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Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Capsaicin control Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Reduction in Pain Intensity Following IV or Oral Pain-relieving Products

NCT02678416
View directory record Official record
Conditions
Pain
Interventions
IV Acetaminophen (Treatment A), Oral Acetaminophen (Treatment B), Placebo (Treatment C), Morphine (Treatment D)
Drug · Other
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Sep 5, 2026, 1:41 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 5, 2026, 1:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Cough According to Stimulus Type in PD

NCT02390089
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Capsaicin vapor, fog, Videofluoroscopic swallow evaluation, Nebulizer
Drug · Other · Radiation + 1 more
Lead sponsor
University of Florida
Other
Eligibility
50 Years to 80 Years
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 14, 2019 · Synced Sep 5, 2026, 1:41 PM EDT
Terminated Phase 3 Interventional Results available

Efficacy of Topical Capsaicin Cream for Stable Angina

NCT01231750
View directory record Official record
Conditions
Stable Angina
Interventions
Capsaicin, Placebo cream
Drug · Other
Lead sponsor
Neal Weintraub
Other
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 24, 2015 · Synced Sep 5, 2026, 1:41 PM EDT
Completed Phase 2 Interventional

Capsaicin to Control Pain Following Third Molar Extraction

NCT00008476
View directory record Official record
Conditions
Facial Pain
Interventions
Capsaicin
Drug
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
Not listed
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 5, 2026, 1:41 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 5, 2026, 1:41 PM EDT
Terminated Phase 3 Interventional

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

NCT00085761
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
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
2
States / cities
Sarasota, Florida • Annandale, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 5, 2008 · Synced Sep 5, 2026, 1:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of NGX-4010 on ENFD and Sensory Function

NCT00254449
View directory record Official record
Conditions
Human Volunteers
Interventions
NGX-4010
Drug
Lead sponsor
NeurogesX
Industry
Eligibility
18 Years to 40 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 15, 2009 · Synced Sep 5, 2026, 1:41 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Exploring Sympathetic Nervous System Function in Individuals With Down Syndrome

NCT07238465
View directory record Official record
Conditions
Down Syndrome, Autonomic Dysfunction
Interventions
Fear Response, Cold Stress, Pain Response, Caffeine, 12-Hour Fast, Maximal Dynamic Exercise
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 5, 2026, 1:41 PM EDT
Completed Phase 3 Interventional Results available

An Open-label, 8-week Safety, Efficacy, and Assessment of Cooling Methods for Administration of CNTX-4975-05 for Knee OA

NCT03661996
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
CNTX-4975-05, Lidocaine without epinephrine, ElastoGel, Breg Ice Water Pump
Drug · Device
Lead sponsor
Centrexion Therapeutics
Industry
Eligibility
40 Years to 95 Years
Enrollment
854 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
28
States / cities
Birmingham, Alabama • Peoria, Arizona • Tucson, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 5, 2026, 1:41 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 5, 2026, 1:41 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 5, 2026, 1:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy and Safety of a Nutraceutical Supplement With Standardized Botanicals in Peri-menopausal and Menopausal Women With Thinning Hair

NCT04048031
View directory record Official record
Conditions
Hair Thinning
Interventions
Nutrafol Supplement Capsules, Placebo Capsules
Dietary Supplement · Other
Lead sponsor
Ablon Skin Institute Research Center
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Manhattan Beach, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Sep 5, 2026, 1:41 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 5, 2026, 1:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Improving Diagnostic Standards in Dysphagia

NCT04773184
View directory record Official record
Conditions
Dysphagia
Interventions
Fiberoptic Endoscopic Evaluation of Swallowing, Videofluoroscopic Swallowing Study, Voluntary Peak Cough Flow Testing, Iowa Oral Performance Instrument, Capsaicin Challenge, Pulmonary Function Testing, Voicing Tasks
Procedure · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Sep 5, 2026, 1:41 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 5, 2026, 1:41 PM EDT
Completed Phase 2 Interventional

Pilot Study of High-Dose Capsaicin Patches to Treat Postherpetic Neuralgia Pain

NCT00034710
View directory record Official record
Conditions
Neuralgia, Pain, Peripheral Nervous System Diseases, Herpes Zoster
Interventions
Capsaicin Patch
Drug
Lead sponsor
NeurogesX
Industry
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002
U.S. locations
8
States / cities
Phoenix, Arizona • Tucson, Arizona • Naples, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2006 · Synced Sep 5, 2026, 1:41 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 5, 2026, 1:41 PM EDT
Completed Phase 3 Interventional

Controlled Study of NGX-4010 for the Treatment of Postherpetic Neuralgia

NCT00068081
View directory record Official record
Conditions
Herpes Zoster, Neuralgia, Pain, Peripheral Nervous System Diseases
Interventions
Capsaicin Dermal Patch
Drug
Lead sponsor
NeurogesX
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
19
States / cities
Mesa, Arizona • Peoria, Arizona • Phoenix, Arizona + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2008 · Synced Sep 5, 2026, 1:41 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 5, 2026, 1:41 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 5, 2026, 1:41 PM EDT
Completed Phase 2Phase 3 Interventional

NGX-4010 for the Treatment of Postherpetic Neuralgia

NCT00061776
View directory record Official record
Conditions
Herpes Zoster, Neuralgia, Pain, Peripheral Nervous System Diseases, Shingles
Interventions
Capsaicin Dermal Patch
Drug
Lead sponsor
NeurogesX
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
28
States / cities
Huntsville, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2008 · Synced Sep 5, 2026, 1:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Spinal and Supra-Spinal Pain Mechanisms in Patients With Fibromyalgia

NCT03464292
View directory record Official record
Conditions
Fibromyalgia, Pain
Interventions
Capsaicin Patch 8% or 0.1% Capsaicin Cream, Vehicle Patch
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Sep 5, 2026, 1:41 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 5, 2026, 1:41 PM EDT