Post-approval studies (Phase 4)Ended earlyNCT00491387What this trial is testingSympathetic Nervous System Modulation in HypertensionWho this might be right forHypertension University of Cincinnati 24
Not applicableLooking for participantsNCT07596823What this trial is testingHematological Indices and Sympathetic Block Response in Neuropathic PainWho this might be right forNeuropathic PainNeuropathic Pain Diagnostic Questionnaire (DN4) ≥ 4 Ankara City Hospital Bilkent 120
Not applicableStudy completedNCT05791045What this trial is testingSingle Lumen Intubation and Heart-Lung Machine (HLM) Mode VentilationWho this might be right forAnesthesia Time Biruni University 135
Not applicableWithdrawnNCT02305992What this trial is testingRegional Anesthesia for Arteriovenous FistulaWho this might be right forArteriovenous Fistula McMaster University
Early research (Phase 1)WithdrawnNCT04770051What this trial is testingPercutaneous Inferior Cervical Sympathetic Block for Treatment of Refractory Ventricular TachycardiaWho this might be right forVentricular Tachycardia University of Missouri-Columbia
Not applicableStudy completedNCT07326436What this trial is testingComparison of Sympathetic Blockade Duration in Brachial Plexus Blocks Performed by Different MethodsWho this might be right forAnesthesia, ConductionBrachial Plexus BlockadeSympathetic Blockade Bozyaka Training and Research Hospital 200
Not applicableUnknownNCT02282618What this trial is testingEffects of Cardiac Sympathetic Blockade in Patients With Chronic Heart FailureWho this might be right forChronic Heart Failure Harbin Medical University 180
Not applicableLooking for participantsNCT07473505What this trial is testingIntegrative Bilateral Cervical Sympathetic Blocks for Trauma-Related Symptoms in Special Operations Veterans: A Prospective Case SeriesWho this might be right forPTSDTrauma-related Mental Health SymptomsMoral Injury+2 more Reset Medical and Wellness Center 75
Early research (Phase 1)WithdrawnNCT03028571What this trial is testingAutonomic Blockade and Endogenous Glucose ProductionWho this might be right forInsulin Resistance Vanderbilt University Medical Center
Not applicableNot Yet RecruitingNCT07577739What this trial is testingNoninvasive CA Monitoring Validation and Autonomic Modulation in Aneurysmal Subarachnoid HemorrhageWho this might be right forSubarachnoid Hemorrhage, AneurysmalDelayed Cerebral IschemiaCerebral Vasospasm+1 more University of Texas Southwestern Medical Center 300
Not applicableNot Yet RecruitingNCT06470581What this trial is testingThoracic Sympathetic Ganglion Block With Botulinum Toxin Type AWho this might be right forComplex Regional Pain Syndromes Seoul National University 78
Not applicableNot Yet RecruitingNCT07087015What this trial is testingEfficacy of Cervical Sympathetic Blocks for PTSDWho this might be right forPTSD Stanford University 20
Not applicableStudy completedNCT07375264What this trial is testingCardiac Sympathetic Denervation in Patients With Refractory Arrhythmic Storm: a Single-center Case SeriesWho this might be right forVentricular ArrhythmiasElectrical StormStellate Ganglion Block Jose Manuel López González 18
Not applicableStudy completedNCT07199816What this trial is testingCaudal Epidural With or Without Lumbar Sympathetic Block for Redo Lumbar SurgeryWho this might be right forFailed Back Surgery Syndrome (FBSS) Hebatullah Mohammed Abdelmageed 64
Not applicableUnknownNCT04167956What this trial is testingClinical Trial of Ultrasound Combined With Computed Tomography Guided Lumbar Sympathetic Ganglion BlockWho this might be right forPain, ChronicSympathetic DisorderUltrasound Therapy Second Affiliated Hospital, School of Medicine, Zhejiang University 246
Not applicableStudy completedNCT03514342What this trial is testingThe Effects of Horner's Syndrome Developing After Interscalene Brachial Plexus Block on Autonomic Nervous ActivityWho this might be right forBrachial Plexus BlockHorner SyndromeAutonomic Imbalance Daegu Catholic University Medical Center 48
Testing effectiveness (Phase 2)Ended earlyNCT00930072What this trial is testingSafety Study of Cervical Sympathetic Block for Cerebral Vasospasm Following Aneurysmal Subarachnoid HemorrhageWho this might be right forVasospasm University of Washington 7
Post-approval studies (Phase 4)Study completedNCT07108881What this trial is testingUltrasound Guided Fluid Loading Before Spinal AnesthesiaWho this might be right forCesarean Section ComplicationsSpinal AnesthesiaHypotension+3 more University Tunis El Manar 116
Not applicableStudy completedNCT06134583What this trial is testingSuperior Cervical Sympathetic Block Versus Stellate Ganglion Block in Post-traumatic Subarachnoid HemorrhageWho this might be right forPost-Traumatic Subarachnoid Hemorrhage Assiut University 60
Not applicableLooking for participantsNCT07548567What this trial is testingA Long Axis Approach to the Femoral Artery Block (FAB) for Managing Tourniquet Pain and Hypertension in Below-the-Knee Fracture SurgeryWho this might be right forTourniquet Hypertension National and Kapodistrian University of Athens 84