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Showing 25–47 of 23 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Capsaicin control Clear all
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 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate Efficacy and Safety of a Single Application of Capsaicin 8%Transdermal Delivery System Compared to Placebo in Reducing Pain Intensity in Subjects With Painful Diabetic Peripheral Neuropathy (PDPN)

NCT01533428
View directory record Official record
Conditions
Diabetic Peripheral Neuropathy, Pain
Interventions
Capsaicin 8%, Placebo
Drug
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
18 Years and older
Enrollment
369 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
29
States / cities
Anniston, Alabama • Fresno, California • Long Beach, California + 24 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2015 · Synced Sep 16, 2026, 2:18 AM EDT
Completed Phase 2 Interventional

Study of NGX-1998 for the Treatment of Postherpetic Neuralgia

NCT01228838
View directory record Official record
Conditions
Postherpetic Neuralgia, Pain
Interventions
NGX-1998, Placebo Liquid
Drug
Lead sponsor
NeurogesX
Industry
Eligibility
18 Years to 90 Years
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
35
States / cities
Huntsville, Alabama • Tucson, Arizona • Irvine, California + 32 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2012 · Synced Sep 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Impact of Sex in the Effect of Dietary Capsaicin on Cardiovascular Health

NCT06363305
View directory record Official record
Conditions
Pre Hypertension, Hypertension
Interventions
Dietary capsules
Dietary Supplement
Lead sponsor
Skidmore College
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Saratoga Springs, New York
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Sep 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM EDT
Withdrawn Phase 2 Interventional

Trial to Evaluate the Efficacy of Topical Capsaicin to Reduce Pain and Improve Health-related Quality of Life in Adults With Chronic Myofascial Neck Pain

NCT00795106
View directory record Official record
Conditions
Myofascial Pain Syndrome
Interventions
Capsaicin, Placebo
Drug
Lead sponsor
Stamford Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Stamford, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Sep 16, 2026, 2:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Capsaicin 8% Patch for Spinal Cord Injury Neuropathic Pain

NCT02441660
View directory record Official record
Conditions
Spinal Cord Injuries, Neuropathic Pain
Interventions
Capsaicin 8% Patch, Low Dose Capsaicin 0.025% Well Patch
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 99 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Sep 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM 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 16, 2026, 2:18 AM EDT
Not yet recruiting Not applicable Interventional

Acute Effect of Capsimax on Resistance Exercise Performance, Muscle Oxygenation, Nitric Oxide Release, Resting Energy Expenditure and Reaction Time

NCT06612658
View directory record Official record
Conditions
None Volunteer
Interventions
A novel, proprietary encapsulated form of Capsicum extract in beadlet form standardized to 2% capsaicinoids
Dietary Supplement
Lead sponsor
Hofstra University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Hempstead, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Sep 16, 2026, 2:18 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability and Pharmacokinetics of Multiple Doses of AV-101 in Healthy Volunteers

NCT01483846
View directory record Official record
Conditions
Neuropathic Pain
Interventions
AV-101, Placebo
Drug
Lead sponsor
VistaGen Therapeutics, Inc.
Industry
Eligibility
21 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 19, 2012 · Synced Sep 16, 2026, 2:18 AM EDT
Completed Phase 4 Interventional Results available

Osteoarthritis Knee Pain Relief Study of 0.25% 920-CGS-200

NCT03124407
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
Capsaicin Topical Solution, Drug product vehicle
Drug · Other
Lead sponsor
Propella Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
3
States / cities
Clearwater, Florida • Tampa, Florida • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Sep 16, 2026, 2:18 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Fenobam on Heat/Capsaicin Induced Hyperalgesia in Healthy Volunteers

NCT01981395
View directory record Official record
Conditions
Hyperalgesia, Allodynia
Interventions
Fenobam, Placebo
Drug
Lead sponsor
Laura Cavallone
Other
Eligibility
18 Years to 50 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced Sep 16, 2026, 2:18 AM EDT