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https://www.readbyqxmd.com/read/29148568/intrathecal-baclofen-in-dyskinetic-cerebral-palsy-effects-on-function-and-activity
#1
Meta N Eek, Kristina Olsson, Karin Lindh, Berit Askljung, Magnus Påhlman, Olle Corneliusson, Kate Himmelmann
AIM: To investigate the effect of intrathecal baclofen (ITB) on function and activity in dyskinetic cerebral palsy (CP). METHOD: A retrospective cohort study of records from 25 children (15 males, 10 females; mean age 10y 11mo, SD 4y 9mo). Five were classified in Gross Motor Function Classification level IV and 20 in level V. Parents were interviewed about activities in daily life, sitting, communication, pain, sleep, and gross and fine motor function. Differences before and 1 year after ITB were graded as positive, no change, or negative...
November 17, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/29143356/on-the-ground-application-of-the-temporary-recommendation-for-use-regulatory-measure-on-off-label-use-of-baclofen-for-alcohol-dependence-in-france-a-regional-survey-of-community-pharmacies
#2
Marine Auffret, Benjamin Rolland, Anne-Sylvie Caous, Louise Gaboriau, Sylvie Deheul, Régis Bordet, Sophie Gautier
The "temporary recommendation for use" (TRU) is a French novel regulatory measure for off-label drug. The first TRU to be issued by the French drug agency (in March 2014) pertained to the off-label use of baclofen for alcohol dependence (AD). We performed a questionnaire-based survey of the on-the-ground application of the baclofen TRU among community pharmacies in northern France. A pharmacist from 70 of the 219 pharmacies contacted (response rate: 32.0%) completed the questionnaire. The mean ± standard deviation number of off-label baclofen prescriptions for AD was 2...
November 15, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/29137473/effect-of-short-and-long-term-administration-of-baclofen-on-spatial-learning-and-memory-in-rats
#3
M Holajova, M Franek
Baclofen is the only clinically available metabotropic GABAB receptor agonist. In our experiment, we tested the hypothesis that long-term baclofen administration can impair learning and memory in rats. The experiment consisted of three parts. In the first part of the study the drug was administered simultaneously with the beginning of the behavioral tests. In the second and third part of the experiment baclofen was administered daily for 14 days and for one month before the tests. In each part of the experiment, adult rats were randomly divided into four treatment groups...
November 10, 2017: Physiological Research
https://www.readbyqxmd.com/read/29135566/management-of-hypertonia-in-cerebral-palsy
#4
Nickolas J Nahm, H Kerr Graham, Mark E Gormley, Andrew G Georgiadis
PURPOSE OF REVIEW: The review provides an update on the treatment of hypertonia in cerebral palsy, including physical management, pharmacotherapy, neurosurgical, and orthopedic procedures. RECENT FINDINGS: Serial casting potentiates the effect of Botulinum neurotoxin A injections for spasticity. Deep brain stimulation, intraventricular baclofen, and ventral and dorsal rhizotomy are emerging tools for the treatment of dystonia and/or mixed tone. The long-term results of selective dorsal rhizotomy and the timing of orthopedic surgery represent recent advances in the surgical management of hypertonia...
November 11, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29135525/intrathecal-baclofen-injection-to-avoid-withdrawal-in-a-multiple-sclerosis-patient-undergoing-lumbar-spine-surgery-a-case-report
#5
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...
November 9, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/29133125/very-low-doses-of-muscimol-and-baclofen-ameliorate-cognitive-deficits-and-regulate-protein-expression-in-the-brain-of-a-rat-model-of-streptozocin-induced-alzheimer-s-disease
#6
Vladimirs Pilipenko, Karina Narbute, Ulrika Beitnere, Juris Rumaks, Jolanta Pupure, Baiba Jansone, Vija Klusa
Recent studies devoted to neuroprotection have focused on the role of the gamma-aminobutyric acid (GABA) system in regulating neuroinflammatory processes which play a key role in the neurodegenerative processes observed in Alzheimer's disease (AD) by inducing glial cell overactivation and impairing neurotransmission. Data on the efficacy of classical GABA-A and GABA-B receptor agonists (muscimol and baclofen, respectively) in animal models of AD are not available. Moreover, no published studies have examined the ability of optimal doses of these compounds to prevent neuroinflammation, the alterations in neurotransmission and cognitive deficits...
November 10, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29125423/management-of-chronic-neuropathic-pain-with-single-and-compounded-topical-analgesics
#7
Nebojsa Nick Knezevic, Tatiana Tverdohleb, Farid Nikibin, Ivana Knezevic, Kenneth D Candido
The goal of our review was to emphasize important aspects that physicians should take into consideration when prescribing topical analgesics as part of chronic neuropathic pain treatment. We discuss the dermatopharmacokinetics and microstructural components of the skin, differences between topical and transdermal drug delivery, and topical medication effects on peripheral neuropathy and central sensitization. Even though the US FDA approved topical analgesics are 8%-capsaicin and 5%-lidocaine patches for treating postherpetic neuralgia, there are many other studies conducted on the efficacy of topical ketamine cream, clonidine gel, topical gabapentin, topical baclofen and topical phenytoin for peripheral neuropathic pain, either alone or in combination with other formulations...
November 10, 2017: Pain Management
https://www.readbyqxmd.com/read/29122206/the-evolution-of-accelerated-long-term-forgetting-evidence-from-the-time-study
#8
Sharon Savage, Serge Hoefeijzers, Fraser Milton, Claire Streatfield, Michaela Dewar, Adam Zeman
OBJECTIVE: Accelerated long-term forgetting (ALF) occurs when newly learned information decays faster than normal over extended delays. It has been recognised most frequently in temporal lobe epilepsy, including Transient Epileptic Amnesia (TEA), but can also be drug-induced. Little is known about the evolution of ALF over time and its impacts upon other memory functions, such as autobiographical memory (ABM). Here we investigate the long-term outcome of ALF and ABM in a group of patients with TEA and a single case of baclofen-induced ALF...
October 6, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29120249/alcohol-addiction-the-safety-of-available-approved-treatment-options
#9
Mariangela Antonelli, Anna Ferrulli, Luisa Sestito, Gabriele A Vassallo, Claudia Tarli, Carolina Mosoni, Maria M Rando, Antonio Mirijello, Antonio Gasbarrini, Giovanni Addolorato
Alcohol Use Disorder (AUD) is a leading cause of mortality and morbidity worldwide. At present disulfiram, naltrexone and acamprosate are approved for the treatment of AUD in U.S. and Europe. Nalmefene is approved in Europe and sodium oxybate is approved in Italy and Austria only. Baclofen received a "temporary recommendation for use" in France. Areas covered. The safety of the medications mentioned above on liver, digestive system, kidney function, nervous system, pregnancy and lactation and their possible side effects are described and discussed...
November 9, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/29116382/selective-dorsal-rhizotomy-for-the-treatment-of-severe-spastic-cerebral-palsy-efficacy-and-therapeutic-durability-in-gmfcs-grade-iv-and-v-children
#10
Daniel D'Aquino, Ahmad A Moussa, Amr Ammar, Harshal Ingale, Michael Vloeberghs
BACKGROUND: Selective dorsal rhizotomy (SDR) has been established as an effective surgical treatment for spastic diplegia. The applicability of SDR to the full spectrum of spastic cerebral palsy and the durability of its therapeutic effects remain under investigation. There are currently limited data in the literature regarding efficacy and outcomes following SDR in Gross Motor Function Classification System (GMFCS) IV and V patients. Intrathecal baclofen has traditionally been the surgical treatment of choice for these patients...
November 7, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29115915/neuromodulation-in-multiple-sclerosis
#11
Hesham Abboud, Eddie Hill, Junaid Siddiqui, Alessandro Serra, Benjamin Walter
Neuromodulation, or the utilization of advanced technology for targeted electrical or chemical neuronal stimulation or inhibition, has been expanding in several neurological subspecialties. In the past decades, immune-modulating therapy has been the main focus of multiple sclerosis (MS) research with little attention to neuromodulation. However, with the recent advances in disease-modifying therapies, it is time to shift the focus of MS research to neuromodulation and restoration of function as with other neurological subspecialties...
November 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/29115173/role-of-gabab-receptors-and-p38mapk-nf-%C3%AE%C2%BAb-pathway-in-paclitaxel-induced-apoptosis-of-hippocampal-neurons
#12
Zhao Li, Peng Liu, Hailin Zhang, Shuang Zhao, Zi Jin, Rui Li, Yuexian Guo, Xiuli Wang
CONTEXT: The effects of the anticancer drug paclitaxel on learning and memory are rarely studied. OBJECTIVE: This study investigated changes in GABAB receptor expression during paclitaxel-induced apoptosis of hippocampal neurons and the role of the p38MAPK/NF-κB pathway in this process. MATERIALS AND METHODS: Hippocampal neurons isolated from neonatal Sprague-Dawley rats were divided into six groups: Control (C), SB (10 µL of 10-µmol/L SB203580), SN (53 µg/mL SN50), N (1 µmol/L paclitaxel), SB + N (10 µmol/L SB203580 + 1 µmol/L paclitaxel) and SN + N (53 µg/mL SN50 + 1 µmol/L paclitaxel)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29114270/trigeminal-neuralgia
#13
REVIEW
Yad Ram Yadav, Yadav Nishtha, Pande Sonjjay, Parihar Vijay, Ratre Shailendra, Khare Yatin
Trigeminal neuralgia (TN) is a sudden, severe, brief, stabbing, and recurrent pain within one or more branches of the trigeminal nerve. Type 1 as intermittent and Type 2 as constant pain represent distinct clinical, pathological, and prognostic entities. Although multiple mechanism involving peripheral pathologies at root (compression or traction), and dysfunctions of brain stem, basal ganglion, and cortical pain modulatory mechanisms could have role, neurovascular conflict is the most accepted theory. Diagnosis is essentially clinically; magnetic resonance imaging is useful to rule out secondary causes, detect pathological changes in affected root and neurovascular compression (NVC)...
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29111148/effects-of-opioid-and-nonopioid-analgesics-on-canine-wheal-formation-and-cultured-human-mast-cell-degranulation
#14
Eric Schmidt-Rondon, Zhenping Wang, Shelle A Malkmus, Anna Di Nardo, Keith Hildebrand, Linda Page, Tony L Yaksh
Mast cell (MC) degranulation has been implicated in the side effect profile of a variety of clinically useful agents. Thus, after intrathecal delivery, formation of space-occupying, meningeally-derived masses may be related to local MC degranulation. We systematically characterized degranulating effects of opioid and nonopioid analgesics on cutaneous flares in the dog and in primary human MC (hMC) cultures. METHODS: Dogs were anesthetized with IV propofol and received intradermal (ID) injections (50μL)...
October 27, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29111036/gabab-receptor-ligand-directed-trimethyl-chitosan-tripolyphosphate-nanoparticles-and-their-pmdi-formulation-for-survivin-sirna-pulmonary-delivery
#15
Suhui Ni, Yun Liu, Yue Tang, Jing Chen, Shuhan Li, Ji Pu, Lidong Han
The effect of gene silencing by survivin siRNA (siSurvivin) on the proliferation and apoptosis of lung tumor has been attracted more interest. GABAB receptor ligand-directed nanoparticles consisting of baclofen functionalized trimethyl chitosan (Bac-TMC) as polymeric carriers, tripolyphosphate (TPP) as ionic crosslinker, and siSurvivin as therapeutic genes, were designed to enhance the survivin gene silencing. GABAB receptor agonist baclofen (Bac) was initially introduced into TMC as a novel ligand. This Bac-TMC/TPP nanoparticles increased the uptake of survivin siRNA through the interaction with GABAB receptor, further resulted in efficient cell apoptosis and gene silencing...
January 1, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29105865/oral-medication-prescription-practices-of-tertiary-based-specialists-for-dystonia-in-children-with-cerebral-palsy
#16
Adrienne Harvey, Dinah Reddihough, Adam Scheinberg, Katrina Williams
AIM: To examine current clinical practice for prescribing medications for children with dystonic cerebral palsy (CP) by medical doctors working at a tertiary care centre. METHODS: Rehabilitation and developmental paediatric specialists completed: (i) a custom-designed online cross-sectional survey capturing their usual prescribing patterns; and (ii) one-page questionnaires detailing medication prescription for each child with CP who they started on a new medication for dystonia over a 12-month period...
November 6, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29101071/subarachnoid-to-subarachnoid-shunt-for-correction-of-nonfunctioning-baclofen-pump-in-a-severe-case-of-chronic-debilitating-post-spinal-cord-injury-spasticity
#17
Adewale A Bakare, Jonathan Weyhenmeyer, Albert Lee
BACKGROUND AND IMPORTANCE: Perhaps the most disabling condition seen in patients with spinal cord injury is spasticity. Spasticity is characterized as hyperreflexia and hypertonicity as a result of damage to the supraspinal tracts in the aftermath of SCI. Intrathecal baclofen (ITB) is the mainstay therapy for spasticity unresponsive to oral baclofen. One of the problems associated with post-SCI spasticity unresponsive to ITB is development of scar tissue that prevents the diffusion of baclofen in the desired spinal cord area...
October 31, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29093348/the-role-of-dopaminergic-signaling-in-the-medial-prefrontal-cortex-for-the-expression-of-cocaine-induced-conditioned-place-preference-in-rats
#18
Fumiya Shinohara, Hironori Kamii, Masabumi Minami, Katsuyuki Kaneda
The expression phase of cocaine-induced conditioned place preference (CPP) represents a cocaine-seeking behavior triggered by contextual cues associated with the rewarding effects of cocaine. However, the exact mechanisms underlying the cocaine CPP expression remain unclear. Here, we investigated the role of dopaminergic (DAergic) transmission in the medial prefrontal cortex (mPFC) for the expression of cocaine CPP. An intra-ventral tegmental area (VTA) injection of a cocktail of γ-aminobutyric acid (GABA)B and GABAA receptor agonists (baclofen and muscimol, respectively) immediately before the posttest inhibited the expression of cocaine CPP...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29091319/population-pharmacokinetics-of-oral-baclofen-at-steady-state-in-alcoholic-dependent-adult-patients
#19
Lucie Chevillard, Naomi Sabo, Michel Tod, Laurence Labat, Céline Chasport, Céline Chevaleyre, Florence Thibaut, Jérôme Barré, Julien Azuar, Franck Questel, Florence Vorspan, Vanessa Bloch, Frank Bellivier, Bernard Granger, Camille Barrault, Xavier Declèves
Baclofen has been proposed for few years to help treating alcohol-dependence at higher doses than those used in neurology. Baclofen pharmacokinetics has been previously well described at low oral or intravenous doses but remains poorly investigated with such high oral doses. We here describe dose regimens of baclofen in 143 alcohol-dependent-patients treated with steady-state oral doses of baclofen. Plasma baclofen levels were measured in blood samples using liquid chromatography coupled with tandem mass spectrometry...
November 1, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/29089891/inactivation-of-the-prelimbic-cortex-impairs-the-context-induced-reinstatement-of-ethanol-seeking
#20
Paola Palombo, Rodrigo M Leao, Paula C Bianchi, Paulo E C de Oliveira, Cleopatra da Silva Planeta, Fábio C Cruz
Evidence indicates that drug relapse in humans is often provoked by exposure to the self-administered drug-associated context. An animal model called "ABA renewal procedure" has been used to study the context-induced relapse to drug seeking. Here, we reported a new and feasible training procedure for the ABA renewal method to explore the role of the prelimbic cortex in context-induced relapse to ethanol seeking. By using a saccharin fading technique, we trained rats to self-administer ethanol (10%). The drug delivery was paired with a discrete tone-light cue...
2017: Frontiers in Pharmacology
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