{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Disease&page=4",
    "query": {
      "condition": "Heart Disease",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 8739,
    "total_pages": 874,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Disease&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Disease&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T11:36:10.734Z",
  "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": "NCT01161121",
      "title": "Comparison of Intravenous Adenosine Infusion With Regadenoson Bolus for Inducing Maximal Coronary Hyperemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "adenosine",
          "type": "DRUG"
        },
        {
          "name": "regadenoson",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Louis University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2010-07",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2017-06-23",
      "last_synced_at": "2026-10-20T11:36:10.734Z",
      "location_count": 2,
      "location_summary": "Jacksonville, Florida • St Louis, Missouri",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01161121"
    },
    {
      "nct_id": "NCT03549806",
      "title": "Stanford Cardiac Invasive Electrophysiology Novel Computer Experience",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Tachycardia",
        "Atrial Flutter",
        "Arrhythmias, Cardiac"
      ],
      "interventions": [
        {
          "name": "No Intervention. Test is computer algorithm.",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 11,
      "start_date": "2018-06-21",
      "completion_date": "2021-01-11",
      "has_results": false,
      "last_update_posted_date": "2024-12-02",
      "last_synced_at": "2026-10-20T11:36:10.734Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03549806"
    },
    {
      "nct_id": "NCT01269736",
      "title": "Implementation of Practice Standards for ECG Monitoring",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 92057,
      "start_date": "2008-08",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2017-08-31",
      "last_synced_at": "2026-10-20T11:36:10.734Z",
      "location_count": 14,
      "location_summary": "Long Beach, California • San Francisco, California • New Haven, Connecticut + 10 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Portland",
          "state": "Maine"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01269736"
    },
    {
      "nct_id": "NCT06735534",
      "title": "Repeat Ablation of Persistent Atrial Fibrillation, Including Mitral Isthmus Catheter Ablation, With the FARAPULSE Pulsed Field Ablation System",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Persistent Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "FARAPULSE™ Pulsed Field Ablation System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 376,
      "start_date": "2025-06-03",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-20T11:36:10.734Z",
      "location_count": 33,
      "location_summary": "Mobile, Alabama • Jonesboro, Arkansas • Los Angeles, California + 29 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oxnard",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06735534"
    },
    {
      "nct_id": "NCT01089114",
      "title": "Cardiovascular Radiologic and Metabolic Assessment in HIV: An Investigation of Pathophysiology",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV",
        "Cardiovascular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 168,
      "start_date": "2010-03-08",
      "completion_date": "2015-08-07",
      "has_results": false,
      "last_update_posted_date": "2018-02-14",
      "last_synced_at": "2026-10-20T11:36:10.734Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01089114"
    },
    {
      "nct_id": "NCT01031316",
      "title": "Patent Ductus Arteriosus (PDA) Screening Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ductus Arteriosus, Patent"
      ],
      "interventions": [
        {
          "name": "Nondisclosure of screening echocardiogram results",
          "type": "OTHER"
        },
        {
          "name": "Disclosure of screening echocardiogram results",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "72 Hours",
        "sex": "ALL",
        "summary": "Up to 72 Hours"
      },
      "enrollment_count": 88,
      "start_date": "2009-10",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2014-01-03",
      "last_synced_at": "2026-10-20T11:36:10.734Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01031316"
    },
    {
      "nct_id": "NCT05153967",
      "title": "Cooperative Assessment of Late Effects for SCD Curative Therapies",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease",
        "Pulmonary Disease",
        "Renal Disease",
        "Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "4 Years to 65 Years"
      },
      "enrollment_count": 377,
      "start_date": "2022-07-12",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-20T11:36:10.734Z",
      "location_count": 5,
      "location_summary": "Washington D.C., District of Columbia • Atlanta, Georgia • Baltimore, Maryland + 2 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05153967"
    },
    {
      "nct_id": "NCT04521699",
      "title": "Examination of the Impact of CalmiGo's Stress Management Device on Vascular Heath and Cardiovascular Disease Risk.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myocardial Infarction"
      ],
      "interventions": [
        {
          "name": "CalmioGO Stress management device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "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": "2022-01-13",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-10-20T11:36:10.734Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04521699"
    },
    {
      "nct_id": "NCT01048632",
      "title": "Pilot Study of the Safety and Efficacy of Oxandrolone in the Prevention and Treatment of Malnutrition in Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malnutrition"
      ],
      "interventions": [
        {
          "name": "Oxandrolone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "1 Month",
        "sex": "ALL",
        "summary": "Up to 1 Month"
      },
      "enrollment_count": 20,
      "start_date": "2010-07",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2020-01-29",
      "last_synced_at": "2026-10-20T11:36:10.734Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01048632"
    },
    {
      "nct_id": "NCT02979587",
      "title": "The Medtronic Harmony™ Transcatheter Pulmonary Valve Clinical Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Heart Disease",
        "Tetrology of Fallot",
        "RVOT Anomaly",
        "Pulmonary Regurgitation"
      ],
      "interventions": [
        {
          "name": "Harmony TPV System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Heart Valves",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 86,
      "start_date": "2017-01",
      "completion_date": "2031-02",
      "has_results": true,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-10-20T11:36:10.734Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Palo Alto, California • New Haven, Connecticut + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02979587"
    }
  ]
}