{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=57",
    "query": {
      "intervention": "Heart-Rate",
      "page": 57
    },
    "page_size": 10
  },
  "pagination": {
    "page": 57,
    "page_size": 10,
    "total_count": 1715,
    "total_pages": 172,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=58&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=56&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T12:15:06.595Z",
  "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": "NCT05570721",
      "title": "Depression, Aging, Stress and Heart Health Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menopause",
        "Depression",
        "Heart Disease in Women",
        "Stress"
      ],
      "interventions": [
        {
          "name": "Trier Social Stress Test",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "44 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "44 Years to 55 Years · Female only"
      },
      "enrollment_count": 41,
      "start_date": "2022-11-16",
      "completion_date": "2025-02-25",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-29T12:15:06.595Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05570721"
    },
    {
      "nct_id": "NCT02500628",
      "title": "Heart Rate Variability in Response to Metformin Challenge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fibromyalgia",
        "Mitochondrial Diseases",
        "Movement Disorders",
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Woodinville Psychiatric Associates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2015-07",
      "completion_date": "2016-02",
      "has_results": true,
      "last_update_posted_date": "2018-01-03",
      "last_synced_at": "2026-10-29T12:15:06.595Z",
      "location_count": 1,
      "location_summary": "Woodinville, Washington",
      "locations": [
        {
          "city": "Woodinville",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02500628"
    },
    {
      "nct_id": "NCT02185872",
      "title": "CrossFit Exercise to Improve Glucose Control for Overweight and Obese Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperglycemia"
      ],
      "interventions": [
        {
          "name": "High-Intensity Functional Training",
          "type": "OTHER"
        },
        {
          "name": "Aerobic and Resistance Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kansas State 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": 23,
      "start_date": "2012-02",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2015-03-31",
      "last_synced_at": "2026-10-29T12:15:06.595Z",
      "location_count": 1,
      "location_summary": "Manhattan, Kansas",
      "locations": [
        {
          "city": "Manhattan",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02185872"
    },
    {
      "nct_id": "NCT05720819",
      "title": "Biofeedback-VR for Treatment of Chronic Migraine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Migraine",
        "Behavioral Treatment",
        "Biofeedback",
        "Virtual Reality",
        "Medication Overuse Headache"
      ],
      "interventions": [
        {
          "name": "Combined biofeedback-virtual reality device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Washington",
      "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": 50,
      "start_date": "2020-09-09",
      "completion_date": "2022-03-01",
      "has_results": false,
      "last_update_posted_date": "2023-02-09",
      "last_synced_at": "2026-10-29T12:15:06.595Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05720819"
    },
    {
      "nct_id": "NCT02203630",
      "title": "Phenylephrine Versus Norepinephrine for Septic Shock in Critically Ill Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Septic Shock",
        "Sepsis",
        "Shock",
        "Tachycardia",
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Phenylephrine",
          "type": "DRUG"
        },
        {
          "name": "Norepinephrine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2014-08",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-13",
      "last_synced_at": "2026-10-29T12:15:06.595Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02203630"
    },
    {
      "nct_id": "NCT00951639",
      "title": "Cassia Cinnamon for Glucose Uptake in Young Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insulin Resistance",
        "Impaired Glucose Tolerance",
        "Prediabetes"
      ],
      "interventions": [
        {
          "name": "Cassia cinnamon",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "50 minutes exercise",
          "type": "PROCEDURE"
        },
        {
          "name": "Cellulose Powder",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "PROCEDURE"
      ],
      "sponsor": "Baylor University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 30 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2008-02",
      "completion_date": "2009-05",
      "has_results": false,
      "last_update_posted_date": "2022-03-17",
      "last_synced_at": "2026-10-29T12:15:06.595Z",
      "location_count": 1,
      "location_summary": "Waco, Texas",
      "locations": [
        {
          "city": "Waco",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00951639"
    },
    {
      "nct_id": "NCT06445842",
      "title": "Short-term Circuit Training on Muscle Mass and Quality of Life in Sedentary Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postmenopausal"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "OTHER"
        },
        {
          "name": "No exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2024-05-25",
      "completion_date": "2025-11-25",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-10-29T12:15:06.595Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06445842"
    },
    {
      "nct_id": "NCT03692195",
      "title": "Assessment of Sleep by WHOOP in Ambulatory Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Quality"
      ],
      "interventions": [
        {
          "name": "WHOOP Strap 2.0",
          "type": "DEVICE"
        },
        {
          "name": "No Device",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 35,
      "start_date": "2018-11-01",
      "completion_date": "2019-06-07",
      "has_results": false,
      "last_update_posted_date": "2021-08-09",
      "last_synced_at": "2026-10-29T12:15:06.595Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03692195"
    },
    {
      "nct_id": "NCT04629066",
      "title": "Efficacy and Safety of ICD Remote Monitored Exercise Testing to Improve Heart Failure Outcomes: REMOTE HF-ACTION",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Remote Cardiac Rehabilitation (CR)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2021-04-27",
      "completion_date": "2022-03-15",
      "has_results": true,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-10-29T12:15:06.595Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04629066"
    },
    {
      "nct_id": "NCT03016351",
      "title": "Improving Blood Pressure and Cardiovascular Risk With Resistance Exercise in African Americans",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension",
        "Cardiovascular Diseases",
        "Vascular Diseases"
      ],
      "interventions": [
        {
          "name": "Aerobic Training",
          "type": "OTHER"
        },
        {
          "name": "Resistance Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Illinois Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 140,
      "start_date": "2016-10",
      "completion_date": "2023-04",
      "has_results": false,
      "last_update_posted_date": "2022-11-02",
      "last_synced_at": "2026-10-29T12:15:06.595Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03016351"
    }
  ]
}