{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Group+1%3A+Placebo&page=2",
    "query": {
      "intervention": "Group 1: Placebo",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 4052,
    "total_pages": 406,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Group+1%3A+Placebo&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Group+1%3A+Placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T06:45:23.301Z",
  "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": "NCT00565214",
      "title": "Effect of Supplementary Vitamins on Oxidant Gene Expression in the Lungs of Healthy Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "Group 1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Group 2",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 46,
      "start_date": "2007-09",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2017-05-25",
      "last_synced_at": "2026-10-02T06:45:23.301Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00565214"
    },
    {
      "nct_id": "NCT00287716",
      "title": "Three-Arm Study of the Safety and Efficacy of Pirfenidone in Patients With Idiopathic Pulmonary Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Idiopathic Pulmonary Fibrosis"
      ],
      "interventions": [
        {
          "name": "Pirfenidone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "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": 435,
      "start_date": "2006-07-14",
      "completion_date": "2008-11-10",
      "has_results": true,
      "last_update_posted_date": "2017-05-22",
      "last_synced_at": "2026-10-02T06:45:23.301Z",
      "location_count": 1,
      "location_summary": "Brisbane, California",
      "locations": [
        {
          "city": "Brisbane",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00287716"
    },
    {
      "nct_id": "NCT02190747",
      "title": "An Efficacy and Safety Study of Palovarotene to Treat Preosseous Flare-ups in FOP Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fibrodysplasia Ossificans Progressiva"
      ],
      "interventions": [
        {
          "name": "Palovarotene",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Clementia Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2014-07-14",
      "completion_date": "2016-05-23",
      "has_results": true,
      "last_update_posted_date": "2021-02-16",
      "last_synced_at": "2026-10-02T06:45:23.301Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02190747"
    },
    {
      "nct_id": "NCT02393599",
      "title": "Study to Assess Potential Interactions Between Intravenous Cocaine and Oral Lorcaserin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cocaine Abuse"
      ],
      "interventions": [
        {
          "name": "Lorcaserin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Cocaine Infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 20,
      "start_date": "2015-05",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2017-01-11",
      "last_synced_at": "2026-10-02T06:45:23.301Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02393599"
    },
    {
      "nct_id": "NCT00679263",
      "title": "Study Evaluating the Safety and Effects of MN-221 in Subjects With Moderate to Severe Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "MN-221",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MediciNova",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 17,
      "start_date": "2008-02",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2011-12-19",
      "last_synced_at": "2026-10-02T06:45:23.301Z",
      "location_count": 4,
      "location_summary": "Lenexa, Kansas • North Dartmouth, Massachusetts • Rolla, Missouri + 1 more",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "North Dartmouth",
          "state": "Massachusetts"
        },
        {
          "city": "Rolla",
          "state": "Missouri"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00679263"
    },
    {
      "nct_id": "NCT02284893",
      "title": "Study to Evaluate the Efficacy and Safety of Saxagliptin Co-administered With Dapagliflozin in Combination With Metformin Compared to Sitagliptin in Combination With Metformin in Adult Patients With Type 2 Diabetes Who Have Inadequate Glycemic Control on Metformin Therapy Alone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "Saxagliptin",
          "type": "DRUG"
        },
        {
          "name": "Dapagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Sitagliptin",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching with Saxagliptin",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching with Dapagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Placebo matching with Sitagliptin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 461,
      "start_date": "2014-09-09",
      "completion_date": "2016-09-20",
      "has_results": true,
      "last_update_posted_date": "2018-06-01",
      "last_synced_at": "2026-10-02T06:45:23.301Z",
      "location_count": 40,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Little Rock, Arkansas + 34 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02284893"
    },
    {
      "nct_id": "NCT00182052",
      "title": "Rosiglitazone (Avandia) vs. Placebo for Androgen Dependent Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Adenocarcinoma of the Prostate",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Rosiglitazone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 100,
      "start_date": "2000-09",
      "completion_date": "2003-08",
      "has_results": false,
      "last_update_posted_date": "2013-05-23",
      "last_synced_at": "2026-10-02T06:45:23.301Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00182052"
    },
    {
      "nct_id": "NCT05045144",
      "title": "A Phase III Study to Assess the Lot-to-lot Consistency of GSK's Investigational RSV Maternal Vaccine and the Immune Response and Safety of RSV Maternal Vaccine When Given Alone or Co-administered With GSK's Influenza D-QIV Vaccine in Healthy Non-pregnant Women.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSVPreF3(120 μg)",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Flu Quadrivalent influenza vaccine (15 μg HA)",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 49 Years · Female only"
      },
      "enrollment_count": 1586,
      "start_date": "2021-10-26",
      "completion_date": "2022-06-06",
      "has_results": true,
      "last_update_posted_date": "2023-10-05",
      "last_synced_at": "2026-10-02T06:45:23.301Z",
      "location_count": 5,
      "location_summary": "West Palm Beach, Florida • Stockbridge, Georgia • Peoria, Illinois + 2 more",
      "locations": [
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05045144"
    },
    {
      "nct_id": "NCT00097604",
      "title": "Effects of Valerian on Sleep in Healthy Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sleep Initiation and Maintenance Disorders"
      ],
      "interventions": [
        {
          "name": "Valerian root extract",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "55 Years to 80 Years"
      },
      "enrollment_count": 18,
      "start_date": "2004-09",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2010-07-29",
      "last_synced_at": "2026-10-02T06:45:23.301Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00097604"
    },
    {
      "nct_id": "NCT01724112",
      "title": "Study of the Efficacy and Safety of LY2940094 in Participants With Major Depressive Disorder (MDD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "LY2940094",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BlackThorn Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 136,
      "start_date": "2012-11",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2017-02-03",
      "last_synced_at": "2026-10-02T06:45:23.301Z",
      "location_count": 10,
      "location_summary": "North Miami, Florida • Oakland Park, Florida • University Park, Florida + 7 more",
      "locations": [
        {
          "city": "North Miami",
          "state": "Florida"
        },
        {
          "city": "Oakland Park",
          "state": "Florida"
        },
        {
          "city": "University Park",
          "state": "Florida"
        },
        {
          "city": "Prairie Village",
          "state": "Kansas"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01724112"
    }
  ]
}