{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=34",
    "query": {
      "intervention": "Single Dose Placebo",
      "page": 34
    },
    "page_size": 10
  },
  "pagination": {
    "page": 34,
    "page_size": 10,
    "total_count": 4628,
    "total_pages": 463,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=35&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=33&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T18:38:41.143Z",
  "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": "NCT07088822",
      "title": "A Phase 1 Study Evaluating the Safety, Tolerability, and Immunogenicity of V4020 Vaccine in Healthy Volunteers",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Venezuelan Equine Encephalitis",
        "Venezuelan Equine Encephalitis Virus Infection"
      ],
      "interventions": [
        {
          "name": "V4020",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Medigen, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 39,
      "start_date": "2025-08-15",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-28",
      "last_synced_at": "2026-11-15T18:38:41.143Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07088822"
    },
    {
      "nct_id": "NCT03899402",
      "title": "Triple Therapy in T1DM",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Type 1 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Insulin",
          "type": "DRUG"
        },
        {
          "name": "Semaglutide",
          "type": "DRUG"
        },
        {
          "name": "Dapagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Dapagliflozin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 78,
      "start_date": "2019-05-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-11-15T18:38:41.143Z",
      "location_count": 1,
      "location_summary": "Williamsville, New York",
      "locations": [
        {
          "city": "Williamsville",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03899402"
    },
    {
      "nct_id": "NCT01160822",
      "title": "To Determine the Safety, Tolerability, Pharmacokinetics and Effect on Pain of a Single Intra-articular Administration of Canakinumab in Patients With Osteoarthritis in the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Canakinumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo to canakinumab",
          "type": "DRUG"
        },
        {
          "name": "Naproxen",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Naproxen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 169,
      "start_date": "2010-04",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2012-10-30",
      "last_synced_at": "2026-11-15T18:38:41.143Z",
      "location_count": 8,
      "location_summary": "Anniston, Alabama • Mesa, Arizona • San Diego, California + 5 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Westlake Village",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01160822"
    },
    {
      "nct_id": "NCT01981395",
      "title": "Fenobam on Heat/Capsaicin Induced Hyperalgesia in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hyperalgesia",
        "Allodynia"
      ],
      "interventions": [
        {
          "name": "Fenobam",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Laura Cavallone",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 33,
      "start_date": "2014-01",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-04-29",
      "last_synced_at": "2026-11-15T18:38:41.143Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01981395"
    },
    {
      "nct_id": "NCT00319501",
      "title": "Efficacy and Safety of Diazepam in the Management of Refractory Epilepsy in Selected Patients Who Require Intermittent Medical Intervention for Acute Repetitive Seizures.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seizures",
        "Epilepsies, Partial",
        "Epilepsy, Complex Partial",
        "Epilepsy, Generalized",
        "Epilepsy"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Vanquix Auto-Injector (Diazepam Injection)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 234,
      "start_date": "2006-01",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2016-09-23",
      "last_synced_at": "2026-11-15T18:38:41.143Z",
      "location_count": 86,
      "location_summary": "Northport, Alabama • Little Rock, Arkansas • Irvine, California + 44 more",
      "locations": [
        {
          "city": "Northport",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00319501"
    },
    {
      "nct_id": "NCT07504601",
      "title": "Investigating the Analgesic Potential of (2R,6R)-HNK in Acute Pain in Healthy Volunteers",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "(2R,6R)-Hydroxynorketamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 92,
      "start_date": "2026-11-18",
      "completion_date": "2031-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-11-13",
      "last_synced_at": "2026-11-15T18:38:41.143Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07504601"
    },
    {
      "nct_id": "NCT03610581",
      "title": "Safety, Reactogenicity and Immunogenicity of Adenovirus Serotype 26 (Ad26)- and Modified Vaccinia Ankara (MVA)-Vectored Vaccine Components in Otherwise Healthy Women With HPV16 or HPV18 Infection of the Cervix",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Human Papillomavirus Infections"
      ],
      "interventions": [
        {
          "name": "Ad26.HPV16",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ad26.HPV18",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MVA.HPV16/18",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Janssen Vaccines & Prevention B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 9,
      "start_date": "2018-09-27",
      "completion_date": "2020-10-15",
      "has_results": true,
      "last_update_posted_date": "2025-02-04",
      "last_synced_at": "2026-11-15T18:38:41.143Z",
      "location_count": 11,
      "location_summary": "Doral, Florida • Fort Myers, Florida • Miami, Florida + 8 more",
      "locations": [
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03610581"
    },
    {
      "nct_id": "NCT02998151",
      "title": "Neurophysiological and Acute Pharmacological Studies in FXS Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Fragile X Syndrome"
      ],
      "interventions": [
        {
          "name": "Acamprosate",
          "type": "DRUG"
        },
        {
          "name": "Lovastatin",
          "type": "DRUG"
        },
        {
          "name": "Minocycline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Baclofen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "15 Years to 55 Years"
      },
      "enrollment_count": 29,
      "start_date": "2016-01",
      "completion_date": "2020-11",
      "has_results": true,
      "last_update_posted_date": "2021-11-26",
      "last_synced_at": "2026-11-15T18:38:41.143Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02998151"
    },
    {
      "nct_id": "NCT04673357",
      "title": "A Study of Ustekinumab in Pediatric Participants With Moderately to Severely Active Crohn's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Crohn Disease"
      ],
      "interventions": [
        {
          "name": "Ustekinumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 101,
      "start_date": "2021-04-06",
      "completion_date": "2025-03-03",
      "has_results": true,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-11-15T18:38:41.143Z",
      "location_count": 9,
      "location_summary": "Wilmington, Delaware • Atlanta, Georgia • Rochester, Minnesota + 6 more",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Morristown",
          "state": "New Jersey"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04673357"
    },
    {
      "nct_id": "NCT00635622",
      "title": "Safety and Efficacy Study of Lactobacillus Administered Vaginally in Women With Bacterial Vaginosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bacterial Vaginosis"
      ],
      "interventions": [
        {
          "name": "LACTIN-V",
          "type": "DRUG"
        },
        {
          "name": "Placebo control substance",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Osel, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2008-04",
      "completion_date": "2009-01",
      "has_results": false,
      "last_update_posted_date": "2009-07-10",
      "last_synced_at": "2026-11-15T18:38:41.143Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00635622"
    }
  ]
}