Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 21, 2026, 6:56 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 49 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Chronic Regional Pain Syndrome 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 21, 2026, 6:56 PM 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 21, 2026, 6:56 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 21, 2026, 6:56 PM 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 21, 2026, 6:56 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Supraspinal Processing of Sensory Aspects of Pain

NCT05814497
View directory record Official record
Conditions
Migraine in Children, Complex Regional Pain Syndromes, Musculoskeletal Pain, Functional Abdominal Pain Syndrome, Fibromyalgia
Interventions
Multisensory Task, Graphesthesia, Divided attention
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
10 Years to 17 Years
Enrollment
255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jul 21, 2026, 6:56 PM 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 21, 2026, 6:56 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 21, 2026, 6:56 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 21, 2026, 6:56 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 21, 2026, 6:56 PM EDT
Completed Not applicable Interventional

Empowered Relief for Youth

NCT05998369
View directory record Official record
Conditions
Chronic Pain, Musculoskeletal Pain, Fibromyalgia, Neuropathic Pain, Complex Regional Pain Syndromes, Abdominal Pain
Interventions
Empowered Relief for Youth
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
10 Years to 18 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 21, 2026, 6:56 PM 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 21, 2026, 6:56 PM 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 21, 2026, 6:56 PM 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 21, 2026, 6:56 PM 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 21, 2026, 6:56 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 21, 2026, 6:56 PM 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 21, 2026, 6:56 PM 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 21, 2026, 6:56 PM EDT
Completed Not applicable Interventional

Role of Steroids and 10% Hypertonic Sodium Chloride in Adhesiolysis in Post Lumbar Surgery Syndrome Patients

NCT01053572
View directory record Official record
Conditions
Low Back Pain
Interventions
Adhesiolysis
Procedure
Lead sponsor
Pain Management Center of Paducah
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Paducah, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 24, 2017 · Synced Jul 21, 2026, 6:56 PM EDT
Completed Not applicable Interventional Results available

Intraoperative Neuromonitoring Recording With a Novel SCS Paddle

NCT05045625
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
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Jul 21, 2026, 6:56 PM 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 21, 2026, 6:56 PM 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 21, 2026, 6:56 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 21, 2026, 6:56 PM EDT
Withdrawn Not applicable Interventional

TNF-alpha Inhibition in CRPS: A Randomized Controlled Trial

NCT02031211
View directory record Official record
Conditions
CRPS, Chronic Regional Pain Syndrome
Interventions
Etanercept, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
10 Years to 17 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2016 · Synced Jul 21, 2026, 6:56 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 21, 2026, 6:56 PM EDT