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ClinicalTrials.gov public records Last synced Oct 6, 2026, 2:06 AM EDT

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Showing 49–72 of 115 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Synovial Cyst Clear all
Recruiting Phase 4 Interventional

Intranasal Sphenopalatine Ganglion Blockade for Headaches Following Aneurysmal Subarachnoid Hemorrhage

NCT07116408
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage (aSAH), Headache
Interventions
Lidocaine (drug), Tx 360
Drug · Device
Lead sponsor
Wright State University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 6, 2026, 2:06 AM EDT
Recruiting Early Phase 1 Interventional

Evaluating The Efficacy Of Combined Cognitive Processing Therapy and Stellate Ganglion Blocks for PTSD

NCT06570213
View directory record Official record
Conditions
PTSD
Interventions
Cognitive Processing Therapy, Stellate Ganglion Block
Behavioral · Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 6, 2026, 2:06 AM EDT
Completed Not applicable Interventional Results available

A Safety and Effectiveness Trial of Spinal Cord Stimulation of the Dorsal Root Ganglion for Chronic Lower Limb Pain

NCT01923285
View directory record Official record
Conditions
Chronic Lower Limb Pain
Interventions
AXIUM Neurostimulator System, Control Spinal Cord Stimulation Device
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
22 Years to 75 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
22
States / cities
Phoenix, Arizona • Aptos, California • Carlsbad, California + 19 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2020 · Synced Oct 6, 2026, 2:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Sphenopalatine Ganglion Block Study

NCT05707754
View directory record Official record
Conditions
Sphenopalatine Ganglion Nerve Block
Interventions
Bupivacaine, angiocatheter
Drug · Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 6, 2026, 2:06 AM EDT
Completed No phase listed Observational Results available

TARGET Post-Approval Study

NCT02800863
View directory record Official record
Conditions
Complex Regional Pain Syndrome (CRPS)
Interventions
Dorsal Root Ganglion (DRG) Stimulation (Axium™ Neurostimulator System), Dorsal Root Ganglion (DRG) Stimulation (Proclaim™ Neurostimulator System)
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
22 Years to 75 Years
Enrollment
426 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
44
States / cities
Scottsdale, Arizona • Camarillo, California • Larkspur, California + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2024 · Synced Oct 6, 2026, 2:06 AM EDT
Recruiting Not applicable Interventional

Ganglion Impar Neurolysis for the Improvement of Radiation-Induced Pain During Localized Anal or Perianal Skin Cancer Treatment

NCT07112690
View directory record Official record
Conditions
Localized Anal Carcinoma, Localized Anal Margin Carcinoma, Stage 0 Anal Cancer AJCC v8, Stage I Anal Cancer AJCC v8, Stage II Anal Cancer AJCC v8, Stage IIIB Anal Cancer AJCC v8
Interventions
Electronic Health Record Review, Fluoroscopy, Ganglion Impar Neurolysis, Questionnaire Administration
Other · Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 30, 2026 · Synced Oct 6, 2026, 2:06 AM EDT
Completed Early Phase 1 Interventional

A Pilot Study of SPG Block for PTSD

NCT05743543
View directory record Official record
Conditions
Post Traumatic Stress Disorder
Interventions
Sphenopalatine ganglion block
Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 16, 2024 · Synced Oct 6, 2026, 2:06 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Stop Retinal Ganglion Cell Dysfunction Study

NCT02390284
View directory record Official record
Conditions
Glaucoma
Interventions
Latanoprost, Bimatoprost, Travoprost, Timolol, Dorzolamide, Brinzolamide, Acetazolamide, Methazolamide
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 85 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2024
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Oct 6, 2026, 2:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study of Stellate Ganglion Injection to Provide Relief From Hot Flushes

NCT00992914
View directory record Official record
Conditions
Hot Flashes, Menopause
Interventions
Sympathetic nerve block with 1% lidocaine 1-2 ml, Superficial subcutaneous injection
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
30 Years to 65 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 10, 2019 · Synced Oct 6, 2026, 2:06 AM EDT
Completed No phase listed Observational

Macular Ganglion Cell Analysis (GCA) of the Cirrus HD-OCT in Glaucoma

NCT01272102
View directory record Official record
Conditions
Glaucoma
Interventions
Not listed
Lead sponsor
Carl Zeiss Meditec, Inc.
Industry
Eligibility
40 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
4
States / cities
Palo Alto, California • Miami, Florida • Dallas, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2013 · Synced Oct 6, 2026, 2:06 AM EDT
Recruiting No phase listed Observational

The Effects of Stellate Ganglion Block Sleep in U.S. Active Duty Service Members and Veterans Receiving Prolonged Exposure Therapy for PTSD

NCT07667309
View directory record Official record
Conditions
Post Traumatic Stress Disorder PTSD
Interventions
Sleep Profiler Headband
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Killeen, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 6, 2026, 2:06 AM EDT
Completed Phase 1 Interventional

Sphenopalatine Ganglion Block to Treat Shoulder Pain After Thoracotomy

NCT02733393
View directory record Official record
Conditions
Ipsilateral Shoulder Pain
Interventions
Sphenopalatine Ganglion (SPG) Block, lidocaine
Procedure · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 2, 2017 · Synced Oct 6, 2026, 2:06 AM EDT
Recruiting Phase 4 Interventional

Stellate Ganglion Block

NCT06271707
View directory record Official record
Conditions
Esophagectomy, Pneumonectomy, Lobectomy
Interventions
0.5% bupivacaine, Saline
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 85 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 6, 2026, 2:06 AM EDT
Not listed No phase listed Observational

Chromatic Pupillometry to Assess the Melanopsin-Light Pathway in Progressive Supranuclear Palsy

NCT03330353
View directory record Official record
Conditions
PSP - Progressive Supranuclear Palsy, PD - Parkinson's Disease, AD - Alzheimer's Disease, ALS (Amyotrophic Lateral Sclerosis)
Interventions
Pupillometry
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
55 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 7, 2017 · Synced Oct 6, 2026, 2:06 AM EDT
Not yet recruiting Not applicable Interventional

Ultrasound Guided Stellate Ganglion Block in Postural Tachycardia Syndrome

NCT06953661
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Stellate ganglion block, Sham injection of saline, Ropivacaine, Normal saline
Procedure · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Oct 6, 2026, 2:06 AM EDT
Recruiting Phase 2 Interventional

Sleep, Diabetic Retinopathy and Melatonin

NCT04547439
View directory record Official record
Conditions
Diabetes Mellitus, Diabetic Retinopathy
Interventions
Melatonin, Placebo
Drug · Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
40 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 6, 2026, 2:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Osteopathic Manipulative Medicine on the Autonomic Nervous System

NCT02193373
View directory record Official record
Conditions
Osteopathic Manual Manipulation of Neurovascular Regulation
Interventions
Osteopathic Manual Medicine, Sham
Other
Lead sponsor
New York Institute of Technology
Other
Eligibility
20 Years to 50 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Old Westbury, New York
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 6, 2026, 2:06 AM EDT
Withdrawn Phase 4 Interventional

Study to Evaluate the Effectiveness of SGB in Preventing Post-op Atrial Fibrillation

NCT03269383
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Bupivacaine, Saline
Drug · Other
Lead sponsor
Christopher Connors, MD
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 6, 2026, 2:06 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Sphenopalatine Ganglion Block and Cold Induced Headaches

NCT06310200
View directory record Official record
Conditions
Cold Induced Headache, Brain Freeze, Cold Induced Cephalgia, Headache
Interventions
Lidocaine Topical 4% Topical Solution, Bitrex, normal saline
Drug
Lead sponsor
Wright State University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 31, 2025 · Synced Oct 6, 2026, 2:06 AM EDT
Completed Phase 4 Interventional Results available

Sphenopalatine Ganglion Blocks RCT

NCT03666663
View directory record Official record
Conditions
Migraine
Interventions
Lidocaine, Bupivacaine, Ropivacaine, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 11, 2021 · Synced Oct 6, 2026, 2:06 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Augmenting Massed Prolonged Exposure With a Stellate Ganglion Block to Treat PTSD

NCT04302181
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic
Interventions
Ropivacaine injection
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Fort Sam Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2022 · Synced Oct 6, 2026, 2:06 AM EDT
Active, not recruiting Phase 4 Interventional

Effects of Stellate Ganglion Block in Post-traumatic Stress Disorder

NCT05391971
View directory record Official record
Conditions
Post Traumatic Stress Disorder
Interventions
Bupivacaine, Saline
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 6, 2026, 2:06 AM EDT
Terminated Not applicable Interventional Results available

Thin Film Spectacle Coatings to Reduce Light Sensitivity and Headaches in Child and Adolescent Patients With Migraine

NCT01942486
View directory record Official record
Conditions
Migraine Disorders, Photophobia
Interventions
Investigational Coating
Device
Lead sponsor
University of Utah
Other
Eligibility
7 Years to 18 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Oct 6, 2026, 2:06 AM EDT
Terminated Not applicable Interventional

Stellate Ganglion Block in Head and Neck Cancer Surgery

NCT03714906
View directory record Official record
Conditions
Head and Neck Cancer, Pain, Postoperative
Interventions
Stellate ganglion block
Procedure
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Oct 6, 2026, 2:06 AM EDT