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https://www.readbyqxmd.com/read/29345156/pharmacokinetic-drug-evaluation-of-opicapone-for-the-treatment-of-parkinson-s-disease
#1
M Svetel, A Tomić, N Kresojević, V S Kostić
Opicapone (OPC) is a novel, potent, reversible, and purely peripheral third-generation COMT inhibitor, which provides an enhancement in levodopa (L-Dopa) availability. It represents adjunctive therapy for L-Dopa treated patients with PD and motor fluctuations. Areas covered: The purpose of this study was to evaluate pharmacokinetic of OPC for the treatment of PD. Expert commentary: Oral OPC exhibits linear, dose-dependent absorption. However, following concomitant ingestion of a high-fat, high-calorie meal, the maximum plasma concentration will be decreased...
January 18, 2018: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/29345135/the-deposition-and-elimination-of-glucosinolates-metabolites-derived-from-rapeseed-meal-in-eggs-of-laying-hens
#2
Liping Zhu, Jianping Wang, Xuemei Ding, Shiping Bai, Qiufeng Zeng, Zhuowei Su, Yue Xuan, Keying Zhang
This study was to investigate the deposition and elimination of glucosinolates metabolites including 5-vinyl-1,3-oxazolidine-2-thione (5-VOT) and thiocyanate ion (SCN-) derived from rapeseed meal (RSM) in hen eggs. During 12 weeks accumulation phase, the serum triiodothyronine, thyronine, blood urea nitrogen, kidney index and thyroid index linearly increased with the RSM at week 12 (P < 0.05). The thyroid histopathology revealed a sign of hyperplastic goiter in hens fed with 17.64-29.40% RSM. The 5-VOT content of eggs (Y, ng/g) was correlated with 5-VOT intake (X2, µg/d...
January 18, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29343152/impact-of-dosage-timing-on-the-bioavailability-of-oral-anticancer-medications-is-pre-prandial-dosing-equivalent-to-post-prandial-dosing
#3
Guo Yu, Dan-Na Wu, Yichao Yu, Guo-Fu Li, Hong-Hao Zhou
Many oral anticancer agents are recommended to be given either at least 1 h before or 2 h after a meal, according to the prescribing information. However, the effect of dosage timing of an oral anticancer agent with reference to food intake on anticancer treatment remains unclear. As shown by the literature survey and labeling analysis for oral anticancer drugs approved by the US Food and Drug Administration from 2010 to 2016, labeling information regarding dosage timing for several anticancer drugs appeared not be optimum, leading to suboptimal bioavailability and plasma drug concentrations...
January 1, 2018: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/29340330/efficacy-and-safety-of-sucroferric-oxyhydroxide-and-calcium-carbonate-in-hemodialysis-patients
#4
Fumihiko Koiwa, Keitaro Yokoyama, Masafumi Fukagawa, Tadao Akizawa
Introduction: In this phase III, open-label, single-arm, multi-center 12-week study, we evaluated the efficacy and safety of combination therapy with sucroferric oxyhydroxide (PA21) and calcium carbonate for hemodialysis patients with hyperphosphatemia. Methods: We enrolled 35 subjects aged ≥ 20 years with end-stage kidney disease and serum phosphorus 3.5-6.0 mg/dl who were undergoing hemodialysis 3 times weekly and taking calcium carbonate and sevelamer hydrochloride...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29340316/npt-iib-inhibition-does-not-improve-hyperphosphatemia-in-ckd
#5
Tobias E Larsson, Chisato Kameoka, Ikumi Nakajo, Yuta Taniuchi, Satoshi Yoshida, Tadao Akizawa, Ronald A Smulders
Introduction: Serum phosphate levels are insufficiently controlled in many patients with end-stage renal disease (ESRD), and novel therapeutic strategies are needed. Blocking intestinal phosphate absorption mediated by sodium-dependent phosphate co-transporter type 2b (NPT-IIb) holds promise; thus, we evaluated the efficacy, safety, tolerability, and pharmacokinetics of the novel and specific small molecule NPT-IIb inhibitor ASP3325 for the first time in humans. Methods: We conducted a randomized, double-blind, placebo-controlled, phase 1a single (n = 88) and multiple (n = 36) ascending dose study in healthy subjects, and a randomized, open-label, uncontrolled, phase 1b study in hyperphosphatemic ESRD patients on hemodialysis (single oral dose, n = 5; multiple oral doses, n = 17)...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29339035/the-effect-of-dietary-carbohydrate-on-gastroesophageal-reflux-disease
#6
Keng-Liang Wu, Chung-Mou Kuo, Chih-Chien Yao, Wei-Chen Tai, Seng-Kee Chuah, Chee-Sang Lim, Yi-Chun Chiu
BACKGROUND: Acid changes in gastroesophageal reflux with vary component in the food have less been studied, especially carbohydrate. We plan to clarify the effect of different carbohydrate density on low esophageal acid and reflux symptoms of patients with gastroesophgeal reflux disease. METHODS: Twelve patients (52 ± 12 years old; five female) with gastroesophageal reflux disease were recruited for the prospective crossover study. Each patient was invited for panendoscope, manometry and 24 h pH monitor...
January 12, 2018: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/29335056/vegetable-and-fruit-consumption-among-chinese-adults-and-associated-factors-a-nationally-representative-study-of-170-847-adults
#7
Yi Chong Li, Bo Jiang, Mei Zhang, Zheng Jing Huang, Qian Deng, Mai Geng Zhou, Zhen Ping Zhao, You Fa Wang, Li Min Wang
OBJECTIVE: This study examined vegetable and fruit (VF) consumption rate and its associated factors among Chinese adults. METHODS: Nationally representative data from the 2013 China Chronic Disease Surveillance survey were used. Dietary intake data, including VF consumption during the last 12 months, were collected. All analyses were weighted to obtain nationally representative estimates. Associations between VF consumption and other factors (e.g., meal frequency and physical activity) were examined through logistic regression analysis...
December 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/29332677/pilot-study-of-sleep-and-meal-timing-effects-independent-of-sleep-duration-and-food-intake-on-insulin-sensitivity-in-healthy-individuals
#8
Theresa Pizinger, Kyle Kovtun, Arindam RoyChoudhury, Blandine Laferrère, Ari Shechter, Marie-Pierre St-Onge
This pilot study tested the independent and interactive effects of sleep and meal times, under identical sleep duration and feeding conditions, on insulin sensitivity (Si) in overweight adults. Participants underwent a 4-phase randomized crossover inpatient study differing in sleep times: normal (Ns: 0000-0800 hours) or late (Ls: 0330-1130 hours); and in meal times: normal (Nm: 1, 5, 11, and 12.5 hours after awakening) or late (Lm: 4.5, 8.5, 14.5, and 16 hours after awakening). An insulin-modified frequently sampled intravenous glucose tolerance test, at scheduled breakfast time, and a meal tolerance test, at scheduled lunch time, were performed to assess Si after 3 days in each condition...
February 2018: Sleep Health
https://www.readbyqxmd.com/read/29330426/glucose-independent-segmental-phase-angles-from-multi-frequency-bioimpedance-analysis-to-discriminate-diabetes-mellitus
#9
Min-Ho Jun, Soochan Kim, Boncho Ku, JungHee Cho, Kahye Kim, Ho-Ryong Yoo, Jaeuk U Kim
We investigated segmental phase angles (PAs) in the four limbs using a multi-frequency bioimpedance analysis (MF-BIA) technique for noninvasively diagnosing diabetes mellitus. We conducted a meal tolerance test (MTT) for 45 diabetic and 45 control subjects stratified by age, sex and body mass index (BMI). HbA1c and the waist-to-hip-circumference ratio (WHR) were measured before meal intake, and we measured the glucose levels and MF-BIA PAs 5 times for 2 hours after meal intake. We employed a t-test to examine the statistical significance and the area under the curve (AUC) of the receiver operating characteristics (ROC) to test the classification accuracy using segmental PAs at 5, 50, and 250 kHz...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329230/metagenomic-virome-analysis-of-culex-mosquitoes-from-kenya-and-china
#10
Evans Atoni, Yujuan Wang, Samuel Karungu, Cecilia Waruhiu, Ali Zohaib, Vincent Obanda, Bernard Agwanda, Morris Mutua, Han Xia, Zhiming Yuan
Many blood-feeding arthropods are known vectors of viruses that are a source of unprecedented global health concern. Mosquitoes are an integral part of these arthropod vectors. Advancements in next-generation sequencing and bioinformatics has expanded our knowledge on the richness of viruses harbored by arthropods. In the present study, we applied a metagenomic approach to determine the intercontinental virome diversity of Culex quinquefasciatus and Culex tritaeniorhynchus in Kwale, Kenya and provinces of Hubei and Yunnan in China...
January 12, 2018: Viruses
https://www.readbyqxmd.com/read/29325557/bidirectional-associations-between-mothers-feeding-practices-and-child-eating-behaviours
#11
Elena Jansen, Kate E Williams, Kimberley M Mallan, Jan M Nicholson, Lynne A Daniels
BACKGROUND: This study examined bidirectional relationships between maternal feeding practices and child food responsiveness and satiety responsiveness from 2 to 5 years. METHODS: Mothers (N = 207) reported their own feeding practices and child eating behaviours using validated questionnaires at child ages 2, 3.7, and 5 years. Cross-lagged analyses were conducted to test for bidirectional effects, adjusting for child BMI z-score (based on measured weight and height) at 14 months...
January 11, 2018: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/29324978/effect-of-fish-meal-supplementation-on-luteal-sensitivity-to-intrauterine-infusions-of-prostaglandin-f2alpha-in-the-bovine
#12
Michele R Plewes, Jessica C Cedillo, Patrick D Burns, Peter E Graham, Jason E Bruemmer, Terry E Engle
Progesterone is a steroid hormone secreted from the corpus luteum (CL), which is responsible for establishment and maintenance of pregnancy. Early embryonic mortality often occurs due to inadequate regulation of uterine prostaglandin (PG) F2alpha secretion, leading to decrease in progesterone and loss of pregnancy. The objective of the current study was to determine the effects of fish meal supplementation on luteal sensitivity to intrauterine infusions of PGF2alpha. Non-lactating beef cows received corn gluten meal or fish meal supplementation for 60-days...
January 9, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29324186/impact-of-sodium-citrate-ingestion-during-recovery-after-dehydrating-exercise-on-rehydration-and-subsequent-40-km-cycling-time-trial-performance-in-the-heat
#13
Silva Suvi, Martin Mooses, Saima Timpmann, Luule Medijainen, Daria Narõškina, Eve Unt, Vahur Ööpik
The purpose of this study was to assess the impact of sodium citrate (CIT) ingestion (600 mg·kg<sup>‒1</sup>) during recovery from dehydrating cycling exercise (DE) on subsequent 40-km cycling performance in a warm environment (32 °C). Twenty male non-heat-acclimated endurance athletes exercised in the heat until 4% body mass (BM) loss occurred. After 16 h recovery with consumption of water ad libitum and prescribed diet (evening meal 20 kcal·kg<sup>‒1</sup>, breakfast 12 kcal·kg<sup>‒1</sup>) supplemented in a double-blind, randomized, crossover manner with CIT or placebo (PLC), they performed 40-km time-trial (TT) on a cycle ergometer in a warm environment...
January 11, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29323406/type-and-timing-of-dietary-acid-intake-and-tooth-wear-among-american-adults
#14
Lynn H Al-Zwaylif, Saoirse O'Toole, Eduardo Bernabé
OBJECTIVES: To explore the interrelationship between type and timing of dietary acid intake and tooth wear among American adults. METHODS: This study used data from 3,586 adults, aged 18 years and older, who participated in the National Health and Nutrition Examination Survey (NHANES) 2003-04. Information on four types of acidic food and beverages (fruits, fruit juices, alcoholic drinks, and soft drinks) and timing of consumption (meals versus snacks, defined according to percentage of total energy intake, self-reported eating occasion, and time of day) was extracted from two 24-hour dietary recalls...
January 11, 2018: Journal of Public Health Dentistry
https://www.readbyqxmd.com/read/29322231/the-effect-of-food-on-the-pharmacokinetics-of-niraparib-a-poly-adp-ribose-polymerase-parp-inhibitor-in-patients-with-recurrent-ovarian-cancer
#15
Kathleen Moore, Zhi-Yi Zhang, Shefali Agarwal, Howard Burris, Manish R Patel, Vikram Kansra
PURPOSE: Niraparib is a highly selective inhibitor of PARP-1 and PARP-2 approved in the United States for maintenance treatment of adult patients with recurrent ovarian cancer in complete or partial response to platinum-based chemotherapy. In this open-label crossover study, we evaluated the effects of food on niraparib pharmacokinetics (PK) and safety. METHODS: Patients received a single 300-mg dose of niraparib either after a high-fat meal or under fasting conditions...
January 10, 2018: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29319810/the-second-phase-of-insulin-secretion-in-non-diabetic-islet-grafted-recipients-is-altered-and-can-predict-graft-outcome
#16
Orianne Villard, Jean Frédéric Brun, Lisa Bories, Nicolas Molinari, Pierre Yves Benhamou, Thierry Berney, Anne Wojtusciszyn
INTRODUCTION: Islet transplantation (IT) can treat patients with severely unstable type 1 diabetes. Pre-hepatic kinetics of insulin-secretion (ISec) in two phases can be calculated by C-peptide levels during meal tests. We propose to describe insulin secretion profile after a Mixed-Meal Tolerance Test (MMTT) in IT patients and to determine whether the calculated indexes of ISec can predict graft outcome. METHODS: We analyzed 34 MMTT among 11 patients who received an IT between 2011 and 2016 and compared them to healthy controls (C) and type 2 diabetic (T2D) patients...
January 8, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29319446/comparison-of-absorption-characteristics-of-oral-reference-and-compounded-itraconazole-formulations-in-healthy-cats
#17
Dianne I Mawby, Jacqueline C Whittemore, Leanne E Fowler, Mark G Papich
OBJECTIVE To compare absorption characteristics of orally administered compounded itraconazole capsules and suspension with those of reference (brand-name) formulations in healthy cats. DESIGN Randomized crossover study. ANIMALS 8 healthy adult cats. PROCEDURES After 12 hours of food withholding, cats received 50 mg of itraconazole (reference capsule, reference solution, compounded capsule, and compounded suspension) in a randomized crossover design, with a 21-day washout period. Capsules were administered with a small meal...
January 15, 2018: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29318700/time-course-and-dynamics-of-obesity-related-behavioral-changes-induced-by-energy-dense-foods-in-mice
#18
Jose Espinosa-Carrasco, Aurelijus Burokas, Marta Fructuoso, Ionas Erb, Elena Martín-García, Miriam Gutiérrez-Martos, Cedric Notredame, Rafael Maldonado, Mara Dierssen
Obesity represents an important risk factor contributing to the global burden of disease. The current obesogenic environment with easy access to calorie-dense foods is fueling this obesity epidemic. However, how these foods contribute to the progression of feeding behavior changes that lead to overeating is not well understood and needs systematic assessment. Using novel automated methods for the high-throughput screening of behavior, we here examine mice meal pattern upon long-term exposure to a free-choice chocolate-mixture diet and a high-fat diet with face validity for a rapid development of obesity induced by unhealthy food regularly consumed in our societies...
January 10, 2018: Addiction Biology
https://www.readbyqxmd.com/read/29318392/relationship-between-melatonin-and-bone-resorption-rhythms-in-premenopausal-women
#19
Melissa A St Hilaire, Shadab A Rahman, Joshua J Gooley, Paula A Witt-Enderby, Steven W Lockley
Although evidence exists for a daily rhythm in bone metabolism, the contribution of factors such as melatonin levels, the light-dark cycle, and the sleep-wake cycle is difficult to differentiate given their highly correlated time courses. To examine these influences on bone resorption, we collected 48-h sequential urine samples under both ambulatory (8-h sleep:16-h wake) and constant routine (CR) (constant wake, posture, nutrition and dim light) conditions from 20 healthy premenopausal women. Urinary 6-sulphatoxymelatonin (aMT6s; ng/h) and the bone resorption marker amino-terminal cross-linked collagen I telopeptide (NTx; bone collagen equivalents nM/h) were assayed and fit by cosinor models to determine significant 24-h rhythms and acrophase...
January 9, 2018: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29318244/metabolic-fate-of-strawberry-polyphenols-after-chronic-intake-in-healthy-older-adults
#20
Amandeep K Sandhu, Marshall G Miller, Nopporn Thangthaeng, Tammy M Scott, Barbara Shukitt-Hale, Indika Edirisinghe, Britt Burton-Freeman
Strawberries contain a wide array of nutrients and phytochemicals including polyphenols such as anthocyanins, proanthocyanidins and ellagitannins. These polyphenols are absorbed and metabolized to various phenolic metabolites/conjugates in the body, which may play a role in disease risk reduction. In the present study, we investigated the metabolic fate of strawberry polyphenols after chronic (90 days) supplementation of freeze-dried strawberry (24 g d-1, equivalent to 2 cups of fresh strawberries) vs. control powder in 19 healthy older adults...
January 10, 2018: Food & Function
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