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Sound waves calm shaky hands in new trial

NCT ID NCT07484152

Symptom relief Sponsor: University of Sao Paulo General Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests if low-intensity focused ultrasound (LIFU) can safely reduce tremors and improve quality of life in people with essential tremor. Twenty adults with hard-to-treat tremors will receive both real LIFU and a fake (sham) treatment in separate sessions to compare effects. The goal is to see if this non-invasive, reversible method can ease symptoms without surgery or permanent changes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Dec 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Diagnosis of essencial Tremor. 2. Presence of clinically relevant tremor despite optimized pharmacological treatment.3. Age 18-80 years.4. Ability and willingness to provide written informed consent.5. Availability to attend all scheduled study visits at HC-FMUSP.6. Availability of a brain MRI suitable for neuronavigation planning Exclusion Criteria: \- 1. Dementia syndrome or severe cognitive impairment precluding informed consent or reliable clinical assessment. 2\. Uncontrolled psychiatric disorders.3. Alcohol or illicit substance dependence.4. Use of stimulants or medications that lower seizure threshold.5. History of epileptic seizures within the last 6 months.6. Hospitalization or surgery within the last 6 months.7. Presence of implanted metallic or electronic devices in the cranium or spine that are contraindicated for focused ultrasound procedures (e.g., deep brain stimulator, cochlear implant, cardiac pacemaker, metal plates or wires).8. History of brain surgery or traumatic brain injury.9. Skull defects, craniotomy, or significant calvarial irregularities that preclude safe ultrasound delivery.10. Pregnancy or breastfeeding.11. Social impossibility of follow-up attendance.

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Conditions

The condition(s) this trial relates to.

essential tremor

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Essential tremor (ET)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

More trials for these conditions

Other studies related to the condition(s) this trial covers.