{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+group&page=4",
    "query": {
      "intervention": "placebo group",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 7248,
    "total_pages": 725,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+group&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+group&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T15:44:17.881Z",
  "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": "NCT00707057",
      "title": "Ibuprofen Extended-Release Dental Pain Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain",
        "Post-Operative Pain",
        "Third Molar Extraction"
      ],
      "interventions": [
        {
          "name": "Ibuprofen 600 mg Extended-Release Tablets",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "SCOLR Pharma, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "16 Years to 45 Years"
      },
      "enrollment_count": 256,
      "start_date": "2008-06",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2011-03-24",
      "last_synced_at": "2026-10-11T15:44:17.881Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00707057"
    },
    {
      "nct_id": "NCT03154307",
      "title": "Repeated TMS at Low Frequencies to Reduce Seizure Occurrence",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Epilepsy",
        "Status Epilepticus",
        "Epilepsia Partialis Continua",
        "Epilepsia Partialis Continua, Refractory (Medically)"
      ],
      "interventions": [
        {
          "name": "Low frequency repeated TMS (LF-rTMS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Baptist Health South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 2,
      "start_date": "2016-02-19",
      "completion_date": "2019-08-23",
      "has_results": true,
      "last_update_posted_date": "2023-06-23",
      "last_synced_at": "2026-10-11T15:44:17.881Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03154307"
    },
    {
      "nct_id": "NCT03844932",
      "title": "A Study Evaluating the Efficacy and Safety of ST-0529 in Subjects With Moderately to Severely Active Ulcerative Colitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colitis, Ulcerative"
      ],
      "interventions": [
        {
          "name": "ST-0529",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sublimity Therapeutics Holdco Limited",
      "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": 235,
      "start_date": "2019-01-24",
      "completion_date": "2021-04-14",
      "has_results": false,
      "last_update_posted_date": "2021-05-07",
      "last_synced_at": "2026-10-11T15:44:17.881Z",
      "location_count": 8,
      "location_summary": "Palm Springs, California • Largo, Florida • New Port Richey, Florida + 4 more",
      "locations": [
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "Largo",
          "state": "Florida"
        },
        {
          "city": "New Port Richey",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03844932"
    },
    {
      "nct_id": "NCT00040404",
      "title": "Safety and Efficacy Study of CEP-1347 in the Treatment of Parkinson's Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "CEP-1347 10mg",
          "type": "DRUG"
        },
        {
          "name": "CEP1347 25mg",
          "type": "DRUG"
        },
        {
          "name": "CEP-1347 50mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo Comparator",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Cephalon",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 806,
      "start_date": "2002-03",
      "completion_date": "2005-08",
      "has_results": false,
      "last_update_posted_date": "2012-05-10",
      "last_synced_at": "2026-10-11T15:44:17.881Z",
      "location_count": 56,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 46 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00040404"
    },
    {
      "nct_id": "NCT04223349",
      "title": "A Study of JNJ-70033093 (BMS-986177) in Healthy Adult Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "JNJ-70033093",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 66,
      "start_date": "2020-01-10",
      "completion_date": "2020-04-08",
      "has_results": false,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-10-11T15:44:17.881Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04223349"
    },
    {
      "nct_id": "NCT04724668",
      "title": "The Role of the Circadian System in Binge Eating Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Binge-Eating Disorder",
        "Circadian Rhythm Disorders"
      ],
      "interventions": [
        {
          "name": "Melatonin (3hrs before DLMO)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo (3hrs before DLMO)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Morning light version 1",
          "type": "DEVICE"
        },
        {
          "name": "Morning light version 2",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DEVICE"
      ],
      "sponsor": "University of Cincinnati",
      "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": 84,
      "start_date": "2021-01-15",
      "completion_date": "2025-05-30",
      "has_results": true,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-11T15:44:17.881Z",
      "location_count": 1,
      "location_summary": "Mason, Ohio",
      "locations": [
        {
          "city": "Mason",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04724668"
    },
    {
      "nct_id": "NCT01577550",
      "title": "Single Rising Dose Study of BI 655066 in Patients With Moderate and Severe Psoriasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Psoriasis"
      ],
      "interventions": [
        {
          "name": "BI 655066 (very high i.v. dose)",
          "type": "DRUG"
        },
        {
          "name": "Placebo, i.v.",
          "type": "DRUG"
        },
        {
          "name": "BI 655066 (high s.c. dose)",
          "type": "DRUG"
        },
        {
          "name": "BI 655066 (low i.v. dose)",
          "type": "DRUG"
        },
        {
          "name": "BI 655066 (high medium i.v. dose)",
          "type": "DRUG"
        },
        {
          "name": "BI 655066 (very low i.v. dose)",
          "type": "DRUG"
        },
        {
          "name": "BI 655066 (low s.c. dose)",
          "type": "DRUG"
        },
        {
          "name": "BI 655066 (high i.v. dose)",
          "type": "DRUG"
        },
        {
          "name": "Placebo, s.c.",
          "type": "DRUG"
        },
        {
          "name": "BI 655066 (low medium i.v. dose)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "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": 39,
      "start_date": "2012-04",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2016-11-16",
      "last_synced_at": "2026-10-11T15:44:17.881Z",
      "location_count": 7,
      "location_summary": "Burbank, California • Miami, Florida • Port Orange, Florida + 4 more",
      "locations": [
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Port Orange",
          "state": "Florida"
        },
        {
          "city": "Normal",
          "state": "Illinois"
        },
        {
          "city": "Evansville",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01577550"
    },
    {
      "nct_id": "NCT02773797",
      "title": "Placebo Controlled Evaluation of Sedation and Physiological Response to Intranasal Dexmedetomidine in Severe COPD",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "COPD"
      ],
      "interventions": [
        {
          "name": "IN-DEX 1.0 mcg/kg, intranasal saline",
          "type": "DRUG"
        },
        {
          "name": "IN-DEX 1.5 mcg/kg, intranasal saline",
          "type": "DRUG"
        },
        {
          "name": "Placebo - Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dayton VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "45 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2016-08",
      "completion_date": "2018-04",
      "has_results": false,
      "last_update_posted_date": "2018-07-31",
      "last_synced_at": "2026-10-11T15:44:17.881Z",
      "location_count": 1,
      "location_summary": "Dayton, Ohio",
      "locations": [
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02773797"
    },
    {
      "nct_id": "NCT01215149",
      "title": "Safety and Immunogenicity Study of Ad26-ENVA and Ad35-ENV HIV Vaccines in Healthy HIV-uninfected Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Ad35-ENV vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ad26.ENVA.01 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo Control",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "International AIDS Vaccine Initiative",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 218,
      "start_date": "2010-10",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2012-12-17",
      "last_synced_at": "2026-10-11T15:44:17.881Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01215149"
    },
    {
      "nct_id": "NCT03249558",
      "title": "Effect of Combined Morphine and Duloxetine on Chronic Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Low Back Pain",
        "Chronic Neck Pain"
      ],
      "interventions": [
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Duloxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 81,
      "start_date": "2018-03-12",
      "completion_date": "2022-04-05",
      "has_results": true,
      "last_update_posted_date": "2024-11-14",
      "last_synced_at": "2026-10-11T15:44:17.881Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03249558"
    }
  ]
}