{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Comparator%3A+Matching+Placebo&page=2",
    "query": {
      "intervention": "Placebo Comparator: Matching Placebo",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 6973,
    "total_pages": 698,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Comparator%3A+Matching+Placebo&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Comparator%3A+Matching+Placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T13:10:49.478Z",
  "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": "NCT02243709",
      "title": "Mifepristone for the Prevention of Relapses of Alcohol Drinking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Use Disorders (AUD)"
      ],
      "interventions": [
        {
          "name": "Mifepristone 600-mg/day or placebo for a week",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 32,
      "start_date": "2014-09",
      "completion_date": "2021-12-21",
      "has_results": true,
      "last_update_posted_date": "2025-01-10",
      "last_synced_at": "2026-09-30T13:10:49.478Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02243709"
    },
    {
      "nct_id": "NCT03610932",
      "title": "Vitamin C & Exercise Induced Bronchoconstriction (EIB)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise-induced Bronchospasm"
      ],
      "interventions": [
        {
          "name": "Vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2018-07-01",
      "completion_date": "2019-05-03",
      "has_results": false,
      "last_update_posted_date": "2019-12-13",
      "last_synced_at": "2026-09-30T13:10:49.478Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03610932"
    },
    {
      "nct_id": "NCT04532749",
      "title": "A Study of Seltorexant as Adjunctive Therapy to Antidepressants in Adult and Elderly Participants With Major Depressive Disorder With Insomnia Symptoms Who Have Responded Inadequately to Antidepressant Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder, Major"
      ],
      "interventions": [
        {
          "name": "Seltorexant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 212,
      "start_date": "2020-09-15",
      "completion_date": "2022-07-14",
      "has_results": true,
      "last_update_posted_date": "2025-06-04",
      "last_synced_at": "2026-09-30T13:10:49.478Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Glendale, California + 20 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Imperial",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04532749"
    },
    {
      "nct_id": "NCT04239014",
      "title": "A Study to Evaluate the Effectiveness and Tolerability of a Second Maintenance Treatment in Participants With Ovarian Cancer, Who Have Previously Received Polyadenosine 5'Diphosphoribose [Poly (ADP Ribose)] Polymerase Inhibitor (PARPi) Treatment.",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Olaparib",
          "type": "DRUG"
        },
        {
          "name": "Ceralasertib",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match olaparib",
          "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": 0,
      "start_date": "2020-08-07",
      "completion_date": "2021-01-25",
      "has_results": false,
      "last_update_posted_date": "2021-03-10",
      "last_synced_at": "2026-09-30T13:10:49.478Z",
      "location_count": 22,
      "location_summary": "Anchorage, Alaska • La Jolla, California • Long Beach, California + 18 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "West Hollywood",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04239014"
    },
    {
      "nct_id": "NCT01876784",
      "title": "Evaluation of Efficacy, Safety of Vandetanib in Patients With Differentiated Thyroid Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Differentiated Thyroid Cancer"
      ],
      "interventions": [
        {
          "name": "Vandetanib (SAR390530)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 238,
      "start_date": "2013-09-17",
      "completion_date": "2022-01-22",
      "has_results": true,
      "last_update_posted_date": "2024-07-23",
      "last_synced_at": "2026-09-30T13:10:49.478Z",
      "location_count": 10,
      "location_summary": "Little Rock, Arkansas • Torrance, California • Lexington, Kentucky + 7 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01876784"
    },
    {
      "nct_id": "NCT01123785",
      "title": "A Dose-Escalation Study Designed to Evaluate the Tolerability, Safety, Pharmacokinetics (PK), and Efficacy of Chronic Topical Ocular Application of INO-8875 in Adults With Ocular Hypertension or Primary Open-Angle Glaucoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Glaucoma",
        "Ocular Hypertension"
      ],
      "interventions": [
        {
          "name": "INO-8875",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Inotek Pharmaceuticals Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "77 Years",
        "sex": "ALL",
        "summary": "18 Years to 77 Years"
      },
      "enrollment_count": 144,
      "start_date": "2010-05",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-10-15",
      "last_synced_at": "2026-09-30T13:10:49.478Z",
      "location_count": 1,
      "location_summary": "Glendale, California",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01123785"
    },
    {
      "nct_id": "NCT06619847",
      "title": "A Study Evaluating Efficacy and Safety of VX-993 for Acute Pain After a Bunionectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "VX-993",
          "type": "DRUG"
        },
        {
          "name": "HB/APAP",
          "type": "DRUG"
        },
        {
          "name": "Placebo (matched to VX-993)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (matched to HB/APAP)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vertex Pharmaceuticals Incorporated",
      "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": 367,
      "start_date": "2024-10-29",
      "completion_date": "2025-05-27",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-09-30T13:10:49.478Z",
      "location_count": 14,
      "location_summary": "Sheffield, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 11 more",
      "locations": [
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Tarzana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06619847"
    },
    {
      "nct_id": "NCT04614714",
      "title": "Milk Volume Outcomes Following Oral Nicotinamide Riboside Supplementation in Mothers of Extremely Preterm Infants",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Preterm Birth",
        "Inadequate Milk Production"
      ],
      "interventions": [
        {
          "name": "Nicotinamide Riboside (NR)",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2026-08-19",
      "completion_date": "2027-08-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-09-30T13:10:49.478Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04614714"
    },
    {
      "nct_id": "NCT00842816",
      "title": "Preliminary Efficacy and Safety Study of ST101 Plus Aricept in Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "ST101",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sonexa Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2009-02",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2012-06-07",
      "last_synced_at": "2026-09-30T13:10:49.478Z",
      "location_count": 27,
      "location_summary": "Tucson, Arizona • Costa Mesa, California • Redlands, California + 24 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Redlands",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00842816"
    },
    {
      "nct_id": "NCT05568706",
      "title": "A Study of EDP-938 in Non-hospitalized Adults With RSV Who Are at High Risk for Complications.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "RSV Infection"
      ],
      "interventions": [
        {
          "name": "EDP-938",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Enanta 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": 187,
      "start_date": "2022-11-29",
      "completion_date": "2025-06-23",
      "has_results": true,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-30T13:10:49.478Z",
      "location_count": 31,
      "location_summary": "Tempe, Arizona • Fresno, California • Lomita, California + 26 more",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Lomita",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Westminster",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05568706"
    }
  ]
}