Magnetic pulses to the brain may tame Parkinson's drug side effects
NCT ID NCT06570824
First seen Aug 27, 2026 · Last updated Aug 28, 2026 · Updated 1 time
Summary
This trial tests whether repetitive transcranial magnetic stimulation (rTMS) can reduce or delay the involuntary movements, called dyskinesia, that many Parkinson's patients develop after taking levodopa. Researchers will apply targeted magnetic pulses to a brain region involved in movement planning, the pre-supplementary motor area, in about 68 people with Parkinson's who experience these peak-dose movements. Half will receive real stimulation and half a sham version, allowing a fair comparison of effects on dyskinesia severity and onset time.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Repetitive transcranial magnetic stimulation (rTMS) using a MagVenture device, targeting the pre-supplementary motor area of the brain
- What this could lead to
- If it works, this could offer a non-drug way to ease the involuntary movements that many Parkinson's patients experience when their levodopa medication kicks in.
- What could go wrong
- This is an early-stage trial with a modest number of participants, and the effect may be small or short-lived. Brain stimulation can also cause discomfort or, rarely, seizures.
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
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 68 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2024
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Clinically established or probable PD * Clinical Diagnostic Criteria for Parkinson's Disease * Peak-of-dose levodopa-induced dyskinesia. * Stable antiparkinsonian medicine for at least four weeks. * Signed informed consent. Exclusion Criteria: * Psychiatric disorders. * Usage of antipsychotic medication, Donepezil, and GABAergic medications (such as pregabalin and gabapentin). * Regular usage of benzodiazepines and opioids (more than once per week). * History of neurological disease other than Parkinson's disease. * History of epilepsy/conditions associated with increased risk to seizure-induction through TMS. * Close relatives suffering from epilepsy/conditions associated with increased risk to seizure-induction through TMS. * Contraindications for MRI scan * Female participants of childbearing age must not be pregnant and that they must use contraception during the trial. * Refuse to be informed about new health related information and accidental health related findings that might appear through participation in the study.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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.
Contacts and locations
Locations
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DRCMR
RECRUITINGHvidovre, 2650, Denmark
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