Magnetic pulses to the brain may ease stubborn nerve pain
NCT ID NCT05593237
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether repeated magnetic pulses (rTMS) aimed at the brain's motor area can safely reduce chronic nerve pain that hasn't responded to other treatments. About 32 adults with conditions like post-stroke pain, trigeminal neuralgia, or spinal cord injury will receive daily rTMS sessions over two weeks. Researchers will measure pain changes and use brain scans to find better targets for those who don't improve.
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
-
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
-
About 32 people
The number the study aims to enrol. It can still change while the study runs.
- Started
-
Apr 2022
- Expected to finish
-
Dec 2026
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 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: * Meets Criteria for Chronic Neuropathic Pain (NP): 1. "Pain caused by a lesion or disease of the somatosensory nervous system 2. Intractable pain longer than 6 months after pain onset 3. Baseline VAS score 30-94-mm 4. Currently prescribed pain medication for NP, history of prior medication trials without adequate pain control, or refused treatments for individual reasons 5. Continuous pain in face and/or extremities * Age 18-80 * Any gender and all ethnoracial categories * Stable on chronic pain medications for 4 weeks prior to the study and agreeable to continue throughout the study. These medications include: Tricyclic antidepressants (e.g., nortriptyline, amitriptyline), SNRIs (e.g., duloxetine, venlafaxine), gabapentinoids (e.g., gabapentin, pregabalin), antiepileptics (e.g., valproic acid, carbamazepine, lamotrigine), and daily anti-inflammatories (e.g., meloxicam), among others (as determined by study physician at the time of screening). Note: Medications that are known to increase cortical excitability (e.g., buproprion, maprotiline, tricyclic antidepressants, classical antipsychotics) or to have an inhibitory effect on brain excitability (e.g., antiepileptics, benzodiazepines, and atypical antipsychotics), or any other medications with relative hazard for use in TMS will be allowed upon review of medications and/or motor threshold determination by TMS specialist. * Participants may continue to take as-needed pain medications and record daily usage throughout the experiment * Capacity to provide informed consent * Ability to tolerate study procedures * Successfully complete the screening forms without contraindications Exclusion Criteria: * Neurologic: Dementia, Severe neurocognitive disorder (MoCA \< 22), Severe aphasia, Seizure disorder, certain structural brain lesions (e.g., intracranial mass lesions, hydrocephalus, sequelae of meningitis), or complete paralysis at target site * Psychiatric: DSM Axis I disorder, Suicidal thoughts, prior psychosurgery, prior ECT * Procedural: prior rTMS within 1 year of consent, enrollment in other clinical trial in the past 6 months * TMS contraindications: implanted device; presence of metal in the head, including eyes and ears (excluding dental implants); certain tics; medications or systemic illness that predispose seizure risk * Participants with an unstable physical, systemic, or metabolic disorder (e.g., unstable hypertension, cardiac disease) * Females who are pregnant or nursing * Inability to complete the research study
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Chronic neuropathic pain are added.
Genom att skicka in godkänner du våra Användarvillkor
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.
Contacts and locations
Locations
-
UCSF Medical Center
San Francisco, California, 94158, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Zapping nerves without a scalpel: can radiofrequency quiet chronic pain?
- Can simple breathing exercises ease pain after knee replacement surgery?
- Three ways to block hernia surgery pain go head to head
- Could a Patient's playlist take the sting out of nerve testing?
- Serotonin precursor probed for spinal cord injury effects
- Could a small electrical device cut painkiller use after hip surgery?