{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=32",
    "query": {
      "intervention": "Single Dose Placebo",
      "page": 32
    },
    "page_size": 10
  },
  "pagination": {
    "page": 32,
    "page_size": 10,
    "total_count": 4628,
    "total_pages": 463,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=33&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=31&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T18:19:56.631Z",
  "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": "NCT02710669",
      "title": "New Formulations of Propafenone to Treat Atrial Fibrillation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "(R)-propafenone",
          "type": "DRUG"
        },
        {
          "name": "(S)-Propafenone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 193,
      "start_date": "2016-10",
      "completion_date": "2020-04",
      "has_results": true,
      "last_update_posted_date": "2022-06-03",
      "last_synced_at": "2026-11-15T18:19:56.631Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02710669"
    },
    {
      "nct_id": "NCT00822523",
      "title": "Assessment of the Effect of Botulinum Toxin in Extensor Digitorum Brevis Via Strain Gauge and Nerve Conduction Studies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Strength",
        "Botulinum Toxins, Type A"
      ],
      "interventions": [
        {
          "name": "Botulinum Toxin, Type A",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "54 Years",
        "sex": "ALL",
        "summary": "18 Years to 54 Years"
      },
      "enrollment_count": 13,
      "start_date": "2009-01",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2018-09-05",
      "last_synced_at": "2026-11-15T18:19:56.631Z",
      "location_count": 2,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00822523"
    },
    {
      "nct_id": "NCT06245902",
      "title": "An Acute Migraine Factorial Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Migraine With or Without Aura"
      ],
      "interventions": [
        {
          "name": "Naltrexone and Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone and Acetaminophen-High Dose",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone Alone (regular dose)",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen Alone",
          "type": "DRUG"
        },
        {
          "name": "Matching Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allodynic Therapeutics, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2017-02-18",
      "completion_date": "2018-02-08",
      "has_results": false,
      "last_update_posted_date": "2024-02-07",
      "last_synced_at": "2026-11-15T18:19:56.631Z",
      "location_count": 1,
      "location_summary": "North Miami, Florida",
      "locations": [
        {
          "city": "North Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06245902"
    },
    {
      "nct_id": "NCT01189812",
      "title": "Safety and Efficacy Study of Citalopram and Lithium for the Treatment of Depressive Mood Disorder Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder",
        "Dysthymia",
        "Depression Not Otherwise Specified",
        "Borderline Personality Disorder"
      ],
      "interventions": [
        {
          "name": "Lithium Carbonate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Citalopram",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia Northwest Pharmaceuticals",
      "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": 80,
      "start_date": "2010-03",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2011-08-24",
      "last_synced_at": "2026-11-15T18:19:56.631Z",
      "location_count": 2,
      "location_summary": "San Diego, California • Bellevue, Washington",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Bellevue",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01189812"
    },
    {
      "nct_id": "NCT03502707",
      "title": "A Study to Evaluate the Safety and Immunogenicity for Regimen Selection of Ad26.RSV.preF and/or RSV preF Protein Combinations Followed by Expanded Safety Evaluation in Adults Aged 60 Years and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV preF Protein 50 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV preF Protein 150 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ad26.RSV.preF 1*10^11 vp",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Mixture of Ad26.RSV.preF 5*10^10 vp Plus RSV preF Protein 50 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Mixture of Ad26.RSV.preF 5*10^10 vp Plus RSV preF Protein 150 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Mixture of Ad26.RSV.preF 1*10^11 vp Plus RSV preF Protein 50 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Mixture of Ad26.RSV.preF 1*10^11 vp Plus RSV preF Protein 150 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Selected Regimen",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Janssen Vaccines & Prevention B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 669,
      "start_date": "2018-07-06",
      "completion_date": "2022-05-16",
      "has_results": true,
      "last_update_posted_date": "2025-05-25",
      "last_synced_at": "2026-11-15T18:19:56.631Z",
      "location_count": 6,
      "location_summary": "Huntsville, Alabama • San Diego, California • Melbourne, Florida + 3 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03502707"
    },
    {
      "nct_id": "NCT03137992",
      "title": "Clinical Endpoint Bioequivalence Study of Test and Reference Inhalation Products in Patients With COPD With Device Robustness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Test Product (tiotropium bromide inhalation powder)",
          "type": "DRUG"
        },
        {
          "name": "Reference Product (Spiriva®)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lupin, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 377,
      "start_date": "2017-11-21",
      "completion_date": "2018-04-30",
      "has_results": true,
      "last_update_posted_date": "2021-04-05",
      "last_synced_at": "2026-11-15T18:19:56.631Z",
      "location_count": 34,
      "location_summary": "Andalusia, Alabama • Jasper, Alabama • Glendale, Arizona + 28 more",
      "locations": [
        {
          "city": "Andalusia",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03137992"
    },
    {
      "nct_id": "NCT07434492",
      "title": "Smart AFO and 5-Azacitidine to Enhance Mobility in Children With Cerebral Palsy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cerebral Palsy"
      ],
      "interventions": [
        {
          "name": "Smart Ankle-Foot Orthosis",
          "type": "DEVICE"
        },
        {
          "name": "5-Azacitidine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Shirley Ryan AbilityLab",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 60,
      "start_date": "2026-05-28",
      "completion_date": "2030-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-11-15T18:19:56.631Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07434492"
    },
    {
      "nct_id": "NCT02561000",
      "title": "Safety of PZ-128 in Subjects Undergoing Non-Emergent Percutaneous Coronary Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Arterial Occlusive Diseases",
        "Coronary Artery Disease",
        "Coronary Disease",
        "Arteriosclerosis",
        "Heart Diseases",
        "Myocardial Ischemia",
        "Vascular Diseases",
        "Acute Coronary Syndrome"
      ],
      "interventions": [
        {
          "name": "PZ-128",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2016-05-27",
      "completion_date": "2019-09-17",
      "has_results": true,
      "last_update_posted_date": "2025-04-16",
      "last_synced_at": "2026-11-15T18:19:56.631Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Worcester, Massachusetts • Falls Church, Virginia",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "Falls Church",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02561000"
    },
    {
      "nct_id": "NCT01390545",
      "title": "VELVET, a Dose Range Finding Trial of Veltuzumab in Subjects With Moderate to Severe Rheumatoid Arthritis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Veltuzumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2011-08",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2016-04-13",
      "last_synced_at": "2026-11-15T18:19:56.631Z",
      "location_count": 8,
      "location_summary": "La Mesa, California • Los Angeles, California • Upland, California + 5 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01390545"
    },
    {
      "nct_id": "NCT00825500",
      "title": "Staccato Loxapine in Migraine (Out Patient)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Migraine Headache"
      ],
      "interventions": [
        {
          "name": "Inhaled Placebo",
          "type": "DRUG"
        },
        {
          "name": "Inhaled Loxapine 1.25 mg",
          "type": "DRUG"
        },
        {
          "name": "Inhaled Loxapine 2.5 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexza Pharmaceuticals, Inc.",
      "sponsor_class": "UNKNOWN",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 366,
      "start_date": "2009-01",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2017-04-24",
      "last_synced_at": "2026-11-15T18:19:56.631Z",
      "location_count": 3,
      "location_summary": "Springfield, Missouri • Mount Vernon, New York • East Providence, Rhode Island",
      "locations": [
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "Mount Vernon",
          "state": "New York"
        },
        {
          "city": "East Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00825500"
    }
  ]
}