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Parkinson trial

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https://www.readbyqxmd.com/read/28440888/training-dual-tasks-together-or-apart-in-parkinson-s-disease-results-from-the-duality-trial
#1
Carolien Strouwen, Esther A L M Molenaar, Liesbeth Münks, Samyra H J Keus, Jan C M Zijlmans, Wim Vandenberghe, Bastiaan R Bloem, Alice Nieuwboer
BACKGROUND AND OBJECTIVES: Many controversies surround the usefulness of dual-task training in Parkinson's disease (PD). This study (1) compared the efficacy of two different dual-task training programs for improving dual-task gait and (2) assessed the possible fall risk of such training. METHODS: Patients (N = 121) with a diagnosis of PD (aged 65.93 [±9.22] years, Hoehn and Yahr stage II-III on-medication) were randomized to (1) a consecutive group in which gait and cognitive tasks were trained separately or (2) an integrated group in which gait and cognitive tasks were trained simultaneously...
April 25, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28436572/a-randomized-double-blind-placebo-controlled-trial-evaluating-cysteamine-in-huntington-s-disease
#2
Christophe Verny, Anne-Catherine Bachoud-Lévi, Alexandra Durr, Cyril Goizet, Jean-Philippe Azulay, Clémence Simonin, Christine Tranchant, Fabienne Calvas, Pierre Krystkowiak, Perrine Charles, Katia Youssov, Clarisse Scherer, Adriana Prundean, Audrey Olivier, Pascal Reynier, Frédéric Saudou, Patrick Maison, Philippe Allain, Erica von Studnitz, Dominique Bonneau
BACKGROUND: Cysteamine has been demonstrated as potentially effective in numerous animal models of Huntington's disease. METHODS: Ninety-six patients with early-stage Huntington's disease were randomized to 1200 mg delayed-release cysteamine bitartrate or placebo daily for 18 months. The primary end point was the change from baseline in the UHDRS Total Motor Score. A linear mixed-effects model for repeated measures was used to assess treatment effect, expressed as the least-squares mean difference of cysteamine minus placebo, with negative values indicating less deterioration relative to placebo...
April 24, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28436538/longitudinal-magnetic-resonance-imaging-in-progressive-supranuclear-palsy-a-new-combined-score-for-clinical-trials
#3
Günter U Höglinger, Jakob Schöpe, Maria Stamelou, Jan Kassubek, Teodoro Del Ser, Adam L Boxer, Stefan Wagenpfeil, Hans-Jürgen Huppertz
BACKGROUND: Two recent, randomized, placebo-controlled phase II/III trials (clinicaltrials.gov: NCT01110720, NCT01049399) of davunetide and tideglusib in progressive supranuclear palsy (PSP) generated prospective, 1-year longitudinal datasets of high-resolution T1-weighted three-dimensional MRI. OBJECTIVE: The objective of this study was to develop a quantitative MRI disease progression measurement for clinical trials. METHODS: The authors performed a fully automated quantitative MRI analysis employing atlas-based volumetry and provide sample size calculations based on data collected in 99 PSP patients assigned to placebo in these trials...
April 24, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28436395/phase-iib-study-of-intranasal-glutathione-in-parkinson-s-disease
#4
Laurie K Mischley, Richard C Lau, Eric G Shankland, Timothy K Wilbur, Jeannie M Padowski
BACKGROUND: Reduced glutathione (GSH) is an endogenously synthesized tripeptide depleted early in the course of Parkinson's disease (PD) and GSH augmentation has been proposed as a therapeutic strategy in PD. OBJECTIVE: This Phase IIb study was designed to evaluate whether a Phase III study of intranasal GSH, (in)GSH, for symptomatic relief is warranted and to determine the most appropriate trial design for a disease-modification study. METHODS: This was a double-blind, placebo-controlled trial of 45 individuals with Hoehn & Yahr Stage 1-3 PD...
April 20, 2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/28431288/longitudinal-whole-brain-atrophy-and-ventricular-enlargement-in-nondemented-parkinson-s-disease
#5
Elijah Mak, Li Su, Guy B Williams, Michael J Firbank, Rachael A Lawson, Alison J Yarnall, Gordon W Duncan, Brit Mollenhauer, Adrian M Owen, Tien K Khoo, David J Brooks, James B Rowe, Roger A Barker, David J Burn, John T O'Brien
We investigated whole-brain atrophy and ventricular enlargement over 18 months in nondemented Parkinson's disease (PD) and examined their associations with clinical measures and baseline CSF markers. PD subjects (n = 100) were classified at baseline into those with mild cognitive impairment (MCI; PD-MCI, n = 36) and no cognitive impairment (PD-NC, n = 64). Percentage of whole-brain volume change (PBVC) and ventricular expansion over 18 months were assessed with FSL-SIENA and ventricular enlargement (VIENA) respectively...
March 16, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28412948/a-computerized-tablet-system-for-evaluating-treatment-of-essential-tremor-by-magnetic-resonance-guided-focused-ultrasound
#6
Fred Tam, Yuexi Huang, Michael L Schwartz, Tom A Schweizer, Kullervo Hynynen, Simon J Graham
BACKGROUND: Transcranial magnetic resonance guided focused ultrasound is an emerging technology under evaluation for treatment of essential tremor, a prevalent movement disorder. A qualitative evaluation is performed by a clinician periodically during the procedure to maximize treatment effects and minimize adverse effects. The present work demonstrates a magnetic resonance-compatible method to enable more precise, quantitative measurement of tremor severity. METHODS: Tremor severity was measured in 12 patients pre-, post-, and intra-operatively, using a magnetic resonance-compatible tablet and a computerized adaptation of drawing tasks from the widely-used Fahn-Tolosa-Marin Tremor Rating Scale...
April 17, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28409730/chronic-multisite-brain-recordings-from-a-totally-implantable-bidirectional-neural-interface-experience-in-5-patients-with-parkinson-s-disease
#7
Nicole C Swann, Coralie de Hemptinne, Svjetlana Miocinovic, Salman Qasim, Jill L Ostrem, Nicholas B Galifianakis, Marta San Luciano, Sarah S Wang, Nathan Ziman, Robin Taylor, Philip A Starr
OBJECTIVE Dysfunction of distributed neural networks underlies many brain disorders. The development of neuromodulation therapies depends on a better understanding of these networks. Invasive human brain recordings have a favorable temporal and spatial resolution for the analysis of network phenomena but have generally been limited to acute intraoperative recording or short-term recording through temporarily externalized leads. Here, the authors describe their initial experience with an investigational, first-generation, totally implantable, bidirectional neural interface that allows both continuous therapeutic stimulation and recording of field potentials at multiple sites in a neural network...
April 14, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28408811/systematic-review-on-strength-training-in-parkinson-s-disease-an-unsolved-question
#8
REVIEW
Ileana Ramazzina, Benedetta Bernazzoli, Cosimo Costantino
The purpose of this study was to investigate the effectiveness of strength training, performed against a different resistance from body weight, in improving motor and nonmotor symptoms in patients with Parkinson's disease (PD). The following electronic databases were searched: PubMed, Physiotherapy Evidence Database, Cochrane Central Register of Controlled Trials, Scopus, and Web of Science. The review was conducted and reported in accordance with the PRISMA statement. Thirteen high-quality randomized controlled trials were included...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28405611/long-term-follow-up-of-a-randomized-aav2-gad-gene-therapy-trial-for-parkinson-s-disease
#9
Martin Niethammer, Chris C Tang, Peter A LeWitt, Ali R Rezai, Maureen A Leehey, Steven G Ojemann, Alice W Flaherty, Emad N Eskandar, Sandra K Kostyk, Atom Sarkar, Mustafa S Siddiqui, Stephen B Tatter, Jason M Schwalb, Kathleen L Poston, Jaimie M Henderson, Roger M Kurlan, Irene H Richard, Christine V Sapan, David Eidelberg, Matthew J During, Michael G Kaplitt, Andrew Feigin
BACKGROUND. We report the 12-month clinical and imaging data on the effects of bilateral delivery of the glutamic acid decarboxylase gene into the subthalamic nuclei (STN) of advanced Parkinson's disease (PD) patients. METHODS. 45 PD patients were enrolled in a 6-month double-blind randomized trial of bilateral AAV2-GAD delivery into the STN compared with sham surgery and were followed for 12 months in open-label fashion. Subjects were assessed with clinical outcome measures and (18)F-fluorodeoxyglucose (FDG) PET imaging...
April 6, 2017: JCI Insight
https://www.readbyqxmd.com/read/28399152/tackling-psychosocial-maladjustment-in-parkinson-s-disease-patients-following-subthalamic-deep-brain-stimulation-a-randomised-clinical-trial
#10
Joao Flores Alves Dos Santos, Sophie Tezenas du Montcel, Marcella Gargiulo, Cecile Behar, Sébastien Montel, Thierry Hergueta, Soledad Navarro, Hayat Belaid, Pauline Cloitre, Carine Karachi, Luc Mallet, Marie-Laure Welter
BACKGROUND: Subthalamic nucleus deep brain stimulation (STN-DBS) is an effective treatment for the motor and non-motor signs of Parkinson's disease (PD), however, psychological disorders and social maladjustment have been reported in about one third of patients after STN-DBS. We propose here a perioperative psychoeducation programme to limit such social and familial disruption. METHODS: Nineteen PD patients and carers were included in a randomised single blind study...
2017: PloS One
https://www.readbyqxmd.com/read/28391305/the-effectiveness-of-singing-or-playing-a-wind-instrument-in-improving-respiratory-function-in-patients-with-long-term-neurological-conditions-a-systematic-review
#11
Kexin Ang, Matthew Maddocks, Huiying Xu, Irene J Higginson
Background: Many long-term neurological conditions adversely affect respiratory function. Singing and playing wind instruments are relatively inexpensive interventions with potential for improving respiratory function; however, synthesis of current evidence is needed to inform research and clinical use of music in respiratory care. Objective: To critically appraise, analyze, and synthesize published evidence on the effectiveness of singing or playing a wind instrument to improve respiratory function in people with long-term neurological conditions...
March 1, 2017: Journal of Music Therapy
https://www.readbyqxmd.com/read/28390207/a-randomized-clinical-trial-investigating-the-effect-of-particle-size-of-calcium-sodium-phosphosilicate-csps-on-the-efficacy-of-csps-containing-dentifrices-for-the-relief-of-dentin-hypersensitivity
#12
Peng Zang, Charles Parkinson, Claire Hall, Nan Wang, Han Jiang, Jing Zhang, Minquan Du
OBJECTIVES: To investigate the effect of reducing the particle size of calcium sodium phosphosilicate (CSPS) bioactive glass from ~14 µm (NovaMin®) to ~4 µm (Vitryxx®), and of changing the fluoride source in a 5% CSPS dentifrice from sodium monofluorophosphate (SMFP) to sodium fluoride (NaF) on the efficacy of CSPS-containing dentifrices in dentin hypersensitivity (DH) relief. METHODS: A randomized, controlled, examiner-blind, five-treatment arm, parallel group, stratified, exploratory study of NaF dentifrices containing 2...
June 2016: Journal of Clinical Dentistry
https://www.readbyqxmd.com/read/28388939/auto-detection-and-segmentation-of-daily-living-activities-during-a-timed-up-and-go-task-in-people-with-parkinson-s-disease-using-multiple-inertial-sensors
#13
Hung Nguyen, Karina Lebel, Patrick Boissy, Sarah Bogard, Etienne Goubault, Christian Duval
BACKGROUND: Wearable sensors have the potential to provide clinicians with access to motor performance of people with movement disorder as they undergo intervention. However, sensor data often have to be manually classified and segmented before they can be processed into clinical metrics. This process can be time consuming. We recently proposed detection and segmentation algorithms based on peak detection using Inertial Measurement Units (IMUs) to automatically identify and isolate common activities during daily living such as standing up, walking, turning, and sitting down...
April 7, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28387684/neuropsychological-subgroups-in-non-demented-parkinson-s-disease-a-latent-class-analysis
#14
Laura Brennan, Kathryn M Devlin, Sharon X Xie, Dawn Mechanic-Hamilton, Baochan Tran, Howard H Hurtig, Alice Chen-Plotkin, Lama M Chahine, James F Morley, John E Duda, David R Roalf, Nabila Dahodwala, Jacqueline Rick, John Q Trojanowski, Paul J Moberg, Daniel Weintraub
BACKGROUND: Methods to detect early cognitive decline and account for heterogeneity of deficits in Parkinson's disease (PD) are needed. Quantitative methods such as latent class analysis (LCA) offer an objective approach to delineate discrete phenotypes of impairment. OBJECTIVE: To identify discrete neurocognitive phenotypes in PD patients without dementia. METHODS: LCA was applied to a battery of 8 neuropsychological measures to identify cognitive subtypes in a cohort of 199 non-demented PD patients...
April 4, 2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/28387682/exendin-4-treatment-improves-lps-induced-depressive-like-behavior-without-affecting-pro-inflammatory-cytokines
#15
Filip Ventorp, Cecilie Bay-Richter, Analise Sauro Nagendra, Shorena Janelidze, Viktor Sjödahl Matsson, Jack Lipton, Ulrika Nordström, Åsa Westrin, Patrik Brundin, Lena Brundin
BACKGROUND: Exendin-4 is a peptide agonist of the glucagon-like peptide-1 (GLP-1) receptor, currently in clinical trials as a potential disease-modifying therapy for Parkinson's disease. In light of this, it is important to understand potential modes of action of exendin-4 in the brain. Exendin-4 is neuroprotective and has been proposed to be directly anti-inflammatory, and that this is one way it reduces neurodegeneration. However, prior studies have focused on animal models involving both neurodegeneration and inflammation, therefore, it is also possible that the observed decreased inflammation is secondary to reduced neurodegeneration...
April 4, 2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/28387681/prevalence-of-prodromal-parkinson-s-disease-as-defined-by-mds-research-criteria-among-elderly-patients-undergoing-colonoscopy
#16
Skorvanek Matej, Ladomirjakova Zuzana, Han Vladimir, Lesko Norbert, Feketeova Eva, Jarcuskova Dominika, Repkova Barbora, Spisak Peter, Urbancikova Zuzana, Vargova Adriana, Gombosova Laura, Zakuciova Maria, Veseliny Eduard, Trebuna Frantisek, Mechirova Eva, Gdovinova Zuzana
BACKGROUND: Gastrointestinal symptoms are a well-recognized and common premotor feature of Parkinson's disease (PD). Moreover, multiple studies have assessed the value of colonic α-synuclein as a potential marker of prodromal PD. Recently, the International Parkinson and Movement Disorders Society (MDS) defined research criteria for prodromal PD. OBJECTIVE: The aim of our study was to test the MDS research criteria in patients undergoing diagnostic colonoscopies as potential candidates for inclusion in prospective trials evaluating colonic biopsies as a potential biomarker of prodromal PD...
April 4, 2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/28386306/a-preclinical-systematic-review-of-ginsenoside-rg1-in-experimental-parkinson-s-disease
#17
REVIEW
Liang Song, Meng-Bei Xu, Xiao-Li Zhou, Dao-Pei Zhang, Shu-Ling Zhang, Guo-Qing Zheng
To date, no drug has been proven to be neuroprotective or disease-modifying for Parkinson's disease (PD) in clinical trials. Here, we aimed to assess preclinical evidence of Ginsenosides-Rg1 (G-Rg1), a potential neuroprotectant, for experimental PD and its possible mechanisms. Eligible studies were identified by searching six electronic databases from their inception to August 2016. Twenty-five eligible studies involving 516 animals were identified. The quality score of these studies ranged from 3 to 7. Compared with the control group, two out of the 12 studies of MPTP-induced PD showed significant effects of G-Rg1 for improving the rotarod test (P < 0...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28385039/evidence-based-review-of-pharmacotherapy-used-for-parkinson-s-disease-psychosis
#18
Kyle John Wilby, Eric G Johnson, Hannah E Johnson, Mary H H Ensom
OBJECTIVE: To summarize and evaluate the existing literature regarding medications to treat Parkinson's disease (PD) psychosis. DATA SOURCES: MEDLINE (1946 to March 2017), EMBASE (1980 to March 2017), CINAHL (1982 to March 2017), and PsychInfo (1887 to March 2017) were searched using the following terms: Parkinson disease, Parkinson's disease, psychotic disorders, psychosis, delusions, and hallucinations. STUDY SELECTION AND DATA EXTRACTION: The search was limited to randomized controlled trials (RCTs) reporting human outcomes...
April 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28375643/pimavanserin
#19
Kevin M Bozymski, Denise K Lowe, Kiersten M Pasternak, Travis L Gatesman, Ericka L Crouse
OBJECTIVE: To review the pharmacology, pharmacokinetics, efficacy, safety, and place in therapy of pimavanserin for the treatment of hallucinations and delusions of Parkinson's disease psychosis (PDP). DATA SOURCES: A comprehensive PubMed search (1966 to January 2017) was conducted using the search terms Parkinson's disease psychosis, hallucinations, delusions, pimavanserin, and ACP-103. Additional data were obtained from references of identified articles, governmental sources, manufacturer product labeling and website, and Clinicaltrials...
February 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28373849/deep-brain-stimulation-in-anorexia-nervosa-hope-for-the-hopeless-or-exploitation-of-the-vulnerable-the-oxford-neuroethics-gold-standard-framework
#20
Rebecca J Park, Ilina Singh, Alexandra C Pike, Jacinta O A Tan
Neurosurgical interventions for psychiatric disorders have a long and troubled history (1, 2) but have become much more refined in the last few decades due to the rapid development of neuroimaging and robotic technologies (2). These advances have enabled the design of less invasive techniques, which are more focused, such as deep brain stimulation (DBS) (3). DBS involves electrode insertion into specific neural targets implicated in pathological behavior, which are then repeatedly stimulated at adjustable frequencies...
2017: Frontiers in Psychiatry
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