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Essential Tremor clinical trials

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NCT ID: NCT06343285 Recruiting - Essential Tremor Clinical Trials

Upper Limb Tremor Reduction in Essential Tremor Patients

ULTRE
Start date: January 1, 2024
Phase: N/A
Study type: Interventional

This study is designed to demonstrate the safety and tolerability of the Encora Therapeutics Tremor Mitigation Device in subjects with upper limb tremor caused by Essential Tremor.

NCT ID: NCT06331052 Recruiting - Essential Tremor Clinical Trials

3-D Tractography FUS Ablation for Essential Tremor

Start date: February 28, 2024
Phase: N/A
Study type: Interventional

The investigators propose to advance Vim-FUSA (Ventral Intermediate Nucleus - Focused Ultrasound Ablation) with the support of 3-D tractography, a neuroimaging technique to visually represent nerve tracts within the brain. The investigators hypothesize that 3-D tractography Vim-FUSA will improve the Vim ablation compared to standard Vim-FUSA and prove safe and feasible in the clinical setting. The investigators also hypothesize that intraoperative magnetic resonance (i-MR) monitoring will differentiate ablated tissue from immediate perilesional edema and accurately predict the Vim-FUSA clinical outcomes.

NCT ID: NCT06293638 Recruiting - Essential Tremor Clinical Trials

Functional Brain Network Changes in Patients Undergoing Deep Brain Stimulation for Essential Tremor

TRaNCE
Start date: March 25, 2024
Phase:
Study type: Observational

The purpose of this study is to collect electrophysiological data related to functional brain network changes in patients undergoing deep brain stimulation for the treatment of essential tremor. Participants will be asked to remain seated with their head inside of a Magnetoencephalography (MEG) recording system as resting-state and task-related data are acquired. Spontaneous electrophysiological activity will be recorded in both the eyes open and eyes closed conditions with the participant seated comfortably. These recordings will be repeated in the DBS OFF and DBS ON states, with the ON state involving specific settings identified as optimal, sub-optimal, or ineffective at achieving tremor control. They will also be repeated following the optional administration non-DBS tremor mitigation techniques, which may include one or more of 1) cooling the limb, 2) oral administration of alprazolam, 3) oral consumption of ethanol (alcohol), or 4) peripheral nerve stimulation.

NCT ID: NCT06235190 Recruiting - Essential Tremor Clinical Trials

Assessment of the Safety and Efficacy of the Felix NeuroAI Wristband in Essential Tremor

TRANQUIL
Start date: February 27, 2024
Phase: N/A
Study type: Interventional

The goal of this clinical study is to compare Felix NeuroAI Wristband and sham device in patients with essential tremor. The main question it aims to answer is: • Is Felix a safe and efficacious treatment for patients with essential tremor? Participants will be treated with either Felix or Sham for a period of up to 90 days. After that, they will be eligible to participate in a long-term, open-label study and be treated with Felix.

NCT ID: NCT06145932 Recruiting - Essential Tremor Clinical Trials

Repetitive Transcranial Magnetic Stimulation Therapy in Essential Tremor

rTMS
Start date: November 7, 2023
Phase: N/A
Study type: Interventional

The purpose of this study is to evaluate the efficacy and electrophysiology of repetitive transcranial magnetic stimulation in the treatment of essential tremor.

NCT ID: NCT06087276 Recruiting - Essential Tremor Clinical Trials

Essential 3 - Decentralized, Phase 3 Study Evaluating the Safety and Efficacy of Ulixacaltamide in Essential Tremor (ET)

Start date: November 2, 2023
Phase: Phase 3
Study type: Interventional

The goal of this clinical study is to compare ulixacaltamide and placebo treatment in essential tremor. The main question it aims to answer is: • Is ulixacaltamide a safe and efficacious treatment for patients with essential tremor? Participants will be asked to participate in one of two clinical studies where they will be treated with either ulixacaltamide or placebo for a period of up to 12 weeks. After the controlled study completion, they will be eligible to participate in a long-term, open-label safety study and be treated with ulixacaltamide.

NCT ID: NCT05968976 Recruiting - Essential Tremor Clinical Trials

Multicentre RCT of Awake Versus Asleep Tractography Based DBS for ET

TREMBLE
Start date: September 1, 2023
Phase: N/A
Study type: Interventional

Rationale: Deep brain stimulation (DBS) of the thalamus is an effective surgical treatment for patients with disabling essential tremor, despite optimal pharmacological treatment. To date, the standard DBS procedure is performed under local anesthesia which is very burdensome for patients. It is now possible to directly visualize the target (motor) area in the thalamus due to advances in modern imaging techniques. DBS surgery could be performed under general anesthesia (asleep). Objective: The primary objective of the study is to determine whether asleep thalamic DBS surgery provides an equal tremor reduction compared to awake thalamic DBS surgery, measured by the clinically validated Essential Tremor Rating Assessment Scale after six months of DBS. Secondary outcomes are: disease related daily functioning, adverse effects, operation time, quality of life, patient satisfaction with treatment outcome and patient evaluation of treatment burden. Study design: The study will be a multicentre prospective randomized open label blinded (PROBE) endpoint trial comparing thalamic DBS under general versus local anesthesia. Study population: A total of 110 patients with disabling essential tremor despite optimal pharmacological treatment will be randomized. Intervention (if applicable): Patients will be randomized for asleep DBS or awake DBS. According to the standard DBS procedure, two brain-electrodes are connected to an implanted neurostimulator, which is placed subcutaneously in the subclavicular area Main study parameter/endpoints: The primary outcome measure is the change in tremor score on the Essential Tremor Rating Assessment Scale after 6 months of thalamic DBS. The secondary outcome measures are the Amsterdam Linear Disability Score for functional health status, Quality of Life in Essential Tremor Questionnaire, patient satisfaction with the treatment, patient evaluation of treatment burden, operating time, hospitalization time, change of tremor medication, side effects and complications. Nature and extent of the burden and risks associated with participation, benefit and group relatedness: Awake DBS at present is very burdensome and by many patients and health care providers considered to be an overly invasive treatment for essential tremor. Through this trial, we aim to investigate whether asleep DBS in essential tremor can become the new treatment standard. This is expected to increase the accessibility for DBS and subsequently would allow more people with essential tremor to be helped, as well as in an earlier stage of their disease than currently; more patients will benefit for a longer time period from DBS. Asleep DBS will have a shorter procedure length. The proposed research project involves treatment options that are standard care in daily practice. The therapies will not be combined with other research products. Both treatments have a low risk of serious complications and a higher risk of minor side effects. Regular follow up will be used. Participation in this study constitutes moderate risk according to NFU criteria for human research.

NCT ID: NCT05965960 Recruiting - Parkinson Disease Clinical Trials

Investigating LFP Correlates of TUS in Patients With Movement Disorders

TUS-LFP
Start date: May 18, 2023
Phase: N/A
Study type: Interventional

Transcranial Ultrasound Stimulation (TUS) is an emerging non-invasive brain stimulation(NIBS) technique that can be used on both superficial and deep brain targets with a high spatial resolution as small as a few cubic millimeters. Neural correlates of TUS have yet been elucidated. To date, no intracranial recordings (i.e., local field potential [LFP]) have been captured during or after TUS in patients with movement disorders. In this study, we are aiming to profile basal ganglia LFP activity during and after TUS by using a DBS system that is capable of recording LFP. This can shed light on mechanisms of TUS, as well as allow identification of a neurophysiological biomarker that can be used to tune the TUS sonication parameters for future clinical trials.

NCT ID: NCT05909839 Recruiting - Essential Tremor Clinical Trials

The STEREO-DBS ET Study: 7-Tesla MRI Brain Network Analysis for Deep Brain Stimulation in Essential Tremor

STEREO-ET
Start date: June 9, 2023
Phase:
Study type: Observational

Rationale: Deep brain stimulation (DBS) of the thalamus is an effective surgical treatment for the patients with advanced essential tremor, despite optimal pharmacological treatment. However, individual improvement after DBS remains variable and 20% of patients experience side effects. To date, DBS-electrode placement and settings in the highly connected thalamus are based on 1,5-Tesla or 3-Tesla MR-images. These low resolution and solely structural modalities are unable to visualize the multiple brain networks to this small nucleus and prevent electrode activation directed at its cortical projections. By using structural 7-Tesla MRI (7T MRI) connectivity to visualize (malfunctioning) brain networks, DBS-electrode placement and activation can be individualized. Objective: Primary objective of the study is to determine whether visualisation of cortical projections originating in the thalamus and the position of the DBS electrode relative to these projections using 7T MRI improves tremor as measured by the clinically validated Essential Tremor Rating Assessment Scale after six months of DBS. Secondary outcomes are: disease related daily functioning, adverse effects, operation time, quality of life, patient satisfaction with treatment outcome and patient evaluation of treatment burden. Study design: The study will be a single center prospective observational study. Study population: Enrollment will be ongoing from June 2023. Intervention (if applicable): No intervention will be applied. Application of 7T MRI for DBS is standard care and outcome scores used will be readily accessible from the already existing advanced electronic DBS database. Main study parameters/endpoints: The primary outcome measure is the change in motor symptoms as measured by the disease-specific Essential Tremor Rating Assessment Scale (TETRAS). This is measured after 6 months of DBS as part of standard care. The secondary outcome measures are the Amsterdam Linear Disability Score for functional health status, Quality of Life in Essential Tremor Questionnaire, patient satisfaction with the treatment, patient evaluation of treatment burden, operating time, hospitalization time, change of tremor medication, side effects and complications. Nature and extent of the burden and risks associated with participation, benefit and group relatedness: The proposed observational research project involves treatment options that are standard care in daily practice. The therapies will not be combined with other research products. Participation in this study constitutes negligible risk according to NFU criteria for human research.

NCT ID: NCT05897775 Recruiting - Essential Tremor Clinical Trials

Coordinated Reset Deep Brain Stimulation for Essential Tremor

Start date: September 11, 2023
Phase: Phase 1
Study type: Interventional

Deep brain stimulation (DBS) is a surgical procedure for the treatment of Essential Tremor (ET). A novel approach to current DBS approaches is called coordinated reset DBS (CR-DBS) which uses different patterns of stimulation at lower currents and can address the limitations of traditional DBS that uses continuous high amplitude, high frequency stimulation. This study will evaluate the feasibility, safety and short-term efficacy of thalamic CR-DBS in upper extremity ET. The goal of this study is to evaluate the safety and short-term efficacy of thalamic CR- DBS in ET, including the acute (during CR-DBS) and carryover (following DBS cessation) effects, and compare these to those induced by clinically optimized T-DBS. To achieve our goal, a low-risk, two-phase clinical study will be conducted in patients with upper extremity (UE) ET. The first aim is to identify the spatial location and peak frequency of tremor related oscillatory activities in VIM (Phase I). The second aim is to compare the acute effects of thalamic CR-DBS to clinically optimized T-DBS (Phase II).