{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo&page=8",
    "query": {
      "intervention": "placebo",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 33061,
    "total_pages": 3307,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T01:30:41.442Z",
  "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": "NCT05227001",
      "title": "A Study To Learn About The Study Vaccine (Called Self-Amplifying Ribonucleic Acid (RNA)) For The Prevention of Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "PF-07852352 Influenza saRNA 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PF-07836391 Influenza saRNA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PF-07836394 Influenza saRNA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PF-07836395 Influenza saRNA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PF-07836396 Influenza saRNA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PF-07867246 Influenza saRNA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent influenza vaccine (QIV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PF-07871987 Influenza saRNA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PF-07914705 Influenza saRNA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PF-07915048 Influenza saRNA",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 440,
      "start_date": "2022-04-28",
      "completion_date": "2023-08-04",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-10-17T01:30:41.442Z",
      "location_count": 24,
      "location_summary": "Phoenix, Arizona • Walnut Creek, California • Greenacres City, Florida + 13 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Greenacres City",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05227001"
    },
    {
      "nct_id": "NCT03112681",
      "title": "Study to Evaluate Safety, Tolerability and Efficacy of Saroglitazar Mg in Patients With Primary Biliary Cholangitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Primary Biliary Cirrhosis"
      ],
      "interventions": [
        {
          "name": "Saroglitazar magnesium 2 mg",
          "type": "DRUG"
        },
        {
          "name": "Saroglitazar magnesium 4 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Zydus Therapeutics Inc.",
      "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": 37,
      "start_date": "2017-08-18",
      "completion_date": "2020-08-07",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-10-17T01:30:41.442Z",
      "location_count": 9,
      "location_summary": "Pasadena, California • Miami, Florida • Marietta, Georgia + 5 more",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03112681"
    },
    {
      "nct_id": "NCT03845881",
      "title": "Trial Comparing a Multi-Modal Pain Protocol With and Without Opioids Following Total Joint Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 45,
      "start_date": "2019-04-10",
      "completion_date": "2020-07-28",
      "has_results": false,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-10-17T01:30:41.442Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03845881"
    },
    {
      "nct_id": "NCT00605930",
      "title": "A Pilot Clinical Trial of Pyruvate, Creatine, and Niacinamide in Progressive Supranuclear Palsy.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Progressive Supranuclear Palsy"
      ],
      "interventions": [
        {
          "name": "Pyruvate, creatine, niacinamide",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Louisville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "2004-04",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2017-04-10",
      "last_synced_at": "2026-10-17T01:30:41.442Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00605930"
    },
    {
      "nct_id": "NCT01345630",
      "title": "Comparative Trial Of Maraviroc Versus Emtricitabine/Tenofovir Both With Darunavir/Ritonavir In Antiretroviral-Naive Patients Infected With CCR5 Tropic HIV 1",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV-1"
      ],
      "interventions": [
        {
          "name": "Maraviroc",
          "type": "DRUG"
        },
        {
          "name": "Emtricitabine/tenofovir",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir 800/100 mg",
          "type": "DRUG"
        },
        {
          "name": "placebo for emtricitabine/tenofovir",
          "type": "DRUG"
        },
        {
          "name": "placebo for maraviroc",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ViiV Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 813,
      "start_date": "2011-09",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2016-01-14",
      "last_synced_at": "2026-10-17T01:30:41.442Z",
      "location_count": 84,
      "location_summary": "Birmingham, Alabama • Hobson City, Alabama • Hayward, California + 45 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hobson City",
          "state": "Alabama"
        },
        {
          "city": "Hayward",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01345630"
    },
    {
      "nct_id": "NCT00760565",
      "title": "A Multiple Ascending Dose Study of RO4905417 in Healthy Volunteers and Patients With Peripheral Arterial Disease (PAD).",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Peripheral Arterial Disease (PAD)"
      ],
      "interventions": [
        {
          "name": "RO4905417",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "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": 72,
      "start_date": "2008-09",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-10-17T01:30:41.442Z",
      "location_count": 4,
      "location_summary": "Gainesville, Florida • Cincinnati, Ohio • San Antonio, Texas",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00760565"
    },
    {
      "nct_id": "NCT07752407",
      "title": "A Study to Evaluate the Efficacy and Safety of Vonoprazan 10 mg Compared to Placebo for Relief of Episodic Heartburn in Participants With Symptomatic Non-Erosive Gastroesophageal Reflux Disease Through 24 Weeks",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Symptomatic Non-erosive Gastroesophageal Reflux Disease"
      ],
      "interventions": [
        {
          "name": "Vonoprazan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Phathom 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": 500,
      "start_date": "2026-09-25",
      "completion_date": "2028-01-19",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-17T01:30:41.442Z",
      "location_count": 1,
      "location_summary": "Mentor, Ohio",
      "locations": [
        {
          "city": "Mentor",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07752407"
    },
    {
      "nct_id": "NCT00492336",
      "title": "Rasagiline in the Treatment of Persistent Negative Symptoms of Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "rasagiline (Pharmacodynamics)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 84,
      "start_date": "2007-01",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2019-09-25",
      "last_synced_at": "2026-10-17T01:30:41.442Z",
      "location_count": 5,
      "location_summary": "Baltimore, Maryland • Catonsville, Maryland • Dundalk, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Catonsville",
          "state": "Maryland"
        },
        {
          "city": "Catonsville",
          "state": "Maryland"
        },
        {
          "city": "Catonsville",
          "state": "Maryland"
        },
        {
          "city": "Dundalk",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00492336"
    },
    {
      "nct_id": "NCT00280566",
      "title": "Safety and Maintenance of Effect of Ziprasidone Plus a Mood Stabilizer in Bipolar I Disorder (Manic or Mixed)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bipolar Mania",
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ziprasidone Oral Capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 584,
      "start_date": "2005-12",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2021-03-25",
      "last_synced_at": "2026-10-17T01:30:41.442Z",
      "location_count": 73,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 59 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00280566"
    },
    {
      "nct_id": "NCT00942851",
      "title": "A Study of Acetyl Hexapeptide-8 (AH8) in Treatment of Blepharospasm",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Focal Dystonia"
      ],
      "interventions": [
        {
          "name": "Acetyl-Hexapeptide Topical Treatment",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2009-07",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2012-09-06",
      "last_synced_at": "2026-10-17T01:30:41.442Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00942851"
    }
  ]
}