Comparing Unilateral and Bilateral Proximal GONPRF in Migraine Treatment

Inclusion Criteria: * Age between 18 and 65 years * Followed at the Algology outpatient clinic of Ankara Bilkent City Hospital * Diagnosis of episodic migraine (≥5 attacks per month) or chronic migraine according to ICHD-3 criteria * Inadequate response to migraine preventive medications * Not currently using preventive migraine medication OR no change in medication and/or dosage within the last 3 months * No bleeding or coagulation disorders * No active infection * Not pregnant and not suspected of pregnancy * No history of craniocervical surgery affecting the intervention area * Able to understand the study and provide written informed consent * Able to comply with study procedures and follow-up Exclusion Criteria: * Diagnosis of primary headache other than migraine according to ICHD-3 criteria * Fewer than 5 migraine attacks per month * Headache secondary to comorbid conditions (e.g., uncontrolled hypertension, intracranial lesions) * Interventional migraine treatment within 3 months prior to GON-PRF * Botulinum toxin injection within 3 months prior to GON-PRF * Non-pharmacological migraine treatment (e.g., acupuncture, physical therapy, ozone therapy, cognitive behavioral therapy) within 3 months prior to GON-PRF * Withdrawal of consent at any stage of the study * Failure to attend follow-up visits * Development of any condition that meets exclusion criteria during the study