{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Double-dummy+placebo&page=3",
    "query": {
      "intervention": "Double-dummy placebo",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 370,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Double-dummy+placebo&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Double-dummy+placebo&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T09:19:08.550Z",
  "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": "NCT03229057",
      "title": "Comparing the Effects of Oral Contraceptive Pills Versus Metformin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "PCOS"
      ],
      "interventions": [
        {
          "name": "OCP + Metformin",
          "type": "DRUG"
        },
        {
          "name": "OCP + Placebo",
          "type": "DRUG"
        },
        {
          "name": "Metformin + Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Anuja Dokras",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 240,
      "start_date": "2018-01-15",
      "completion_date": "2024-07-15",
      "has_results": true,
      "last_update_posted_date": "2025-11-05",
      "last_synced_at": "2026-10-06T09:19:08.550Z",
      "location_count": 2,
      "location_summary": "Hershey, Pennsylvania • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03229057"
    },
    {
      "nct_id": "NCT01602380",
      "title": "A Global Study to Compare the Effects of Fulvestrant and Arimidex in a Subset of Patients With Breast Cancer.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hormone Receptor Positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "faslodex 500mg",
          "type": "DRUG"
        },
        {
          "name": "arimidex 1mg",
          "type": "DRUG"
        },
        {
          "name": "faslodex dummy",
          "type": "DRUG"
        },
        {
          "name": "arimidex dummy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 130 Years · Female only"
      },
      "enrollment_count": 462,
      "start_date": "2012-10-17",
      "completion_date": "2026-01-16",
      "has_results": true,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-06T09:19:08.550Z",
      "location_count": 12,
      "location_summary": "Modesto, California • Savannah, Georgia • Auburn, Maine + 9 more",
      "locations": [
        {
          "city": "Modesto",
          "state": "California"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Auburn",
          "state": "Maine"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01602380"
    },
    {
      "nct_id": "NCT00250679",
      "title": "Safety and Efficacy of Arformoterol Tartrate Inhalation Solution in Subjects With Chronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "Bronchitis",
        "Emphysema"
      ],
      "interventions": [
        {
          "name": "Arformoterol tartrate inhalation solution",
          "type": "DRUG"
        },
        {
          "name": "Arformoterol 25 ųg BID",
          "type": "DRUG"
        },
        {
          "name": "Formoterol 12 ųg BID",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sumitomo Pharma America, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 443,
      "start_date": "2005-10",
      "completion_date": "2007-10",
      "has_results": true,
      "last_update_posted_date": "2012-06-04",
      "last_synced_at": "2026-10-06T09:19:08.550Z",
      "location_count": 60,
      "location_summary": "Birmingham, Alabama • Jasper, Alabama • Mobile, Alabama + 56 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Carmichael",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00250679"
    },
    {
      "nct_id": "NCT00529529",
      "title": "Safety of Indacaterol in Patients (≥ 12 Years) With Moderate to Severe Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Indacaterol 300 μg",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol 50 μg",
          "type": "DRUG"
        },
        {
          "name": "Placebo to indacaterol",
          "type": "DRUG"
        },
        {
          "name": "Placebo to salmeterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 805,
      "start_date": "2007-09",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2011-08-29",
      "last_synced_at": "2026-10-06T09:19:08.550Z",
      "location_count": 56,
      "location_summary": "Glendale, Arizona • Phoenix, Arizona • Encinitas, California + 44 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00529529"
    },
    {
      "nct_id": "NCT01986283",
      "title": "Abuse Potential Study of PF-00345439",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Users"
      ],
      "interventions": [
        {
          "name": "Capsule",
          "type": "DRUG"
        },
        {
          "name": "PF-00345439",
          "type": "DRUG"
        },
        {
          "name": "oxycodone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pain Therapeutics",
      "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": 67,
      "start_date": "2013-11",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2016-04-04",
      "last_synced_at": "2026-10-06T09:19:08.550Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01986283"
    },
    {
      "nct_id": "NCT01397162",
      "title": "Dose Finding Study on BI54903 (Inhaled Corticosteroid) Administered Twice Daily Via Respimat® Inhaler in Asthmatic Patients Inadequately Controlled on Short-acting-beta-agonist (SABA) Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fluticasone propionate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "BI 54903",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "12 Years to 65 Years"
      },
      "enrollment_count": 29,
      "start_date": "2011-07-21",
      "completion_date": "2011-12-23",
      "has_results": true,
      "last_update_posted_date": "2022-06-23",
      "last_synced_at": "2026-10-06T09:19:08.550Z",
      "location_count": 41,
      "location_summary": "Fountain Valley, California • Huntington Beach, California • Long Beach, California + 36 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Palmdale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01397162"
    },
    {
      "nct_id": "NCT02874794",
      "title": "Study of Effects of Sacubitril/Valsartan vs. Enalapril on Aortic Stiffness in Patients With Mild to Moderate HF With Reduced Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure and Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "LCZ696 (sacubitril/valsartan)",
          "type": "DRUG"
        },
        {
          "name": "Enalapril",
          "type": "DRUG"
        },
        {
          "name": "Placebo of Enalapril",
          "type": "DRUG"
        },
        {
          "name": "Placebo of LCZ696",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 465,
      "start_date": "2016-08-17",
      "completion_date": "2019-01-26",
      "has_results": true,
      "last_update_posted_date": "2021-01-05",
      "last_synced_at": "2026-10-06T09:19:08.550Z",
      "location_count": 81,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Beverly Hills, California + 69 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02874794"
    },
    {
      "nct_id": "NCT00658333",
      "title": "A Study Designed to Compare the Tolerability of an Increased Dose of Enteric-coated Mycophenolate Acid (MPA) in Renal Transplant Patients Whose Dose of Mycophenolate Mofetil (MMF) Was Reduced Due to Gastrointestinal Symptoms",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Renal Transplantation"
      ],
      "interventions": [
        {
          "name": "Enteric-coated Mycophenolate Acid (EC-MPA)",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate Mofetil (MMF)",
          "type": "DRUG"
        },
        {
          "name": "Placebo MMF",
          "type": "DRUG"
        },
        {
          "name": "Placebo EC-MPA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "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": 30,
      "start_date": "2008-03",
      "completion_date": "2009-03",
      "has_results": true,
      "last_update_posted_date": "2012-08-07",
      "last_synced_at": "2026-10-06T09:19:08.550Z",
      "location_count": 37,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Orange, California + 28 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00658333"
    },
    {
      "nct_id": "NCT04544449",
      "title": "A Study to Evaluate the Efficacy and Safety of Fenebrutinib Compared With Ocrelizumab in Adult Participants With Primary Progressive Multiple Sclerosis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis, Primary Progressive"
      ],
      "interventions": [
        {
          "name": "Fenebrutinib",
          "type": "DRUG"
        },
        {
          "name": "Ocrelizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo matched to ocrelizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo matched to fenebrutinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "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": 985,
      "start_date": "2020-10-26",
      "completion_date": "2027-07-21",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-10-06T09:19:08.550Z",
      "location_count": 43,
      "location_summary": "Homewood, Alabama • Berkeley, California • Fullerton, California + 40 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04544449"
    },
    {
      "nct_id": "NCT01628393",
      "title": "Efficacy and Safety Study of Ozanimod (RPC1063) in Relapsing Multiple Sclerosis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Relapsing Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Ozanimod",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celgene",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 258,
      "start_date": "2012-09-18",
      "completion_date": "2016-05-11",
      "has_results": true,
      "last_update_posted_date": "2021-02-11",
      "last_synced_at": "2026-10-06T09:19:08.550Z",
      "location_count": 6,
      "location_summary": "Berkeley, California • Fresno, California • Sacramento, California + 3 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Akron",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01628393"
    }
  ]
}