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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: CRPS (Complex Regional Pain Syndromes) Clear all
Withdrawn No phase listed Observational Accepts healthy volunteers

IV Lidocaine Infusion for Neuropathic Pain

NCT05731739
View directory record Official record
Conditions
Neuropathic Pain, Complex Regional Pain Syndrome, Chronic Pain
Interventions
Not listed
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 15, 2023 · Synced Jul 24, 2026, 12:53 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Study of Proteins Associated With Complex Regional Pain Syndrome

NCT00033969
View directory record Official record
Conditions
Complex Regional Pain Syndromes, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Nursing Research (NINR)
NIH
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced Jul 24, 2026, 12:53 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Effects of Vaporized Marijuana on Neuropathic Pain

NCT01037088
View directory record Official record
Conditions
Neuropathic Pain, Reflex Sympathetic Dystrophy, Peripheral Neuropathy, Post-herpetic Neuralgia, Spinal Cord Injury, Multiple Sclerosis
Interventions
Mild dose cannabis, Low dose cannabis, Cannabis
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 70 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2018 · Synced Jul 24, 2026, 12:53 AM EDT
Completed Phase 3 Interventional Results available

Safety Study of HZT-501 in Patients Who Require Long-Term Daily Non-steroidal Anti-inflammatory Drug Treatment

NCT00984815
View directory record Official record
Conditions
Osteoarthritis, Rheumatoid Arthritis, Chronic Low Back Pain, Chronic Regional Pain Syndrome, Chronic Soft Tissue Pain
Interventions
HZT-501
Drug
Lead sponsor
Amgen
Industry
Eligibility
40 Years to 80 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
4
States / cities
Chicago, Illinois • Morton Grove, Illinois • Duncansville, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Jul 24, 2026, 12:53 AM EDT
Completed Phase 3 Interventional Results available

Double-Blind Follow-on Safety Study of HZT-501 (Ibuprofen 800 mg/Famotidine 26.6 mg) in Subjects Who Have Completed Participation in HZ-CA-301 (NCT00450658) or HZ-CA-303 (NCT00450216)

NCT00613106
View directory record Official record
Conditions
Osteoarthritis, Rheumatoid Arthritis, Chronic Low Back Pain, Chronic Regional Pain Syndrome, Chronic Soft Tissue Pain
Interventions
HZT-501, Ibuprofen
Drug
Lead sponsor
Amgen
Industry
Eligibility
40 Years to 81 Years
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 16, 2024 · Synced Jul 24, 2026, 12:53 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 7, 2024 · Synced Jul 24, 2026, 12:53 AM EDT
Completed Not applicable Interventional Results available

Virtual Reality Guided Imagery for Chronic Pain

NCT04849897
View directory record Official record
Conditions
Complex Regional Pain Syndromes, Back Pain
Interventions
Experimental: Virtual Reality Guided Imagery, Active Comparator: Audio Only Guided Imagery
Device · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Jul 24, 2026, 12:53 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 24, 2026, 12:53 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 24, 2026, 12:53 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 24, 2026, 12:53 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 24, 2026, 12:53 AM EDT
Completed No phase listed Observational

Infrared Imaging in Complex Regional Pain Syndrome

NCT05693337
View directory record Official record
Conditions
Complex Regional Pain Syndromes
Interventions
Forward Looking Infrared Radar (FLIR) thermal imaging
Device
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
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 26, 2024 · Synced Jul 24, 2026, 12:53 AM EDT
Not yet recruiting Phase 2 Interventional

Ketamine HCl Prolonged Release Oral Tablets for CRPS

NCT06419985
View directory record Official record
Conditions
Complex Regional Pain Syndromes
Interventions
80mg/day Ketamine HCl Prolonged Release, 160mg/day Ketamine HCl Prolonged Release
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 64 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jul 24, 2026, 12:53 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 24, 2026, 12:53 AM EDT
Active, not recruiting Not applicable Interventional

Transcranial Magnetic Stimulation for Chronic Neuropathic Pain

NCT05593237
View directory record Official record
Conditions
Chronic Neuropathic Pain, Post-Stroke Pain, Trigeminal Neuralgia, Nerve Injury, Spinal Cord Injuries, Pain, Postoperative, Complex Regional Pain Syndromes, Post-herpetic Neuralgia, Nerve Root Avulsion
Interventions
High Frequency rTMS, Low Frequency rTMS
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Jul 24, 2026, 12:53 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 24, 2026, 12:53 AM EDT
Completed Phase 2 Interventional

Double Blind Placebo Controlled Study of Outpatient Intravenous Ketamine for the Treatment of CRPS

NCT00579085
View directory record Official record
Conditions
Complex Regional Pain Syndrome
Interventions
Ketamine, IV NSS, Normal Saline
Drug · Other
Lead sponsor
Drexel University College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 16, 2010 · Synced Jul 24, 2026, 12:53 AM EDT
Completed Phase 3 Interventional

Study to Evaluate the Efficacy and Safety of OraVescent Fentanyl Citrate Treatment for the Management of Breakthrough Pain in Opioid-Tolerant Patients With Noncancer-Related Chronic Pain

NCT00343733
View directory record Official record
Conditions
Pain
Interventions
OraVescent Fentanyl
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
21
States / cities
Hot Springs, Arkansas • Los Gatos, California • Oxnard, California + 16 more
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Jul 24, 2026, 12:53 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Markers of Trajectory in Pediatric CRPS

NCT03838107
View directory record Official record
Conditions
Complex Regional Pain Syndromes
Interventions
observation and measure of trajectory of recovery in CRPS
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
10 Years to 17 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 6, 2024 · Synced Jul 24, 2026, 12:53 AM EDT
Not listed Not applicable Interventional

Low-Intensity Focused Ultrasound For Insular Neuromodulation in Chronic Pain

NCT05751096
View directory record Official record
Conditions
Fibromyalgia, Complex Regional Pain Syndromes, Chronic Pain
Interventions
Low-intensity Focused Ultrasound (LIFU), Sham Low-intensity focused ultrasound (LIFU)
Device
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Jul 24, 2026, 12:53 AM EDT
Recruiting Not applicable Interventional

Low-Dose Naltrexone for the Treatment of Complex Regional Pain Syndrome

NCT02502162
View directory record Official record
Conditions
Complex Regional Pain Syndrome
Interventions
LDN, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Jul 24, 2026, 12:53 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 24, 2026, 12:53 AM EDT
Completed Not applicable Interventional

Intraoperative Neuromonitoring Recording With a Novel SCS Paddle: Phase II

NCT05459324
View directory record Official record
Conditions
Chronic Pain, Neuropathic Pain, Failed Back Surgery Syndrome, Complex Regional Pain Syndromes
Interventions
HD Study Electrode
Device
Lead sponsor
Albany Medical College
Other
Eligibility
18 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2024 · Synced Jul 24, 2026, 12:53 AM EDT
Completed Not applicable Interventional Results available

Sensory Testing of Multiple Forms of Spinal Cord Stimulation for Pain

NCT04732325
View directory record Official record
Conditions
Chronic Pain, Failed Back Surgery Syndrome, Complex Regional Pain Syndromes, Neuropathic Pain
Interventions
Spinal cord stimulation
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Jul 24, 2026, 12:53 AM EDT