{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=5",
    "query": {
      "intervention": "Single Dose Placebo",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 4628,
    "total_pages": 463,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T09:00:53.831Z",
  "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": "NCT04840914",
      "title": "A Study of LY3461767 in Participants With Chronic Heart Failure With Reduced Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "LY3461767",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 44,
      "start_date": "2021-06-01",
      "completion_date": "2024-05-09",
      "has_results": false,
      "last_update_posted_date": "2024-05-30",
      "last_synced_at": "2026-11-15T09:00:53.831Z",
      "location_count": 3,
      "location_summary": "Detroit, Michigan • St Louis, Missouri • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04840914"
    },
    {
      "nct_id": "NCT06613685",
      "title": "Study of Oral Weekly GS-1720 and GS-4182 Compared With Biktarvy in People With HIV-1 Who Have Not Been Treated",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "HIV-1-infection"
      ],
      "interventions": [
        {
          "name": "lepetegravir",
          "type": "DRUG"
        },
        {
          "name": "lenacapavir pacfosacil",
          "type": "DRUG"
        },
        {
          "name": "Bictegravir/emtricitabine/tenofovir alafenamide",
          "type": "DRUG"
        },
        {
          "name": "lepetegravir/lenacapavir pacfosacil FDC",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Match BVY",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Match GS1720/GS-4182 FDC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2024-10-21",
      "completion_date": "2026-03-16",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-11-15T09:00:53.831Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Torrance, California • West Hollywood, California + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "West Hollywood",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06613685"
    },
    {
      "nct_id": "NCT05238025",
      "title": "MVA-BN-RSV Vaccine Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "MVA-BN-RSV vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tris Buffered Saline (TBS)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bavarian Nordic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 20419,
      "start_date": "2022-04-19",
      "completion_date": "2023-09-01",
      "has_results": true,
      "last_update_posted_date": "2024-10-31",
      "last_synced_at": "2026-11-15T09:00:53.831Z",
      "location_count": 105,
      "location_summary": "Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 86 more",
      "locations": [
        {
          "city": "Athens",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05238025"
    },
    {
      "nct_id": "NCT07500506",
      "title": "A Study to Learn About the Safety, Tolerability, and Immunogenicity of a Fifth Dose of 6-Valent OspA-Based Lyme Disease Vaccine",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Lyme Disease"
      ],
      "interventions": [
        {
          "name": "VLA15",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 1712,
      "start_date": "2026-04-08",
      "completion_date": "2026-12-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-11-15T09:00:53.831Z",
      "location_count": 19,
      "location_summary": "Bangor, Maine • Worcester, Massachusetts • Flemington, New Jersey + 13 more",
      "locations": [
        {
          "city": "Bangor",
          "state": "Maine"
        },
        {
          "city": "Bangor",
          "state": "Maine"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "Flemington",
          "state": "New Jersey"
        },
        {
          "city": "Cortland",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07500506"
    },
    {
      "nct_id": "NCT01162889",
      "title": "Study To Assess The Safety And Tolerability Of Increasing Single Doses Of ATR-107 (PF-05230900) In Healthy People",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Placebo SC Injection",
          "type": "DRUG"
        },
        {
          "name": "ATR-107 (PF-05230900) SC Injection",
          "type": "DRUG"
        },
        {
          "name": "ATR-107 (PF-05230900) IV Infusion",
          "type": "DRUG"
        },
        {
          "name": "Placebo IV Infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 70,
      "start_date": "2010-06",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-03-15",
      "last_synced_at": "2026-11-15T09:00:53.831Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut • Overland Park, Kansas",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01162889"
    },
    {
      "nct_id": "NCT01892189",
      "title": "Effects of TAK-063 on Preventing Ketamine-Induced Brain Activity Changes as Well as Psychotic-Like Symptoms in Healthy Male Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ketamine-Induced Brain Activity Changes",
        "Psychotic-like Symptoms"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "TAK-063",
          "type": "DRUG"
        },
        {
          "name": "TAK-063 Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 27,
      "start_date": "2013-08",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-11-15T09:00:53.831Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01892189"
    },
    {
      "nct_id": "NCT03020784",
      "title": "Safety and Tolerability of PF-06818883 in Healthy Subjects",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "PF-06818883",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 30,
      "start_date": "2016-11-11",
      "completion_date": "2017-06-13",
      "has_results": false,
      "last_update_posted_date": "2017-12-11",
      "last_synced_at": "2026-11-15T09:00:53.831Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03020784"
    },
    {
      "nct_id": "NCT00570778",
      "title": "Efficacy and Safety of QVA149 in Patients With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "indacaterol/glycopyrrolate",
          "type": "DRUG"
        },
        {
          "name": "indacaterol",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 154,
      "start_date": "2007-12",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2018-07-26",
      "last_synced_at": "2026-11-15T09:00:53.831Z",
      "location_count": 3,
      "location_summary": "St Louis, Missouri • Charlotte, North Carolina • Raleigh, North Carolina",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00570778"
    },
    {
      "nct_id": "NCT02682225",
      "title": "Crossover Study to Evaluate the Abuse Potential of Intranasal Esketamine Compared to Racemic Intravenous Ketamine in Nondependent, Recreational Drug Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Drug Abuse"
      ],
      "interventions": [
        {
          "name": "Intravenous placebo",
          "type": "DRUG"
        },
        {
          "name": "Intranasal placebo",
          "type": "DRUG"
        },
        {
          "name": "Intravenous racemic ketamine",
          "type": "DRUG"
        },
        {
          "name": "Esketamine 112 mg",
          "type": "DRUG"
        },
        {
          "name": "Esketamine 84 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 55,
      "start_date": "2016-03-25",
      "completion_date": "2017-01-09",
      "has_results": false,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-11-15T09:00:53.831Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02682225"
    },
    {
      "nct_id": "NCT06097676",
      "title": "An Abuse Potential Study of Orally Administered HORIZANT in Healthy, Non-dependent, Recreational Drug Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Abuse Potential"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Alprazolam 2 mg",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin Enacarbil Immediate Release (GE-IR) 200 mg",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin Enacarbil Immediate Release (GE-IR) 450 mg",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin Enacarbil Immediate Release (GE-IR) 700 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Arbor Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 86,
      "start_date": "2021-09-28",
      "completion_date": "2022-06-30",
      "has_results": true,
      "last_update_posted_date": "2024-08-12",
      "last_synced_at": "2026-11-15T09:00:53.831Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06097676"
    }
  ]
}