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https://www.readbyqxmd.com/read/29788886/novel-pharmacotherapeutic-approaches-in-treatment-of-alcohol-addiction
#1
Rashidi Mohamed Pakri Mohamad, Jaya Kumar, Shihab Udin Ahmad, Isa Naina Mohamed
In the past two decades, the search for novel pharmacotherapies to treat alcohol addiction been a global endeavour. This has resulted in several drugs that have been approved and successfully marketed for public use while some are still in the testing phase. These pharmacological agents, though effective for the treatment of alcoholism, are not without shortcomings; such as abuse potential, serious mental and physical adverse effects, interaction with alcohol and also poor metabolism and excretion. As more is being understood about the neurobiology of alcohol addiction as well as the unique pharmacological action of these drugs, new agents are evaluated for potential benefits when used as a adjunct in combination therapy...
May 22, 2018: Current Drug Targets
https://www.readbyqxmd.com/read/29785777/paradoxical-effect-of-baclofen-on-social-behavior-in-the-fragile-x-syndrome-mouse-model
#2
Shimriet Zeidler, Andreea S Pop, Israa A Jaafar, Helen de Boer, Ronald A M Buijsen, Celine E F de Esch, Ingeborg Nieuwenhuizen-Bakker, Renate K Hukema, Rob Willemsen
INTRODUCTION: Fragile X syndrome (FXS) is a common monogenetic cause of intellectual disability, autism spectrum features, and a broad range of other psychiatric and medical problems. FXS is caused by the lack of the fragile X mental retardation protein (FMRP), a translational regulator of specific mRNAs at the postsynaptic compartment. The absence of FMRP leads to aberrant synaptic plasticity, which is believed to be caused by an imbalance in excitatory and inhibitory network functioning of the synapse...
April 26, 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29782961/baclofen-induced-encephalopathy-in-overdose-modeling-of-the-electroencephalographic-effect-concentration-relationships-and-contribution-of-tolerance-in-the-rat
#3
Magali Chartier, Isabelle Malissin, Salma Tannous, Laurence Labat, Patricia Risède, Bruno Mégarbane, Lucie Chevillard
Baclofen, a γ-amino-butyric acid type-B receptor agonist with exponentially increased use at high-dose to facilitate abstinence in chronic alcoholics, is responsible for increasing poisonings. Baclofen overdose may induce severe encephalopathy and electroencephalographic (EEG) abnormalities. Whether prior prolonged baclofen treatment may influence the severity of baclofen-induced encephalopathy in overdose has not been established. We designed a rat study to characterize baclofen-induced encephalopathy, correlate its severity with plasma concentrations and investigate the contribution of tolerance...
May 18, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29782907/analgesic-effect-of-intrathecal-baclofen-bolus-on-neuropathic-pain-in-spinal-cord-injury-patients
#4
Hatice Kumru, Jesus Benito-Penalva, Markus Kofler, Joan Vidal
BACKGROUND: GABA-ergic neurons are widely distributed throughout the central nervous system, including the spinal cord which is important for the transmission of pain impulses to the brain. Here we hypothesized that intrathecal baclofen (ITB) which is a GABA analogue might exert analgesic effects on neuropathic pain, which could be related to subtypes of pain in spinal cord injury (SCI). METHODS: SCI patients with a cervical or thoracic lesion and neuropathic pain were randomized to receive either a single ITB bolus or placebo...
May 18, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29774754/effect-of-di-2-ethylhexyl-phthalate-on-the-neuroendocrine-regulation-of-reproduction-in-adult-male-rats-and-its-relationship-to-anxiogenic-behavior-participation-of-gabaergic-system
#5
S Carbone, O J Ponzo, N Gobetto, Y A Samaniego, R Reynoso, J A Moguilevsky, R A Cutrera
The endocrine disruptor di-(2-ethylhexyl) phthalate (DEHP) is used in a variety of consumer products made with polyvinyl chloride and also in the manufacture of medical devices. DEHP disrupts reproductive tract development in an antiandrogenic manner and also may induce neurobehavioral changes. The aim of this study was to investigate the effects of chronic postnatal exposure to DEHP (30 mg/kg body weight/day, orally from birth to day 60) on the neuroendocrine regulation of the gonadal axis and its impact on the anxiety-like behavior in adult male rats, as well as the probable participation of the GABAergic system in these effects...
January 1, 2018: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29768361/a-novel-kiaa0196-mutation-in-a-chinese-patient-with-spastic-paraplegia-8-a-case-report
#6
Limin Ma, Yingying Shi, Zhongcan Chen, Shujian Li, Weiwei Qin, Jiewen Zhang
RATIONALE: We report a case of Spastic paraplegia 8 (SPG8) with a novel mutation of KIAA0196 gene. PATIENTS CONCERNS: A 12-year-old boy presented as ankle sprained, lower limb stiffness, abnormal gait since he was 5 years old. DIAGNOSES: The next generation sequence showed a novel c.1128delG (p.L376fs) mutation in KIAA0196 gene, the electromyography showed the pyramidal tract conduction dysfunction and deep sensory conduction abnormalities of lower limbs without motor neuron damage...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29768106/effect-of-oral-baclofen-on-spasticity-poststroke-responders-versus-non-responders
#7
Shiho Mizuno, Kotaro Takeda, Shinichiro Maeshima, Sonoda Shigeru
Objective To assess quantitatively the efficacy of oral baclofen for spasticity poststroke. Methods The participants were 29 persons poststroke with increased resistance to passive ankle dorsiflexion and ankle clonus on clinical assessment. Baclofen was administered at 20 mg/day for 1 week. The ankle joint was passively dorsiflexed at either 5°/s (slow stretch) or 90°/s (fast stretch) by a custom-built device. The ankle joint angle and resistive torque were measured during the ramp-and-hold stretch, with gastrocnemius electromyogram...
May 16, 2018: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/29765326/descriptions-of-adverse-drug-reactions-are-less-informative-in-forums-than-in-the-french-pharmacovigilance-database-but-provide-more-unexpected-reactions
#8
Pierre Karapetiantz, Florelle Bellet, Bissan Audeh, Jérémy Lardon, Damien Leprovost, Rim Aboukhamis, François Morlane-Hondère, Cyril Grouin, Anita Burgun, Sandrine Katsahian, Marie-Christine Jaulent, Marie-Noëlle Beyens, Agnès Lillo-Le Louët, Cédric Bousquet
Background: Social media have drawn attention for their potential use in Pharmacovigilance. Recent work showed that it is possible to extract information concerning adverse drug reactions (ADRs) from posts in social media. The main objective of the Vigi4MED project was to evaluate the relevance and quality of the information shared by patients on web forums about drug safety and its potential utility for pharmacovigilance. Methods: After selecting websites of interest, we manually evaluated the relevance of the content of posts for pharmacovigilance related to six drugs (agomelatine, baclofen, duloxetine, exenatide, strontium ranelate, and tetrazepam)...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29761017/eleven-years-experience-with-intrathecal-baclofen-complications-risk-factors
#9
Elke Pucks-Faes, Gabriel Hitzenberger, Heinrich Matzak, Elena Fava, Giulio Verrienti, Ilse Laimer, Josef Fritz, Leopold Saltuari
Objective: Treatment with intrathecal baclofen (ITB) is commonly used in patients with severe spasticity. However, complications may occur after implantation of the ITB-device, albeit mainly procedure- and device-related problems. The aim of the study was to assess surgical- as well as catheter- and pump-related complications and define their risk factors. Methods: We retrospectively evaluated all patients with an implanted ITB-device who were treated at the Department of Neurology, Hochzirl Hospital, Zirl, Austria, between 2006 and 2016...
May 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29757792/baclofen-pump-replacement-in-a-patient-with-end-stage-amyotrophic-lateral-sclerosis-a-case-report-demonstrating-transversus-abdominis-plane-block-as-the-sole-anesthetic
#10
Iman A Hadaya, Andrew T Gray, Matthias R Braehler
A patient with end-stage amyotrophic lateral sclerosis (ALS) presented for Baclofen pump replacement. She underwent a left transversus abdominis plane block to anesthetize the left lower quadrant of the abdomen. No sedatives or analgesics were administered, and the procedure was successfully completed without complication. It is prudent to consider anesthetic plans that avoid complications associated with general or neuraxial anesthesia in patients with ALS. This case report demonstrates successful placement of a transversus abdominis plane block in a patient with ALS and offers a safe anesthetic technique that can be performed in other high-risk patients...
May 15, 2018: A&A practice
https://www.readbyqxmd.com/read/29753900/dorsal-longitudinal-t-myelotomy-bischof-ii-technique-a-useful-antiquated-procedure-for-treatment-of-intractable-spastic-paraplegia
#11
Bunpot Sitthinamsuwan, Inthira Khampalikit, Luckchai Phonwijit, Akkapong Nitising, Sarun Nunta-Aree, Sirilak Suksompong
OBJECTIVE: Dorsal longitudinal T-myelotomy is a long-established operation to treat severe spastic paraplegia. The present study aimed to report this surgical technique and investigate the efficacy of T-myelotomy for spasticity relief. METHODS: All cases undergoing T-myelotomy for treatment of intractable spastic paraplegia during 2009-2017 were included. The spasticity severity was evaluated using the Modified Ashworth Scale (MAS), Penn Spasm Frequency Scale (PSFS), Adductor Tone Rating Scale (ATRS), degree of passive range of motion (PROM), and occurrence of abdominal muscle spasms...
May 10, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29740299/pharmacological-modulation-of-long-term-potentiation-like-activity-in-the-dorsolateral-prefrontal-cortex
#12
Bahar Salavati, Zafiris J Daskalakis, Reza Zomorrodi, Daniel M Blumberger, Robert Chen, Bruce G Pollock, Tarek K Rajji
Background : Long-term potentiation (LTP) depends on glutamatergic neurotransmission and is modulated by cholinergic, dopaminergic and GABAergic inputs. Paired associative stimulation (PAS) is a neurostimulation paradigm that, when combined with electroencephalography (EEG), assesses LTP-like activity (PAS-induced LTP) in the dorsolateral prefrontal cortex (DLPFC). Thus, we conducted a study to assess the role of cholinergic, dopaminergic, GABAergic and glutamatergic neurotransmission on PAS-induced LTP in the DLPFC...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29726795/complication-rates-for-preexisting-baclofen-pumps-and-ventricular-shunts-following-scoliosis-correction-a-preliminary-study
#13
Jonathan Dallas, Katherine D Sborov, Bradley S Guidry, Silky Chotai, Christopher M Bonfield
OBJECTIVE Many patients undergoing spinal fusion for neuromuscular scoliosis have preexisting neurosurgical implants, including ventricular shunts (VSs) for hydrocephalus and baclofen pumps (BPs) for spastic cerebral palsy. Recent studies have discussed a possible increase in implant complication rates following spinal fusion, but published data are inconclusive. The authors therefore, sought to investigate: 1) the rate of implant complications following fusion, 2) possible causes of these complications, and 3) factors that place patients at higher risk for implant-related complications...
May 4, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29719204/drug-drug-interactions-in-the-treatment-for-alcohol-use-disorders-a-comprehensive-review
#14
REVIEW
Guerzoni Simona, Pellesi Lanfranco, Pini Luigi Alberto, Caputo Fabio
Drug interactions are one of the most common causes of side effects in polypharmacy. Alcoholics are a category of patients at high risk of pharmacological interactions, due to the presence of comorbidities, the concomitant intake of several medications and the pharmacokinetic and pharmacodynamic interferences of ethanol. However, the data available on this issue are limited. These reasons often frighten clinicians when prescribing appropriate pharmacological therapies for alcohol use disorder (AUD), where less than 15% of patients receive an appropriate treatment in the most severe forms...
April 29, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29716670/baclofen-in-the-treatment-of-alcohol-dependence-with-or-without-liver-disease-multisite-randomised-double-blind-placebo-controlled-trial
#15
Kirsten C Morley, Andrew Baillie, Isabel Fraser, Ainsley Furneaux-Bate, Glenys Dore, Michael Roberts, Ahmed Abdalla, Nghi Phung, Paul S Haber
BACKGROUND: There are no available medications for the management of alcohol dependence for patients with alcoholic liver disease (ALD).AimsTo conduct a multisite, double blind, placebo-controlled, randomised clinical trial of baclofen in the treatment of alcohol dependence, with or without liver disease (trial registration: ClinicalTrials.gov, NCT01711125). METHOD: Patients (n = 104) were randomised to placebo, baclofen 30 mg/day or 75 mg/day for 12 weeks. Primary outcomes included survival time to lapse (any drinking), relapse (≥5 drinks per day in men and ≥4 in women), and the composite outcome of drinks per drinking day, number of heavy drinking days, and percentage days abstinent...
June 2018: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/29714818/synthesis-of-beta-substituted-gamma-aminobutyric-acid-derivatives-via-enantioselective-photoredox-catalysis
#16
Jiajia Ma, Jiahui Lin, Lifang Zhao, Klaus Harms, Michael Marsch, Xiulan Xie, Eric Meggers
Beta-Substituted chiral gamma-aminobutyric acids display important biological activities and are valuable intermediates for the synthesis of pharmaceuticals. Herein we report an efficient catalytic enantioselective approach for the synthesis of beta-substituted gamma-aminobutyric acid derivatives through visible-light-induced photocatalyst-free asymmetric radical conjugate additions. Various beta-substituted gamma-aminobutyric acid analogs, including previously inaccessible derivatives containing fluorinated quaternary stereocenters, were obtained in good yields (53-89%) and with excellent enantioselectivities (90-97% ee)...
April 30, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29708914/intrathecal-baclofen-injection-to-avoid-withdrawal-in-a-multiple-sclerosis-patient-undergoing-lumbar-spine-surgery-a-case-report
#17
Mirsad Dupanovic, Robert P Devine, Sean R Jackson, Sharon G Lynch
Spasticity of spinal or cerebral origin is frequently treated with baclofen. Treatment interruption initially results in rebound spasticity; life-threatening withdrawal symptoms may follow. Severe rebound spasticity of leg muscles occurred in a multiple sclerosis patient after a 10-hour long perioperative pause of oral baclofen intake. In a subsequent spine surgery, recurrence was prevented by substituting a cumulative 12-hour oral baclofen dose with an intraoperative intrathecal injection. Administration of intrathecal baclofen during prolonged surgery in patients dependent on oral baclofen may improve patient comfort and prevent early withdrawal symptoms...
May 1, 2018: A&A practice
https://www.readbyqxmd.com/read/29705167/stiff-person-syndrome-with-evidence-of-non-specific-focal-myositis-secondary-to-sustained-muscle-contraction-a-case-report
#18
Seung-Wook No, Il-Gyu Lim, Du Hwan Kim
Stiff person syndrome (SPS) is a rare neuroimmunological disorder characterized by progressive muscular rigidity and spasms that affect axial and limb muscles. There have been a few reports that patients with SPS had evidences of polymyositis (PM). There have been no clear explanations about the characteristics of PM in SPS. We report the case of a 36-year-old woman with SPS in association with non-specific focal myositis secondary to sustained muscle contraction. She presented with stiffness and pain in her extremities, and diazepam and baclofen were ineffective...
April 26, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29677995/signal-detection-for-baclofen-in-web-forums-a-preliminary-study
#19
Pierre Karapetiantz, Bissan Audeh, Agnès Lillo-Le Louët, Cedric Bousquet
Web forums are proposed as a new complementary source of knowledge to spontaneous reports by patients and healthcare professionals due to underreporting of adverse drug reactions (ADRs). Some authors suggest that signal detection could be a convenient method for gathering mentions of ADRs in patients' posts. Signal detection methods were proposed to mine pharmacovigilance databases, but little is known about their applicability to web forums. We describe a method implementing several traditional decision rules on signal detection with baclofen applied to a set of more than 6 million posts...
2018: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/29675238/rhodium-catalyzed-asymmetric-hydrogenation-of-%C3%AE-cyanocinnamic-esters-with-the-assistance-of-a-single-hydrogen-bond-in-a-precise-position
#20
Xiuxiu Li, Cai You, Yusheng Yang, Yuhong Yang, Pan Li, Guoxian Gu, Lung Wa Chung, Hui Lv, Xumu Zhang
With the assistance of hydrogen bonds, the first asymmetric hydrogenation of β-cyanocinnamic esters is developed, affording chiral β-cyano esters with excellent enantioselectivities (up to 99% ee). This novel methodology provides an efficient and concise synthetic route to chiral GABA-derivatives such as ( S )-Pregabalin, ( R )-Phenibut, ( R )-Baclofen. Interestingly, in this system, the catalyst with a single H-bond donor performs better than that with double H-bond donors, which is a novel discovery in the metalorganocatalysis area...
February 21, 2018: Chemical Science
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