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https://www.readbyqxmd.com/read/28327932/integrated-safety-analysis-of-rolapitant-with-coadministered-drugs-from-phase-ii-iii-trials-an-assessment-of-cyp2d6-or-bcrp-inhibition-by-rolapitant
#1
S Barbour, T Smit, X Wang, D Powers, S Arora, V Kansra, M Aapro, J Herrstedt
Background: Rolapitant, a long-acting neurokinin (NK) 1 receptor antagonist (RA), has demonstrated efficacy in prevention of chemotherapy-induced nausea and vomiting in patients administered moderately or highly emetogenic chemotherapy. Unlike other NK 1 RAs, rolapitant does not inhibit or induce cytochrome P450 (CYP) 3A4, but it does inhibit CYP2D6 and breast cancer resistance protein (BCRP). To analyze potential drug-drug interactions between rolapitant and concomitant medications, this integrated safety analysis of four double-blind, randomized phase II or III studies of rolapitant examined adverse events by use versus non-use of drug substrates of CYP2D6 or BCRP...
February 23, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28322837/role-of-prostanoid-ep3-1-receptors-in-mechanisms-of-emesis-and-defaecation-in-ferrets
#2
Kelvin K W Kan, Man K Wai, Robert L Jones, John A Rudd
Prostanoid EP receptor agonists are used for a number of clinical indications but may be associated with gastric disturbance. In the present studies we used the ferret and sulprostone (30µg/kg, i.p.) to investigate the role of EP3/1 receptors in mechanisms of emesis and defaecation. The emetic response was antagonized significantly by (+)-(2S,3S)-3-(2-methoxybenzylamino)-2-phenlypiperidine hydrochloride (CP-99,994; 10mg/kg, i.p.; P<0.05), but not by metoclopramide (0.3 and 3mg/kg), ondansetron (0.1 and 1mg/kg), or scopolamine (3mg/kg); promethazine (3mg/kg) potentiated emesis by approximately 82% (P<0...
March 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28298780/effects-of-inhaled-nitrous-oxide-on-the-induction-dose-and-time-requirements-of-propofol-a-prospective-randomized-double-blind-study
#3
Kavita Jain, Surendra Kumar Sethi, Mamta Damor, Neena Jain
CONTEXT: Propofol is a commonly used induction agent during general anesthesia. As a sole agent, it does not provide any strong analgesic effect. The nitrous oxide (N2O) used along with propofol for induction of anesthesia augments the induction characteristics and reduces the dose of propofol. AIMS: To study the effects of inhaled N2O on the induction dose and time of propofol during general anesthesia and also its hemodynamic response and adverse effects. SETTINGS AND DESIGN: The present research is a prospective, randomized, double-blind comparative study...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28298761/a-comparative-evaluation-of-ramosetron-with-ondansetron-for-the-prevention-of-postoperative-nausea-and-vomiting-in-patients-undergoing-urological-procedures
#4
Samiullah Mujoo, Zulfiqar Ali, Majid Jehangir, Asif Iqbal, Nargis Qayoom, Abdul Qayoom Lone
BACKGROUND: Postoperative nausea and vomiting (PONV) is a common problem causing distress to patients in the postoperative period. Younger age, gynecological surgeries, laparoscopic surgeries, female gender, volatile anesthetics, increased duration of anesthesia, and postoperative opioid use are associated with increased incidence of PONV. AIM: The present study was conducted to study the efficacy of ramosetron and its comparison with ondansetron in the prevention of PONV in patients undergoing pyelolithotomy, pyeloplasty, and upper ureterolithotomy...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28293046/efficacy-of-risperidone-augmentation-with-ondansetron-in-the-treatment-of-negative-and-depressive-symptoms-in-schizophrenia-a-randomized-clinical-trial
#5
Roya Samadi, Susan Soluti, Reza Daneshmand, Shervin Assari, Ali Akhoundpour Manteghi
BACKGROUND: Given the potential role of the 5-hydroxytryptamine-3 receptor in the pathogenesis of schizophrenia, this study was performed to determine whether ondansetron plus risperidone could reduce the negative and depressive symptoms in patients with treatment-resistant schizophrenia. METHODS: In a double-blinded, placebo-controlled, randomized trial (IRCT registration # 201112125280N7), in 2012-2013 in Mashhad, Iran, 38 patients with treatment-resistant schizophrenia received risperidone either combined with a fixed dose (4-8 mg/d) of ondansetron (n=18) or with a placebo (n=20) for 12 weeks...
January 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28291778/efficacy-and-safety-of-5-hydroxytryptamine-3-receptor-antagonists-in-irritable-bowel-syndrome-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#6
Yongping Zheng, Ting Yu, Yurong Tang, Wenjie Xiong, Xiaoxue Shen, Ling Jiang, Lin Lin
AIM: We assessed the efficacy and safety of 5-hydroxytryptamine (5-HT3) receptor antagonists in adults with non-constipated irritable bowel syndrome (IBS) or diarrhea-predominant IBS (IBS-D). METHODS: We searched PubMed, MEDLINE, EMBASE, and the Cochrane Controlled Trials Register for randomized controlled trials (RCTs) involving adults with non-constipated IBS or IBS-D that compared 5-HT3 receptor antagonists with placebo or other conventional treatment. Dichotomous symptom data were pooled to obtain the relative risk (RR) and 95% confidence intervals (CIs) for improving global IBS symptoms, abdominal pain and abnormal bowel habits, or stool consistency symptoms after therapy, and adverse events, including constipation...
2017: PloS One
https://www.readbyqxmd.com/read/28289619/the-effect-of-ondansetron-and-dexamethasone-on-nausea-and-vomiting-under-spinal-anesthesia
#7
Navid Kalani, Hasan Zabetian, Mohammad Sadegh Sanie, Mansour Deylami, Mohammad Radmehr, Reza Sahraei, Hossein Kargar Jahromi, Wesam Kooti
BACKGROUND: During abdominal surgery under regional anesthesia, nausea may happen due to several contributing factors. This study compared the effects of ondansetron and dexamethasone on nausea and vomiting under spinal anesthesia. METHODS: One hundred and twenty patients of 15 to 35 years old with ASA class I and II were enrolled. Before administering either ondansetron or dexamethasone, blood pressure and heart rate of the patients were recorded. The patients received 70 mg of 5% lidocaine for spinal anesthesia...
January 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28277412/the-use-of-a-triage-based-protocol-for-oral-rehydration-in-a-pediatric-emergency-department
#8
Marissa A Hendrickson, Jennifer Zaremba, Andrew R Wey, Philippe R Gaillard, Anupam B Kharbanda
BACKGROUND: Guidelines recommend oral rehydration therapy (ORT) and avoidance of laboratory tests and intravenous fluids for mild to moderate dehydration in children with gastroenteritis; oral ondansetron has been shown to be an effective adjunct. OBJECTIVES: The aim of this study was to determine if a triage-based, nurse-initiated protocol for early provision of ondansetron and ORT could safely improve the care of pediatric emergency department (ED) patients with symptoms of gastroenteritis...
March 9, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28276811/new-therapeutic-options-for-ibs-the-role-of-the-first-in-class-mixed-%C3%A2%C2%B5-opioid-receptor-agonist-and-%C3%AE-opioid-receptor-antagonist-mudelta-eluxadoline
#9
Maura Corsetti, Peter Whorwell
Irritable bowel syndrome (IBS) is a prevalent functional gastrointestinal disorder which represents a major cost to healthcare services. IBS-D patients represent about one-third of the IBS population and are currently treated with antispasmodics, loperamide, bile acid sequestrants and antidepressants. Alosetron and rifaximin are also available in USA, ramosetron in Japan, Korea and Thailand and ondansetron as an off-label treatment. Areas covered: This article focuses on eluxadoline, a novel pharmacological agent that has recently been approved by both the FDA and EMA for treatment of patients with IBS-D...
April 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28260943/efficacy-of-ondansetron-for-the-prevention-of-propofol-injection-pain-a-meta-analysis
#10
Shenglin Pei, Chengmao Zhou, Yu Zhu, Bing Huang
AIM: This review was performed to investigate the effect of ondansetron on the prevention of propofol injection pain. METHODS: PubMed, Cochrane Library, and China National Knowledge Infrastructure (CNKI) were searched for randomized controlled trials (RCTs) of ondansetron in preventing the pain on injection of propofol. Then, RevMan 5.2 was adopted to conduct a meta-analysis on propofol injection pain. RESULTS: Ten RCTs, totaling 782 patients, were included in this analysis...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28247291/bioadhesive-drug-delivery-system-for-enhancing-the-permeability-of-a-bcs-class-iii-drug-via-hot-melt-extrusion-technology
#11
Nicole S Mendonsa, Priyanka Thipsay, Dong Wuk Kim, Scott T Martin, Michael A Repka
As the buccal route of administration has the ability to avoid the GI tract and first-pass effect by directing the absorption toward the cheek area, the bioavailability of BCS class III drugs can be increased through this route. Only a handful of studies have been conducted using oleic acid as a permeation enhancer in any transbuccal drug delivery system. Therefore, the objectives of this novel study were to develop a buccal tablet using two concentrations of oleic acid for a model BCS class III drug via hot-melt extrusion technology and to investigate the effects of oleic acid on the physicochemical properties of the tablet...
February 28, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28236862/comparison-of-the-effects-of-sugammadex-and-neostigmine-on-postoperative-nausea-and-vomiting
#12
Özgür Yağan, Nilay Taş, Tuğçe Mutlu, Volkan Hancı
BACKGROUND AND OBJECTIVES: The aim of our study is to compare the effects of sugammadex and neostigmine, used for neuromuscular blockage antagonism, on postoperative nausea and vomiting (PONV). METHODS: Our study was completed with 98 ASA I-II risk patients undergoing endotracheal intubation under general anesthesia. At the end of the surgery patients were randomly divided into two groups given 2mgkg(-1) sugammadex (Group S) or 50μgkg(-1) neostigmine plus 0.2mgkg(-1) atropine (Group N)...
March 2017: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/28231602/observational-case-series-evaluation-of-the-granisetron-transdermal-patch-system-sancuso-for-the-management-of-nausea-vomiting-of-pregnancy
#13
Tran N Le, Michael T Adler, Holly Ouillette, Pamela Berens, Judith A Smith
Objective The objective of this study was to observe the efficacy of antiemetic therapy (no emesis/retching episodes and no rescue medication use) when granisetron is administered via a transdermal patch system (TDS) in women who are 6 to 14 weeks pregnant when compared with oral ondansetron by evaluating the frequency of the use of rescue medications for control of nausea/vomiting of pregnancy (NVP). Methods This was an observational case series study to observe the potential benefits of granisetron TDS compared with oral ondansetron for management of NVP in pregnant patients during the first trimester...
February 23, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28226042/emergency-interventions-for-air-medical-services-trauma-victims
#14
Gabriela Schweitzer, Eliane Regina Pereira do Nascimento, Keyla Cristiane do Nascimento, André Ricardo Moreira, Lucia Nazareth Amante, Luciana Bihain Hagemann de Malfussi
Objective: to analyze emergency interventions for air medical services trauma victims, considering the time at the scene of trauma and the severity of the victims. Method: This was a descriptive, correlational and quantitative study, conducted from October of 2014 to December of 2015. Six nurses participated, completing an instrument containing emergency interventions performed in the care of victims after the occurrence of trauma. The sample consisted of 97 treatments...
January 2017: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/28220993/antiemetic-use-among-pregnant-women-in-the-united-states-the-escalating-use-of-ondansetron
#15
Lockwood G Taylor, Steven T Bird, Leyla Sahin, Melissa S Tassinari, Patty Greene, Marsha E Reichman, Susan E Andrade, Katherine Haffenreffer, Sengwee Toh
PURPOSE: To examine ondansetron use in pregnancy in the context of other antiemetic use among a large insured United States population of women delivering live births. METHODS: We assessed ondansetron and other antiemetic use among pregnant women delivering live births between 2001 and 2015 in 15 data partners contributing data to the Mini-Sentinel Distributed Database. We identified live birth pregnancies using a validated algorithm, and all forms of ondansetron and other available antiemetics were identified using National Drug Codes or procedure codes...
February 21, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28198032/comparative-efficacy-of-metoclopramide-ondansetron-and-maropitant-in-preventing-parvoviral-enteritis-induced-emesis-in-dogs
#16
E Yalcin, G O Keser
The aim of the study was to evaluate the efficiencies of selected anti-emetic drugs (metoclopramide, ondansetron and maropitant) in preventing vomiting in the treatment of canine parvoviral enteritis. We designed a randomized, prospective clinical study. PVE quick ELISA test-positive dogs between 4 and 12 months of age were included in the study. Each of metoclopramide, ondansetron, maropitant and control group had 8 dogs. Metoclopramide and ondansetron were administered as 0.5 mg/kg doses three times a day via intravenous route, and maropitant was administered as 1 mg/kg doses once a day subcutaneously...
February 14, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28185059/severe-proarrhythmic-potential-of-the-antiemetic-agents-ondansetron-and-domperidone
#17
Gerrit Frommeyer, Christina Fischer, Christian Ellermann, Philipp S Lange, Dirk G Dechering, Simon Kochhäuser, Michael Fehr, Lars Eckardt
The potential of ondansetron and domperidone, both clinically established antiemetic agents, to increase the QT-interval has been described in several case reports. Therefore, the aim of the present study was to investigate whether these drugs may provoke polymorphic ventricular tachycardia in a sensitive experimental model of drug-induced proarrhythmia. In 10 female rabbits, ondansetron (1, 5 and 10 µM, n = 10) or domperidone (0.5, 1 and 2 µM, n = 8) was infused after obtaining baseline data. Eight endo- and epicardial monophasic action potentials and a simultaneously recorded 12-lead ECG reproduced the clinically observed QT-prolongation (ondansetron: 1 µM:+17 ms, 5 µM:+41 ms, 10 µM:+78 ms, p < 0...
February 9, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28168082/simultaneous-determination-of-dexamethasone-ondansetron-granisetron-tropisetron-and-azasetron-in-infusion-samples-by-hplc-with-dad-detection
#18
Fu-Chao Chen, Lin-Hai Wang, Jun Guo, Xiao-Ya Shi, Bao-Xia Fang
A simple and rapid high-performance liquid chromatography with diode array detector (HPLC-DAD) method has been developed and validated for simultaneous quantification of five antiemetic agents in infusion samples: dexamethasone, ondansetron, granisetron, tropisetron, and azasetron. The chromatographic separation was achieved on a Phenomenex C18 column (4.6 mm × 150 mm, 5 μm) using acetonitrile-50 mM KH2PO4 buffer-triethylamine (25 : 74 : 1; v/v; pH 4.0). Flow rate was 1.0 mL/min with a column temperature of 30°C...
2017: Journal of Analytical Methods in Chemistry
https://www.readbyqxmd.com/read/28152708/influencing-antiemetic-prescribing-practices-and-funding-changes-through-evidence-based-guidelines
#19
Michael Wan, Aliya Pardhan, Erin Redwood, Andrea Crespo, Nita Lakhani, Leonard Kaizer
31 Background: In 2013 Cancer Care Ontario released updated antiemetic recommendations supporting the use of aprepitant-based combinations as 1(st) line therapy for highly emetogenic and 2(nd) line therapy for moderately emetogenic chemotherapy and discouraging the prolonged use of 5-HT3 antagonists. In 2014 changes were made in the Ontario drug formulary to align public funding to those recommendations. The impact of the changes in guidance and public funding on prescribing practices are now being analyzed...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28134463/review-pharmacogenetics-of-alcoholism-treatment-implications-of-ethnic-diversity
#20
Anita Cservenka, Megan M Yardley, Lara A Ray
BACKGROUND AND OBJECTIVES: Pharmacogenetic studies of alcohol use disorder (AUD) have suggested that the efficacy of treatments for AUD is, in part, influenced by the genetic background of an individual. Since the frequency of alleles associated with pharmacotherapy for AUD varies by ancestral background, the effectiveness of medications used to treat AUD may vary among different populations. The purpose of this review is to summarize the existing pharmacogenetic studies of treatments for AUD in individuals of European, East Asian, African, and American Indian/Alaska Native ancestry...
November 4, 2016: American Journal on Addictions
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