{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=6",
    "query": {
      "intervention": "Heart-Rate",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 1713,
    "total_pages": 172,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T00:03:23.615Z",
  "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": "NCT00827801",
      "title": "M. D. Anderson Symptom Inventory - Heart Failure (MDASI-HF) Symptom Management Program",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "MDASI-HF Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2009-01",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2012-07-23",
      "last_synced_at": "2026-10-21T00:03:23.615Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00827801"
    },
    {
      "nct_id": "NCT05273801",
      "title": "Assessing Visual Feedback of HR Monitoring in Rehabilitation - Pilot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise Therapy",
        "Heart Rate Determination"
      ],
      "interventions": [
        {
          "name": "Heart Rate Recording from Multiple Participants, No Visual Feedback",
          "type": "DEVICE"
        },
        {
          "name": "Visual Feedback of Multiple Participant Heart Rates",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Shirley Ryan AbilityLab",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 18,
      "start_date": "2022-01-28",
      "completion_date": "2022-05-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-02",
      "last_synced_at": "2026-10-21T00:03:23.615Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05273801"
    },
    {
      "nct_id": "NCT05622786",
      "title": "Effect of High-Intensity Gait Training Using a Treadmill on Locomotion Recovery in Traumatic Brain Injury Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Traumatic Brain Injury",
        "Gait Disorders, Neurologic"
      ],
      "interventions": [
        {
          "name": "HIGT - physical rehab",
          "type": "OTHER"
        },
        {
          "name": "Low intensity physical therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Carilion Clinic",
      "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": 11,
      "start_date": "2022-10-07",
      "completion_date": "2023-06-15",
      "has_results": false,
      "last_update_posted_date": "2024-04-19",
      "last_synced_at": "2026-10-21T00:03:23.615Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05622786"
    },
    {
      "nct_id": "NCT04898205",
      "title": "Cardiopulmonary Rehabilitation in COVID-19 Longhaulers",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid19",
        "Viral Syndrome"
      ],
      "interventions": [
        {
          "name": "Treadmill Exercise",
          "type": "OTHER"
        },
        {
          "name": "Concentrated Oxygen",
          "type": "OTHER"
        },
        {
          "name": "Concentrated Air",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Noah Greenspan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 24,
      "start_date": "2021-01-21",
      "completion_date": "2022-01-20",
      "has_results": false,
      "last_update_posted_date": "2021-05-25",
      "last_synced_at": "2026-10-21T00:03:23.615Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04898205"
    },
    {
      "nct_id": "NCT01128361",
      "title": "Pilot Study of Aerobic Exercise in Early Alzheimer's Disease(AD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Aerobic Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stretching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Jeff Burns, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2010-05",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-03-13",
      "last_synced_at": "2026-10-21T00:03:23.615Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01128361"
    },
    {
      "nct_id": "NCT03804528",
      "title": "Cognition and Neuroplasticity Sedentary Adults After 8 Weeks of Aerobic Exercise",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sedentary Behavior"
      ],
      "interventions": [
        {
          "name": "Aerobic Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2019-03-08",
      "completion_date": "2021-05-28",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-10-21T00:03:23.615Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03804528"
    },
    {
      "nct_id": "NCT00787176",
      "title": "The Association Between Fluid Administration, Oxytocin Administration, and Fetal Heart Rate Changes",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy",
        "Labor Pain"
      ],
      "interventions": [
        {
          "name": "Group A Intravenous bolus of 1000 ml lactated ringers solution",
          "type": "DRUG"
        },
        {
          "name": "Group B Intravenous bolus bolus 1000 ml lactated ringers solution oxytocin decrease to 1/2 current rate",
          "type": "DRUG"
        },
        {
          "name": "Group C 125 mL/hr of lactated ringers",
          "type": "DRUG"
        },
        {
          "name": "Group D 125 mL/hr lactated ringers oxytocin decreased to 1/2 current rate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 251,
      "start_date": "2007-09",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2022-01-13",
      "last_synced_at": "2026-10-21T00:03:23.615Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00787176"
    },
    {
      "nct_id": "NCT03168789",
      "title": "Tension Tamer Randomized Control Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pre-hypertension"
      ],
      "interventions": [
        {
          "name": "Tension Tamer (TT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Lifestyle education program (SPCTL)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 80,
      "start_date": "2016-10-01",
      "completion_date": "2019-11-22",
      "has_results": false,
      "last_update_posted_date": "2020-01-14",
      "last_synced_at": "2026-10-21T00:03:23.615Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03168789"
    },
    {
      "nct_id": "NCT01547117",
      "title": "Dietary Salt in Postural Tachycardia Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "Blood Volume",
          "type": "RADIATION"
        },
        {
          "name": "Total Blood Volume",
          "type": "RADIATION"
        },
        {
          "name": "Exercise Capacity Test - Bicycle",
          "type": "PROCEDURE"
        },
        {
          "name": "Posture Study",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "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": 38,
      "start_date": "2012-03",
      "completion_date": "2021-12",
      "has_results": true,
      "last_update_posted_date": "2022-02-22",
      "last_synced_at": "2026-10-21T00:03:23.615Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01547117"
    },
    {
      "nct_id": "NCT04096040",
      "title": "Benefits of Microcor in Ambulatory Decompensated Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "μCor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zoll Medical Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 265,
      "start_date": "2019-11-01",
      "completion_date": "2023-10-30",
      "has_results": true,
      "last_update_posted_date": "2025-01-08",
      "last_synced_at": "2026-10-21T00:03:23.615Z",
      "location_count": 67,
      "location_summary": "Sheffield, Alabama • El Cajon, California • Inglewood, California + 60 more",
      "locations": [
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "El Cajon",
          "state": "California"
        },
        {
          "city": "Inglewood",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mission Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04096040"
    }
  ]
}