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Showing 1–24 of 65 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Reflex Sympathetic Dystrophy Clear all
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 7, 2024 · Synced Jul 22, 2026, 2:03 AM EDT
Not listed Not applicable Interventional

rTMS and Rehabilitation for Individuals With CRPS Type 1

NCT05745025
View directory record Official record
Conditions
Complex Regional Pain Syndrome Type I
Interventions
Repeated Transcranial Magnetic Stimulation, Sham Repeated Transcranial Magnetic Stimulation, Rehabilitation
Device · Other
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Jul 22, 2026, 2:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Positron Emission Tomography to Measure Pain and Pain Control

NCT00001307
View directory record Official record
Conditions
Healthy, Hyperalgesia, Pain, Peripheral Nervous System Disease
Interventions
Oxygen-15 Water, Capsaicin
Drug
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
Not listed
Enrollment
273 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 22, 2026, 2:03 AM EDT
Completed Not applicable Interventional

Effects of Spinal Cord Stimulation on Sensory Perceptions of Chronic Pain Patients

NCT02837822
View directory record Official record
Conditions
Chronic Pain, Complex Regional Pain Syndrome, Failed Back Surgery Syndrome
Interventions
Spinal cord stimulator, Implantation of a spinal cord stimulator
Device · Procedure
Lead sponsor
CHU de Quebec-Universite Laval
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Jul 22, 2026, 2:03 AM EDT
Completed Not applicable Interventional Results available

Transcranial Magnetic Stimulation (TMS) for CRPS

NCT02067273
View directory record Official record
Conditions
Complex Regional Pain Syndrome (CRPS)
Interventions
Transcranial Magnetic Stimulation (TMS)
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Jul 22, 2026, 2:03 AM EDT
Terminated Phase 2 Interventional Results available

Study to Evaluate the Efficacy and Safety of Lenalidomide in the Treatment of Complex Regional Pain Syndrome Type 1

NCT00109772
View directory record Official record
Conditions
Complex Regional Pain Syndrome, Type I
Interventions
lenalidomide, Placebo
Drug
Lead sponsor
Celgene Corporation
Industry
Eligibility
18 Years and older
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
27
States / cities
Peoria, Arizona • La Jolla, California • Loma Linda, California + 23 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2013 · Synced Jul 22, 2026, 2:03 AM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety of Intravenous Neridronic Acid in Complex Regional Pain Syndrome (CRPS)

NCT03560986
View directory record Official record
Conditions
Complex Regional Pain Syndrome (CRPS)
Interventions
Neridronic acid 100 mg, Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
41
States / cities
Cottonwood, Arizona • Tempe, Arizona • Tucson, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2020 · Synced Jul 22, 2026, 2:03 AM EDT
Completed Phase 4 Interventional

Restore Claims Characterization Study

NCT00200122
View directory record Official record
Conditions
Chronic Refractory Pain Associated With Failed Back Surgery Syndrome, Epidural Fibrosis, Peripheral Causalgia, Complex Regional Pain Syndrome
Interventions
Spinal Cord Stimulation
Device
Lead sponsor
MedtronicNeuro
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
8
States / cities
Chicago, Illinois • Indianapolis, Indiana • Kansas City, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Jul 22, 2026, 2:03 AM EDT
Enrolling by invitation Phase 4 Interventional

Low Dose Naltrexone Therapy for Complex Regional Pain Syndrome

NCT06306157
View directory record Official record
Conditions
Complex Regional Pain Syndrome, Chronic Pain, Causalgia, Complex Regional Pain Syndrome Type I, Complex Regional Pain Syndrome Type II
Interventions
Low dose naltrexone, Placebo sugar capsules
Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Jul 22, 2026, 2:03 AM EDT
Withdrawn Phase 2 Interventional

Ketamine and Midazolam Infusions for CRPS: Feasibility Study

NCT05945147
View directory record Official record
Conditions
Complex Regional Pain Syndromes
Interventions
Ketamine, Midazolam, Normal Saline
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2099
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Jul 22, 2026, 2:03 AM EDT
Recruiting Not applicable Interventional

Closed Loop Spinal Cord Stimulation for Complex Regional Pain Syndrome

NCT06421350
View directory record Official record
Conditions
Complex Regional Pain Syndromes
Interventions
Spinal Cord Stimulation Device
Device
Lead sponsor
Scripps Health
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Nov 2, 2025 · Synced Jul 22, 2026, 2:03 AM EDT
Terminated Not applicable Interventional Results available

Treatment of Complex Regional Pain Syndrome With Once Daily Gastric-Retentive Gabapentin (Gralise)

NCT01623271
View directory record Official record
Conditions
Complex Regional Pain Syndrome I (CRPS I)
Interventions
Gabapentin
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2020 · Synced Jul 22, 2026, 2:03 AM EDT
Recruiting Phase 3 Interventional

Evaluation of IV AMBTX-01 (Neridronate) for Treatment of CRPS Type 1 (CRPS-RISE)

NCT07210515
View directory record Official record
Conditions
Complex Regional Pain Syndrome Type I
Interventions
Neridronate, Placebo
Drug
Lead sponsor
Ambros Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
19
States / cities
Phoenix, Arizona • Tucson, Arizona • Napa, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Jul 22, 2026, 2:03 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Long-Term Safety of Hydrocodone Bitartrate Extended-Release Tablets (CEP-33237) in Patients Who Require Opioid Treatment for an Extended Period of Time

NCT01223365
View directory record Official record
Conditions
Chronic Pain
Interventions
Hydrocodone ER
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
54
States / cities
Mobile, Alabama • Anaheim, California • Beverly Hills, California + 46 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2017 · Synced Jul 22, 2026, 2:03 AM EDT
Terminated Not applicable Interventional Results available

Use of Compression Glove to Prevent Complications After Distal Radius Fractures: a Randomized Controlled Trial

NCT01118715
View directory record Official record
Conditions
Post-traumatic Carpal Tunnel Syndrome, Complex Regional Pain Syndrome, Edema
Interventions
Compression glove
Device
Lead sponsor
J&M Shuler
Industry
Eligibility
18 Years to 85 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Jul 22, 2026, 2:03 AM EDT
Completed Not applicable Interventional

Using Immersive Virtual Reality to Treat Complex Regional Pain Syndrome in Adults

NCT05888142
View directory record Official record
Conditions
Pain, Chronic
Interventions
in clinic pain VR reduction exercises, In clinic VRpain reduction exercises + VR homeworks
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 85 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Jul 22, 2026, 2:03 AM EDT
Completed Phase 3 Interventional

A Study of the Effect of Lenalidamide on Complex Regional Pain Syndrome Type 1

NCT00166452
View directory record Official record
Conditions
Complex Regional Pain Syndrome, Type 1
Interventions
Lenalidamide
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 22, 2011 · Synced Jul 22, 2026, 2:03 AM EDT
Completed No phase listed Observational

Spinal Cord Stimulation and Functional MRI

NCT01512121
View directory record Official record
Conditions
Complex Regional Pain Syndrome (CRPS), Neuropathic Leg Pain
Interventions
Not listed
Lead sponsor
Vibhor Krishna
Other
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 22, 2019 · Synced Jul 22, 2026, 2:03 AM EDT
Completed No phase listed Observational

Forward Looking InfraRed Imaging and Severity Score in Complex Regional Pain Syndrome

NCT05852210
View directory record Official record
Conditions
CRPS (Complex Regional Pain Syndromes)
Interventions
Infrared Imaging
Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 22, 2026, 2:03 AM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

"Efficacy of Botulinum Toxin Injection in Reducing Limb Pain in Patients With Complex Regional Pain Syndrome"

NCT03616262
View directory record Official record
Conditions
Complex Regional Pain Syndrome
Interventions
Botox + Lidocaine, Lidocaine alone
Drug
Lead sponsor
VA Connecticut Healthcare System
Federal
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 5, 2018 · Synced Jul 22, 2026, 2:03 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Adipose Stem/Stromal Cells in RSD, CRPS, Fibromyalgia

NCT02987855
View directory record Official record
Conditions
RSD (Reflex Sympathetic Dystrophy), CRPS - Complex Regional Pain Syndrome Type I, Fibromyalgia
Interventions
Lipoaspiration, ADcSVF isolation, Normal Saline IV
Procedure
Lead sponsor
Healeon Medical Inc
Industry
Eligibility
16 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Stevensville, Montana
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced Jul 22, 2026, 2:03 AM EDT
Completed Phase 4 Interventional

A Study Of Lidocaine Patch 5% Alone, Gabapentin Alone, And Lidocaine Patch 5% And Gabapentin In Combination For The Relief Of Pain In Patients With Diverse Peripheral Neuropathic Pain Conditions

NCT00904202
View directory record Official record
Conditions
Postherpetic Neuralgia, Diabetic Neuropathy, Complex Regional Pain Syndrome, Carpal Tunnel Syndrome, HIV Neuropathy, Idiopathic Sensory Neuropathy, Peripheral Neuropathy
Interventions
Placebo Capsules + Placebo Patch, Placebo capsules + Lidoderm®, Gabapentin + Placebo, Gabapentin + Lidoderm®, Gabapentin 300 mg capsules 1800 mg/day + placebo patch, Gabapentin 1800 mg/day + Lidoderm patch
Drug
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
7
States / cities
Birmingham, Alabama • Hueytown, Alabama • Phoenix, Arizona + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 1, 2024 · Synced Jul 22, 2026, 2:03 AM EDT
Completed No phase listed Observational

Association Between Focal Dystonia and Complex Regional Pain Syndrome

NCT00595439
View directory record Official record
Conditions
Focal Dystonia, Peripheral Nervous System Disease
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 80 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 2:03 AM EDT
Withdrawn No phase listed Observational

Predicting Pain Exacerbations in Children With Complex Regional Pain Syndrome (CRPS)

NCT06337526
View directory record Official record
Conditions
Complex Regional Pain Syndromes
Interventions
Apple Watch v8
Device
Lead sponsor
Stanford University
Other
Eligibility
8 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jul 22, 2026, 2:03 AM EDT