Geneva, Aug. 31 -- International Clinical Trials Registry received information related to the study (NCT07780136) titled 'Comparison of the Effectiveness of Greater Occipital Nerve and Supratrochlear Nerve Pulsed Radiofrequency Versus Botulinum Toxin Type A Injection in Chronic Migraine' on Aug. 19.

Study Type: Interventional

Study Design: Allocation: Randomized. Intervention model: Parallel Assignment. Primary purpose: Treatment. Masking: Single (Outcomes Assessor).

Primary Sponsor: Assiut University

Condition: Chronic Migraine Headache

Intervention: Procedure: Ultrasound-guided pulsed radiofrequency (PRF)

Recruitment Status: Not recruiting

Phase: Phase 4

Date of First Enrollment: October 2026

Target Sample Size: 70

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