{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Tablet",
    "query": {
      "intervention": "Placebo Tablet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5193,
    "total_pages": 520,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Tablet&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-01T21:37:33.567Z",
  "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": "NCT00115297",
      "title": "Montelukast for Early Life Wheezing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Lung Diseases",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Montelukast",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "3 Years",
        "sex": "ALL",
        "summary": "3 Months to 3 Years"
      },
      "enrollment_count": 62,
      "start_date": "2004-09",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2017-03-14",
      "last_synced_at": "2026-09-01T21:37:33.567Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00115297"
    },
    {
      "nct_id": "NCT04715568",
      "title": "Secondhand Tobacco Smoke and Cardiovascular Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2021-03-30",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-01T21:37:33.567Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04715568"
    },
    {
      "nct_id": "NCT00486824",
      "title": "Indomethacin Versus Nifedipine for Preterm Labor Tocolysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Obstetric Labor, Premature"
      ],
      "interventions": [
        {
          "name": "Indomethacin",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 29,
      "start_date": "2007-04",
      "completion_date": "2012-12-08",
      "has_results": true,
      "last_update_posted_date": "2018-10-01",
      "last_synced_at": "2026-09-01T21:37:33.567Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00486824"
    },
    {
      "nct_id": "NCT01667679",
      "title": "Efficacy and Safety of 20 mg Sumatriptan Powder Delivered Intranasally With the Bi-directional Device Compared With 100 mg Sumatriptan Tablets in Adults With Acute Migraine With or Without Aura",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Migraine",
        "Headaches"
      ],
      "interventions": [
        {
          "name": "100 mg Sumatriptan Tablet and OPTINOSE Placebo delivered nasally",
          "type": "DRUG"
        },
        {
          "name": "OPTINOSE SUMATRIPTAN delivered nasally and placebo tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Avanir Pharmaceuticals",
      "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": 275,
      "start_date": "2012-08",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2017-04-12",
      "last_synced_at": "2026-09-01T21:37:33.567Z",
      "location_count": 13,
      "location_summary": "San Francisco, California • Santa Monica, California • Fairfied, Connecticut + 10 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Fairfied",
          "state": "Connecticut"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Watertown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01667679"
    },
    {
      "nct_id": "NCT04770779",
      "title": "A Study Evaluating the Efficacy and Safety of Mitapivat in Participants With Transfusion-Dependent Alpha- or Beta-Thalassemia (α- or β-TDT)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Transfusion-dependent Alpha-Thalassemia",
        "Transfusion-dependent Beta-Thalassemia"
      ],
      "interventions": [
        {
          "name": "Placebo Matching Mitapivat",
          "type": "DRUG"
        },
        {
          "name": "Mitapivat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Agios Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 258,
      "start_date": "2021-11-30",
      "completion_date": "2029-06",
      "has_results": true,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-01T21:37:33.567Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • La Jolla, California • Oakland, California + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04770779"
    },
    {
      "nct_id": "NCT04147715",
      "title": "Evaluation of Safety, Tolerability, Pharmacokinetics, Drug-Drug and Food Interactions of Single and Multiple Doses of S-648414 in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "S-648414",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Dolutegravir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shionogi",
      "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": 98,
      "start_date": "2019-10-09",
      "completion_date": "2020-09-29",
      "has_results": true,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-09-01T21:37:33.567Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04147715"
    },
    {
      "nct_id": "NCT00108485",
      "title": "Study of the Use of Niaspan for Treatment of Dyslipidemia in Diabetic Nephropathy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Kidney Failure, Chronic",
        "Hyperlipidemia"
      ],
      "interventions": [
        {
          "name": "Extended release niacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2005-04",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2016-06-22",
      "last_synced_at": "2026-09-01T21:37:33.567Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00108485"
    },
    {
      "nct_id": "NCT03110315",
      "title": "A Study of Suvorexant in Patients With Multiple Sclerosis Fatigue and Insomnia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Multiple Sclerosis",
        "Fatigue",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Suvorexant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Theodore R. Brown, MD MPH",
      "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": 36,
      "start_date": "2017-03-28",
      "completion_date": "2022-03-21",
      "has_results": true,
      "last_update_posted_date": "2025-02-03",
      "last_synced_at": "2026-09-01T21:37:33.567Z",
      "location_count": 1,
      "location_summary": "Kirkland, Washington",
      "locations": [
        {
          "city": "Kirkland",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03110315"
    },
    {
      "nct_id": "NCT00476008",
      "title": "Delaying the Progression of Driving Impairment in Individuals With Mild Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Memantine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Florida Atlantic University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2007-07",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2014-08-11",
      "last_synced_at": "2026-09-01T21:37:33.567Z",
      "location_count": 1,
      "location_summary": "Boca Raton, Florida",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00476008"
    },
    {
      "nct_id": "NCT01993940",
      "title": "Efficacy and Safety of Naldemedine in Treating Opioid-induced Constipation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Opioid-induced Constipation"
      ],
      "interventions": [
        {
          "name": "Naldemedine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shionogi",
      "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": 553,
      "start_date": "2013-11-04",
      "completion_date": "2015-06-09",
      "has_results": true,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-09-01T21:37:33.567Z",
      "location_count": 49,
      "location_summary": "Birmingham, Alabama • Homewood, Alabama • Goodyear, Arizona + 46 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01993940"
    }
  ]
}