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https://www.readbyqxmd.com/read/28532031/screening-of-process-variables-to-enhance-the-solubility-of-famotidine-with-2-hydroxypropyl-%C3%AE-cyclodextrin-pvp-k-30-by-using-plackett-burman-design-approach
#1
Umakant Verma, Jitendra B Naik, Jayesh S Patil, Sunil K Yadava
In the present work, inclusion complex of famotidine (FMT) was prepared with (2-HydroxyPropyl)-β-Cyclodextrin (HP-β-CyD) and polyvinylpyrrolidone K-30 (PVP K-30) by spray drying technique to enhance the solubility of famotidine. FMT is a potent histamine H2-receptor antagonist having low solubility as well as oral bioavailability. In order to enhance the solubility of FMT, a quality by design (QbD) approach has been used by employing Plackett-Burman design (PBD). With the application of PBD, seven independent process variables were investigated and optimized for maximum solubility...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531908/methods-and-reporting-studies-assessing-fecal-microbiota-transplantation-a-systematic-review
#2
Aïda Bafeta, Amelie Yavchitz, Carolina Riveros, Rui Batista, Philippe Ravaud
Background: Fecal microbiota transplantation (FMT) could be a novel treatment option for several chronic diseases associated with altered gut microbiota. Purpose: To examine the conduct and reporting of studies assessing FMT. Data Sources: Cochrane Central Register of Controlled Trials, PubMed, EMBASE, and Web of Science from inception to 31 January 2017. Study Selection: Two reviewers independently examined titles and abstracts to identify all English-language reports of human clinical studies assessing the safety or efficacy of FMT...
May 23, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28529633/noninvasive-assessment-of-elimination-and-retention-using-ct-fmt-and-kinetic-whole-body-modeling
#3
Wa'el Al Rawashdeh, Simin Zuo, Andrea Melle, Lia Appold, Susanne Koletnik, Yoanna Tsvetkova, Nataliia Beztsinna, Andrij Pich, Twan Lammers, Fabian Kiessling, Felix Gremse
Fluorescence-mediated tomography (FMT) is a quantitative three-dimensional imaging technique for preclinical research applications. The combination with micro-computed tomography (µCT) enables improved reconstruction and analysis. The aim of this study is to assess the potential of µCT-FMT and kinetic modeling to determine elimination and retention of typical model drugs and drug delivery systems. We selected four fluorescent probes with different but well-known biodistribution and elimination routes: Indocyanine green (ICG), hydroxyapatite-binding OsteoSense (OS), biodegradable nanogels (NG) and microbubbles (MB)...
2017: Theranostics
https://www.readbyqxmd.com/read/28529478/slow-and-fast-responses-two-mechanisms-of-trial-outcome-processing-revealed-by-eeg-oscillations
#4
Nikita A Novikov, Yulia M Nurislamova, Natalia A Zhozhikashvili, Evgenii E Kalenkovich, Anna A Lapina, Boris V Chernyshev
Cognitive control includes maintenance of task-specific processes related to attention, and non-specific regulation of motor threshold. Depending upon the nature of the behavioral tasks, these mechanisms may predispose to different kinds of errors, with either increased or decreased response time (RT) of erroneous responses relative to correct responses. Specifically, slow responses are related to attentional lapses and decision uncertainty, these conditions tending to delay RTs of both erroneous and correct responses...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28529025/how-to-establish-and-run-a-stool-bank
#5
REVIEW
Elisabeth M Terveer, Yvette H van Beurden, Abraham Goorhuis, Jos F M L Seegers, Martijn P Bauer, E van Nood, Marcel G W Dijkgraaf, Chris J J Mulder, Christina M J E Vandenbroucke-Grauls, Hein W Verspaget, Josbert J Keller, Ed J Kuijper
Since 2013, several stool banks have been developed following publications reporting on clinical success of "Fecal Microbiota Transplantation" (FMT) for recurrent Clostridium difficile infections (CDI). However, protocols for donor screening, fecal suspension preparation and transfer of the fecal suspension differ between various countries and institutions. Moreover, no European consensus exists regarding the legislative aspects of the fecal suspension product. Internationally standardized recommendations about the above mentioned aspects have not yet been established...
May 18, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28516414/optimized-mucoadhesive-coated-niosomes-as-a-sustained-oral-delivery-system-of-famotidine
#6
Al-Zahraa M Khalifa, Bazigha K Abdul Rasool
The objective of this study is to develop an oral formulation of famotidine niosomes coated with a mucoadhesive polymer, chitosan. Famotidine (FMT) has low oral bioavailability of 40-45% and short half-life between 2.5 to 4 h. Famotidine is classified as class IV in BCS because of its low aqueous solubility (0.1% w/v) and low permeability. Thus, FMT was loaded to the bioadhesive coated niosomes to improve its solubility, enhance its oral bioavailability, and sustain FMT release pattern. Different formulations were prepared by thin-film hydration method and characterized in terms of entrapment efficiency, morphological features, vesicle size, and zeta potential...
May 17, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28513974/fecal-microbiota-transplantation-outcomes-in-immunocompetent-and-immunocompromised-patients-a-single-center-experience
#7
Sally Alrabaa, Ripal Jariwala, Kristen Zeitler, Jose Montero
BACKGROUND: Clostridium difficile infection (CDI) is a major infectious disease focus for which fecal microbiota transplantation (FMT) has been used with success in various patient populations. METHODS: We conducted a retrospective study of FMT in immunocompetent and immunocompromised patients to review outcomes at our center, with a focus on identifying risk factors for FMT failure in solid organ transplant (SOT) patients. FMT was conducted using universal banked frozen stool via naso-duodenal tube in patients with recurrent CDI of 3 or more episodes per our institutional protocol...
May 17, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28506317/changes-in-microbial-ecology-after-fecal-microbiota-transplantation-for-recurrent-c-difficile-infection-affected-by-underlying-inflammatory-bowel-disease
#8
Sahil Khanna, Yoshiki Vazquez-Baeza, Antonio González, Sophie Weiss, Bradley Schmidt, David A Muñiz-Pedrogo, John F Rainey, Patricia Kammer, Heidi Nelson, Michael Sadowsky, Alexander Khoruts, Stefan L Farrugia, Rob Knight, Darrell S Pardi, Purna C Kashyap
BACKGROUND: Gut microbiota play a key role in maintaining homeostasis in the human gut. Alterations in the gut microbial ecosystem predispose to Clostridium difficile infection (CDI) and gut inflammatory disorders such as inflammatory bowel disease (IBD). Fecal microbiota transplantation (FMT) from a healthy donor can restore gut microbial diversity and pathogen colonization resistance; consequently, it is now being investigated for its ability to improve inflammatory gut conditions such as IBD...
May 15, 2017: Microbiome
https://www.readbyqxmd.com/read/28502670/direct-quantification-of-dual-protein-adsorption-dynamics-in-three-dimensional-systems-in-presence-of-cells
#9
Melika Sarem, Daniel Vonwil, Steffen Lüdeke, V Prasad Shastri
Understanding the composition of the adsorbed protein layer on a biomaterial surface is of an extreme importance as it directs the primary biological response. Direct detection using labeled proteins and indirect detection based on enzymatic assays or changes to mass, refractive index or density of a surface have been so far established. Nevertheless, using current methodologies, detection of multiple proteins simultaneously and particularly in a three-dimensional (3D) substrates is challenging, with the exception of radiolabeling...
May 11, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28501333/comparative-effectiveness-of-faecal-microbiota-transplant-by-route-of-administration
#10
Nathan D Gundacker, Jeremey B Walker, Ashutosh Tamhane, Casey D Morrow, J Martin Rodriguez
The optimal delivery of faecal microbiota transplant (FMT) is unknown. In this observational single-centre study, we analyzed the 2-week cure rates all patients who received FMT from 2013-2016 according to route of delivery. Overall, nasogastric delivery of FMT was less effective than lower endoscopy. However, when patients were stratified by illness severity, nasogastric delivery achieved similar cure rates in healthier individuals, whereas lower endoscopy was preferred for relatively ill individuals. Nasogastric delivery may be less effective than colonoscopy, however, when taking into account cost, preparation, and potential risk this difference may not be clinically significant for patients with mild disease...
May 10, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28491142/current-challenges-in-the-treatment-of-severe-clostridium-difficile-infection-early-treatment-potential-of-fecal-microbiota-transplantation
#11
REVIEW
Yvette H van Beurden, Max Nieuwdorp, Pablo J E J van de Berg, Chris J J Mulder, Abraham Goorhuis
Fecal microbiota transplantation (FMT) is a very effective treatment for recurrent Clostridium difficile infection (CDI). Less is known about the application of FMT as a curative treatment of severe or complicated CDI. In this review, we present and discuss evidence supporting the curative use of FMT in severe or complicated CDI. We performed a literature search in PubMed and Embase for studies on the curative use of FMT in severe or complicated CDI. In addition, we describe a patient with severe CDI not responding to initial antibiotic treatment, who was successfully treated with curative FMT...
April 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/28486648/faecal-microbiota-transplantation-for-inflammatory-bowel-disease-a-systematic-review-and-meta-analysis
#12
Sudarshan Paramsothy, Ramesh Paramsothy, David T Rubin, Michael A Kamm, Nadeem O Kaakoush, Hazel M Mitchell, Natalia Castaño-Rodríguez
BACKGROUND: Faecal microbiota transplantation (FMT) has been investigated as a potential treatment for inflammatory bowel disease (IBD). We thus performed a systematic review and meta-analysis assessing the effectiveness and safety of FMT in IBD. METHODS: A systematic review was conducted until Jan 2017. Studies were excluded if patients had co-infection or data was pooled across disease subtypes (ulcerative colitis (UC), Crohn's disease (CD), pouchitis). Clinical remission was established as the primary outcome...
May 9, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28484247/total-fecal-microbiota-transplantation-alleviates-high-fat-diet-induced-steatohepatitis-in-mice-via-beneficial-regulation-of-gut-microbiota
#13
Da Zhou, Qin Pan, Feng Shen, Hai-Xia Cao, Wen-Jin Ding, Yuan-Wen Chen, Jian-Gao Fan
Non-alcoholic steatohepatitis (NASH) is an epidemic metabolic disease with limited therapeutic strategies. Cumulative data support the pivotal role of gut microbiota in NASH. Here, we investigated the hypothesis regarding whether fecal microbiota transplantation (FMT) is effective in attenuating high-fat diet (HFD)-induced steatohepatitis in mice. Mice were randomized into control, HFD and HFD + FMT groups. After an 8-week HFD, FMT treatment was initiated and carried out for 8 weeks. The gut microbiota structure, butyrate concentrations of the cecal content, liver pathology and intrahepatic lipid and cytokines were examined...
May 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28473000/tracking-microbial-colonization-in-fecal-microbiota-transplantation-experiments-via-genome-resolved-metagenomics
#14
Sonny T M Lee, Stacy A Kahn, Tom O Delmont, Alon Shaiber, Özcan C Esen, Nathaniel A Hubert, Hilary G Morrison, Dionysios A Antonopoulos, David T Rubin, A Murat Eren
BACKGROUND: Fecal microbiota transplantation (FMT) is an effective treatment for recurrent Clostridium difficile infection and shows promise for treating other medical conditions associated with intestinal dysbioses. However, we lack a sufficient understanding of which microbial populations successfully colonize the recipient gut, and the widely used approaches to study the microbial ecology of FMT experiments fail to provide enough resolution to identify populations that are likely responsible for FMT-derived benefits...
May 4, 2017: Microbiome
https://www.readbyqxmd.com/read/28471618/a-retrospective-comparison-of-fecal-microbial-transplantation-methods-for-recurrent-clostridium-difficile-infection
#15
Nathaniel A Cohen, Dan M Livovsky, Shir Yaakobovitch, Merav Ben Yehoyada, Ronen Ben Ami, Amos Adler, Hanan Guzner-Gur, Eran Goldin, Moshe E Santo, Zamir Halpern, Kalman Paz, Nitsan Maharshak
BACKGROUND: Antibiotic treatment of Clostridium difficile infection (CDI) has a high failure rate. Fecal microbiota transplantation (FMT) has proven very effective in treating these recurrences. OBJECTIVES: To determine which method of fecal microbiota transplantation (upper or lower gastrointestinal) and which type of donor (a relative or unrelated) is superior. METHODS: This is a retrospective analysis of treatment protocols and outcomes in 22 patients with refractory or recurrent CDI who underwent FMT at two Israeli facilities...
October 2016: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28469705/suppression-of-cinnamoyl-coa-reductase-increases-the-level-of-monolignol-ferulates-incorporated-into-maize-lignins
#16
Rebecca A Smith, Cynthia L Cass, Mona Mazaheri, Rajandeep S Sekhon, Marlies Heckwolf, Heidi Kaeppler, Natalia de Leon, Shawn D Mansfield, Shawn M Kaeppler, John C Sedbrook, Steven D Karlen, John Ralph
BACKGROUND: The cell wall polymer lignin provides structural support and rigidity to plant cell walls, and therefore to the plant body. However, the recalcitrance associated with lignin impedes the extraction of polysaccharides from the cell wall to make plant-based biofuels and biomaterials. The cell wall digestibility can be improved by introducing labile ester bonds into the lignin backbone that can be easily broken under mild base treatment at room temperature. The FERULOYL-CoA MONOLIGNOL TRANSFERASE (FMT) enzyme, which may be naturally found in many plants, uses feruloyl-CoA and monolignols to synthesize the ester-linked monolignol ferulate conjugates...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28469619/immune-responses-to-broad-spectrum-antibiotic-treatment-and-fecal-microbiota-transplantation-in-mice
#17
Ira Ekmekciu, Eliane von Klitzing, Ulrike Fiebiger, Ulrike Escher, Christian Neumann, Petra Bacher, Alexander Scheffold, Anja A Kühl, Stefan Bereswill, Markus M Heimesaat
Compelling evidence demonstrates the pivotal role of the commensal intestinal microbiota in host physiology and the detrimental effects of its perturbations following antibiotic treatment. Aim of this study was to investigate the impact of antibiotics induced depletion and subsequent restoration of the intestinal microbiota composition on the murine mucosal and systemic immunity. To address this, conventional C57BL/6j mice were subjected to broad-spectrum antibiotic treatment for 8 weeks. Restoration of the intestinal microbiota by peroral fecal microbiota transplantation (FMT) led to reestablishment of small intestinal CD4(+), CD8(+), and B220(+) as well as of colonic CD4(+) cell numbers as early as 7 days post-FMT...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28451916/outcomes-of-fecal-microbiota-transplantation-for-clostridium-difficile-infection-in-patients-with-inflammatory-bowel-disease
#18
Alireza Meighani, Benjamin R Hart, Kassem Bourgi, Nichole Miller, Ajin John, Mayur Ramesh
BACKGROUND AND AIMS: Fecal microbiota transplantation (FMT) has recently been shown to be a promising therapy for recurrent and refractory Clostridium difficile infections (CDI) despite lack of protocol standardization. Patients with inflammatory bowel disease (IBD) present a particular challenge to CDI therapy as they are reported to have worse clinical outcomes, including higher colectomy rates and increased mortality. We aimed to assess the outcomes of FMT for recurrent CDI in patients with IBD at our healthcare system...
April 27, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28449424/fecal-microbiota-transplantation-for-refractory-and-recurrent-clostridium-difficile-infection-a-case-series-of-nine-patients
#19
Byoung Wook Bang, Jin Seok Park, Hyung Kil Kim, Yong Woon Shin, Kye Sook Kwon, Hea Yoon Kwon, Ji Hyeon Baek, Jin Soo Lee
Background/Aims: Fecal microbiota transplantation (FMT) is a highly effective therapy for refractory and recurrent Clostridium difficile infection (CDI). Despite its excellent efficacy and recent widespread use, FMT has not been widely used in South Korea thus far. We describe our experience with FMT to treat refractory/recurrent CDI. Methods: We conducted a chart review of patients who underwent FMT for refractory/recurrent CDI at Inha University Hospital, between March 2014 and June 2016...
April 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28447844/frontal-theta-band-oscillations-predict-error-correction-and-posterror-slowing-in-typing
#20
Çığır Kalfaoğlu, Tom Stafford, Elizabeth Milne
Performance errors are associated with robust behavioral and electroencephalography (EEG) effects. However, there is a debate about the nature of the relationship between these effects and implicit versus explicit error awareness. Our aim was to study the relationship between error related electrophysiological effects, such as spectral perturbations in fronto-medial theta band oscillations (FMT), and error awareness in typing. Typing has an advantage as an experimental paradigm in that detected errors are quickly and habitually signaled by the participant using backspace, allowing separation of detected from undetected errors without interruption in behavior...
April 27, 2017: Journal of Experimental Psychology. Human Perception and Performance
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