{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo&page=91",
    "query": {
      "intervention": "placebo",
      "page": 91
    },
    "page_size": 10
  },
  "pagination": {
    "page": 91,
    "page_size": 10,
    "total_count": 33151,
    "total_pages": 3316,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo&page=92&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo&page=90&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-06T11:12:59.012Z",
  "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": "NCT02872467",
      "title": "Prenatal Cocaine, Nasal Oxytocin, and Maternal Psychophysiology",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Substance Abuse Problem",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Syntocinon treatment",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 42 Years · Female only"
      },
      "enrollment_count": 31,
      "start_date": "2016-05",
      "completion_date": "2023-03",
      "has_results": false,
      "last_update_posted_date": "2023-04-18",
      "last_synced_at": "2026-11-06T11:12:59.012Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02872467"
    },
    {
      "nct_id": "NCT06310200",
      "title": "Sphenopalatine Ganglion Block and Cold Induced Headaches",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cold Induced Headache",
        "Brain Freeze",
        "Cold Induced Cephalgia",
        "Headache"
      ],
      "interventions": [
        {
          "name": "Lidocaine Topical 4% Topical Solution",
          "type": "DRUG"
        },
        {
          "name": "Bitrex",
          "type": "DRUG"
        },
        {
          "name": "normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wright State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-01-01",
      "completion_date": "2025-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-31",
      "last_synced_at": "2026-11-06T11:12:59.012Z",
      "location_count": 1,
      "location_summary": "Dayton, Ohio",
      "locations": [
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06310200"
    },
    {
      "nct_id": "NCT00380900",
      "title": "Study Evaluating the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Multiple Ascending Doses in Healthy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Subjects",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "AGG-523",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": null,
      "start_date": "2006-07",
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2007-12-05",
      "last_synced_at": "2026-11-06T11:12:59.012Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00380900"
    },
    {
      "nct_id": "NCT00434005",
      "title": "Effect of Diesel Exhaust Particulate Exposures on Endothelial Function in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "N-acetylcysteine, ascorbate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 24,
      "start_date": "2008-07",
      "completion_date": "2010-08",
      "has_results": false,
      "last_update_posted_date": "2013-01-16",
      "last_synced_at": "2026-11-06T11:12:59.012Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00434005"
    },
    {
      "nct_id": "NCT03095456",
      "title": "Revefenacin Peak Inspiratory Flow Rate (PIFR) Study in COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease, COPD",
        "Low Peak Inspiratory Flow Rate (PIFR)"
      ],
      "interventions": [
        {
          "name": "Revefenacin",
          "type": "DRUG"
        },
        {
          "name": "Spiriva Handihaler®",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo for Revefenacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Spiriva Handihaler®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Mylan Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 207,
      "start_date": "2017-03-27",
      "completion_date": "2017-11-25",
      "has_results": true,
      "last_update_posted_date": "2022-02-24",
      "last_synced_at": "2026-11-06T11:12:59.012Z",
      "location_count": 1,
      "location_summary": "Rock Hill, South Carolina",
      "locations": [
        {
          "city": "Rock Hill",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03095456"
    },
    {
      "nct_id": "NCT02944656",
      "title": "Gabapentin as an Adjunct to Paracervical Block for Perioperative Pain Management",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "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": 114,
      "start_date": "2016-12-08",
      "completion_date": "2018-06-26",
      "has_results": true,
      "last_update_posted_date": "2019-08-08",
      "last_synced_at": "2026-11-06T11:12:59.012Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02944656"
    },
    {
      "nct_id": "NCT04912856",
      "title": "An Open-Label Extension of the Study XEN496 (Ezogabine) in Children With KCNQ2-DEE",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Epilepsy",
        "Epilepsy in Children",
        "Epilepsy; Seizure",
        "Disease",
        "Brain Diseases",
        "Central Nervous System Diseases",
        "Nervous System Diseases",
        "Epileptic Syndromes"
      ],
      "interventions": [
        {
          "name": "XEN496",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Xenon Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "1 Month to 6 Years"
      },
      "enrollment_count": 8,
      "start_date": "2021-08-17",
      "completion_date": "2023-11-17",
      "has_results": true,
      "last_update_posted_date": "2025-02-14",
      "last_synced_at": "2026-11-06T11:12:59.012Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Tacoma, Washington",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04912856"
    },
    {
      "nct_id": "NCT00894322",
      "title": "A Study to Examine the Pharmacokinetics, Tolerability, Safety and Efficacy of Exenatide Once Weekly Suspension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "exenatide once weekly",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "19 Years to 75 Years"
      },
      "enrollment_count": 65,
      "start_date": "2009-04",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2015-09-18",
      "last_synced_at": "2026-11-06T11:12:59.012Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00894322"
    },
    {
      "nct_id": "NCT00654329",
      "title": "Dexmedetomidine vs Fentanyl for BMT",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Otitis"
      ],
      "interventions": [
        {
          "name": "Saline",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Dexmedetomidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "6 Months to 6 Years"
      },
      "enrollment_count": 101,
      "start_date": "2005-08",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2011-04-25",
      "last_synced_at": "2026-11-06T11:12:59.012Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00654329"
    },
    {
      "nct_id": "NCT02319837",
      "title": "Safety and Efficacy Study of Enzalutamide Plus Leuprolide in Patients With Nonmetastatic Prostate Cancer (EMBARK)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hormone Sensitive Prostate Cancer",
        "Prostate Cancer",
        "Cancer of the Prostate"
      ],
      "interventions": [
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Placebo (No longer applicable in Open Label study period)",
          "type": "DRUG"
        },
        {
          "name": "Leuprolide Open Label",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 1068,
      "start_date": "2014-12-17",
      "completion_date": "2027-07-30",
      "has_results": true,
      "last_update_posted_date": "2026-10-26",
      "last_synced_at": "2026-11-06T11:12:59.012Z",
      "location_count": 77,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Tucson, Arizona + 50 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02319837"
    }
  ]
}