{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=23",
    "query": {
      "intervention": "Heart-Rate",
      "page": 23
    },
    "page_size": 10
  },
  "pagination": {
    "page": 23,
    "page_size": 10,
    "total_count": 1714,
    "total_pages": 172,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=24&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=22&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T20:56:29.945Z",
  "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": "NCT07737873",
      "title": "Examining Relationships Between Musculoskeletal Function Measurements of Movement Efficiency and Nervous System Function After Chronic Stroke",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stroke",
        "Osteopathic Medicine",
        "Physical Examination",
        "Heart Rate Variability (HRV)",
        "Energy Expenditure",
        "Patient Reported Outcome (PRO)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, Davis",
      "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": "2026-07-01",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-22T20:56:29.945Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07737873"
    },
    {
      "nct_id": "NCT02965638",
      "title": "Trial of Maternal Oxygen for Fetal Left Heart Hypoplasia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fetal Left Heart Hypoplasia"
      ],
      "interventions": [
        {
          "name": "Oxygen",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Shaine Morris",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 60 Years · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2015-09",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-10-22T20:56:29.945Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02965638"
    },
    {
      "nct_id": "NCT03757988",
      "title": "Targeting Physical Health in Schizophrenia: Physical Activity Can Enhance Life",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Brief Psychotic Disorder",
        "Schizophreniform Disorder",
        "Unspecified Schizophrenia Spectrum and Other Psychotic Disorder"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention- PACE-Life",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": 17,
      "start_date": "2018-12-06",
      "completion_date": "2019-09-11",
      "has_results": true,
      "last_update_posted_date": "2020-09-21",
      "last_synced_at": "2026-10-22T20:56:29.945Z",
      "location_count": 2,
      "location_summary": "Chapel Hill, North Carolina • Raleigh, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03757988"
    },
    {
      "nct_id": "NCT02725060",
      "title": "Autoimmune Basis for Postural Tachycardia Syndrome",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome",
        "Postural Tachycardia Syndrome",
        "Tachycardia",
        "Arrhythmias, Cardiac",
        "Autonomic Nervous System Diseases",
        "Orthostatic Intolerance",
        "Cardiovascular Diseases",
        "Primary Dysautonomias"
      ],
      "interventions": [
        {
          "name": "phenylephrine",
          "type": "DRUG"
        },
        {
          "name": "isoproterenol",
          "type": "DRUG"
        },
        {
          "name": "25 micro-Ci of radiation",
          "type": "RADIATION"
        },
        {
          "name": "Posture study with blood samples",
          "type": "PROCEDURE"
        },
        {
          "name": "24-hour heart rhythm and blood pressure monitoring",
          "type": "PROCEDURE"
        },
        {
          "name": "Quantitative Axonal Sudomotor Reflex Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Autonomic function tests",
          "type": "PROCEDURE"
        },
        {
          "name": "Rebreathing test",
          "type": "OTHER"
        },
        {
          "name": "Assessment of splanchnic capacitance",
          "type": "OTHER"
        },
        {
          "name": "microneurography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 58,
      "start_date": "2016-02",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-10-22T20:56:29.945Z",
      "location_count": 2,
      "location_summary": "Oklahoma City, Oklahoma • Nashville, Tennessee",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02725060"
    },
    {
      "nct_id": "NCT06163586",
      "title": "Massage Therapy in Premature Neonates",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neonatal Prematurity",
        "Massage Therapy"
      ],
      "interventions": [
        {
          "name": "Neonatal Touch and Massage Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "24 Weeks",
        "maximum_age": "32 Weeks",
        "sex": "ALL",
        "summary": "24 Weeks to 32 Weeks"
      },
      "enrollment_count": 32,
      "start_date": "2023-11-01",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-10",
      "last_synced_at": "2026-10-22T20:56:29.945Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06163586"
    },
    {
      "nct_id": "NCT03449979",
      "title": "Single Session of tACS in a Depressive Episode",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Major Depressive Disorder",
        "Premenstrual Dysphoric Disorder",
        "Depressive Episode"
      ],
      "interventions": [
        {
          "name": "XCSITE100 Stimulator Sham",
          "type": "DEVICE"
        },
        {
          "name": "XCSITE100 Stimulator tACS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 84,
      "start_date": "2018-09-19",
      "completion_date": "2019-08-16",
      "has_results": true,
      "last_update_posted_date": "2020-06-04",
      "last_synced_at": "2026-10-22T20:56:29.945Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03449979"
    },
    {
      "nct_id": "NCT00143988",
      "title": "Heart Rate and Blood Pressure Response During Exercise and Sexual Activity in Normotensive and Hypertensive Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Rate",
        "Blood Pressure"
      ],
      "interventions": [
        {
          "name": "Treadmill testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ambulatory Blood Pressure and Heart Rate Monitoring",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Medicine and Dentistry of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 36,
      "start_date": "2004-05",
      "completion_date": "2007-03",
      "has_results": false,
      "last_update_posted_date": "2009-08-24",
      "last_synced_at": "2026-10-22T20:56:29.945Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00143988"
    },
    {
      "nct_id": "NCT03283163",
      "title": "Neurobiological and Psychological Benefits of Exercise in Chronic Pain and PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Musculoskeletal Pain",
        "Posttraumatic Stress Disorder (PTSD)",
        "Mild or Moderate Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Exercise Testing and Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 23,
      "start_date": "2014-08-25",
      "completion_date": "2022-08-31",
      "has_results": true,
      "last_update_posted_date": "2024-08-14",
      "last_synced_at": "2026-10-22T20:56:29.945Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03283163"
    },
    {
      "nct_id": "NCT03496116",
      "title": "The Influence of Electronic (ECIG) Heater Resistance on ECIG Acute Effects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "ECIG Session",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 38,
      "start_date": "2018-05-21",
      "completion_date": "2018-12-17",
      "has_results": false,
      "last_update_posted_date": "2019-05-09",
      "last_synced_at": "2026-10-22T20:56:29.945Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03496116"
    },
    {
      "nct_id": "NCT03544307",
      "title": "Taekwondo Training and Postmenopausal Women With Stage-2 Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menopause",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Taekwondo training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kosin University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "65 Years to 85 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2017-05-01",
      "completion_date": "2018-03-01",
      "has_results": true,
      "last_update_posted_date": "2020-11-10",
      "last_synced_at": "2026-10-22T20:56:29.945Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03544307"
    }
  ]
}