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Showing 1–24 of 146 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Refractory Pain Clear all
Not listed Phase 2Phase 3 Interventional

MIST II PFO-Migraine Trial With BioSTAR® Bioabsorbable Septal Repair Implant

NCT00283738
View directory record Official record
Conditions
Migraine, Aura, Patent Foramen Ovale
Interventions
BioSTAR Septal Repair Implant System, Sham Procedure
Device · Procedure
Lead sponsor
NMT Medical
Industry
Eligibility
18 Years to 60 Years
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Stamford, Connecticut • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 24, 2008 · Synced Jul 22, 2026, 5:49 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 22, 2026, 5:49 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Botulinum Toxin Type A (Botox) for the Treatment of Cervical Dystonia and Upper Thoracic Muscular Pain

NCT00178945
View directory record Official record
Conditions
Refractory Cervicothoracic Myofascial Pain Syndrome (CMPS), Cervical Dystonia
Interventions
Botulinum Toxin Type A
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 31, 2016 · Synced Jul 22, 2026, 5:49 AM EDT
Terminated Not applicable Interventional

Improving Outcomes and Lowering Costs by Integration of Primary Care Providers and Pain Medicine Physicians for Pain Pts

NCT02484937
View directory record Official record
Conditions
Back Pain, Chronic Pain, Pain, Intractable
Interventions
Group 2 (PCP Treatment), Group 1 (PMS Treatment)
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced Jul 22, 2026, 5:49 AM EDT
Not yet recruiting Phase 2 Interventional

Localized Injection of Lidocaine Via the Middle Meningeal Artery for Intractable Headache Treatment

NCT07361549
View directory record Official record
Conditions
Refractory Migraine, Headache
Interventions
Lidocaine (drug), Saline
Drug
Lead sponsor
Daniel A Tonetti, MD
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Jul 22, 2026, 5:49 AM EDT
Completed No phase listed Observational

Quality of Life in Younger Leukemia and Lymphoma Survivors

NCT00956475
View directory record Official record
Conditions
Anxiety Disorder, Cancer Survivor, Fatigue, Leukemia, Long-term Effects Secondary to Cancer Therapy in Adults, Lymphoma, Lymphoproliferative Disorder, Pain, Psychosocial Effects of Cancer and Its Treatment, Small Intestine Cancer
Interventions
telephone-based intervention, questionnaire administration, assessment of therapy complications, fatigue assessment and management, psychosocial assessment and care, quality-of-life assessment
Behavioral · Other · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years to 35 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 23, 2011 · Synced Jul 22, 2026, 5:49 AM EDT
Terminated Phase 4 Interventional Results available

A Study To Evaluate Pregabalin In The Treatment Of Moderate To Severe Chronic Bone Pain Related To Metastatic Cancer

NCT00381095
View directory record Official record
Conditions
Bone Neoplasms, Pain, Intractable, Cancer
Interventions
Pregabalin, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
8
States / cities
Celebration, Florida • Kissimmee, Florida • Pensacola, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Jul 22, 2026, 5:49 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Investigation of Efficacy and Safety of Botulinum Toxin A (Botox-Allergan Inc) in Migraine Headaches

NCT00660192
View directory record Official record
Conditions
Refractory Migraine
Interventions
Botox, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 13, 2016 · Synced Jul 22, 2026, 5:49 AM EDT
Active, not recruiting Not applicable Interventional

Intermittent vs. Continuous Dorsal Root Ganglion Stimulation

NCT04727216
View directory record Official record
Conditions
Pain, Intractable, Pain, Chronic
Interventions
Dorsal Root Ganglion Stimulation (DRG-S)
Device
Lead sponsor
Spine and Pain Institute of New York
Other
Eligibility
21 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 21, 2021 · Synced Jul 22, 2026, 5:49 AM EDT
Terminated Phase 2 Interventional Results available

Lenalidomide (Revlimid) for the Treatment of Refractory Cancer Pain

NCT00684242
View directory record Official record
Conditions
Advanced Cancer, Pain
Interventions
Lenalidomide
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2013 · Synced Jul 22, 2026, 5:49 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Belimumab in Idiopathic Inflammatory Myositis

NCT02347891
View directory record Official record
Conditions
Myositis
Interventions
Belimumab, Placebo
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Great Neck, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Jul 22, 2026, 5:49 AM EDT
Completed Not applicable Interventional Results available

Study of PM Modulation Therapy in Trial Phase

NCT03110601
View directory record Official record
Conditions
Chronic Pain
Interventions
Control - Conventional SCS, Test - Stimgenics SCS
Device
Lead sponsor
Stimgenics LLC
Industry
Eligibility
19 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Bloomington, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 15, 2019 · Synced Jul 22, 2026, 5:49 AM EDT
Recruiting Phase 1 Interventional

Safety and PK of Intrathecal CNTX-3001 for Intractable Chronic Low Back Pain

NCT07122453
View directory record Official record
Conditions
Lower Back Pain
Interventions
CNTX-3001, Placebo
Drug
Lead sponsor
Centrexion Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Napa, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Jul 22, 2026, 5:49 AM 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 22, 2026, 5:49 AM EDT
Completed Phase 1 Interventional

Study on the Safety of BAY1817080, How it is Tolerated and the Way the Body Absorbs, Distributes and Gets Rid of the Study Drug in Participants With Impaired Liver Function or Normal Liver Function

NCT04454424
View directory record Official record
Conditions
Endometriosis Related Pain, Overactive Bladder, Diabetic Neuropathic Pain, Refractory or Unexplained Chronic Cough
Interventions
BAY1817080, Midazolam
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 79 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Miami, Florida • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Jul 22, 2026, 5:49 AM EDT
Withdrawn Phase 4 Interventional

Transitioning to a Valve -Gated Intrathecal Drug Delivery System (IDDS)

NCT03876158
View directory record Official record
Conditions
Chronic Pain, Intractable Pain, Back Pain
Interventions
Prometra II Programmable Pump system(Flowonix Medical)
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
22 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced Jul 22, 2026, 5:49 AM EDT
Recruiting Not applicable Interventional

Sensory Spinal Cord Stimulation

NCT07095036
View directory record Official record
Conditions
Pain Management, Pain, Intractable, Pain, Chronic Disease
Interventions
Spinal cord stimulation (SCS)
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 22, 2026, 5:49 AM EDT
Recruiting Not applicable Interventional

Efficacy of the COronary SInus Reducer in Patients With Refractory Angina II

NCT05102019
View directory record Official record
Conditions
Refractory Angina
Interventions
Arm 1: treatment with Shockwave Reducer, Arm 2 (control): Implantation procedure with no device implanted, Arm 3 (unblinded, non-randomized): Single arm registry
Device · Other
Lead sponsor
Shockwave Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
70
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 56 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jul 22, 2026, 5:49 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Targeted Intramyocardial Delivery of Auto CD34+ Stem Cells for Improving Exercise Capacity in Subjects With Refractory Angina

NCT01508910
View directory record Official record
Conditions
Chronic Myocardial Ischemia, Refractory Angina Pectoris, Advanced Coronary Heart Disease
Interventions
Auto-CD34+ cells, Placebo: Diluent used to suspend Auto-CD34+ cells, Standard of care
Biological · Other
Lead sponsor
Lisata Therapeutics, Inc.
Industry
Eligibility
21 Years to 80 Years
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
41
States / cities
Birmingham, Alabama • Gilbert, Arizona • Phoenix, Arizona + 38 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Jul 22, 2026, 5:49 AM EDT
Completed Not applicable Interventional

Cordotomy for Refractory Cancer Pain

NCT02345629
View directory record Official record
Conditions
Advanced Cancers, Pain
Interventions
Cordotomy, Pain/Symptom Questionnaire, Sharpness Sensory Testing, Heat Pain Sensory Testing
Procedure · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 6, 2023 · Synced Jul 22, 2026, 5:49 AM EDT
Terminated Phase 2 Interventional Results available

A Safety & Efficacy Study of BGS649 in Women With Refractory Endometriosis

NCT01116440
View directory record Official record
Conditions
Pelvic Pain Associated With Refractory Endometriosis
Interventions
BGS649, Placebo
Drug
Lead sponsor
Mereo BioPharma
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
42
States / cities
Mobile, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 36 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2020 · Synced Jul 22, 2026, 5:49 AM EDT
Completed Not applicable Interventional Results available

Evaluating Anatomic Versus Targeted Lead Placement for Burst Stimulation Therapy During the Trial

NCT03277378
View directory record Official record
Conditions
Chronic, Intractable Pain of the Trunk and/or Lower Limbs
Interventions
lead placement followed by BurstDR stimulation
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
13
States / cities
Santa Rosa, California • Clearwater, Florida • Merritt Island, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced Jul 22, 2026, 5:49 AM EDT
Completed Not applicable Interventional Results available

High Rate Spinal Cord Stimulation (SCS) for Chronic Pain

NCT01624740
View directory record Official record
Conditions
Chronic Pain
Interventions
Low Rate Stimulation, High Rate Stimulation
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2015 · Synced Jul 22, 2026, 5:49 AM EDT
Active, not recruiting Not applicable Interventional

MR Guided Focused Ultrasound (FUS) for the Treatment of Trigeminal Neuralgia

NCT04579692
View directory record Official record
Conditions
Trigeminal Neuralgia
Interventions
ExAblate Transcranial treatment
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
21 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Jul 22, 2026, 5:49 AM EDT