| NCT Number | NCT07000409 |
| Lead Sponsor | Cairo University |
| Conditions | Postherpetic Neuralgia, Chronic Pain, Ultrasound Guidance, Erector Spinae Plane Block, Betamethasone |
| Enrollment | 40 participants |
| Start Date | 2025-05-01 |
| Primary Completion | 2025-12-30 (estimated) |
| Study Completion | 2025-12-30 (estimated) |
| Updated on ClinicalTrials.gov | 2025-06-05 |