{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control%2FPlacebo+group&page=4",
    "query": {
      "intervention": "Control/Placebo group",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 5227,
    "total_pages": 523,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control%2FPlacebo+group&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control%2FPlacebo+group&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-08T17:41:27.889Z",
  "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": "NCT02598388",
      "title": "Safety, Tolerability and Immunogenicity Study of 2-dose Heterologous Regimens for Ebola Vaccines Ad26.ZEBOV/MVA-BN-Filo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hemorrhagic Fever, Ebola"
      ],
      "interventions": [
        {
          "name": "Ad26.ZEBOV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MVA-BN-Filo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Janssen Vaccines & Prevention B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 578,
      "start_date": "2015-12-10",
      "completion_date": "2018-12-12",
      "has_results": true,
      "last_update_posted_date": "2025-02-04",
      "last_synced_at": "2026-11-08T17:41:27.889Z",
      "location_count": 1,
      "location_summary": "Silver Spring, Maryland",
      "locations": [
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02598388"
    },
    {
      "nct_id": "NCT05028361",
      "title": "Simultaneous mRNA COVID-19 and IIV4 Vaccination Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Quality of Life",
        "Injection Site Reaction",
        "Adverse Drug Event",
        "Systemic Reaction"
      ],
      "interventions": [
        {
          "name": "mRNA COVID-19",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IIV4",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (saline)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 348,
      "start_date": "2021-10-04",
      "completion_date": "2023-06-15",
      "has_results": true,
      "last_update_posted_date": "2024-03-19",
      "last_synced_at": "2026-11-08T17:41:27.889Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • Durham, North Carolina • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05028361"
    },
    {
      "nct_id": "NCT03311594",
      "title": "The Alcohol-Pain Connection: Mechanisms and Genetic/Psychological Correlates",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pain",
        "Alcohol Drinking",
        "Acute Pain",
        "Drinking Behavior"
      ],
      "interventions": [
        {
          "name": "Low Alcohol",
          "type": "DRUG"
        },
        {
          "name": "Moderate Alcohol",
          "type": "DRUG"
        },
        {
          "name": "Placebo Alcohol",
          "type": "DRUG"
        },
        {
          "name": "Pain Induction",
          "type": "OTHER"
        },
        {
          "name": "No Pain Induction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Syracuse University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "21 Years to 64 Years"
      },
      "enrollment_count": 379,
      "start_date": "2019-05-12",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2022-08-17",
      "last_synced_at": "2026-11-08T17:41:27.889Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03311594"
    },
    {
      "nct_id": "NCT03487731",
      "title": "Allogeneic Human Mesenchymal Stem Cell Injection in PAtieNts With FaceTogenic Back Pain",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Facetogenic Back Pain",
        "Back Pain"
      ],
      "interventions": [
        {
          "name": "Allogeneic Human Mesenchymal Stem Cells (hMSCs)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Joshua M Hare",
      "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": 0,
      "start_date": "2020-12-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2020-10-20",
      "last_synced_at": "2026-11-08T17:41:27.889Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03487731"
    },
    {
      "nct_id": "NCT01545375",
      "title": "Evaluation of a Vaccine for Reducing Ear and Lung Infections in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Infections, Streptococcal"
      ],
      "interventions": [
        {
          "name": "Pneumococcal vaccine GSK2189242A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 13®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PedvaxHIB®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": "12 Weeks",
        "sex": "ALL",
        "summary": "6 Weeks to 12 Weeks"
      },
      "enrollment_count": 1806,
      "start_date": "2012-05-21",
      "completion_date": "2016-07-26",
      "has_results": true,
      "last_update_posted_date": "2019-12-27",
      "last_synced_at": "2026-11-08T17:41:27.889Z",
      "location_count": 5,
      "location_summary": "Chinle, Arizona • Fort Defiance, Arizona • Whiteriver, Arizona + 2 more",
      "locations": [
        {
          "city": "Chinle",
          "state": "Arizona"
        },
        {
          "city": "Fort Defiance",
          "state": "Arizona"
        },
        {
          "city": "Whiteriver",
          "state": "Arizona"
        },
        {
          "city": "Gallup",
          "state": "New Mexico"
        },
        {
          "city": "Shiprock",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01545375"
    },
    {
      "nct_id": "NCT05772156",
      "title": "Prophylactic Methylergonovine for Twin Cesarean",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Twin; Complicating Pregnancy",
        "Postpartum Hemorrhage"
      ],
      "interventions": [
        {
          "name": "Methylergonovine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "Up to 65 Years · Female only"
      },
      "enrollment_count": 66,
      "start_date": "2023-03-07",
      "completion_date": "2024-03-11",
      "has_results": true,
      "last_update_posted_date": "2025-06-13",
      "last_synced_at": "2026-11-08T17:41:27.889Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05772156"
    },
    {
      "nct_id": "NCT03122639",
      "title": "Endothelial Function in Obstructive Sleep Apnea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Obstructive Sleep Apnea of Adult"
      ],
      "interventions": [
        {
          "name": "Atorvastatin 10mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 106,
      "start_date": "2017-09-01",
      "completion_date": "2021-05-07",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-11-08T17:41:27.889Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03122639"
    },
    {
      "nct_id": "NCT01838681",
      "title": "Brexpiprazole as Adjunctive Treatment in Patients With Major Depressive Disorder With an Inadequate Response to Antidepressant Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Brexpiprazole",
          "type": "DRUG"
        },
        {
          "name": "ADT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "H. Lundbeck A/S",
      "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": 1986,
      "start_date": "2013-06",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2017-08-09",
      "last_synced_at": "2026-11-08T17:41:27.889Z",
      "location_count": 8,
      "location_summary": "Little Rock, Arkansas • Cerritos, California • Temecula, California + 4 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Temecula",
          "state": "California"
        },
        {
          "city": "Flowood",
          "state": "Mississippi"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01838681"
    },
    {
      "nct_id": "NCT02518165",
      "title": "The Effects of A Proprietary Spearmint Extract on Cognitive Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mood",
        "Cognitive Performance",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Proprietary spearmint extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Kemin Foods LC",
      "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": 142,
      "start_date": "2015-04",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2018-01-31",
      "last_synced_at": "2026-11-08T17:41:27.889Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02518165"
    },
    {
      "nct_id": "NCT07000123",
      "title": "A Phase III Study to Assess the Effect of AZD0780 on LDL-C in Patients With Clinical ASCVD or at Risk for a First ASCVD Event",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "AZD0780",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3103,
      "start_date": "2025-05-28",
      "completion_date": "2027-01-11",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-11-08T17:41:27.889Z",
      "location_count": 101,
      "location_summary": "Huntsville, Alabama • Irondale, Alabama • Mobile, Alabama + 92 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Irondale",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07000123"
    }
  ]
}