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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Reflex Sympathetic Dystrophy Clear all
Completed Not applicable Interventional Results available

Effects of Pennsaid on Clinical Neuropathic Pain

NCT01508676
View directory record Official record
Conditions
Neuralgia, Postherpetic Neuralgia, Reflex Sympathetic Dystrophy, Complex Regional Pain Syndrome (CRPS)
Interventions
Pennsaid, Placebo (2.3% DMSO solution)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 5, 2017 · Synced Jul 22, 2026, 7:01 AM EDT
Completed Phase 3 Interventional Results available

Safety of Intravenous Neridronic Acid in CRPS

NCT02972359
View directory record Official record
Conditions
Complex Regional Pain Syndrome
Interventions
Neridronic acid
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years and older
Enrollment
580 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
42
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 35 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2019 · Synced Jul 22, 2026, 7:01 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

[18F]FTC-146 PET/MRI in Healthy Volunteers and in CRPS and Sciatica

NCT02753101
View directory record Official record
Conditions
Complex Regional Pain Syndrome, Sciatica
Interventions
[18F]-FTC-146
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 4, 2018 · Synced Jul 22, 2026, 7:01 AM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety of Intravenous Neridronic Acid in CRPS

NCT03530345
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
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
39
States / cities
Huntsville, Alabama • Mobile, Alabama • Peoria, Arizona + 35 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2020 · Synced Jul 22, 2026, 7:01 AM EDT
Terminated No phase listed Observational Results available

Comparison of Dorsal Column Stimulation to Dorsal Root Ganglion Stimulation for Complex Regional Pain Syndrome

NCT03794024
View directory record Official record
Conditions
Complex Regional Pain Syndrome
Interventions
The Nuvectra Algovita Dorsal Column Spinal Cord Stimulator, The Axium Neurostimulator System
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
1 participant
Timeline
2019 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 26, 2023 · Synced Jul 22, 2026, 7:01 AM EDT
Terminated Phase 1 Interventional

Motor Cortex Stimulation for the Treatment of Chronic Facial, Upper Extremity, and Throat Pain.

NCT02321566
View directory record Official record
Conditions
Trigeminal Neuralgia (Burchiel Type I), Trigeminal Neuralgia (Burchiel Type II), Trigeminal Neuropathic Pain, Trigeminal Deafferentation Pain, Complex Regional Pain Syndrome (Types I and II, Involving the Upper Extremity), Glossopharyngeal Neuralgia, Upper Extremity Pain Due to Deafferentation of the Cervical Spine, Central Pain Syndromes
Interventions
Epidural Motor Cortex Stimulation
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 17, 2019 · Synced Jul 22, 2026, 7:01 AM EDT
Completed No phase listed Observational

Susceptibility to Chronic Post-Traumatic Extremity Pain

NCT00672711
View directory record Official record
Conditions
Chronic Pain
Interventions
Not listed
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
2
States / cities
Royal Oak, Michigan • Troy, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Jul 22, 2026, 7:01 AM EDT
Recruiting No phase listed Observational

Infrared Images for Spinal Cord Stimulation in Complex Regional Pain Syndrome Patients

NCT05777889
View directory record Official record
Conditions
Complex Regional Pain Syndromes
Interventions
Forward Looking InfraRed Camera
Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Jul 22, 2026, 7:01 AM EDT
Not listed Phase 3 Interventional

CREATE-1: A Study to Assess the Efficacy and Safety of AXS-02 in Patients With CRPS-1

NCT02504008
View directory record Official record
Conditions
Complex Regional Pain Syndrome, Reflex Sympathetic Dystrophy
Interventions
AXS-02 (oral zoledronate), Placebo
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
29
States / cities
Tucson, Arizona • Hot Springs, Arkansas • Encinitas, California + 26 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced Jul 22, 2026, 7:01 AM EDT
Recruiting Phase 1 Interventional

The Effects and Mechanisms of a High CBD Cannabis Extract (BRC-002) for the Treatment of Pain and Health in Complex Regional Pain Syndrome

NCT06393101
View directory record Official record
Conditions
Complex Regional Pain Syndrome
Interventions
BRC-002, BRC-002 Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
La Jolla, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Jul 22, 2026, 7:01 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Role of the Gut Microbiome in Complex Regional Pain Syndrome

NCT03612193
View directory record Official record
Conditions
Complex Regional Pain Syndromes
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Jul 22, 2026, 7:01 AM EDT
Completed Phase 2 Interventional

A Study of CC-5013 in the Treatment of Complex Regional Pain Syndrome (CRPS)

NCT00067743
View directory record Official record
Conditions
Complex Regional Pain Syndrome (RSD)
Interventions
Lenalidomide
Drug
Lead sponsor
Celgene Corporation
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
6
States / cities
La Jolla, California • Baltimore, Maryland • Chapel Hill, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2008 · Synced Jul 22, 2026, 7:01 AM EDT
Completed Not applicable Interventional

A Pilot Clinical Trial of Sympathetic Blockade With Botulinum Toxin Type A to Treat Complex Regional Pain Syndrome (CRPS): a Randomized, Double-Blind, Controlled, Crossover Trial.

NCT00637533
View directory record Official record
Conditions
Pain
Interventions
Lumbar sympathetic block with Botulinum Toxin type A
Procedure
Lead sponsor
Stanford University
Other
Eligibility
21 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 18, 2011 · Synced Jul 22, 2026, 7:01 AM EDT
Completed No phase listed Observational Results available

Regional Anesthesia Military Battlefield Pain Outcomes Study

NCT00431847
View directory record Official record
Conditions
Anxiety Disorders, Complex Regional Pain Syndrome Type II, Depressive Disorders, Post-Traumatic Stress Disorder, Substance Abuse
Interventions
Regional Anesthesia, Standard Pain Management Protocol
Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
3
States / cities
Bethesda, Maryland • Philadelphia, Pennsylvania • Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Jul 22, 2026, 7:01 AM EDT
Completed Phase 2Phase 3 Interventional

Efficacy and Safety of Intravenous Neridronic Acid in CRPS-I

NCT02402530
View directory record Official record
Conditions
Complex Regional Pain Syndrome, Type I
Interventions
Placebo, Neridronic acid 62.5 mg
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 80 Years
Enrollment
459 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
49
States / cities
Foley, Alabama • Scottsdale, Arizona • Tucson, Arizona + 42 more
Source: ClinicalTrials.gov public record
Updated May 8, 2018 · Synced Jul 22, 2026, 7:01 AM EDT
Completed Phase 3 Interventional Results available

Nitrous Oxide for the Treatment of Complex Regional Pain Syndrome

NCT03879538
View directory record Official record
Conditions
Complex Regional Pain Syndrome
Interventions
Nitrous Oxide, Oxygen
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Jul 22, 2026, 7:01 AM EDT
Completed Not applicable Interventional Results available

Audio-Visual Relaxation Technology for Pediatric Amplified Musculoskeletal Pain Syndrome

NCT03762213
View directory record Official record
Conditions
Amplified Musculoskeletal Pain Syndrome, Reflex Sympathetic Dystrophy, Complex Regional Pain Syndromes
Interventions
Oculus GO VR HMD, application Happy Place (© Mimerse), iPad, application Happy Place (© Mimerse)
Device
Lead sponsor
Tufts Medical Center
Other
Eligibility
13 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Jul 22, 2026, 7:01 AM EDT
Withdrawn Phase 2Phase 3 Interventional Accepts healthy volunteers

Transcranial Magnetic Stimulation (TMS) Effects on Pain Perception

NCT00349050
View directory record Official record
Conditions
Pain, Trigeminal Neuralgia, Neuropathic Pain
Interventions
laboratory pain assessment, transcranial magnetic stimulation
Device · Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2012 · Synced Jul 22, 2026, 7:01 AM EDT
Terminated Not applicable Interventional

Autonomic Dysfunction and Spinal Cord Stimulation in Complex Regional Pain Syndrome

NCT00780390
View directory record Official record
Conditions
Complex Regional Pain Syndrome
Interventions
Autonomic Function Assessment
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 27, 2018 · Synced Jul 22, 2026, 7:01 AM EDT
Completed Phase 2 Interventional Results available

Clonidine Versus Adenosine to Treat Neuropathic Pain

NCT00349921
View directory record Official record
Conditions
Pain
Interventions
clonidine, adenosine, placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Not listed
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
2
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 9, 2018 · Synced Jul 22, 2026, 7:01 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

CSS-SR Validation Study

NCT06798493
View directory record Official record
Conditions
Complex Regional Pain Syndrome, Pain
Interventions
Complex Regional Pain Syndrome (CRPS) Severity Score - Self Report
Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Jul 22, 2026, 7:01 AM EDT
Recruiting Not applicable Interventional

TMS for Complex Regional Pain Syndrome

NCT03137472
View directory record Official record
Conditions
Complex Regional Pain Syndromes
Interventions
Transcranial Magnetic Stimulation (TMS)
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jul 22, 2026, 7:01 AM EDT
Completed Not applicable Interventional

Trialing of ISS in Patients With CRPS

NCT03954080
View directory record Official record
Conditions
CRPS I, Causalgia
Interventions
Intraspinal-optimal stim therapy
Device
Lead sponsor
Millennium Pain Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Bloomington, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Jul 22, 2026, 7:01 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Two Point Discrimination

NCT03686748
View directory record Official record
Conditions
Ehlers-Danlos Syndrome (EDS), Complex Regional Pain Syndrome (CRPS), Amplified Musculoskeletal Pain Syndrome (AMPS), Low Back Pain, Fibromyalgia, Chronic Widespread Pain
Interventions
Two-point discrimination training, One-point discrimination training
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
10 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 5, 2025 · Synced Jul 22, 2026, 7:01 AM EDT