{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiovascular+Phenotype",
    "query": {
      "condition": "Cardiovascular Phenotype"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 51,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiovascular+Phenotype&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T03:36:40.972Z",
  "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": "NCT04858178",
      "title": "Transcutaneous Spinal Cord Neuromodulation to Normalize Autonomic Phenotypes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injuries",
        "Autonomic Imbalance",
        "Autonomic Dysreflexia",
        "Orthostatic; Hypotension, Neurogenic"
      ],
      "interventions": [
        {
          "name": "Tests of sympathetic inhibition",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tests of sympathetic activation",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Testing of autonomic dysreflexia",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Transcutaneous spinal cord stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DEVICE"
      ],
      "sponsor": "Spaulding Rehabilitation Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 4,
      "start_date": "2022-02-17",
      "completion_date": "2022-11-14",
      "has_results": false,
      "last_update_posted_date": "2023-04-14",
      "last_synced_at": "2026-06-10T03:36:40.972Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04858178"
    },
    {
      "nct_id": "NCT01873963",
      "title": "Genotype-Phenotype Associations in Pediatric Cardiomyopathy (PCM GENES)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dilated Cardiomyopathy",
        "Hypertrophic Cardiomyopathy",
        "Restrictive Cardiomyopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wayne State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 544,
      "start_date": "2013-04",
      "completion_date": "2018-03-31",
      "has_results": false,
      "last_update_posted_date": "2018-05-01",
      "last_synced_at": "2026-06-10T03:36:40.972Z",
      "location_count": 11,
      "location_summary": "Aurora, Colorado • Miami, Florida • Chicago, Illinois + 8 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01873963"
    },
    {
      "nct_id": "NCT02316314",
      "title": "Characterization of the Cardiac Phenotype of Friedreich's Ataxia (FRDA)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Friedreich's Ataxia"
      ],
      "interventions": [
        {
          "name": "Cardiac magnetic resonance imaging (CMR)",
          "type": "PROCEDURE"
        },
        {
          "name": "Exercise-stress test",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiogram (ECHO)",
          "type": "PROCEDURE"
        },
        {
          "name": "Cardiac-related blood studies",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "12 Years to 50 Years"
      },
      "enrollment_count": 100,
      "start_date": "2015-01-15",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-08-19",
      "last_synced_at": "2026-06-10T03:36:40.972Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02316314"
    },
    {
      "nct_id": "NCT05788666",
      "title": "Use of GeriKit to Better Phenotype Older Adults With Ischemic Heart Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ischemic Heart Disease"
      ],
      "interventions": [
        {
          "name": "GeriKit Mobile Application",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "75 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "75 Years to 100 Years"
      },
      "enrollment_count": 150,
      "start_date": "2024-01-18",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-11",
      "last_synced_at": "2026-06-10T03:36:40.972Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05788666"
    },
    {
      "nct_id": "NCT04435457",
      "title": "Cardiovascular Implications of COVID-19",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV 2",
        "SARS Pneumonia",
        "COVID-19",
        "SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere",
        "Cardiac Complication"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Texas Southwestern Medical Center",
      "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": 42,
      "start_date": "2020-09-01",
      "completion_date": "2023-05-20",
      "has_results": false,
      "last_update_posted_date": "2023-05-23",
      "last_synced_at": "2026-06-10T03:36:40.972Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04435457"
    },
    {
      "nct_id": "NCT06081543",
      "title": "Ketogenic Diet vs Mixed Diet in Patients With Heart Failure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure With Preserved Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Ketogenic diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Low-fat Mixed diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ohio State University",
      "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": 90,
      "start_date": "2023-05-19",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-03",
      "last_synced_at": "2026-06-10T03:36:40.972Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06081543"
    },
    {
      "nct_id": "NCT00001881",
      "title": "Signs and Symptoms of Genetic Abnormalities Linked to Inherited Heart Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiomyopathy, Hypertrophic, Familial"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 9999,
      "start_date": "1999-03",
      "completion_date": "2001-04",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-10T03:36:40.972Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001881"
    },
    {
      "nct_id": "NCT00861575",
      "title": "Cardiogenomics Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Piedmont Healthcare",
      "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": 2601,
      "start_date": "2006-02",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2017-11-20",
      "last_synced_at": "2026-06-10T03:36:40.972Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00861575"
    },
    {
      "nct_id": "NCT01688986",
      "title": "Environmental Polymorphisms Registry Health and Exposures Survey",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes",
        "Heart Disease",
        "Asthma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9000,
      "start_date": "2012-08-25",
      "completion_date": "2016-11-22",
      "has_results": false,
      "last_update_posted_date": "2018-08-31",
      "last_synced_at": "2026-06-10T03:36:40.972Z",
      "location_count": 1,
      "location_summary": "Research Triangle Park, North Carolina",
      "locations": [
        {
          "city": "Research Triangle Park",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01688986"
    },
    {
      "nct_id": "NCT07182955",
      "title": "Determinants of Cardiorespiratory Fitness and Effects of HIIT in Patients With ANOCA Obstructive Coronary Artery Disease(ANOCA)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "MINOCA",
        "Shortness of Breath",
        "Atherosclerotic Heart Disease of Native Coronary Artery"
      ],
      "interventions": [
        {
          "name": "EXERCISE TRAINING WITH OR WITHOUT MEDICATION",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 25,
      "start_date": "2025-08-11",
      "completion_date": "2026-04-14",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-06-10T03:36:40.972Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07182955"
    }
  ]
}