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ClinicalTrials.gov public records Last synced May 21, 2026, 5:55 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 2,476 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pain, Chronic Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Knee Pain, Chronic Osteoarthritis, Avascular Necrosis of the Femoral Condyle, Moderate Varus, Valgus or Flexion Deformities, Rheumatoid Arthritis
Interventions
PERSONA Total Knee, Vanguard Total Knee, NexGen Total Knee
Device
Lead sponsor
Zimmer Biomet
Industry
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
5
States / cities
Vail, Colorado • Westminster, Colorado • Springfield, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated May 2, 2024 · Synced May 21, 2026, 5:55 PM EDT
Suspended Not applicable Interventional
View directory record Official record
Conditions
Chronic Low-back Pain, Chronic Pain, Fibromyalgia
Interventions
Green Light stimulation, Equal Energy White stimulation, S-cone modulating white light
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced May 21, 2026, 5:55 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Chronic Pain, Sciatica, Failed Back Surgery Syndrome
Interventions
Awake, Non-Awake
Procedure
Lead sponsor
St. Luke's Hospital, Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
4
States / cities
Bethlehem, Pennsylvania • Danville, Pennsylvania • Hershey, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2021 · Synced May 21, 2026, 5:55 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Opioid Use, Chronic Pain Post-Procedural
Interventions
Video
Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 25, 2022 · Synced May 21, 2026, 5:55 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Interstitial Cystitis, Bladder Pain Syndrome
Interventions
Cannabidiol vaginal suppository, Placebo vaginal suppository
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced May 21, 2026, 5:55 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Chronic Pain
Interventions
Intervention, Control
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 9, 2018 · Synced May 21, 2026, 5:55 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Chronic Pain
Interventions
Goal-Directed Resilience Training
Behavioral
Lead sponsor
Morehouse School of Medicine
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced May 21, 2026, 5:55 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Neck Pain
Interventions
Chiropractic manipulation, acetaminophen
Procedure · Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2007
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 4, 2013 · Synced May 21, 2026, 5:55 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Chronic Pain
Interventions
WHT
Other
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 75 Years
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced May 21, 2026, 5:55 PM EDT
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 21, 2026, 5:55 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Juvenile; Scoliosis, Scoliosis Idiopathic, Scoliosis; Adolescence, Scoliosis;Congenital, Kyphosis, Spondylolisthesis, Pectus Surgery, Hip Surgery
Interventions
Fast-Dissolve Melatonin Pill, Fast-Dissolve Placebo Pill
Dietary Supplement · Other
Lead sponsor
Stanford University
Other
Eligibility
12 Years to 18 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced May 21, 2026, 5:55 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Endometriosis
Interventions
NettleEndo, Sham NettleEndo Device
Device
Lead sponsor
Samphire Group, Inc.
Industry
Eligibility
22 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced May 21, 2026, 5:55 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Chronic Pain
Interventions
Transcranial Direct Current Stimulation (tDCS), Transcranial Direct Current Stimulation (tDCS) sham
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 79 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 17, 2023 · Synced May 21, 2026, 5:55 PM EDT
Recruiting Phase 4 Interventional
View directory record Official record
Conditions
Dysmenorrhea, Chronic Pelvic Pain, Pelvic Pain
Interventions
Naproxen Sodium 550mg, Placebo, Extended Release Acetaminophen (650 mg)
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced May 21, 2026, 5:55 PM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Spinal Cord Injuries, Pain, Chronic, Spinal Cord Injury, Acute
Interventions
Hypnosis enhanced cognitive behavioral therapy, Pain Education
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
16 Years to 85 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced May 21, 2026, 5:55 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Chronic Pain
Interventions
Body scan meditation
Procedure
Lead sponsor
Therapeutic Neuroscience Research Group
Network
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 10, 2022 · Synced May 21, 2026, 5:55 PM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Chronic Prostatitis, Chronic Pelvic Pain Syndrome
Interventions
AQX-1125 200 mg, Placebo
Drug
Lead sponsor
Aquinox Pharmaceuticals (Canada) Inc.
Industry
Eligibility
18 Years to 80 Years · Male only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
23
States / cities
Homewood, Alabama • Mobile, Alabama • Tucson, Arizona + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced May 21, 2026, 5:55 PM 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 21, 2026, 5:55 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Low Back Pain
Interventions
Naproxen, Placebo, PF-04383119 (RN624)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 90 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
38
States / cities
Anniston, Alabama • Birmingham, Alabama • Chandler, Arizona + 30 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2021 · Synced May 21, 2026, 5:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Chronic Pain, Lower Back Pain Chronic
Interventions
PNS Injectrode F1
Device
Lead sponsor
Neuronoff, Inc
Industry
Eligibility
21 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced May 21, 2026, 5:55 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Patellofemoral Pain Syndrome
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced May 21, 2026, 5:55 PM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Hip Pain, Hip Pain Chronic, Mind-Body Therapies
Interventions
HIPS
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced May 21, 2026, 5:55 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Chronic Pain
Interventions
Deep Brain Stimulation for Thalamic Pain Syndrome
Device
Lead sponsor
Andre Machado
Other
Eligibility
21 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced May 21, 2026, 5:55 PM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Chronic Pain, Opioid-use Disorder
Interventions
Active rTMS treatment, Sham rTMS treatment
Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced May 21, 2026, 5:55 PM EDT