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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Nociceptive Pain Clear all
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Investigation of Low-intensity Focused Ultrasound Pressure

NCT06343883
View directory record Official record
Conditions
Somatic Pain
Interventions
low-intensity focused ultrasound - low pressure, low-intensity focused ultrasound - medium pressure, low-intensity focused ultrasound - high pressure
Device
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate Analgesic Effect of Intravenous Administration of Kappa Agonist CR845 After Hysterectomy Surgery

NCT00877799
View directory record Official record
Conditions
Acute Pain
Interventions
CR845, Placebo
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
21 Years to 60 Years · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
12
States / cities
Mobile, Alabama • Sheffield, Alabama • Phoenix, Arizona + 7 more
Source: ClinicalTrials.gov public record
Updated May 11, 2015 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Placebo-Controlled, Two-Part Study, Oral Dose to Evaluate the Safety, Pharmacokinetics, and Pharmacodynamics of CNTX-6970 in Healthy Subjects

NCT03787004
View directory record Official record
Conditions
Chronic Pain, Nociceptive Pain
Interventions
CNTX-6970, Placebo
Drug · Other
Lead sponsor
Centrexion Therapeutics
Industry
Eligibility
18 Years to 64 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 25, 2018 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate Analgesic Effect of IV Administration of Kappa Agonist CR845 For Hysterectomy Surgery

NCT01361568
View directory record Official record
Conditions
Postoperative Pain
Interventions
CR845, Placebo
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
21 Years to 65 Years · Female only
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
18
States / cities
Florence, Alabama • Mobile, Alabama • Montgomery, Alabama + 14 more
Source: ClinicalTrials.gov public record
Updated May 28, 2014 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nociceptive Pain Fiber Response

NCT02696070
View directory record Official record
Conditions
Painful Peripheral Diabetic Neuropathy
Interventions
Provant Therapy System
Device
Lead sponsor
Regenesis Biomedical, Inc.
Industry
Eligibility
22 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Phase 1 Interventional

PET/MRI in the Diagnosis of Pediatric Chronic Pain

NCT04435821
View directory record Official record
Conditions
Chronic Pain, Pediatric Disorder, Neuropathic Pain, Nociceptive Pain
Interventions
[18F]FTC-146
Drug
Lead sponsor
Stanford University
Other
Eligibility
11 Years to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Jul 22, 2026, 9:59 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Phenotyping IBS: Perceptions and Modulations of Visceral Sensations

NCT02693730
View directory record Official record
Conditions
Irritable Bowel Syndrome, Ulcerative Colitis, Inflammatory Bowel Disease
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 60 Years
Enrollment
198 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 8, 2023 · Synced Jul 22, 2026, 9:59 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

PET/MRI in the Diagnosis of Chronic Pain

NCT03556137
View directory record Official record
Conditions
Neuropathic Pain, Nociceptive Pain, Mixed Pain (Nociceptive and Neuropathic), Spinal Pain, Radiculopathy, Myelopathy, Neurogenic Claudication
Interventions
[18F]FTC-146
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jul 19, 2023 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Not applicable Interventional

Effects of a Peripheral Nerve Block on Biomarkers of Pain and Inflammation

NCT00780936
View directory record Official record
Conditions
Pain
Interventions
femoral nerve block
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 23, 2008 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Not applicable Interventional

Postoperative Benefits of Intraoperative Nociception Level (NOL) Titration - Pilot

NCT04305015
View directory record Official record
Conditions
Nociceptive Pain
Interventions
NOL Guided Analgesia, Routine opioid management
Device · Other
Lead sponsor
Medasense Biometrics Ltd
Other
Eligibility
21 Years to 85 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Not applicable Interventional

Web-based Management of Pediatric Functional Abdominal Pain

NCT02327377
View directory record Official record
Conditions
Gastrointestinal Disorders, Functional
Interventions
Online Cognitive Behavior Therapy, Online Education
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
11 Years to 17 Years
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 27, 2019 · Synced Jul 22, 2026, 9:59 AM EDT
Not yet recruiting Not applicable Interventional

Gastric Electrical Stimulation for Abdominal Pain in Patients With Gastroparesis

NCT07556237
View directory record Official record
Conditions
Gastroparesis, Chronic Abdominal Pain
Interventions
Enterra™ neurostimulator
Device
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jul 22, 2026, 9:59 AM EDT
Withdrawn No phase listed Observational

Compounded Pain Creams and Patient Perception

NCT02024802
View directory record Official record
Conditions
Neurologic Pain, Nociceptive Pain
Interventions
Not listed
Lead sponsor
Marwood LowCost Pharmacy
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 7, 2014 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Radicle Relief 2: A Study of Health and Wellness Products on Pain and Health Outcomes

NCT05837923
View directory record Official record
Conditions
Pain, Neuropathic Pain, Nociceptive Pain
Interventions
Relief Active Study Product 1.1 Usage, Relief Active Study Product 1.2 Usage, Placebo Control Form 1, Relief Active Study Product 2.1 Usage, Placebo Control Form 2, Placebo Control Form 3, Relief Active Study Product 3.1 Usage, Relief Active Study Product 3.2 Usage, Relief Active Study Product 3.3 Usage
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
2,016 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Del Mar, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced Jul 22, 2026, 9:59 AM EDT
Withdrawn Not applicable Interventional

tDCS for the Management of Chronic Visceral Pain in Patients With Chronic Pancreatitis

NCT01857492
View directory record Official record
Conditions
Chronic Pancreatitis, Pain
Interventions
tDCS, Meditation
Device · Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 10, 2015 · Synced Jul 22, 2026, 9:59 AM EDT
Completed No phase listed Observational

Association Between Types of Pain and Motor Activities Physical Activity

NCT05236933
View directory record Official record
Conditions
Spinal Cord Injury, Chronic Pain
Interventions
Not listed
Lead sponsor
Temple University
Other
Eligibility
18 Years to 75 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 13, 2023 · Synced Jul 22, 2026, 9:59 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

FDG PET/MR Imaging of Peripheral Pain Generators

NCT06171659
View directory record Official record
Conditions
Pain, Nociceptive Pain
Interventions
FDG radiotracer, PET/MRI, PET/CT imaging
Drug · Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 85 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Radicle Relief 1: A Study of Health and Wellness Products on Pain and Other Health Outcomes

NCT05589935
View directory record Official record
Conditions
Pain, Nociceptive Pain, Neuropathic Pain
Interventions
Relief Study Product Usage
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
457 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Del Mar, California
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Use of PET/MR Imaging in Chronic Pain

NCT03195270
View directory record Official record
Conditions
Chronic Pain
Interventions
[18F]FDG, PET/MRI
Drug · Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2022
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Phase 2 Interventional

Testosterone Replacement to Alleviate Pain in Postmenopausal Women (TRAPP Trial)

NCT04895306
View directory record Official record
Conditions
Pain, Opioid Use, Androgen Deficiency, Back Pain
Interventions
Testosterone Cypionate, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Characterization of Pain Processing Mechanisms in Irritable Bowel Syndrome

NCT00100425
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Viceral Perception Testing
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 72 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2000
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Jul 22, 2026, 9:59 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Overlapping Pain Trajectory Study

NCT05752396
View directory record Official record
Conditions
Migraine, Musculoskeletal Pain, Functional Abdominal Pain Disorders, Chronic Pain, Widespread Chronic Pain, Low Back Pain, Healthy Volunteers
Interventions
Conditioned Pain Modulation, Offset Analgesia, Spatial Summation, Temporal Summation
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
10 Years to 19 Years
Enrollment
420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Not applicable Interventional

Complementary and Alternative Medicine (CAM) for Fibromyalgia

NCT02053090
View directory record Official record
Conditions
Fibromyalgia
Interventions
Group Education and Stretching, Group Acupuncture
Behavioral · Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 75 Years · Female only
Enrollment
431 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Jul 22, 2026, 9:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Four-week Breathing Interventions on Gut Symptoms, Heart Rate Variability, and Psychological Measures in Runners

NCT04592718
View directory record Official record
Conditions
Gastrointestinal System--Abnormalities, Anxiety, Visceral Pain
Interventions
Slow deep breathing plus breath counting, Normal-paced breathing plus breath counting
Behavioral
Lead sponsor
Old Dominion University
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 8, 2021 · Synced Jul 22, 2026, 9:59 AM EDT