Could magnetic pulses to the brain ease IBS pain?
NCT ID NCT07345377
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study explores whether individualized transcranial magnetic stimulation (TMS) can improve symptoms in adults with irritable bowel syndrome (IBS). Participants receive 10 TMS sessions over two weeks, with brain scans and stool tests before and after to understand how the treatment affects brain-gut connections. The goal is to see if this non-invasive approach reduces pain and discomfort, and whether tests can predict who will benefit.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- individualized transcranial magnetic stimulation (TMS)
- What this could lead to
- If it works, this could point toward a non-invasive, drug-free treatment for irritable bowel syndrome that targets brain-gut connections.
- What could go wrong
- This is an early exploratory study with no control group, so results may not prove effectiveness. TMS is generally safe but can cause mild scalp discomfort or headache.
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 160 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2022
- 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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18 to 75 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: * Meets the Rome IV diagnostic criteria for Irritable Bowel Syndrome (IBS); * Has discontinued IBS-related medications for more than 2 weeks prior to enrollment; * Aged between 18 and 75 years (inclusive); * Has sufficient cognitive ability to provide informed consent, understand study instructions, and complete questionnaires. Exclusion Criteria: * Has contraindications to MRI (e.g., metal implants in the body, claustrophobia) or TMS (e.g., history of epilepsy, skull defects); * Diagnosed with mental illnesses (e.g., schizophrenia, bipolar disorder) that require ongoing medication or psychotherapy; * Women who are pregnant, breastfeeding, or planning to become pregnant during the study period; * Presents signs of severe illness requiring hospitalization (e.g., hemodynamic instability, acute infection, acute myocardial infarction, cerebral infarction); * Has taken any substances that may affect study indicators (e.g., probiotics, prebiotics) within 3 months prior to enrollment.
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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
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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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The affiliated hospital of Hangzhou Normal University
Hangzhou, Zhejiang, 310015, China
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