Status:

UNKNOWN

Transcranial Ultrasound Therapy of Essential Tremor

Lead Sponsor:

Assistance Publique - Hôpitaux de Paris

Conditions:

Essential Tremor

Eligibility:

All Genders

18-80 years

Phase:

NA

Brief Summary

Context. Essential tremor (ET) is a common disease, disabling in severe forms and resistant to drug treatment. In patients with severe ET, invasive neurosurgical technique such as deep brain stimulati...

Detailed Description

Context: Essential tremor (ET) is the most common movement disorder, with a prevalence of 1-4% of the general population. ET is characterized by a rapid (6 and 12 Hz) attitude tremor with rhythmic os...

Eligibility Criteria

Inclusion

  • Inclusion Criteria:
  • Men and women, aged 18 to 80
  • Diagnosis of essential tremor according to the criteria of the Consensus Statement of the Movement Disorders Society (MDS)
  • Patients with significant disability related to their essential Tremor, despite well-conducted medical treatment
  • Stable essential tremor drug therapy for at least 30 days prior to inclusion
  • Contraindication or refusal or preference of deep brain stimulation
  • Patient receiving Social Security or Universal Medical Coverage or any equivalent plan
  • Person who voluntarily and knowingly agreed to participate in the study (signing of a written consent)
  • Exclusion criteria :
  • Inability to stop anticoagulant or antiplatelet therapy or any other medication that may increase the risk of bleeding during the 2 weeks prior to the procedure
  • Current state of health causing bleeding and / or abnormal coagulopathy
  • Unstable cardiac pathology or severe hypertension that cannot be controlled by medication (diastolic blood pressure\> 100 with drugs).
  • Active epilepsy in the year preceding the inclusion
  • Contraindications to magnetic resonance imaging such as non-compatible implanted metal devices (including pacemakers), size limits, etc. including presence of implants in the brain or skull)
  • Known hypersensitivity to local anesthetics (Xylocaine 20mg / ml)
  • Important claustrophobia that cannot be managed with mild medication
  • Inability to maintain prolonged stationary supine position necessary for treatment (3-4 hours)
  • Woman of childbearing age without means of contraception
  • Pregnant or lactating woman
  • Major persons subject to a measure of legal protection (guardianship, curators or under the protection of justice)
  • Subject in exclusion period of another biomedical research or participating in any other biomedical stimulation or therapeutic trial
  • Patients under AME (state medical aid) (except if exemption from affiliation)
  • Patient cannot communicate with the doctor during the treatment procedure
  • Subjects with behavior compatible with the abuse of ethanol or psychoactive substances
  • Progressive neurological pathology other than TE, stroke or cerebral hemorrhage \< 6 months, multiple stroke ATCD, brain tumor or intracranial aneurysm
  • Patients who have taken in the last 6 months drugs lowering the epileptogenic threshold significantly (CNS stimulants, sympathomimetics, neuroleptics, imipraminic antidepressants, amantadine, fampridine, fluoroquinolones, mefloquine)
  • Significant healing in an area on the path of the planned energy path to the treatment area
  • Recourse to neurosurgical treatments for essential tremor (deep brain stimulation or gamma knife

Exclusion

    Key Trial Info

    Start Date :

    January 7 2020

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    October 4 2024

    Estimated Enrollment :

    15 Patients enrolled

    Trial Details

    Trial ID

    NCT04074031

    Start Date

    January 7 2020

    End Date

    October 4 2024

    Last Update

    January 25 2024

    Active Locations (1)

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    Page 1 of 1 (1 locations)

    1

    Hôpital Pitié Salpétrière

    Paris, France, 75013