{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Capsaicin&page=2",
    "query": {
      "intervention": "Capsaicin",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Capsaicin&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-01T20:43:21.973Z",
  "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": "NCT00132392",
      "title": "ALGRX 4975 After Total Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Knee",
        "Knee Injuries"
      ],
      "interventions": [
        {
          "name": "ALGRX 4975",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AlgoRx Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "35 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2005-07",
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2006-12-20",
      "last_synced_at": "2026-09-01T20:43:21.973Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00132392"
    },
    {
      "nct_id": "NCT03489226",
      "title": "Capsimax Effect on Metabolic Rate, Satiety and Food Intake",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Energy Metabolism",
        "Eating",
        "Hunger"
      ],
      "interventions": [
        {
          "name": "Capsimax",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Meal",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 24,
      "start_date": "2016-05-02",
      "completion_date": "2017-07-12",
      "has_results": false,
      "last_update_posted_date": "2018-08-31",
      "last_synced_at": "2026-09-01T20:43:21.973Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03489226"
    },
    {
      "nct_id": "NCT03321019",
      "title": "Airway Protective Mechanisms in PD (R01)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Capsaicin",
          "type": "DRUG"
        },
        {
          "name": "Resistive respiratory loads",
          "type": "DEVICE"
        },
        {
          "name": "Event-related evoked potential using electroencephalography (EEG).",
          "type": "OTHER"
        },
        {
          "name": "Fluoroscopic swallow evaluation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "45 Years to 85 Years"
      },
      "enrollment_count": 119,
      "start_date": "2017-12-12",
      "completion_date": "2023-09-29",
      "has_results": true,
      "last_update_posted_date": "2024-10-10",
      "last_synced_at": "2026-09-01T20:43:21.973Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03321019"
    },
    {
      "nct_id": "NCT07549490",
      "title": "Human Experimental Models of Pain (HEMP)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Naproxen",
          "type": "DRUG"
        },
        {
          "name": "Pregabalin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 25,
      "start_date": "2026-09-06",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-01T20:43:21.973Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07549490"
    },
    {
      "nct_id": "NCT00130962",
      "title": "ALGRX 4975 in the Treatment of Patients With Morton's Neuroma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neuroma"
      ],
      "interventions": [
        {
          "name": "ALGRX 4975",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AlgoRx Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2004-09",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2005-10-03",
      "last_synced_at": "2026-09-01T20:43:21.973Z",
      "location_count": 2,
      "location_summary": "Owings Mills, Maryland • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Owings Mills",
          "state": "Maryland"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00130962"
    },
    {
      "nct_id": "NCT03883880",
      "title": "Salivary Interactions With Chemosensations",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diet, Food Choice, Taste"
      ],
      "interventions": [
        {
          "name": "Epigallocatechin gallate",
          "type": "OTHER"
        },
        {
          "name": "Epigallocatechin gallate control",
          "type": "OTHER"
        },
        {
          "name": "Linoleic acid",
          "type": "OTHER"
        },
        {
          "name": "Linoleic acid control",
          "type": "OTHER"
        },
        {
          "name": "Capsaicin solution",
          "type": "OTHER"
        },
        {
          "name": "Capsaicin control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 32,
      "start_date": "2019-01-05",
      "completion_date": "2021-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-05-25",
      "last_synced_at": "2026-09-01T20:43:21.973Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03883880"
    },
    {
      "nct_id": "NCT02522611",
      "title": "Periganglionic Resiniferatoxin for the Treatment of Intractable Pain Due to Cancer-induced Bone Pain",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Intractable Pain",
        "Palliative Care"
      ],
      "interventions": [
        {
          "name": "Resiniferatoxin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 30,
      "start_date": "2026-08-27",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-01T20:43:21.973Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02522611"
    },
    {
      "nct_id": "NCT02240329",
      "title": "Assessment of Dystussia in Traumatic Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "TBI",
        "Brain Injury"
      ],
      "interventions": [
        {
          "name": "Neuropsychological Testing and Measures of TBI severity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Respiratory measures",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Capsaicin cough sensitivity testing",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 4,
      "start_date": "2013-03",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2015-10-28",
      "last_synced_at": "2026-09-01T20:43:21.973Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02240329"
    },
    {
      "nct_id": "NCT05298202",
      "title": "The Influence of Capsaicin Gel During Exercise Within the Heat",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Exercise",
        "Heat Exposure"
      ],
      "interventions": [
        {
          "name": "Capsaicin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control Gel",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Exercise",
          "type": "OTHER"
        },
        {
          "name": "Hot environment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "19 Years to 45 Years"
      },
      "enrollment_count": 12,
      "start_date": "2022-05-25",
      "completion_date": "2022-10-01",
      "has_results": true,
      "last_update_posted_date": "2024-03-15",
      "last_synced_at": "2026-09-01T20:43:21.973Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05298202"
    },
    {
      "nct_id": "NCT00001307",
      "title": "Positron Emission Tomography to Measure Pain and Pain Control",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Hyperalgesia",
        "Pain",
        "Peripheral Nervous System Disease"
      ],
      "interventions": [
        {
          "name": "Oxygen-15 Water",
          "type": "DRUG"
        },
        {
          "name": "Capsaicin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Dental and Craniofacial Research (NIDCR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 273,
      "start_date": "1992-08",
      "completion_date": "2005-08",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-01T20:43:21.973Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001307"
    }
  ]
}