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https://www.readbyqxmd.com/read/28086944/prenatal-treatment-for-opioid-dependency-observations-from-a-large-inner-city-clinic
#1
Kelley Saia, Sarah M Bagley, Elisha M Wachman, Payal P Patel, Marisa D Nadas, Susan B Brogly
BACKGROUND: The objective of this study was to review changes in the prevalence of opioid use disorder in pregnancy, and to describe the prenatal care and neonatal outcomes following the implementation of buprenorphine treatment at a large US obstetrical clinic during the on-going opioid epidemic. METHODS: We conducted a retrospective cohort study of 310 women (332 pregnancies) with opioid use disorders and their neonates delivered between June 2006 and December 2010 at an obstetrical clinic in the US...
January 13, 2017: Addiction Science & Clinical Practice
https://www.readbyqxmd.com/read/28081269/morphine-does-not-affect-myocardial-salvage-in-st-segment-elevation-myocardial-infarction
#2
Hye Bin Gwag, Taek Kyu Park, Young Bin Song, Eun Kyoung Kim, Woo Jin Jang, Jeong Hoon Yang, Joo-Yong Hahn, Seung-Hyuk Choi, Jin-Ho Choi, Sang Hoon Lee, Yeon Hyeon Choe, Joonghyun Ahn, Keumhee Chough Carriere, Hyeon-Cheol Gwon
Recent studies have proposed intravenous (IV) morphine is associated with delayed action of antiplatelet agents in acute myocardial infarction. However, it is unknown whether morphine results in increased myocardial damage in ST-segment elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (PCI). We investigated myocardial salvage index (MSI) to determine whether IV morphine affects myocardial injury adversely in STEMI patients undergoing primary PCI. 299 STEMI patients underwent contrast-enhanced magnetic resonance imaging a median of 3 days after PCI...
2017: PloS One
https://www.readbyqxmd.com/read/28081197/morphine-withdrawal-modifies-prion-protein-expression-in-rat-hippocampus
#3
Vincenzo Mattei, Stefano Martellucci, Francesca Santilli, Valeria Manganelli, Tina Garofalo, Niccolò Candelise, Alessandra Caruso, Maurizio Sorice, Sergio Scaccianoce, Roberta Misasi
The hippocampus is a vulnerable brain structure susceptible to damage during aging and chronic stress. Repeated exposure to opioids may alter the brain so that it functions normally when the drugs are present, thus, a prolonged withdrawal might lead to homeostatic changes headed for the restoration of the physiological state. Abuse of morphine may lead to Reacting Oxygen Species-induced neurodegeneration and apoptosis. It has been proposed that during morphine withdrawal, stress responses might be responsible, at least in part, for long-term changes of hippocampal plasticity...
2017: PloS One
https://www.readbyqxmd.com/read/28081042/detection-of-hydrocodone-and-morphine-as-metabolites-in-oral-fluid-by-lc-ms-ms-in-patients-prescribed-codeine
#4
Robert E West, Maria G Guevara, Charles Mikel, Ruben Gamez
A retrospective analysis of oral fluid drug testing results using LC-MS/MS was performed to determine the prevalence rates in oral fluid for codeine (COD) and 3 COD metabolites-morphine (MOR), norhydrocodone (NHC), and hydrocodone (HCOD). Oral fluid samples were collected using Quantisal oral fluid collection device (Immunalysis Inc.) and submitted to Millennium Health, LLC for the routine drug analysis by LC-MS/MS. Consistent with previously published literature, COD was the primary analyte detected in oral fluid after the use of COD...
February 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28079776/enhanced-recovery-program-and-length-of-stay-after-laparotomy-on-a-gynecologic-oncology-service-a-randomized-controlled-trial
#5
Elizabeth L Dickson, Erica Stockwell, Melissa A Geller, Rachel Isaksson Vogel, Sally A Mullany, Rahel Ghebre, Boris J N Witherhoff, Levi S Downs, Linda F Carson, Deanna Teoh, Michelle Glasgow, Matt Gerber, Colleen Rivard, Britt K Erickson, Jacob Hutchins, Peter A Argenta
OBJECTIVE: To estimate whether a rapid recovery program would reduce length of stay among patients undergoing laparotomy on a gynecologic oncology service. METHODS: We conducted a prospective, randomized, controlled trial comparing an enhanced recovery after surgery protocol with routine postoperative care among women undergoing laparotomy on the gynecologic oncology service. Protocol elements included: preoperative counseling, regional anesthesia, intraoperative fluid restriction, and early postoperative ambulation and feeding...
January 9, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28078167/a-novel-strategy-for-attenuating-opioid-withdrawal-in-neonates
#6
Giovanni C Santoro, Samarth Shukla, Krishna Patel, Jakub Kaczmarzyk, Stergiani Agorastos, Sandra Scherrer, Yoon Young Choi, Christina Veith, Joseph Carrion, Rebecca Silverman, Danielle Mullin, Mohamed Ahmed, Wynne K Schiffer, Jonathan D Brodie, Stephen L Dewey
The rate of Neonatal Abstinence Syndrome (NAS) has drastically increased over the past decade. The average hospital expense per NAS patient has tripled, while the number of babies born to opioid-dependent mothers has increased to 5 in 1000 births. Current treatment options are limited to opioid replacement and tapering. Consequently, we examined the efficacy of prenatal, low-dose and short-term vigabatrin (γ-vinyl GABA, GVG) exposure for attenuating these symptoms as well as the metabolic changes observed in the brains of these animals upon reaching adolescence...
August 2016: Journal of Addiction Research & Therapy
https://www.readbyqxmd.com/read/28077540/leukemia-inhibitory-factor-lif-potentiates-antinociception-activity-and-inhibits-tolerance-induction-of-opioids
#7
H J Tu, K H Kang, S Y Ho, H C Liou, H H Liou, C P Lin, W M Fu
BACKGROUND: The efficacy of opioids typically decreases after long-term use owing to the development of tolerance. Glial activation and the upregulation of proinflammatory cytokines are related to the induction of tolerance. We investigated the effect of leukemia inhibitory factor (LIF) on morphine analgesia and tolerance. METHODS: LIF concentrations in rat spinal cords were measured by polymerase chain reaction (PCR) and enzyme-linked immunosorbent assay (ELISA) after morphine administration...
October 2016: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28077162/a-fixed-inhaled-nitrous-oxide-oxygen-mixture-as-an-analgesic-for-adult-cancer-patients-with-breakthrough-pain-study-protocol-for-a-randomized-controlled-trial
#8
Qiang Liu, Yu Wang, Xiang-Jiang Luo, Ning-Ju Wang, Ping Chen, Xin Jin, Guo-Xia Mu, Xiao-Min Chai, Yue-Juan Zhang, Yu-Xiang Li, Jian-Qiang Yu
BACKGROUND: The management of breakthrough pain in cancer patients is always a challenge for medical professions. Occurring in 80% of cancer patients with advanced disease, breakthrough pain significantly decreases both patient's and caregiver's quality of life. The aim of this study is to assess the analgesic efficacy of a fixed inhaled nitrous oxide/oxygen mixture for adult cancer patients with breakthrough pain. METHODS/DESIGN: This is a randomized, placebo-controlled, double-blind study; it will be conducted in the General Hospital of Ningxia Medical University...
January 11, 2017: Trials
https://www.readbyqxmd.com/read/28075433/effects-of-morphine-butorphanol-and-levomethadone-in-different-doses-on-thermal-nociceptive-thresholds-in-horses
#9
Paula Dönselmann Im Sande, Klaus Hopster, Sabine Kästner
OBJECTIVE: Various opioids are available for use in equine medicine. Studies directly comparing their analgesic effects and side effects are rare. Therefore, the aim of this study was to compare the antinociceptive effect and the duration of analgesia of two different doses of morphine, butorphanol and levomethadone in horses. MATERIAL AND METHODS: Eight adult, healthy horses were used for this randomized, placebo-controlled, blinded cross-over trail. Each horse received placebo (P = 0...
January 11, 2017: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
https://www.readbyqxmd.com/read/28074831/rgs9-2-modulates-responses-to-oxycodone-in-pain-free-and-chronic-pain-states
#10
Sevasti Gaspari, Valeria Cogliani, Lefteris Manouras, Ethan M Anderson, Vasiliki Mitsi, Kleopatra Avrampou, Fiona B Carr, Venetia Zachariou
Regulator of G protein signalling 9-2 (RGS9-2) is a striatal enriched signal transduction modulator, known to play a critical role in the development of addiction-related behaviours following exposure to psychostimulants or opioids. RGS9-2 controls the function of several GPCRs, including dopamine and mu opioid (MOR) receptors. We previously showed that RGS9-2 complexes negatively control morphine analgesia, and promote the development of morphine tolerance. In contrast, RGS9-2 positively modulates the actions of other opioid analgesics, such as fentanyl and methadone...
January 11, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28072812/is-kratom-the-new-legal-high-on-the-block-the-case-of-an-emerging-opioid-receptor-agonist-with-substance-abuse-potential
#11
George C Chang-Chien, Charles A Odonkor, Prin Amorapanth
Kratom is an unscheduled opioid receptor agonist that comes in the form of dietary supplements currently being abused by chronic pain patients on prescription opioids. Active alkaloids isolated from kratom such as mitragynine and 7-hydroxymitragynine are thought to act on mu- and delta-opioid receptors as well as alpha-2 adrenergic and 5-HT2A receptors. Animal studies suggest that kratom may be more potent than morphine. Consequently, kratom consumption produces analgesic and euphoric feelings among users. In particular, some chronic pain patients on opioids take kratom to counteract the effects of opioid withdrawal...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28069072/pansaid-paracetamol-and-nsaid-in-combination-study-protocol-for-a-randomised-trial
#12
Kasper Højgaard Thybo, Daniel Hägi-Pedersen, Jørn Wetterslev, Jørgen Berg Dahl, Henrik Morville Schrøder, Hans Henrik Bülow, Jan Gottfrid Bjørck, Ole Mathiesen
BACKGROUND: Effective postoperative pain management is essential for the rehabilitation of the surgical patient. No 'gold standard' exists after total hip arthroplasty (THA) and combinations of different nonopioid medications are used with virtually no evidence for additional analgesic efficacy compared to monotherapy. The objective of this trial is to investigate the analgesic effects and safety of paracetamol and ibuprofen alone and in combination in different dosages after THA. METHODS: PANSAID is a placebo-controlled, parallel four-group, multicentre trial with centralised computer-generated allocation sequence and allocation concealment and with varying block size and stratification by site...
January 10, 2017: Trials
https://www.readbyqxmd.com/read/28068780/long-acting-injectable-naltrexone-induction-a-randomized-trial-of-outpatient-opioid-detoxification-with-naltrexone-versus-buprenorphine
#13
Maria Sullivan, Adam Bisaga, Martina Pavlicova, C Jean Choi, Kaitlyn Mishlen, Kenneth M Carpenter, Frances R Levin, Elias Dakwar, John J Mariani, Edward V Nunes
OBJECTIVE: At present there is no established optimal approach for transitioning opioid-dependent adults to extended-release injection naltrexone (XR-naltrexone) while preventing relapse. The authors conducted a trial examining the efficacy of two methods of outpatient opioid detoxification for induction to XR-naltrexone. METHOD: Participants were 150 opioid-dependent adults randomly assigned 2:1 to one of two outpatient detoxification regimens, naltrexone-assisted detoxification or buprenorphine-assisted detoxification, followed by an injection of XR-naltrexone...
January 10, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28067693/intraoperative-ketamine-reduces-immediate-postoperative-opioid-consumption-after-spinal-fusion-surgery-in-chronic-pain-patients-with-opioid-dependency-a-randomized-blinded-trial
#14
Rikke Vibeke Nielsen, Jonna Storm Fomsgaard, Hanna Siegel, Robertas Martusevicius, Lone Nikolajsen, Jørgen Berg Dahl, Ole Mathiesen
Perioperative handling of surgical patients with opioid dependency represents an important clinical problem. Animal studies suggest that ketamine attenuates central sensitization and hyperalgesia and thereby reduces postoperative opioid tolerance. We hypothesized that intraoperative ketamine would reduce immediate postoperative opioid consumption compared to placebo in chronic pain patients with opioid dependency undergoing lumbar spinal fusion surgery. Primary outcome was morphine consumption 0-24 h postoperatively...
January 6, 2017: Pain
https://www.readbyqxmd.com/read/28066970/implementation-of-a-pharmacist-led-patient-controlled-analgesia-dosing-service
#15
Alen L Dezia, Tim D Baccus, Allycia M Natavio, Sean M Conroy, Levi M Hall
PURPOSE: The development and implementation of a pharmacist-led patient controlled analgesia (PCA) dosing service in a large academic institution is described. SUMMARY: To improve pain management at our institution and expand pharmacy clinical services, a pharmacist-led PCA dosing service was developed and implemented. The service is modeled after established antimicrobial and anticoagulation dosing services at our institution. A core group of pharmacists (service leaders) and a pain physician champion developed a policy and guideline and designed electronic medical record (EMR) tools to support the service...
January 9, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28066825/a-blinded-randomised-placebo-controlled-trial-investigating-the-efficacy-of-morphine-analgesia-for-procedural-pain-in-infants-trial-protocol
#16
Rebeccah Slater, Caroline Hartley, Fiona Moultrie, Eleri Adams, Ed Juszczak, Richard Rogers, Jane E Norman, Chetan Patel, Kayleigh Stanbury, Amy Hoskin, Gabrielle Green
Infant pain has both immediate and long-term negative consequences, yet in clinical practice it is often undertreated. To date, few pain-relieving drugs have been tested in infants. Morphine is a potent analgesic that provides effective pain relief in adults, but there is inconclusive evidence for its effectiveness in infants. The purpose of this study is to establish whether oral morphine provides effective analgesia for procedural pain in infants. A blinded, placebo-controlled, parallel-group randomized, phase II, clinical trial will be undertaken to determine whether morphine sulphate administered orally prior to clinically-required retinopathy of prematurity (ROP) screening and heel lancing provides effective analgesia...
November 15, 2016: Wellcome Open Res
https://www.readbyqxmd.com/read/28063968/lack-of-genetic-association-between-oct1-abcb1-and-ugt2b7-variants-and-morphine-pharmacokinetics
#17
L M Nielsen, E Sverrisdóttir, T B Stage, S Feddersen, K Brøsen, L L Christrup, A M Drewes, A E Olesen
AIM: A high inter-individual variation in the pharmacokinetics and pharmacodynamics of morphine has been observed. Genetic polymorphisms in genes encoding the organic cation transporter isoform 1 (OCT1), the efflux transporter p-glycoprotein (ABCB1), and the UDP-glucuronosyltransferase-2B7 (UGT2B7) may influence morphine pharmacokinetics and thus, also pharmacodynamics. The aim of this study was to evaluate the association between OCT1, ABCB1, and UGT2B7 variants, and morphine pharmacokinetics and -dynamics in healthy volunteers...
January 4, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28063934/morphine-administration-induces-change-in-anxiety-related-behavior-via-wnt-%C3%AE-catenin-signaling
#18
Jiancai Wang, Gang Zhu, Lu Huang, Tiejian Nie, Kai Tao, Yuqian Li, Guodong Gao
Chronic morphine administration is known to decrease anxiety-related behavior, which may lead to morphine-seeking and other social problems. Recent studies have revealed that Wnt/β-catenin signaling plays an important role in anxiety-related behavior. We used HT22 cells, which were derived from primary mouse hippocampal neuronal cultures, to explore the relationship between Wnt signaling and morphine exposure. Many techniques, such as western blot analysis, immunofluorescence and luciferase assays, were utilized...
January 4, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28063353/rationally-designed-benzopyran-fused-isoxazolidines-and-derived-%C3%AE-2-3-3-amino-alcohols-as-potent-analgesics-synthesis-biological-evaluation-and-molecular-docking-analysis
#19
Gagandeep Singh, Gurjit Singh, Rajbir Bhatti, Vivek Gupta, Ajay Mahajan, Palwinder Singh, Mohan Paul Singh Ishar
Based on structure activity analysis of morphine related opiates, we have synthesized some novel benzopyran fused isoxazolidines (2a-e) and derived conformationally constrained β(2,3,3)-amino alcohols (3a-e), which were evaluated in vivo for their anti-nociceptive activity through acetic acid induced writhing test (peripheral) and formalin induced algesia (central). Results showed that, compound 2a possesses significant opioid agonist activity. Further, molecular docking analysis reveals that compound 2a binds to δ-opioid receptor (DOR) with comparatively better D-score than to μ (MOR) and κ (KOR) receptors...
December 28, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28063060/pain-relief-in-nonhuman-primate-models-of-arthritis
#20
Michel P M Vierboom, Elia Breedveld, Merei Keehnen, Rianne Klomp, Jaco Bakker
Animal models of rheumatoid arthritis are important in the elucidation of etiopathogenic mechanisms of the disease and for the development of promising new therapies. Species specificity of new biological compounds and their mode of action preclude safety and efficacy testing in rodent models of disease. Nonhuman primates (NHP) can fill this niche and provide the only relevant model. Over the last two decades models of collagen-induced arthritis (CIA) were developed in the rhesus monkey and the common marmoset...
2017: Methods in Molecular Biology
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