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:
2025-12-25 @ 1:46 AM
Ignite Modification Date:
2025-12-25 @ 1:46 AM
NCT ID:
NCT00203294
Eligibility Criteria:
Inclusion Criteria:
* Adult patients, age 18-65 inclusive
* Patients who have chronic daily headache (15 or more headache days per month) for at least 3 months prior to enrollment in the study.
* Headache level should be 5/10 or more at time of GON block.
* Patients should have posterior cervical muscle tenderness at time of nerve block.
Exclusion Criteria:
* Patients who had surgery or any other invasive procedure in the occipital area.
* Patients with abnormal sensory findings on examination or any known neurological disease that may affect skin sensation (peripheral neuropathy, multiple sclerosis, stroke, etc).
* Patients diagnosed with cluster headache
* Patients with skin diseases that may affect skin sensation.
* Patients who are cognitively impaired.
* Patients with significant psychiatric disorder that may affect their understanding of the study protocol and/or their cooperation with the investigators.
* Patients who are pregnant or breast-feeding.
Healthy Volunteers:
False
Sex:
ALL
Minimum Age:
18 Years
Maximum Age:
65 Years
Study:
NCT00203294
Study Brief:
Protocol Section:
NCT00203294