Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 1, 2026, 2:51 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 116 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Capsaicin Clear all
Recruiting Phase 1 Interventional

Resiniferatoxin to Treat Severe Pain Associated With Advanced Cancer

NCT00804154
View directory record Official record
Conditions
Intractable Pain, Palliative Care
Interventions
Intrathecal Resiniferatoxin
Drug
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
18 Years to 99 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Normal Breathing and Swallowing in Healthy Volunteers

NCT03122145
View directory record Official record
Conditions
Healthy
Interventions
Capsaicin, Videofluoroscopic swallow study
Drug · Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Not applicable Interventional Results available

Chest Pain Perception and Capsaicin Sensitivity in Patients With Acute Cardiac Ischemia

NCT02346916
View directory record Official record
Conditions
Chest Pain
Interventions
Capsaicin
Drug
Lead sponsor
Bassett Healthcare
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Cooperstown, New York
Source: ClinicalTrials.gov public record
Updated Mar 3, 2021 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Phase 3 Interventional

Study of NGX-4010 for the Treatment of Painful HIV-Associated Neuropathy

NCT00064623
View directory record Official record
Conditions
HIV Infections, Peripheral Nervous System Diseases, Pain
Interventions
Capsaicin Dermal Patch
Drug
Lead sponsor
NeurogesX
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
35
States / cities
Phoenix, Arizona • Berkeley, California • San Diego, California + 29 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2008 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Alcohol-Pain Connection: Mechanisms and Genetic/Psychological Correlates

NCT03311594
View directory record Official record
Conditions
Pain, Alcohol Drinking, Acute Pain, Drinking Behavior
Interventions
Low Alcohol, Moderate Alcohol, Placebo Alcohol, Pain Induction, No Pain Induction
Drug · Other
Lead sponsor
Syracuse University
Other
Eligibility
21 Years to 64 Years
Enrollment
379 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Aug 16, 2022 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

CBD-Microglia PET Study

NCT04398719
View directory record Official record
Conditions
CBD, Healthy
Interventions
[11C]PBR28, Low-dose lipopolysaccharide, Intradermal Capsaicin
Radiation · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Phase 1 Interventional

The Effect of Ablation of Epidermal Nerve Fibers Using Capsaicin Cream

NCT01883102
View directory record Official record
Conditions
Pain
Interventions
Capsaicin 0.1%, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
39 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 20, 2013 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Phase 1Phase 2 Interventional

Phase I/II Randomized, Placebo-Controlled Study of Capsaicin for Interstitial Cystitis and Vulvar Vestibulitis

NCT00004316
View directory record Official record
Conditions
Interstitial Cystitis, Vulvar Diseases
Interventions
capsaicin, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older · Female only
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2007
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2025 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Cannabinoid Modulation of Pain

NCT01595620
View directory record Official record
Conditions
Pain
Interventions
Thermal, Electrical, Capsaicin, THC, Placebo
Other · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Clinical Adhesion Study Between ZTlido 1.8% and Three Over-the-counter External Analgesic Lidocaine-containing Patches

NCT05106400
View directory record Official record
Conditions
Healthy
Interventions
ZTlido (Lidocaine Topical System) 1.8%, Salonpas (Lidocaine Patch 4%), Aspercreme (Lidocaine Patch 4%), IcyHot (Lidocaine 4% + Menthol 1% Patch)
Drug
Lead sponsor
Scilex Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Dilworth, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Phase 2 Interventional

ALGRX 4975 After Total Knee Replacement

NCT00132392
View directory record Official record
Conditions
Arthroplasty, Replacement, Knee, Knee Injuries
Interventions
ALGRX 4975
Drug
Lead sponsor
AlgoRx Pharmaceuticals
Industry
Eligibility
35 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 19, 2006 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Capsimax Effect on Metabolic Rate, Satiety and Food Intake

NCT03489226
View directory record Official record
Conditions
Energy Metabolism, Eating, Hunger
Interventions
Capsimax, Placebo, Meal
Dietary Supplement · Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Sep 1, 2026, 2:51 PM EDT
Completed No phase listed Observational Results available

Airway Protective Mechanisms in PD (R01)

NCT03321019
View directory record Official record
Conditions
Parkinson Disease
Interventions
Capsaicin, Resistive respiratory loads, Event-related evoked potential using electroencephalography (EEG)., Fluoroscopic swallow evaluation
Drug · Device · Other + 1 more
Lead sponsor
University of Florida
Other
Eligibility
45 Years to 85 Years
Enrollment
119 participants
Timeline
2017 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Sep 1, 2026, 2:51 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Human Experimental Models of Pain (HEMP)

NCT07549490
View directory record Official record
Conditions
Acute Pain
Interventions
Placebo, Naproxen, Pregabalin
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Phase 2 Interventional

ALGRX 4975 in the Treatment of Patients With Morton's Neuroma

NCT00130962
View directory record Official record
Conditions
Neuroma
Interventions
ALGRX 4975
Drug
Lead sponsor
AlgoRx Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
2
States / cities
Owings Mills, Maryland • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 2, 2005 · Synced Sep 1, 2026, 2:51 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Salivary Interactions With Chemosensations

NCT03883880
View directory record Official record
Conditions
Diet, Food Choice, Taste
Interventions
Epigallocatechin gallate, Epigallocatechin gallate control, Linoleic acid, Linoleic acid control, Capsaicin solution, Capsaicin control
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 45 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Sep 1, 2026, 2:51 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Periganglionic Resiniferatoxin for the Treatment of Intractable Pain Due to Cancer-induced Bone Pain

NCT02522611
View directory record Official record
Conditions
Intractable Pain, Palliative Care
Interventions
Resiniferatoxin
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Early Phase 1 Interventional Results available

Assessment of Dystussia in Traumatic Brain Injury

NCT02240329
View directory record Official record
Conditions
TBI, Brain Injury
Interventions
Neuropsychological Testing and Measures of TBI severity, Respiratory measures, Capsaicin cough sensitivity testing
Behavioral · Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 27, 2015 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Influence of Capsaicin Gel During Exercise Within the Heat

NCT05298202
View directory record Official record
Conditions
Acute Exercise, Heat Exposure
Interventions
Capsaicin, Control Gel, Exercise, Hot environment
Biological · Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced Sep 1, 2026, 2:51 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Positron Emission Tomography to Measure Pain and Pain Control

NCT00001307
View directory record Official record
Conditions
Healthy, Hyperalgesia, Pain, Peripheral Nervous System Disease
Interventions
Oxygen-15 Water, Capsaicin
Drug
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
Not listed
Enrollment
273 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Cough and Swallow Rehab Following Stroke

NCT01907321
View directory record Official record
Conditions
Ischemic Stroke
Interventions
Expiratory muscle strength training, Placebo expiratory training, Measures performed on all subjects, Pulmonary function test, Fluoroscopic swallow study
Behavioral · Drug · Radiation
Lead sponsor
University of Florida
Other
Eligibility
50 Years to 85 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2017 · Synced Sep 1, 2026, 2:51 PM EDT
Recruiting Not applicable Interventional

Sequential and Comparative Evaluation of Pain Treatment Effectiveness Response

NCT04142177
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
Pain EASE, Tailored exercise, Continued Care and Active Monitoring, Cognitive Behavioral Therapy (CBT), Spinal Manipulation Therapy (SMT), Yoga
Other · Procedure · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
2,529 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
19
States / cities
Phoenix, Arizona • Loma Linda, California • Long Beach, California + 16 more
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 1, 2026, 2:51 PM EDT
Terminated Phase 2 Interventional

Efficacy and Safety Study of 4975 in Patients Undergoing Total Hip Replacement

NCT00683267
View directory record Official record
Conditions
Arthroplasty
Interventions
4975, highly purified capsaicin, Placebo
Drug
Lead sponsor
Anesiva, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
10
States / cities
Birmingham, Alabama • Arcadia, California • Glendale, California + 7 more
Source: ClinicalTrials.gov public record
Updated May 3, 2009 · Synced Sep 1, 2026, 2:51 PM EDT
Completed Phase 4 Interventional

Capsaicin for the Treatment of Cannabinoid Hyperemesis Syndrome

NCT04283292
View directory record Official record
Conditions
Cannabinoid Hyperemesis Syndrome
Interventions
Capsaicin, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 17, 2024 · Synced Sep 1, 2026, 2:51 PM EDT