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Showing 1–24 of 91 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: CRPS (Complex Regional Pain Syndromes) Clear all
Completed Not applicable Interventional Results available

The Effect of Intravenous Lidocaine on Allodynia

NCT00659633
View directory record Official record
Conditions
Pain
Interventions
lidocaine
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 20, 2017 · Synced Jul 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM EDT
Not yet recruiting Not applicable Interventional

Empowered Relief for Caregivers

NCT07636980
View directory record Official record
Conditions
Chronic Pain, Musculoskeletal Pain, Fibromyalgia, Neuropathic Pain, Complex Regional Pain Syndromes (CRPS), Abdominal Pain (AP)
Interventions
Empowered Relief for Caregivers (ER-CY)
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Jul 23, 2026, 11:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Research Protocol for Karuna Labs Inc.: Safety and Efficacy of Virtual Reality Graded Motor Imagery for Chronic Pain

NCT04060875
View directory record Official record
Conditions
Chronic Pain, Low Back Pain, Fibromyalgia, Upper Extremity Dysfunction, Complex Regional Pain Syndromes, Phantom Limb Pain, Rheumatoid Arthritis, Carpal Tunnel Syndrome, Repetitive Strain Injury
Interventions
Karuna Labs Virtual Reality Software
Device
Lead sponsor
Karuna Labs Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Jul 23, 2026, 11:40 PM EDT
Terminated Phase 2 Interventional Results available

Neurotropin to Treat Chronic Neuropathic Pain

NCT00006289
View directory record Official record
Conditions
Complex Regional Pain Syndrome Type I, Complex Regional Pain Syndrome Type II
Interventions
Placebo, Neurotropin
Drug
Lead sponsor
National Institute of Nursing Research (NINR)
NIH
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Jul 23, 2026, 11:40 PM EDT
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 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM EDT
Recruiting Not applicable Interventional

Closed-Loop Deep Brain Stimulation for Refractory Chronic Pain

NCT04144972
View directory record Official record
Conditions
Spinal Cord Injuries, Nerve Injury, Pain, Postoperative, Post Herpetic Neuralgia, Complex Regional Pain Syndromes, Post-Stroke Pain, Post Radiation Brain Injury, Post Radiation Plexopathy, Nerve Root Avulsion
Interventions
Medtronic Summit RC+S or Percept RC
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
22 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 7, 2025 · Synced Jul 23, 2026, 11:40 PM EDT
Completed Not applicable Interventional

Graded Motor Imagery for Women at Risk for Developing Type I CRPS Following Closed Treatment of Distal Radius Fractures

NCT02957240
View directory record Official record
Conditions
Musculoskeletal Pain, Fractures, Closed, Distal Radius Fracture, Complex Regional Pain Syndromes
Interventions
Standard Care, Motor Representation Techniques
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
55 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Jul 23, 2026, 11:40 PM EDT
Recruiting Not applicable Interventional

Intermittent Dosing of Dorsal Root Ganglion Stimulation as an Alternate Paradigm to Continuous Low-Frequency Therapy

NCT04909138
View directory record Official record
Conditions
CRPS (Complex Regional Pain Syndromes), Radiculopathy, Peripheral Neuropathy
Interventions
DRG stimulation 20 Hz 30/90, DRG stimulation 5 Hz 30/90
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Jul 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Randomized Controlled Trial of Ketamine Infusion With Continuous Epidural Infusion for Treatment of Complex Regional Pain Syndrome

NCT02094352
View directory record Official record
Conditions
Complex Regional Pain Syndrome
Interventions
Ketamine Infusion + Epidural Infusion, Control Group + Epidural infusion, Ketamine Booster Infusion, Control Group Booster Infusion
Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 30, 2018 · Synced Jul 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM EDT
Completed Not applicable Interventional

Effectiveness of Virtual Reality in Hand Therapy

NCT05188040
View directory record Official record
Conditions
Distal Radius Fracture, Chronic Regional Pain Syndrome, Flexor Tendon Rupture
Interventions
Virtual Reality Exercises
Other
Lead sponsor
Timothy Uhl
Other
Eligibility
18 Years to 99 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Georgetown, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Jul 23, 2026, 11:40 PM EDT
Completed No phase listed Observational

Assessing the Impact of Exercise Based Intensive Interdisciplinary Pain Treatment (IIPT) on Endogenous Pain Modulation in Youth With Chronic Pain Syndromes

NCT05491499
View directory record Official record
Conditions
Chronic Pain Syndrome, Fibromyalgia, Chronic Headache Disorder, Functional Abdominal Pain Syndrome, Complex Regional Pain Syndromes
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
10 Years to 17 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced Jul 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM 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 23, 2026, 11:40 PM EDT