{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=15",
    "query": {
      "intervention": "Heart-Rate",
      "page": 15
    },
    "page_size": 10
  },
  "pagination": {
    "page": 15,
    "page_size": 10,
    "total_count": 1714,
    "total_pages": 172,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=16&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=14&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T21:25:58.325Z",
  "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": "NCT02082275",
      "title": "OB Nest; Redefining Continuity of Care for Expectant Mothers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "OB Nest",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "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": 300,
      "start_date": "2014-02",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2016-01-08",
      "last_synced_at": "2026-10-21T21:25:58.325Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02082275"
    },
    {
      "nct_id": "NCT04160000",
      "title": "Treatment Of Atrial Fibrillation In Preserved Cardiac Function Heart Failure",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Heart Failure",
        "Diastolic Heart Failure"
      ],
      "interventions": [
        {
          "name": "Catheter ablation",
          "type": "DEVICE"
        },
        {
          "name": "Rate or Rhythm control antiarrhythmic drugs for atrial fibrillation",
          "type": "DRUG"
        },
        {
          "name": "Insertion of CardioMems Hemodynamic monitor",
          "type": "DEVICE"
        },
        {
          "name": "Empiric heart failure drug therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Electrophysiology Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 360,
      "start_date": "2020-07-26",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-05-23",
      "last_synced_at": "2026-10-21T21:25:58.325Z",
      "location_count": 7,
      "location_summary": "Flagstaff, Arizona • Jonesboro, Arkansas • Littleton, Colorado + 4 more",
      "locations": [
        {
          "city": "Flagstaff",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Overland",
          "state": "Missouri"
        },
        {
          "city": "Warren Township",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04160000"
    },
    {
      "nct_id": "NCT00837902",
      "title": "Genetic Determinants of Response to Beta Blockade",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Atenolol (β-blocker)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 154,
      "start_date": "2009-01",
      "completion_date": "2014-12-31",
      "has_results": true,
      "last_update_posted_date": "2018-11-30",
      "last_synced_at": "2026-10-21T21:25:58.325Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00837902"
    },
    {
      "nct_id": "NCT05774470",
      "title": "Bradycardia Recognition and Detection in Young Infants Part-I",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neonatal Bradycardia",
        "Hypoxemia of Newborn"
      ],
      "interventions": [
        {
          "name": "Owlet OSS 3.0",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "365 Days",
        "sex": "ALL",
        "summary": "1 Day to 365 Days"
      },
      "enrollment_count": 70,
      "start_date": "2023-04-22",
      "completion_date": "2023-07-29",
      "has_results": false,
      "last_update_posted_date": "2024-03-15",
      "last_synced_at": "2026-10-21T21:25:58.325Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05774470"
    },
    {
      "nct_id": "NCT04113057",
      "title": "Home-based Walking Program With Smart Devices",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PAD - Peripheral Arterial Disease"
      ],
      "interventions": [
        {
          "name": "Remote Coaching",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dallas VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 12,
      "start_date": "2019-08-09",
      "completion_date": "2021-05-31",
      "has_results": false,
      "last_update_posted_date": "2021-11-18",
      "last_synced_at": "2026-10-21T21:25:58.325Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04113057"
    },
    {
      "nct_id": "NCT03974737",
      "title": "CRI in POTS in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "CRI device (non-invasive vitals sign measurement)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Years to 21 Years"
      },
      "enrollment_count": 77,
      "start_date": "2019-06-01",
      "completion_date": "2020-09-22",
      "has_results": false,
      "last_update_posted_date": "2021-01-26",
      "last_synced_at": "2026-10-21T21:25:58.325Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03974737"
    },
    {
      "nct_id": "NCT02700945",
      "title": "Rate of Atrial Fibrillation Through 12 Months in Patients With Recent Ischemic Stroke of Presumed Known Origin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke, Acute"
      ],
      "interventions": [
        {
          "name": "Reveal LINQ™ Insertable Cardiac Monitor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 496,
      "start_date": "2016-03",
      "completion_date": "2022-07-28",
      "has_results": true,
      "last_update_posted_date": "2023-05-26",
      "last_synced_at": "2026-10-21T21:25:58.325Z",
      "location_count": 35,
      "location_summary": "Birmingham, Alabama • La Jolla, California • San Francisco, California + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02700945"
    },
    {
      "nct_id": "NCT05997862",
      "title": "A Hip Flexion Feedback System for Exercise Monitoring in Individuals With Osteoarthritis and Obesity",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "HFFS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Southern Mississippi",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 24,
      "start_date": "2023-07-01",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2023-08-18",
      "last_synced_at": "2026-10-21T21:25:58.325Z",
      "location_count": 1,
      "location_summary": "Hattiesburg, Mississippi",
      "locations": [
        {
          "city": "Hattiesburg",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05997862"
    },
    {
      "nct_id": "NCT07783061",
      "title": "Reducing Cardiovascular Risks: The Role of Alcohol Use",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Drinking",
        "Drinking Behavior",
        "At-risk Drinking",
        "Cardiovascular Risk Factor",
        "High Blood Pressure"
      ],
      "interventions": [
        {
          "name": "Alcohol Abstinence",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control arm",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "The University of Texas at Arlington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "26 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "26 Years to 49 Years"
      },
      "enrollment_count": 148,
      "start_date": "2026-10",
      "completion_date": "2031-09",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-21T21:25:58.325Z",
      "location_count": 1,
      "location_summary": "Arlington, Texas",
      "locations": [
        {
          "city": "Arlington",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07783061"
    },
    {
      "nct_id": "NCT06601322",
      "title": "Functional Outcomes in CondUction System Pacing and Right Ventricular Synchrony (FOCUS-Right)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Left Branch Bundle Block",
        "RV - Right Ventricular Abnormality"
      ],
      "interventions": [
        {
          "name": "Pacemaker Interrogation and Electrocardiogram (ECG):",
          "type": "OTHER"
        },
        {
          "name": "Cardiopulmonary Exercise Test (CPET) and Exercise Stress Cardiac Magnetic Resonance (ExeCMR",
          "type": "OTHER"
        },
        {
          "name": "Continuous pacemaker telemetry (CPT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2024-08-23",
      "completion_date": "2025-05-13",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-21T21:25:58.325Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06601322"
    }
  ]
}