{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Orthostatic+Tachycardia&page=3",
    "query": {
      "condition": "Orthostatic Tachycardia",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 95,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Orthostatic+Tachycardia&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Orthostatic+Tachycardia&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T03:58:31.605Z",
  "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": "NCT06027255",
      "title": "Long COVID Immune Profiling",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Long COVID",
        "POTS - Postural Orthostatic Tachycardia Syndrome",
        "Autonomic Dysfunction"
      ],
      "interventions": [
        {
          "name": "IL-6",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "cytokines (IL-17, and IFN-ɣ)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Compass 31",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2024-04-24",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-10-06T03:58:31.605Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06027255"
    },
    {
      "nct_id": "NCT01000350",
      "title": "Intravenous (IV) Saline and Exercise in Postural Tachycardia Syndrome (POTS)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "Saline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2009-10",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2025-10-08",
      "last_synced_at": "2026-10-06T03:58:31.605Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01000350"
    },
    {
      "nct_id": "NCT03182725",
      "title": "Effect of Ivabradine on Patients With Postural Orthostatic Tachycardia Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "Ivabradine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 37,
      "start_date": "2018-02-06",
      "completion_date": "2020-05-08",
      "has_results": true,
      "last_update_posted_date": "2021-06-29",
      "last_synced_at": "2026-10-06T03:58:31.605Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03182725"
    },
    {
      "nct_id": "NCT07182578",
      "title": "Programming Aquatic Therapy for POTS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome (POTS)"
      ],
      "interventions": [
        {
          "name": "Aquatic Occupational Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "California State University, Dominguez Hills",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 5,
      "start_date": "2025-09-12",
      "completion_date": "2026-02-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-03",
      "last_synced_at": "2026-10-06T03:58:31.605Z",
      "location_count": 1,
      "location_summary": "Long Beach, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07182578"
    },
    {
      "nct_id": "NCT07757555",
      "title": "Guanfacine and Cromolyn Sodium for POTS: The DBPOTS Trial",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome (POTS)",
        "Dysautonomia",
        "Orthostatic Intolerance",
        "Autonomic Nervous System Diseases"
      ],
      "interventions": [
        {
          "name": "Guanfacine (GFC)",
          "type": "DRUG"
        },
        {
          "name": "Cromolyn Sodium",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 25,
      "start_date": "2026-08-15",
      "completion_date": "2028-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-06T03:58:31.605Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07757555"
    },
    {
      "nct_id": "NCT03930914",
      "title": "Vagus Nerve Stimulation in Treatment of Postural Orthostatic Tachycardia Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "Parasym (TM) Transcutaneous Electrical Nerve Stimulation (TENS) Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 5,
      "start_date": "2019-11-04",
      "completion_date": "2021-12-07",
      "has_results": false,
      "last_update_posted_date": "2023-12-18",
      "last_synced_at": "2026-10-06T03:58:31.605Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03930914"
    },
    {
      "nct_id": "NCT07405515",
      "title": "Pathophysiology of Dysautonomia and Postural Tachycardia Syndrome (POTS) in Post-viral Syndromes and COVID-19",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "POTS",
        "POTS - Postural Orthostatic Tachycardia Syndrome",
        "Dysautonomia",
        "Autonomic Dysfunction"
      ],
      "interventions": [
        {
          "name": "Blood Sample Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "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": 100,
      "start_date": "2024-02-02",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-10-06T03:58:31.605Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07405515"
    },
    {
      "nct_id": "NCT00921986",
      "title": "Biospecimen Repository for Cardiac Arrhythmias at the Cleveland Clinic",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arrhythmias, Cardiac"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2009-03",
      "completion_date": "2035-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-06T03:58:31.605Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00921986"
    },
    {
      "nct_id": "NCT06672861",
      "title": "Development and Validation of the Kansas City Cardiac Dysautonomia Questionnaire (KCDysQ)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Dysautonomia"
      ],
      "interventions": [
        {
          "name": "Kansas City Cardiac Dysautonomia Questionnaire (KCDysQ)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kansas City Heart Rhythm Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-01",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-08-28",
      "last_synced_at": "2026-10-06T03:58:31.605Z",
      "location_count": 3,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06672861"
    },
    {
      "nct_id": "NCT07478172",
      "title": "Effects of Whole-body Electrical Muscle Stimulation Exercise on Adults With Neuromuscular Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neuromuscular Diseases (NMD)",
        "Amyotrophic Lateral Sclerosis",
        "Myasthenia Gravis",
        "Lambert-eaton Myasthenic Syndrome",
        "Primary Lateral Sclerosis",
        "Spinal Muscular Atrophy",
        "Charcot Marie Tooth Disease (CMT)",
        "Fascioscapulohumeral Muscular Dystrophy",
        "Inclusion Body Myositis",
        "Mitochondrial Myopathy",
        "Nemaline Myopathy",
        "Centronuclear Myopathy",
        "Postpolio Syndrome",
        "Pompe Disease (Late-onset)",
        "Chronic Inflammatory Demyelinating Polyneuropathy",
        "Hereditary Spastic Paraplegia",
        "Postural Orthostatic Tachycardia Syndrome (POTS)",
        "Progressive Muscular Atrophy"
      ],
      "interventions": [
        {
          "name": "Whole-body Electrical Muscle Stimulation Exercise",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2026-03-10",
      "completion_date": "2031-01-07",
      "has_results": false,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-10-06T03:58:31.605Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07478172"
    }
  ]
}