspergillosis. We investigated isavuconazole MIC distributions, isavuconazole MIC correlations with those of other azoles and pharmacodynamics of isavuconazole in low-level resistant Aspergillus fumigatus isolates. Methods: Isavuconazole, voriconazole, itraconazole and posaconazole susceptibility of 487 clinical A. fumigatus isolates was determined by EUCAST broth microdilution methodology...
October 18, 2017: Journal of Antimicrobial Chemotherapy
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