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ClinicalTrials.gov public records Last synced May 22, 2026, 12:14 AM 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 48 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Chronic Regional Pain Syndrome Clear all
Active, not recruiting Not applicable Interventional
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 May 22, 2026, 12:14 AM EDT
Not listed Not applicable Interventional
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 May 22, 2026, 12:14 AM EDT
Completed Not applicable Interventional
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 Sep 30, 2025 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 3 Interventional Results available
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 May 22, 2026, 12:14 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers
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 May 22, 2026, 12:14 AM EDT
Completed Not applicable Interventional Results available
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 May 22, 2026, 12:14 AM EDT
Completed Phase 3 Interventional
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 May 22, 2026, 12:14 AM EDT
Completed No phase listed Observational
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 May 22, 2026, 12:14 AM EDT
Completed Phase 2 Interventional Results available
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 May 22, 2026, 12:14 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers
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 May 22, 2026, 12:14 AM EDT
Not listed Phase 3 Interventional
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 May 22, 2026, 12:14 AM EDT
Completed No phase listed Observational Results available
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 May 22, 2026, 12:14 AM EDT
Completed Phase 3 Interventional Results available
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 May 22, 2026, 12:14 AM EDT
Completed Not applicable Interventional Results available
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 May 22, 2026, 12:14 AM EDT
Completed Not applicable Interventional
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 May 22, 2026, 12:14 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Pain
Interventions
Oxymorphone
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 2, 2016 · Synced May 22, 2026, 12:14 AM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Spinal; Nerve Root, Pain, Pelvic Pain, Regional Pain Syndrome, Chronic Pain Syndrome, Complex Regional Pain Syndromes
Interventions
dorsal root ganglion neuromodulation
Device
Lead sponsor
KM Clinical Research Group
Industry
Eligibility
18 Years to 85 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Murrieta, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced May 22, 2026, 12:14 AM EDT
Completed Not applicable Interventional
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 May 22, 2026, 12:14 AM EDT
Completed No phase listed Observational
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 May 22, 2026, 12:14 AM EDT
Enrolling by invitation Phase 4 Interventional
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 65 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 Nov 25, 2025 · Synced May 22, 2026, 12:14 AM EDT
Enrolling by invitation No phase listed Observational
View directory record Official record
Conditions
Chronic Pain
Interventions
Ketamine
Drug
Lead sponsor
Theresa Lii
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced May 22, 2026, 12:14 AM EDT
Recruiting Not applicable Interventional
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 May 22, 2026, 12:14 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers
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 May 22, 2026, 12:14 AM EDT
Withdrawn Not applicable Interventional
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 May 22, 2026, 12:14 AM EDT