{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Capsaicin&page=5",
    "query": {
      "intervention": "Capsaicin",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 116,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Capsaicin&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Capsaicin&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T12:58:16.447Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT03110809",
      "title": "The Effects of Capsinoids on Brown Adipose Tissue Activation in Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Capsinoid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 19,
      "start_date": "2017-04-17",
      "completion_date": "2021-08-13",
      "has_results": false,
      "last_update_posted_date": "2021-12-14",
      "last_synced_at": "2026-10-17T12:58:16.447Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03110809"
    },
    {
      "nct_id": "NCT02493257",
      "title": "Intranasal Capsaicin Treatment for Non-Allergic Irritant Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nonallergic Irritant Rhinitis"
      ],
      "interventions": [
        {
          "name": "Capsaicin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 22,
      "start_date": "2014-10",
      "completion_date": "2019-08-02",
      "has_results": true,
      "last_update_posted_date": "2020-08-17",
      "last_synced_at": "2026-10-17T12:58:16.447Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02493257"
    },
    {
      "nct_id": "NCT00061152",
      "title": "Pilot Study of High-Concentration Capsaicin Patches in the Treatment of Painful HIV-Associated Neuropathy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Capsaicin Dermal Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NeurogesX",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2007-09-14",
      "last_synced_at": "2026-10-17T12:58:16.447Z",
      "location_count": 3,
      "location_summary": "West Hollywood, California • New York, New York • Portland, Oregon",
      "locations": [
        {
          "city": "West Hollywood",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00061152"
    },
    {
      "nct_id": "NCT04972123",
      "title": "The Effect of CPC on Aborting Tilt Induced Syncope in Patients With a History of Vasovagal Syncope or Near Syncope",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Syncope, Vasovagal"
      ],
      "interventions": [
        {
          "name": "CPC - Capsaicin, Phenylephrine, Caffeine",
          "type": "DRUG"
        },
        {
          "name": "Tilt Table Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 143,
      "start_date": "2021-07-20",
      "completion_date": "2023-08-31",
      "has_results": true,
      "last_update_posted_date": "2024-07-17",
      "last_synced_at": "2026-10-17T12:58:16.447Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04972123"
    },
    {
      "nct_id": "NCT00176969",
      "title": "Response of Topical Capsaicin in Alopecia Areata",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "Capsaicin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 24,
      "start_date": "1997-08",
      "completion_date": "2000-06",
      "has_results": false,
      "last_update_posted_date": "2014-06-02",
      "last_synced_at": "2026-10-17T12:58:16.447Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00176969"
    },
    {
      "nct_id": "NCT02962050",
      "title": "Delineating Swallowing Impairment and Decline in ALS",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amyotrophic Lateral Sclerosis"
      ],
      "interventions": [
        {
          "name": "Videofluoroscopic Swallowing Study (VFSS)",
          "type": "PROCEDURE"
        },
        {
          "name": "Voluntary Peak Cough Flow Testing",
          "type": "DEVICE"
        },
        {
          "name": "Iowa Oral Performance Instrument",
          "type": "DEVICE"
        },
        {
          "name": "Capsaicin Challenge",
          "type": "DRUG"
        },
        {
          "name": "Pulmonary Function Testing",
          "type": "DEVICE"
        },
        {
          "name": "Eating Assessment Tool 10",
          "type": "OTHER"
        },
        {
          "name": "The Center for Neurologic Study Bulbar Function Scale",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 109,
      "start_date": "2017-05-31",
      "completion_date": "2023-02-16",
      "has_results": false,
      "last_update_posted_date": "2023-02-23",
      "last_synced_at": "2026-10-17T12:58:16.447Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida • Tampa, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02962050"
    },
    {
      "nct_id": "NCT01483846",
      "title": "Safety, Tolerability and Pharmacokinetics of Multiple Doses of AV-101 in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuropathic Pain"
      ],
      "interventions": [
        {
          "name": "AV-101",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VistaGen Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 50,
      "start_date": "2011-12",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2012-12-20",
      "last_synced_at": "2026-10-17T12:58:16.447Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01483846"
    },
    {
      "nct_id": "NCT01228838",
      "title": "Study of NGX-1998 for the Treatment of Postherpetic Neuralgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postherpetic Neuralgia",
        "Pain"
      ],
      "interventions": [
        {
          "name": "NGX-1998",
          "type": "DRUG"
        },
        {
          "name": "Placebo Liquid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NeurogesX",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 183,
      "start_date": "2010-10",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2012-09-10",
      "last_synced_at": "2026-10-17T12:58:16.447Z",
      "location_count": 35,
      "location_summary": "Huntsville, Alabama • Tucson, Arizona • Irvine, California + 32 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Napa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01228838"
    },
    {
      "nct_id": "NCT01231750",
      "title": "Efficacy of Topical Capsaicin Cream for Stable Angina",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Stable Angina"
      ],
      "interventions": [
        {
          "name": "Capsaicin",
          "type": "DRUG"
        },
        {
          "name": "Placebo cream",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Neal Weintraub",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 7,
      "start_date": "2010-10",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2015-06-25",
      "last_synced_at": "2026-10-17T12:58:16.447Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01231750"
    },
    {
      "nct_id": "NCT03576508",
      "title": "A Study to Compare Levels of Capsaicin After Intra-Articular Injection and Topical Application in Patients With Painful Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "CNTX-4975-05",
          "type": "DRUG"
        },
        {
          "name": "Qutenza",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine (without epinephrine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Centrexion Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 16,
      "start_date": "2018-06-25",
      "completion_date": "2018-09-06",
      "has_results": false,
      "last_update_posted_date": "2018-11-14",
      "last_synced_at": "2026-10-17T12:58:16.447Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03576508"
    }
  ]
}