Early research (Phase 1)Study completedNCT01988363What this trial is testingGreater Occipital Nerve Injection StudyWho this might be right forOccipital NeuralgiaCervicogenic Headache Mayo Clinic 15
Not applicableStudy completedNCT02031822What this trial is testingTwo US-guided Techniques for Greater Occipital Nerve BlocksWho this might be right forPrimary Headache University Health Network, Toronto 40
Post-approval studies (Phase 4)Study completedNCT04014634What this trial is testingGON-injection for a Sooner and Better Treatment of Cluster HeadacheWho this might be right forCluster Headache, EpisodicGreater Occipital Nerve Injection Leiden University Medical Center 70
Large-scale testing (Phase 3)Study completedNCT00804895What this trial is testingCluster Headache Cortivazol Injection (CHCI)Who this might be right forCluster Headache Assistance Publique - Hôpitaux de Paris 43
Not applicableStudy completedNCT04505280What this trial is testingGreater Occipital Nerve and Cervical Region Injection in Patients With Trigeminal NeuralgiaWho this might be right forTrigeminal Neuralgia Dr. Lutfi Kirdar Kartal Training and Research Hospital 29
Not applicableLooking for participantsNCT07058636What this trial is testingEfficacy of Adding Greater Occipital Nerve Block to Trigger Point Injection in Patients With Neck PainWho this might be right forNeck PainMyofacial Pain SyndromeTrigger Point Pain, Myofascial+3 more Ankara Etlik City Hospital 60
Not applicableLooking for participantsNCT07347067What this trial is testingClinical Study of Myofascial Trigger Points(MTrPs) Injection in the Treatment of Chronic MigraineWho this might be right forMyofascial Trigger PointsChronic Migraine HeadacheGreater Occipital Nerve Block Beijing Tiantan Hospital 1,036
Large-scale testing (Phase 3)Looking for participantsNCT05324748What this trial is testingRepeated GON Injections in CCHWho this might be right forCluster Headache Leiden University Medical Center 50