{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+dose+Placebo",
    "query": {
      "intervention": "High dose Placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 2032,
    "total_pages": 204,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+dose+Placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T03:13:31.752Z",
  "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": "NCT01747213",
      "title": "Bisnorcymserine in Healthy Adult Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "BNC",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute on Aging (NIA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2013-01-29",
      "completion_date": "2019-01-08",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-09-25T03:13:31.752Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01747213"
    },
    {
      "nct_id": "NCT05838274",
      "title": "Acute Alcohol Response In Bipolar Disorder: a Longitudinal Alcohol Administration/fMRI Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Alcohol Drinking",
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "Alcohol vs. Placebo beverage conditions",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "21 Years to 26 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-07-11",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-12",
      "last_synced_at": "2026-09-25T03:13:31.752Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05838274"
    },
    {
      "nct_id": "NCT05212818",
      "title": "Evaluate the Efficacy and Safety of TF0023 in Treatments for COVID-19 in Hospitalized Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19 Pneumonia"
      ],
      "interventions": [
        {
          "name": "TF0023",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Techfields Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2022-05-10",
      "completion_date": "2023-03-08",
      "has_results": false,
      "last_update_posted_date": "2024-01-08",
      "last_synced_at": "2026-09-25T03:13:31.752Z",
      "location_count": 3,
      "location_summary": "Gaithersburg, Maryland • Teaneck, New Jersey • The Bronx, New York",
      "locations": [
        {
          "city": "Gaithersburg",
          "state": "Maryland"
        },
        {
          "city": "Teaneck",
          "state": "New Jersey"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05212818"
    },
    {
      "nct_id": "NCT02981173",
      "title": "Psilocybin for the Treatment of Cluster Headache",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cluster Headache"
      ],
      "interventions": [
        {
          "name": "0.143 mg/kg Psilocybin or 10 mg Psilocybin",
          "type": "DRUG"
        },
        {
          "name": "0.0143 mg/kg Psilocybin or 1 mg Psilocybin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 25,
      "start_date": "2016-12-05",
      "completion_date": "2022-10-21",
      "has_results": false,
      "last_update_posted_date": "2023-12-15",
      "last_synced_at": "2026-09-25T03:13:31.752Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02981173"
    },
    {
      "nct_id": "NCT06077669",
      "title": "Multimodal Brain Imaging of Methylphenidate in Children and Adolescents With ADHD",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Years to 18 Years"
      },
      "enrollment_count": 0,
      "start_date": "2024-04-16",
      "completion_date": "2029-01",
      "has_results": false,
      "last_update_posted_date": "2024-03-15",
      "last_synced_at": "2026-09-25T03:13:31.752Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06077669"
    },
    {
      "nct_id": "NCT03790618",
      "title": "Effect of Stimulant Drugs on Social Perception",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy",
        "MDMA ('Ecstasy')"
      ],
      "interventions": [
        {
          "name": "3,4-Methylenedioxymethamphetamine",
          "type": "DRUG"
        },
        {
          "name": "methamphetamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 36,
      "start_date": "2016-06-01",
      "completion_date": "2018-08-01",
      "has_results": true,
      "last_update_posted_date": "2024-01-05",
      "last_synced_at": "2026-09-25T03:13:31.752Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03790618"
    },
    {
      "nct_id": "NCT01634113",
      "title": "Evaluation of Tiotropium 2.5 and 5 mcg Once Daily Delivered Via the Respimat® Inhaler Compared to Placebo in 1 to 5 Year Old Patients With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "tiotropium-bromide",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "1 Year to 5 Years"
      },
      "enrollment_count": 102,
      "start_date": "2012-07",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2015-06-23",
      "last_synced_at": "2026-09-25T03:13:31.752Z",
      "location_count": 4,
      "location_summary": "Columbia, Missouri • Oklahoma City, Oklahoma • Charleston, South Carolina + 1 more",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Summerville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01634113"
    },
    {
      "nct_id": "NCT00683267",
      "title": "Efficacy and Safety Study of 4975 in Patients Undergoing Total Hip Replacement",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Arthroplasty"
      ],
      "interventions": [
        {
          "name": "4975, highly purified capsaicin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Anesiva, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 118,
      "start_date": "2007-09",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2009-05-04",
      "last_synced_at": "2026-09-25T03:13:31.752Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Arcadia, California • Glendale, California + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00683267"
    },
    {
      "nct_id": "NCT06991257",
      "title": "A Study to Learn About the Study Medicine Called PF-07328948 in Adults With Heart Failure (BRANCH-HF)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Low Dose PF-07328948",
          "type": "DRUG"
        },
        {
          "name": "Medium Dose PF-07328948",
          "type": "DRUG"
        },
        {
          "name": "High Dose PF-07328948",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 620,
      "start_date": "2025-06-19",
      "completion_date": "2027-12-14",
      "has_results": false,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-09-25T03:13:31.752Z",
      "location_count": 28,
      "location_summary": "Beverly Hills, California • Lake Forest, California • Santa Maria, California + 17 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Lake Forest",
          "state": "California"
        },
        {
          "city": "Santa Maria",
          "state": "California"
        },
        {
          "city": "Santa Maria",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06991257"
    },
    {
      "nct_id": "NCT00962065",
      "title": "Study of LX4211 in Subjects With Type 2 Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "LX4211 Low Dose",
          "type": "DRUG"
        },
        {
          "name": "LX4211 High Dose",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lexicon Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 36,
      "start_date": "2009-08",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2011-03-03",
      "last_synced_at": "2026-09-25T03:13:31.752Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00962065"
    }
  ]
}