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Intra-Arterial Sphenopalatine Ganglion Block for Patients With Refractory Headache

The purpose of this study is to evaluate the safety and efficacy of intra-arterial (IA) delivery of Dexamethasone and Ketorolac into the arteries supplying the sphenopalatine ganglion (SPG) in patients with refractory migraine, cluster headache and trigeminal neuralgia. All patients must fail standard treatments prior to enrollment in the trial. Read the details

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