{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Syncope&page=4",
    "query": {
      "condition": "Syncope",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 85,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Syncope&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Syncope&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T13:05:06.149Z",
  "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": "NCT00302900",
      "title": "Preventing Negative Reactions in First Time Blood Donors to Encourage Subsequent Blood Donations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Syncope, Vasovagal"
      ],
      "interventions": [
        {
          "name": "Pre-Donation Water Consumption",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Muscle Tensing Exercise During Donation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Muscle Tensing Exercise Prior to Donation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 441,
      "start_date": "2006-01",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2016-10-06",
      "last_synced_at": "2026-10-20T13:05:06.149Z",
      "location_count": 2,
      "location_summary": "Athens, Ohio • Columbus, Ohio",
      "locations": [
        {
          "city": "Athens",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00302900"
    },
    {
      "nct_id": "NCT06133075",
      "title": "Using Mirabegron to Increase BP in Patients With POTS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome",
        "Chronic Orthostatic Intolerance",
        "Syncope"
      ],
      "interventions": [
        {
          "name": "Mirabegron 50 MG",
          "type": "DRUG"
        },
        {
          "name": "Mirabegron 25 MG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cedars-Sinai 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": 20,
      "start_date": "2023-12-22",
      "completion_date": "2025-07-25",
      "has_results": true,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-10-20T13:05:06.149Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06133075"
    },
    {
      "nct_id": "NCT06087497",
      "title": "The Z Stitch Early Bed Rest Assessment Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter",
        "Supraventricular Tachycardia",
        "Syncope",
        "Ventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "Early mobilization",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 200,
      "start_date": "2024-01-01",
      "completion_date": "2025-05-01",
      "has_results": false,
      "last_update_posted_date": "2024-04-15",
      "last_synced_at": "2026-10-20T13:05:06.149Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06087497"
    },
    {
      "nct_id": "NCT01423994",
      "title": "Syncope: Pacing or Recording in the Later Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Syncope",
        "Heart Block",
        "Conduction Disorder of the Heart"
      ],
      "interventions": [
        {
          "name": "pacemaker",
          "type": "PROCEDURE"
        },
        {
          "name": "implantable loop recorder",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Canadian Institutes of Health Research (CIHR)",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 120,
      "start_date": "2011-08",
      "completion_date": "2017-11-01",
      "has_results": false,
      "last_update_posted_date": "2019-05-16",
      "last_synced_at": "2026-10-20T13:05:06.149Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01423994"
    },
    {
      "nct_id": "NCT02971163",
      "title": "Syncope Decision Aid for Emergency Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Syncope"
      ],
      "interventions": [
        {
          "name": "SynDA",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2017-01",
      "completion_date": "2019-01-09",
      "has_results": true,
      "last_update_posted_date": "2020-05-26",
      "last_synced_at": "2026-10-20T13:05:06.149Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02971163"
    },
    {
      "nct_id": "NCT02154009",
      "title": "Clinical Autonomic Disorders: A Training Protocol",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Posttraumatic Stress Disorder",
        "Pseudopheochromocytoma",
        "Healthy Volunteers",
        "Neurocardiogenic Syncope",
        "Postural Tachycardia Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2014-06-05",
      "completion_date": "2021-04-07",
      "has_results": false,
      "last_update_posted_date": "2021-04-08",
      "last_synced_at": "2026-10-20T13:05:06.149Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02154009"
    },
    {
      "nct_id": "NCT00069693",
      "title": "Evaluation of Chronic Orthostatic Intolerance",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Syncope"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2003-09-26",
      "completion_date": "2008-08-05",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-20T13:05:06.149Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00069693"
    },
    {
      "nct_id": "NCT01791816",
      "title": "Mechanisms of Vasovagal Syncope",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Vasovagal Syncope",
        "Postural Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "Phenylephrine",
          "type": "DRUG"
        },
        {
          "name": "L-Ng-monomethyl Arginine (L-NMMA)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "14 Years to 29 Years"
      },
      "enrollment_count": 90,
      "start_date": "2013-02",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2025-05-23",
      "last_synced_at": "2026-10-20T13:05:06.149Z",
      "location_count": 1,
      "location_summary": "Hawthorne, New York",
      "locations": [
        {
          "city": "Hawthorne",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01791816"
    },
    {
      "nct_id": "NCT04972123",
      "title": "The Effect of CPC on Aborting Tilt Induced Syncope in Patients With a History of Vasovagal Syncope or Near Syncope",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Syncope, Vasovagal"
      ],
      "interventions": [
        {
          "name": "CPC - Capsaicin, Phenylephrine, Caffeine",
          "type": "DRUG"
        },
        {
          "name": "Tilt Table Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 143,
      "start_date": "2021-07-20",
      "completion_date": "2023-08-31",
      "has_results": true,
      "last_update_posted_date": "2024-07-17",
      "last_synced_at": "2026-10-20T13:05:06.149Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04972123"
    },
    {
      "nct_id": "NCT05252702",
      "title": "Aveir DR i2i Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Pacemaker, Artificial",
        "Cardiac Rhythm Disorder",
        "Bradycardia"
      ],
      "interventions": [
        {
          "name": "Aveir DR Leadless Pacemaker System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 464,
      "start_date": "2022-02-02",
      "completion_date": "2026-02-03",
      "has_results": true,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-10-20T13:05:06.149Z",
      "location_count": 54,
      "location_summary": "Scottsdale, Arizona • Jonesboro, Arkansas • Little Rock, Arkansas + 44 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05252702"
    }
  ]
}