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https://www.readbyqxmd.com/read/28612303/additive-proarrhythmic-effect-of-combined-treatment-with-qt-prolonging-agents
#1
Gerrit Frommeyer, Christina Fischer, Christian Ellermann, Dirk G Dechering, Simon Kochhäuser, Philipp S Lange, Kristina Wasmer, Michael Fehr, Lars Eckardt
Drug combinations may elevate the risk of proarrhythmia. The aim of the present study was to investigate whether combinations of non-cardiovascular agents induce an additive increase in the proarrhythmic risk. In 12 female rabbit hearts, a drug combination of cotrimoxazole (300 µM), ondansetron (5 µM) and domperidone (1 µM) was infused after obtaining baseline data. In another 13 hearts, a combination of cotrimoxazole (300 µM), ondansetron (5 µM) and erythromycin (300 µM) was infused. Monophasic action potentials and ECG displayed a significant QT prolongation in all groups...
June 13, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28607547/omeprazole-domperidone-fixed-dose-combination-vs-omeprazole-monotherapy-a-phase-4-open-label-comparative-parallel-randomized-controlled-study-in-mild-to-moderate-gastroesophageal-reflux-disease
#2
K Y Marakhouski, G A Karaseva, D N Ulasivich, Y Kh Marakhouski
AIM: To compare the efficacy and safety of omeprazole-domperidone combination vs omeprazole monotherapy in gastroesophageal reflux disease (GERD). METHODS: In a comparative, randomized controlled, phase 4 study, outpatients with GERD were randomly allocated to either group 1 (omeprazole 20 mg + domperidone 30 mg) or group 2 (omeprazole 20 mg) in an equal ratio; 2 capsules daily in the morning were administered for 8 weeks. RESULTS: Sixty patients were enrolled...
2017: Clinical Medicine Insights. Gastroenterology
https://www.readbyqxmd.com/read/28600746/dopamine-induces-inhibitory-effects-on-the-circular-muscle-contractility-of-mouse-distal-colon-via-d1-and-d2-like-receptors
#3
Michelangelo Auteri, Maria Grazia Zizzo, Antonella Amato, Rosa Serio
Dopamine (DA) acts as gut motility modulator, via D1- and D2-like receptors, but its effective role is far from being clear. Since alterations of the dopaminergic system could lead to gastrointestinal dysfunctions, a characterization of the enteric dopaminergic system is mandatory. In this study, we investigated the role of DA and D1- and D2-like receptors in the contractility of the circular muscle of mouse distal colon by organ-bath technique. DA caused relaxation in carbachol-precontracted circular muscle strips, sensitive to domperidone, D2-like receptor antagonist, and mimicked by bromocriptine, D2-like receptor agonist...
June 9, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28588251/fused-deposition-modeling-fdm-3d-printed-tablets-for-intragastric-floating-delivery-of-domperidone
#4
Xuyu Chai, Hongyu Chai, Xiaoyu Wang, Jingjing Yang, Jin Li, Yan Zhao, Weimin Cai, Tao Tao, Xiaoqiang Xiang
The aim of this study was to explore the feasibility of fused deposition modeling (FDM) 3D printing to prepare intragastric floating sustained release (FSR) tablets. Domperidone (DOM), an insoluble weak base, was chosen as a model drug to investigate the potential of FSR in increasing its oral bioavailability and reducing its administration frequency. DOM was successfully loaded into hydroxypropyl cellulose (HPC) filaments using hot melt extrusion (HME). The filaments were then printed into hollow structured tablets through changing the shell numbers and the infill percentages...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28554903/author-response-safety-of-domperidone-in-treating-nausea-associated-with-dihydroergotamine-infusion-and-headache
#5
Nathaniel M Robbins, Peter J Goadsby
No abstract text is available yet for this article.
May 30, 2017: Neurology
https://www.readbyqxmd.com/read/28554902/letter-re-safety-of-domperidone-in-treating-nausea-associated-with-dihydroergotamine-infusion-and-headache
#6
Alain Braillon
No abstract text is available yet for this article.
May 30, 2017: Neurology
https://www.readbyqxmd.com/read/28523027/effects-of-domperidone-in-combination-with-omeprazole-in-the-treatment-of-chronic-superficial-gastritis
#7
Fengxiu Wang, Xiaoqi Zhang, Jinqiang Wang
OBJECTIVE: To find out the effects of domperidone in combination with omeprazole in the treatment of chronic superficial gastritis (CSG). METHODS: Ninety-six patients who suffered from CSG and received treatment in the Binzhou People's Hospital from July 2013 to July 2014 were selected as research subjects. They were divided into a control group (48 cases) and a test group (48 cases) using double blind method. Patients in the control group were treated by omeprazole, while patients in the observation group were treated by domperidone in combination with omeprazole...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28516373/class-side-effects-decreased-pressure-in-the-lower-oesophageal-and-the-pyloric-sphincters-after-the-administration-of-dopamine-antagonists-neuroleptics-anti-emetics-l-name-pentadecapeptide-bpc-157-and-l-arginine
#8
Zeljka Belosic Halle, Josipa Vlainic, Domagoj Drmic, Dean Strinic, Kresimir Luetic, Mario Sucic, Maria Medvidovic-Grubisic, Tatjana Pavelic Turudic, Igor Petrovic, Sven Seiwerth, Predrag Sikiric
The ulcerogenic potential of dopamine antagonists and L-NAME in rats provides unresolved issues of anti-emetic neuroleptic application in both patients and experimental studies. Therefore, in a 1-week study, we examined the pressures within the lower oesophageal and the pyloric sphincters in rats [assessed manometrically (cm H2O)] after dopamine neuroleptics/prokinetics, L-NAME, L-arginine and stable gastric pentadecapeptide BPC 157 were administered alone and/or in combination. Medication (/kg) was given once daily intraperitoneally throughout the 7 days, with the last dose at 24 h before pressure assessment...
May 17, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28486375/domperidone-for-lactation-what-health-care-providers-need-to-know
#9
Catherine A Sewell, Christina Y Chang, Miriam M Chehab, Christine P Nguyen
This commentary serves to raise health care provider awareness about the regulatory status and available evidence regarding domperidone for insufficient lactation. Breastfeeding provides significant health benefits for mothers and infants, and insufficient milk production remains the most common reason for early weaning. Domperidone, a dopamine receptor antagonist that may increase milk production, is not approved for any human use in the United States. It is approved in some countries for certain gastrointestinal disorders, but is not approved in any country for lactation enhancement...
June 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28461264/development-of-nanostructured-lipid-carriers-for-intraoral-delivery-of-domperidone
#10
Carolin Tetyczka, Martin Griesbacher, Markus Absenger-Novak, Eleonore Fröhlich, Eva Roblegg
The oral cavity displays one potentially attractive route that is not associated with gastric transit and hepatic first pass metabolism. However, poorly soluble active candidates require a drug delivery system to facilitate their transport through oral biological membranes. To this end, nanostructured lipid carriers (NLC) were loaded with Domperidone and produced with high pressure homogenization. NLC were characterized regarding particle size, particle size distribution, zeta potential, entrapment efficiency and crystallinity...
April 29, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28459658/enhanced-oral-bioavailability-of-domperidone-with-piperine-in-male-wistar-rats-involvement-of-cyp3a1-and-p-gp-inhibition
#11
Bhargavi Latha Athukuri, Prasad Neerati
PURPOSE: Domperidone is a commonly used antiemetic drug. The oral bioavailability of domperidone is very low due to its rapid first pass metabolism in the intestine and liver. Piperine, the main alkaloid present in black pepper has been reported to show inhibitory effects on Cytochrome P-450 (CYP-450) enzymes and P-glycoprotein (P-gp). In the present study we investigated the effect of piperine pretreatment on the intestinal transport and oral bioavailability of domperidone in male Wistar rats...
2017: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28440671/domperidone-the-forbidden-fruit
#12
Philip O Anderson
No abstract text is available yet for this article.
June 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28425352/overdose-in-young-children-treated-with-anti-reflux-medications-poisons-enquiry-evidence-of-excess-10-fold-dosing-errors-with-ranitidine
#13
C Crawford, M Anderson, G Cooper, G Jackson, J Thompson, A Vale, Shl Thomas, M Eddleston, D N Bateman
BACKGROUND: Accidental drug overdose is a common problem in young children. We examined the influence of formulation and dose in enquiries for different gastro-oesophageal reflux disease treatments in children under 5 years to the UK's National Poisons Information Service. METHODS: Overdose characteristics with ranitidine, omeprazole or domperidone were compared with those of metoclopramide and the H-1 antagonist chlorphenamine, for the period 1 July 2007 to 30 June 2015...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28424994/modulation-of-gastrointestinal-motility-beyond-metoclopramide-and-domperidone-pharmacological-and-clinical-evidence-for-phytotherapy-in-functional-gastrointestinal-disorders
#14
Ahmed Madisch, Bettina R Vinson, Heba Abdel-Aziz, Olaf Kelber, Karen Nieber, Karin Kraft, Martin Storr
The prokinetic cisapride, an important therapeutic option in functional gastrointestinal (GI) disorders, was withdrawn from the market 15 years ago due to rare severe side effects. Likewise in 2014, the use of metoclopramide (MCP) and domperidone in functional GI disorders (FGID) was restricted, consequently leaving a therapeutic gap in clinical practice. A systematic review revealed that the herbal medicinal product (HMP) STW 5 presents a therapeutic option equivalent to MCP and cisapride. STW 5 is the only HMP for which efficacy has been shown in randomized controlled clinical trials (RCTs) in functional dyspepsia and irritable bowel syndrome, based on its multitarget effect on numerous etiological factors...
May 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28415523/simultaneous-voltammetric-analysis-of-anti-ulcer-and-d2-antagonist-agents-in-binary-mixture-using-redox-sensor-and-their-determination-in-human-serum
#15
Pakinaz Y Khashaba, Hassan Refat H Ali, Mohamed M El-Wekil
Pencil graphite electrode was successfully modified with a thin film of poly (eriochrome black T) and applied for the sensitive and selective voltammetric simultaneous determination of pantoprazole sodium and domperidone in a binary mixture. The preparation and basic electrochemical behavior of poly (eriochrome black T) film on the Pencil graphite electrode were investigated. The modified electrode has exhibited very high electro-catalytic activity towards the cited mixture. The anodic peaks of the both species were well defined with enhanced oxidation peak currents...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28356304/erythromycin-prophylaxis-against-recurrent-small-bowel-obstruction
#16
Emily Rea, Emma Husbands
We describe three cases where erythromycin suspension has been used successfully in preventing recurrence of small bowel obstruction in patients with terminal illness and for whom it proved more effective than standard preparations such as metoclopramide and domperidone. These patients also experienced a longer term benefit over some months. With recent alerts over longer term use of metoclopramide and domperidone, we demonstrate that erythromycin is a viable alternative prokinetic in patients with terminal illness at risk of small bowel obstruction instead of or alongside metoclopramide and domperidone...
March 29, 2017: BMJ Supportive & Palliative Care
https://www.readbyqxmd.com/read/28339378/stability-of-allopurinol-amitriptyline-hydrochloride-carbamazepine-domperidone-isoniazid-ketoconazole-lisinopril-naproxen-paracetamol-acetaminophen-and-sertraline-hydrochloride-in-syrspend-sf-ph4-oral-suspensions
#17
Hudson C Polonini, Sharlene Loures, Edson Peter de Araujo, Marcos Antônio F Brandão, Anderson O Ferreira
Oral liquids are safe alternatives to solid dosage forms, notably for elderly and pediatric patients that present dysphagia. The use of ready-to-use suspending vehicles such as SyrSpend SF PH4 is a suitable resource for pharmacists as they constitute a safe and timesaving option that has been studied often. The objective of this study was to evaluate the stability of 10 commonly used active pharmaceutical ingredients (allopurinol 20 mg/mL; amitriptyline hydrochloride 10 mg/mL; carbamazepine 25 mg/mL; domperidone 5 mg/mL; isoniazid 10 mg/mL; ketoconazole 20 mg/mL; lisinopril 1 mg/mL; naproxen 25 mg/mL; paracetamol [acetaminophen] 50 mg/mL; and sertraline hydrochloride 10 mg/mL) compounded in oral suspensions using SyrSpend SF PH4 as the vehicle throughout the study period and stored both at controlled refrigerated (2°C to 8°C) and room temperature (20°C to 25°C)...
September 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28272861/analysis-of-the-glutamate-agonist-ly404-039-binding-to-nonstatic-dopamine-receptor-d2-dimer-structures-and-consensus-docking
#18
Ramin Ekhteiari Salmas, Philip Seeman, Busecan Aksoydan, Ismail Erol, Isik Kantarcioglu, Matthias Stein, Mine Yurtsever, Serdar Durdagi
Dopamine receptor D2 (D2R) plays an important role in the human central nervous system and is a focal target of antipsychotic agents. The D2(High)R and D2(Low)R dimeric models previously developed by our group are used to investigate the prediction of binding affinity of the LY404,039 ligand and its binding mechanism within the catalytic domain. The computational data obtained using molecular dynamics simulations fit well with the experimental results. The calculated binding affinities of LY404,039 using MM/PBSA for the D2(High)R and D2(Low)R targets were -12...
March 22, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28257588/lactation-induction-in-a-commissioned-mother-by-surrogacy-effects-on-prolactin-levels-milk-secretion-and-mother-satisfaction
#19
Emilie Zingler, Angélica Amorim Amato, Alysson Zanatta, Maria de Fátima Brito Vogt, Miriam da Silva Wanderley, Coríntio Mariani Neto, Alberto Moreno Zaconeta
Case report of a 39-year-old intended mother of a surrogate pregnancy who underwent induction of lactation by sequential exposure to galactagogue drugs (metoclopramide and domperidone), nipple mechanical stimulation with an electric pump, and suction by the newborn. The study aimed to analyze the effect of each step of the protocol on serum prolactin levels, milk secretion and mother satisfaction, in the set of surrogacy. Serum prolactin levels and milk production had no significant changes. Nevertheless, the mother was able to breastfeed for four weeks, and expressed great satisfaction with the experience...
February 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28192847/-gastroparesis-in-noonan-syndrome
#20
Konstantin G Heimrich, Falk Gühne, Solveig Schulz, Stephanie Mutschke, Andreas Stallmach, Jessica Rüddel
We present a case of a 26-year-old female patient with bloating, postprandial nausea and recurrent vomiting after solid food intake. A gastric emptying scintigraphy showed a delayed gastric emptying, defining gastroparesis. Because of her past medical history of short stature and pulmonary stenosis, we initiated genetic counseling where the diagnosis of Noonan syndrome was made. Dietary therapy and medication with domperidone quickly led to relief of the discomfort due to gastroparesis. However, prokinetics are not indicated for long-term therapy, as cardiac arrhythmia may occur...
February 2017: Zeitschrift Für Gastroenterologie
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