Eligibility Module

Eligibility Module

The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.

Eligibility Module path is as follows:

Study -> Protocol Section -> Eligibility Module

Eligibility Module


Ignite Creation Date: 2025-12-24 @ 9:58 PM
Ignite Modification Date: 2025-12-24 @ 9:58 PM
NCT ID: NCT04925232
Eligibility Criteria: Inclusion Criteria: * A diagnosis of VS that meets International Headache Society criteria * Able to provide meaningful informed consent * Visual snow must be present for more than three months and must be persistent (i.e. continuous) * A prior clinical Brain MRI with and without contrast done in the past 3 years that does not show signs of clinically significant brain lesions (no evidence of multiple sclerosis, stroke, brain tumor, cortical heterotopia or other cortical developmental abnormalities, arteriovenous malformation, etc…) Exclusion Criteria: * Syndrome meeting criteria for Hallucinogen-persisting perception disorder * Prior treatment with TMS for any disorder * Epilepsy, family history of epilepsy, or personal history of seizure * Any medical condition or medication that increases the risk of seizure * Pacemaker or other implantable medical device * Metal in the skull, not including the mouth * Unstable cardiac, pulmonary, or other systemic illness * Pregnancy * Bipolar disorder * History of suicidality
Healthy Volunteers: True
Sex: ALL
Minimum Age: 19 Years
Maximum Age: 65 Years
Study: NCT04925232
Study Brief:
Protocol Section: NCT04925232