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ClinicalTrials.gov public records Last synced Sep 30, 2026, 7:59 PM EDT

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Showing 25–48 of 95 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Complex Regional Pain Syndromes Clear all
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 18, 2019 · Synced Sep 30, 2026, 7:59 PM EDT
Completed No phase listed Observational

Forward Looking InfraRed Imaging and Severity Score in Complex Regional Pain Syndrome

NCT05852210
View directory record Official record
Conditions
CRPS (Complex Regional Pain Syndromes)
Interventions
Infrared Imaging
Other
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 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 30, 2026, 7:59 PM EDT
Completed Not applicable Interventional Results available

Transcranial Magnetic Stimulation (TMS) for CRPS

NCT02067273
View directory record Official record
Conditions
Complex Regional Pain Syndrome (CRPS)
Interventions
Transcranial Magnetic Stimulation (TMS)
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Sep 30, 2026, 7:59 PM 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 7, 2024 · Synced Sep 30, 2026, 7:59 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
27
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 30, 2026, 7:59 PM EDT
Recruiting Not applicable Interventional

Closed Loop Spinal Cord Stimulation for Complex Regional Pain Syndrome

NCT06421350
View directory record Official record
Conditions
Complex Regional Pain Syndromes
Interventions
Spinal Cord Stimulation Device
Device
Lead sponsor
Scripps Health
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced Sep 30, 2026, 7:59 PM EDT
Terminated Not applicable Interventional Results available

Mechanism and Treatment of Sympathetically Maintained Pain

NCT01813149
View directory record Official record
Conditions
Complex Regional Pain Syndrome (CRPS)
Interventions
phenylephrine and clonidine, punch biopsy
Drug · Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Sep 30, 2026, 7:59 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 23, 2011 · Synced Sep 30, 2026, 7:59 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 22, 2024 · Synced Sep 30, 2026, 7:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Intravenous Lidocaine on Normal Sensation and Pain in Healthy Volunteers

NCT00657358
View directory record Official record
Conditions
Pain
Interventions
Lidocaine
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 17, 2017 · Synced Sep 30, 2026, 7:59 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 2, 2017 · Synced Sep 30, 2026, 7:59 PM EDT
Recruiting No phase listed Observational

CRPS-RISE Outcomes Registry

NCT07811362
View directory record Official record
Conditions
Complex Regional Pain Syndrome I (CRPS I)
Interventions
Not listed
Lead sponsor
Ambros Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Sep 30, 2026, 7:59 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

High Frequency Stimulation Trials in Patients With Precision Spinal Cord Stimulator System

NCT02265848
View directory record Official record
Conditions
Chronic Pain, Low Back Pain, Radiculopathy, Complex Regional Pain Syndrome (CRPS)
Interventions
High frequency stimulation, Low frequency stimulation
Other
Lead sponsor
The Center for Clinical Research, Winston-Salem, NC
Other
Eligibility
18 Years to 70 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 25, 2016 · Synced Sep 30, 2026, 7:59 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 16, 2024 · Synced Sep 30, 2026, 7:59 PM 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 19, 2011 · Synced Sep 30, 2026, 7:59 PM EDT
Not listed No phase listed Observational

Forms of Cervical Brachial Syndrome Treated With Plasma Concentrate Enriched for A2M

NCT04066933
View directory record Official record
Conditions
Complex Regional Pain Syndromes, Neuralgia, Thoracic Outlet Neurologic Syndrome
Interventions
A2M enriched plasma
Combination Product
Lead sponsor
Neurological Associates of West Los Angeles
Other
Eligibility
23 Years to 77 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2022 · Synced Sep 30, 2026, 7:59 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 31, 2026 · Synced Sep 30, 2026, 7:59 PM 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 8, 2024 · Synced Sep 30, 2026, 7:59 PM 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 21, 2024 · Synced Sep 30, 2026, 7:59 PM 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 5, 2022 · Synced Sep 30, 2026, 7:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Offset Analgesia as a Measure of Central Sensitization in Children

NCT03445403
View directory record Official record
Conditions
Chronic Pain Syndrome, Chronic Daily Headache, Functional Abdominal Pain Syndrome, Musculoskeletal Pain Disorder, CRPS (Complex Regional Pain Syndromes)
Interventions
Offset analgesia
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
10 Years to 17 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 21, 2021 · Synced Sep 30, 2026, 7:59 PM 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 26, 2021 · Synced Sep 30, 2026, 7:59 PM EDT
Completed No phase listed Observational

Spinal Cord Stimulation and Functional MRI

NCT01512121
View directory record Official record
Conditions
Complex Regional Pain Syndrome (CRPS), Neuropathic Leg Pain
Interventions
Not listed
Lead sponsor
Vibhor Krishna
Other
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Sep 30, 2026, 7:59 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 18, 2026 · Synced Sep 30, 2026, 7:59 PM EDT