| NCT Number | NCT07487649 |
| Lead Sponsor | Sultan 1. Murat State Hospital |
| Conditions | Medication-overuse Headache, Treatment, Headache, Greater Occipital Nerve Block |
| Enrollment | 70 participants |
| Start Date | 2026-03-17 |
| Primary Completion | 2026-05-30 (estimated) |
| Study Completion | 2026-05-30 (estimated) |
| Updated on ClinicalTrials.gov | 2026-03-23 |