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546 active trials for Parkinson Disease

Intelligibility Assessment for Parkinson's Disease

The investigators aim at testing the efficacy of an app to measure sentence intelligibility in noise in speakers with Parkinson's disease and in healthy controls.

Start: April 2021

Study of the Fecal Microbiome in Patients With Parkinson's Disease

The purpose of this study is to characterize the intestinal microbiome in subjects with Parkinson's disease and to determine safety and trends in improvements in diversity of colonic microbiome following administration of lyophilized PRIM-DJ2727

Start: May 2019

Leap Motion Controller on the Functionality of Upper Limbs in Parkinson's Disease

Is treatment with the Leap Motion Controller device effective for upper limb functionality in individuals with Parkinson's Disease? The present study presents two hypotheses: True hypothesis: There is an improvement in the functionality of MMSS after intervention with virtual reality? Null hypothesis: There is no improvement in the functionality of MMSS after intervention with virtual reality? The proposed work will be characterized as a Randomized Clinical Trial, with evaluators outside the experimental groups (single-blind). The sample will be probabilistic, from individuals diagnosed with Parkinson's disease.

Start: May 2021

Parkinson's Disease and Experiences Throughout the COVID-19 Pandemic

The purpose of this research study is to examine the relationship between personal characteristics and satisfaction with care in those diagnosed with Parkinson's disease during the COVID-19 pandemic. Participants will take 4 different surveys regarding their satisfaction with care throughout the duration of the COVID-19 pandemic. The surveys in total should not take more than 30 minutes to complete

Start: March 2021

Visual Spatial Exploration and Art Therapy Intervention in Patients Diagnosed With Parkinson's Disease

The purpose of this dual phase cross-sectional, controlled and prospective, open label, exploratory study is to determine the general characteristics of visuospatial exploration and its neural substrate in subjects with Parkinson's Disease (PD) and to explore the impact of professional art therapy intervention in a cohort of subjects with Parkinson's Disease on visuospatial exploration, visuomotor integration, neuropsychological and emotional sphere, quality of daily living and motor symptoms.

Start: July 2017

Effects of a Dynamic Upper Limb Orthosis in Patients With Parkinson's Disease

This is a randomized controlled clinical trial aimed at Parkinson's disease patients. Its objective is to evaluate the effects of a dynamic upper limb orthosis to achieve maximum hand functionality, reducing tremor and rigidity

Start: January 2021

Vigor and the LDR in Parkinson Disease

Parkinson disease (PD) is a common disorder in which reduced speed of movement results from inadequate brain production of the chemical dopamine. The most effective treatment for PD is the drug levo-dopa, which partially replaces brain dopamine. Despite decades of successful use, how levo-dopa improves speed of movement in PD is not understood. This observational study recruits participants who have been prescribed levo-dopa by their treating physicians. Before their first dose, immediately after their first dose and later, when their dose has been stabilized, they will engage with the research team to participate in a few simple experiments to measure speed, grip strength, tremor, and stability (on and off of treatment). The purpose of these experiments is to understand how levo-dopa treatment in Parkinson disease enhances movement speed. An important but not understood component of levo-dopa action, the Long Duration Response (LDR), lasts for days to weeks. A basic function of dopamine signaling in the brain is modulation of motivation - the coupling between effort and action values. These experiments will determine if the LDR is associated with relative normalization of motivation function in the brain. The motivation behavior of recently diagnosed PD participants will be examined before and after treatment with levo-dopa to determine if the magnitude of the LDR is correlated with improvements in motivation behavior.

Start: February 2020

Rapid dEvice Testing pROtocol for Parkinson's Disease

This is an 8 week observational study to evaluate the feasibility of using remote monitoring technologies in future studies of PD. The study will 2 clinical evaluations (one initial, one final), and an 8-week monitoring period including 4 virtual visits where participants will use a combination of digital devices (Emerald touchless sensor system with associated ankle accelerometer, iPhone, Apple Watch, iPad, Fitbit Aria, FitBit Versa, Withings Blood Pressure Monitor Connect, and/or Withings Sleep Mat) during their daily lives.

Start: November 2020

A Pilot Biomarker Study Assessing Alpha-synuclein Aggregates Across Biofluid Reservoirs in Patients With Synucleinopathies

This will be an observational study looking at clinical and biomarker characteristics in patients with Parkinson's Disease (PD), Multiple System Atrophy (MSA), Rapid Eye Movement Sleep Behavior Disorder (RBD), Normal Pressure Hydrocephalus and matched controls. Saliva, plasma, serum, urine, and cerebrospinal fluid (CSF) samples will be collected from participants.

Start: January 2020

A Study to Evaluate the add-on Efficacy and Safety of Opicapone 50 mg or an Extra Dose of L-DOPA 100 mg for the Treatment of Wearing-off in Patients With PD

A Study to evaluate the add-on efficacy and safety of opicapone 50 mg or an extra dose of L-DOPA 100 mg for the treatment of wearing-off in patients with PD.

Start: May 2021

Predicting Outcomes From tDCS Intervention in Parkinson' Disease Using Electroencephalographic Biomarkers and Machine Learning Approach: the PREDICT Study Protocol

Parkinson's disease (PD) is a progressive and disabling neurodegenerative disease, clinically characterized by motor and non-motor symptoms. The potential of the "Transcranial direct current stimulation" (tDCS) for symptomatic improvement in these patients has been demonstrated, but the factors associated with the best therapeutic response are not known. The electroencephalogram (EEG) is considered as a diagnostic and prognostic biomarker of PD, and has been used in recent studies associated with machine-learning methods to identify predictors of responses in neurological and psychiatric conditions. Using connectivity-based prediction and machine-learning, the investigators intend to identify and compare characteristics related to baseline resting EEG between PD responders and non-responders to tDCS treatment. The recruited participants will be randomized to treatment with active tDCS associated with dual-task motor therapy or motor therapy with visual cues. A resting-state electroencephalography (EEG) will be recorded prior to the start of the treatment. The investigators will determine clinical improvement labels used for machine learning classification, in baseline and posttreatment assessments and will use three different methods to categorize the data into two classes (low or high improvement): Support Vector Machine (SVM), Linear Discriminant Analysis (LDA) and Extreme Learning Machine (ELM). The functional label will be based on the Timed Up and Go Test recorded at baseline and posttreament of tDCS treatment.

Start: June 2021

Clinical Response of Impulsivity After Brain Stimulation in Parkinson's Disease

The objective of this prospective observational cohort study is to answer the following clinically important questions: In patients with a pre-operative history of ICBs, what is the likelihood of improvement or deterioration in ICBs post-operatively? What is the risk of developing post-operative de novo ICBs after Subthalamic Nucleus DBS (STN DBS)? Which factors are important in predicting changes in ICBs after STN DBS? What is the impact of ICBs on carer's quality of life QoL and burden?

Start: June 2021

Characterization of Complex Pulse Shapes in Deep Brain Stimulation for Movement Disorders Using EEG and Local Field Potential Recordings

Parkinson's disease and essential tremor are chronic movement disorders for which there is no cure. When medication is no longer effective, deep brain stimulation (DBS) is recommended. Standard DBS is a neuromodulation method that uses a simple monophasic pulse, delivered from an electrode to stimulate neurons in a target brain area. This monophasic pulse spreads out from the electrode creating a broad, electric field that stimulates a large neural population. This can often effectively reduce motor symptoms. However, many DBS patients experience side effects - caused by stimulation of non-target neurons - and suboptimal symptom control - caused by inadequate stimulation of the correct neural target. The ability to carefully manipulate the stimulating electric field to target specific neural subpopulations could solve these problems and improve patient outcomes. The use of complex pulse shapes, specifically biphasic pulses and asymmetric pre-pulses, can control the temporal properties of the stimulation field. Evidence suggests that temporal manipulations of the stimulation field can exploit biophysical differences in neurons to target specific subpopulations. Therefore, our aim is to evaluate the direct neurophysiological effects of complex pulse shapes in DBS movement disorder patients. This will be achieved using a two-stage investigation: stage one will study the neural response to different pulse shapes using electroencephalography (EEG) recordings. Stage two will study the neural responses to different pulse shapes using intra-operative local field potential (LFP) recordings. This study only relates only to the collection of EEG and LFP recordings in DBS patients. The protocol does not cover any surgical procedures, which already take place as part of the patient's normal clinical care.

Start: December 2020

Study on the Mode and Mechanism of Ultra-low Frequency rTMS for Sleep Disorders in Patients With Parkinson's Disease

The study by giving a sleep disorder Parkinson's disease patients with different patterns of ultra-low frequency transcranial magnetic stimulation or sham stimulation, scale for assessment of the patients were observed, hematology and imaging changes before and after therapy, clear ultra-low frequency transcranial magnetic stimulation for sleep disorder Parkinson's disease treatment, to explore the mechanism of action, compare the difference between different modes.

Start: December 2019

Study of Feasibility and Efficacy of Telecommunication Platforms as an Adjunctive Clinical Tool for a Parkinson's Disease Clinic

Telecommunication Platforms are new technology founded to build better short messages service alternative. Their use have increasingly drawn a wider range of interest as a text communication and video chat system between health care professionals and patients and health care professionals themselves. However, high-quality and adequately evaluated research, especially in the field of neurodegenerative diseases such as Parkinson´s disease, is needed to establish whether patients with these specific neurological problems can be effectively managed with these technological tools in low, middle, and high-income countries

Start: February 2021

Closed Loop DBS Implanted RC+S Study

This study involves patients who are already planning to have deep brain stimulation (DBS) surgery to treat the symptoms of severe Parkinson's Disease (PD). The study has two goals: to evaluate the effectiveness of implanting DBS electrodes in the two most common locations for DBS (subthalamic nucleus (STN), and globus pallidus interna (GPi)), instead of just one electrode, on each side of the brain; and to develop an adaptive DBS system using brain signals measured from these two electrodes.

Start: July 2019

Non-Invasive Brain Stimulation for the Treatment of Parkinson´s Disease-related Pain

Pain is an under-reported but prevalent symptom in Parkinson´s Disease (PD), impacting patients' quality of life. Both pain and PD conditions cause cortical excitability reduction, but non-invasive brain stimulation is thought to be able to counteract it, resulting also effective in chronic pain conditions. The investigators in the present project aim to evaluate the efficacy of a novel brain stimulation protocol in the management of pain in PD patients during the ON state. The investigators hypothesize that active transcranial direct current stimulation (a-tDCS) over the Primary Motor Cortex (M1) can improve clinical pain and its central processing features.

Start: May 2021

Mental Representation Techniques for the Treatment of Parkinson´s Disease-related Pain

Pain is an under-reported but prevalent symptom in Parkinson´s Disease (PD), impacting patients' quality of life. Both pain and PD conditions cause cortical excitability reduction, but mental representations techniques are thought to be able to counteract it, resulting also effective in chronic pain conditions. The investigators of the present project aim to evaluate the efficacy of a novel mental representation protocol in the management of pain in PD patients during the ON state. The investigators hypothesize that Action Observation (AO) and Motor Imagery (MI) training through a Brain-Computer Interface (BCI) using Virtual Reality (AO+MI-BCI) can improve clinical pain and its central processing features.

Start: May 2021

Motor Learning and Multi-session tDCS in Parkinson's Disease

The present study seeks to examine the efficacy of multi-session transcranial direct current stimulation applied over the primary motor cortex in people with Parkinson's disease on sequential motor learning performance.

Start: April 2021

Long-Term Follow-up Safety After DDS Implantation With/Without CDNF Infusions

This study is a follow up to the HP-CD-CL-2002 clinical study. It evaluates the long-term safety in patients with Parkinson's disease after implantation of an investigational drug delivery system (DDS) with or without infusions of CDNF. All patients will have at least the port explanted.

Start: March 2019