Could brain zaps ease stroke pain? oxford trial aims to find out
NCT ID NCT06387914
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether deep brain stimulation (DBS) can safely reduce severe, long-lasting pain after a stroke. Thirty adults with pain that hasn't improved with other treatments will have a DBS device surgically implanted. Over 10 months, researchers will compare different stimulation settings to see if pain scores drop and monitor for side effects.
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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 30 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 2028
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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21 years and older
- 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 A patient will be eligible for inclusion in this trial if all of the following criteria apply: * Willing and able to give informed consent for participation in the trial. * Willing and able to follow pre and post-operative procedures in Oxford. * Aged 21 years or above. * Diagnosed as having central post stroke pain of 2 years' minimum duration refractory to best medical/non-medical treatment * Mean usual VAS (or NRS) pain score \> 6/10 despite input from a multidisciplinary pain team. Exclusion criteria A patient will not be eligible for the trial if any of the following apply: * Contraindication for elective general anaesthesia, for example but not limited to severe cardiovascular disease, hyponatraemia, hyperkalaemia, etc. * Previous implantation of a DBS device with device still in situ. * Contraindication to MRI * Contraindication to neurosurgery, e.g. Bleeding disorders, not able to stop anticoagulation safely for perioperative phase (approx. 10 days, 5 days pre-operatively, 5 days postoperatively) Major psychiatric or cognitive disorder that may affect mental capacity that is untreated or may otherwise affect the participant's ability to engage in the trial * Active skin-based infection or colonisation with a multi-drug resistant organism e.g. methicillin-resistant Staphylococcus aureus (MRSA) * Requires regular MRI investigations post-operatively * Likely to require diathermy, ultrasound or transcranial magnetic stimulation post DBS device insertion * Not tolerant of awake surgery * Unable to cooperate with device recharging * Pregnancy or planned pregnancy * In the investigator's opinion unable to comply with the protocol
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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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John Radcliffe Hospital
RECRUITINGOxford, Oxfordshire, OX3 9DU, United Kingdom
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