{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Validation+Study&page=21",
    "query": {
      "condition": "Validation Study",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 503,
    "total_pages": 51,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Validation+Study&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Validation+Study&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T05:28:38.333Z",
  "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": "NCT05107882",
      "title": "Optina Diagnostics' Cerebral ß-Amyloid Status (CAS) Test",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Mild Cognitive Impairment",
        "Mild Dementia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Optina Diagnostics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 466,
      "start_date": "2022-06-07",
      "completion_date": "2024-07-25",
      "has_results": false,
      "last_update_posted_date": "2024-08-07",
      "last_synced_at": "2026-10-24T05:28:38.333Z",
      "location_count": 4,
      "location_summary": "Miami, Florida • Las Vegas, Nevada • Norfolk, Virginia + 1 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05107882"
    },
    {
      "nct_id": "NCT05640323",
      "title": "Prospective Study to Validate the Clinical Accuracy of the Norbert Device to Measure Pulse Rate",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Norbert Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Norbert Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2023-04-26",
      "completion_date": "2023-10-20",
      "has_results": false,
      "last_update_posted_date": "2023-12-20",
      "last_synced_at": "2026-10-24T05:28:38.333Z",
      "location_count": 2,
      "location_summary": "Brooklyn, New York • Staten Island, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05640323"
    },
    {
      "nct_id": "NCT00788983",
      "title": "Induced Hypoxia Study for Validation of SpO2 Accuracy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypoxia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Nonin Medical, Inc",
      "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": 12,
      "start_date": "2008-11",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2013-09-20",
      "last_synced_at": "2026-10-24T05:28:38.333Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00788983"
    },
    {
      "nct_id": "NCT05445726",
      "title": "ECG Validation Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "CPM Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Analog Device, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2022-05-19",
      "completion_date": "2023-11-01",
      "has_results": false,
      "last_update_posted_date": "2023-10-06",
      "last_synced_at": "2026-10-24T05:28:38.333Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05445726"
    },
    {
      "nct_id": "NCT07144228",
      "title": "Validation of a Platelet Proteomic Assay for Diagnosing and Monitoring Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer (Diagnosis)"
      ],
      "interventions": [
        {
          "name": "HeLP TM",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "40 Years and older · Male only"
      },
      "enrollment_count": 300,
      "start_date": "2026-03-11",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-10-24T05:28:38.333Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07144228"
    },
    {
      "nct_id": "NCT00393549",
      "title": "NeuroPath Comparative Validation Study Plan",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Carpal Tunnel Syndrome (CTS)"
      ],
      "interventions": [
        {
          "name": "NeuroPath",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Excel-Tech Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 200,
      "start_date": "2006-08",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2007-06-06",
      "last_synced_at": "2026-10-24T05:28:38.333Z",
      "location_count": 2,
      "location_summary": "Dothan, Alabama • St. Petersburg, Florida",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00393549"
    },
    {
      "nct_id": "NCT02010112",
      "title": "Bag Mode BreathID Hp Validation Versus Endoscopy in Detection of Helicobacter Pylori",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Helicobacter Pylori Infection"
      ],
      "interventions": [
        {
          "name": "Breath Test Collection bags",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Meridian Bioscience, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 193,
      "start_date": "2014-01",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2022-12-20",
      "last_synced_at": "2026-10-24T05:28:38.333Z",
      "location_count": 9,
      "location_summary": "Baltimore, Maryland • Chevy Chase, Maryland • Detroit, Michigan + 6 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Chevy Chase",
          "state": "Maryland"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Ocean Springs",
          "state": "Mississippi"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02010112"
    },
    {
      "nct_id": "NCT00341757",
      "title": "Family Health Study (Validation of a Family History of Cancer Questionnaire for Risk Factor Surveillance)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5190,
      "start_date": "2000-09-12",
      "completion_date": "2011-07-07",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-24T05:28:38.333Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00341757"
    },
    {
      "nct_id": "NCT02539927",
      "title": "Validation Study of the SAGIT® Instrument in Acromegaly",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acromegaly"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ipsen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 227,
      "start_date": "2015-07",
      "completion_date": "2018-09-03",
      "has_results": false,
      "last_update_posted_date": "2018-11-01",
      "last_synced_at": "2026-10-24T05:28:38.333Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Atlanta, Georgia • Cleveland, Ohio + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02539927"
    },
    {
      "nct_id": "NCT00340054",
      "title": "Developing Interview Questions to Estimate Workplace Exposure to Electric and Magnetic Fields",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "study of high risk factors",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 108,
      "start_date": "2005-10",
      "completion_date": "2007-03",
      "has_results": false,
      "last_update_posted_date": "2012-03-08",
      "last_synced_at": "2026-10-24T05:28:38.333Z",
      "location_count": 2,
      "location_summary": "Menlo Park, California • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Menlo Park",
          "state": "California"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00340054"
    }
  ]
}