{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=40",
    "query": {
      "intervention": "Heart-Rate",
      "page": 40
    },
    "page_size": 10
  },
  "pagination": {
    "page": 40,
    "page_size": 10,
    "total_count": 1714,
    "total_pages": 172,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=41&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=39&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T01:55:17.489Z",
  "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": "NCT03838627",
      "title": "Feasibility and Agreement of Remote Evaluation of Resting Heart Rate and Heart Rate Variability in Survivors of Hodgkin Lymphoma Treated With Chest Radiation (PILOT STUDY-SURVIVOR)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hodgkin Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2019-02-05",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-10-26T01:55:17.489Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03838627"
    },
    {
      "nct_id": "NCT00686283",
      "title": "Personalized Exercise for Adolescents With Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "PEP intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "12 Years to 19 Years"
      },
      "enrollment_count": 39,
      "start_date": "2007-08",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2014-05-20",
      "last_synced_at": "2026-10-26T01:55:17.489Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00686283"
    },
    {
      "nct_id": "NCT01474200",
      "title": "Study of Heart Failure Hospitalizations After Aquapheresis Therapy Compared to Intravenous (IV) Diuretic Treatment",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Cardiac Failure",
        "Acute Decompensated Heart Failure (ADHF)"
      ],
      "interventions": [
        {
          "name": "Isolated veno-venous ultrafiltration (AQ)",
          "type": "DEVICE"
        },
        {
          "name": "IV Loop Diuretics (LD)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Nuwellis, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 224,
      "start_date": "2012-01",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2023-08-29",
      "last_synced_at": "2026-10-26T01:55:17.489Z",
      "location_count": 38,
      "location_summary": "Huntsville, Alabama • Scottsdale, Arizona • Los Angeles, California + 28 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01474200"
    },
    {
      "nct_id": "NCT05650606",
      "title": "Inpatient Rehabilitation and Post-Discharge Outcomes With High Intensity Gait Training (HIGT) of Patients With Stroke",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cerebral Vascular Accident"
      ],
      "interventions": [
        {
          "name": "High Intensity Gait Training",
          "type": "OTHER"
        },
        {
          "name": "Conventional Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sunnyview Rehabilitation Hospital",
      "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": 2,
      "start_date": "2023-03-18",
      "completion_date": "2023-10-11",
      "has_results": false,
      "last_update_posted_date": "2023-10-13",
      "last_synced_at": "2026-10-26T01:55:17.489Z",
      "location_count": 1,
      "location_summary": "Schenectady, New York",
      "locations": [
        {
          "city": "Schenectady",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05650606"
    },
    {
      "nct_id": "NCT06546163",
      "title": "The Effects of Heart Rate Variability Biofeedback on College Students With Disordered Eating",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eating Disorders",
        "Eating, Binge",
        "Anorexia Nervosa/Bulimia",
        "Eating Disorder Binge",
        "Heart Rate Variability",
        "Psychological Distress",
        "Emotion Regulation",
        "Autonomic Nervous System"
      ],
      "interventions": [
        {
          "name": "Baseline survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Heart rate variability biofeedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Educational materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2024-01-08",
      "completion_date": "2024-08-01",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-10-26T01:55:17.489Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06546163"
    },
    {
      "nct_id": "NCT03644927",
      "title": "Exercise Maintenance in Chronic Pain and PTSD",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Low Back Pain",
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Progressive exercise training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Waitlist Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston University",
      "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": 11,
      "start_date": "2019-01-22",
      "completion_date": "2022-01-06",
      "has_results": true,
      "last_update_posted_date": "2023-01-25",
      "last_synced_at": "2026-10-26T01:55:17.489Z",
      "location_count": 1,
      "location_summary": "Jamaica Plain, Massachusetts",
      "locations": [
        {
          "city": "Jamaica Plain",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03644927"
    },
    {
      "nct_id": "NCT03387605",
      "title": "Effect of Ivabradine in Stage D HF/Cardiogenic Shock Patients on Dobutamine",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure",
        "Cardiogenic Shock",
        "Tachycardia"
      ],
      "interventions": [
        {
          "name": "Ivabradine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Loyola University",
      "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": 40,
      "start_date": "2018-03-15",
      "completion_date": "2020-06",
      "has_results": false,
      "last_update_posted_date": "2019-05-23",
      "last_synced_at": "2026-10-26T01:55:17.489Z",
      "location_count": 1,
      "location_summary": "Maywood, Illinois",
      "locations": [
        {
          "city": "Maywood",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03387605"
    },
    {
      "nct_id": "NCT05826587",
      "title": "Cardiac Rehabilitation Mobile-Health Fall Risk Prevention Intervention",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Rehabilitation"
      ],
      "interventions": [
        {
          "name": "Home-based, m-Health Delivered Physical Function Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cardiac Rehabilitation & Exercise Prescription",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Connected mHealth mobile application",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "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": 128,
      "start_date": "2023-10-09",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-20",
      "last_synced_at": "2026-10-26T01:55:17.489Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05826587"
    },
    {
      "nct_id": "NCT02391987",
      "title": "Integrated Tele-monitoring and Patient-centric Health Coaching Strategy in Patients Hospitalized With Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Tele-monitoring and health coaching",
          "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": 112,
      "start_date": "2015-05",
      "completion_date": "2019-03",
      "has_results": true,
      "last_update_posted_date": "2020-01-29",
      "last_synced_at": "2026-10-26T01:55:17.489Z",
      "location_count": 5,
      "location_summary": "Jacksonville, Florida • Mechanicsville, Virginia • Midlothian, Virginia + 2 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Mechanicsville",
          "state": "Virginia"
        },
        {
          "city": "Midlothian",
          "state": "Virginia"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        },
        {
          "city": "La Crosse",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02391987"
    },
    {
      "nct_id": "NCT03692247",
      "title": "The Impact of Music Therapy on Nociceptive Processing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Smartphone-based Music Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2018-06-07",
      "completion_date": "2018-07-18",
      "has_results": false,
      "last_update_posted_date": "2019-01-30",
      "last_synced_at": "2026-10-26T01:55:17.489Z",
      "location_count": 1,
      "location_summary": "Brookline, Massachusetts",
      "locations": [
        {
          "city": "Brookline",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03692247"
    }
  ]
}