{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=39",
    "query": {
      "intervention": "Heart-Rate",
      "page": 39
    },
    "page_size": 10
  },
  "pagination": {
    "page": 39,
    "page_size": 10,
    "total_count": 1714,
    "total_pages": 172,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=40&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart-Rate&page=38&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T16:05:01.977Z",
  "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": "NCT06065033",
      "title": "Exercise Interventions in Post-acute Sequelae of Covid-19",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 0,
      "start_date": "2023-09-09",
      "completion_date": "2024-03-29",
      "has_results": false,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-10-25T16:05:01.977Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06065033"
    },
    {
      "nct_id": "NCT04905160",
      "title": "Care Coordination to Assess Improvement in Outcomes in Hospital Readmissions",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "ADHF",
        "Acute MI"
      ],
      "interventions": [
        {
          "name": "COMPASSION Digital Biomarker",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Aventyn, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2021-02-18",
      "completion_date": "2026-12-22",
      "has_results": false,
      "last_update_posted_date": "2024-03-20",
      "last_synced_at": "2026-10-25T16:05:01.977Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04905160"
    },
    {
      "nct_id": "NCT06330649",
      "title": "The Acute Effect of and Energy Drink vs. Water Consumption on MAP, HR, and Energy Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Hypertension",
        "Diet"
      ],
      "interventions": [
        {
          "name": "Energy Drink",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Water Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "The University of Texas at Arlington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 32,
      "start_date": "2024-01-01",
      "completion_date": "2024-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-01",
      "last_synced_at": "2026-10-25T16:05:01.977Z",
      "location_count": 1,
      "location_summary": "Arlington, Texas",
      "locations": [
        {
          "city": "Arlington",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06330649"
    },
    {
      "nct_id": "NCT02409810",
      "title": "Patient-Controlled Anxiolysis With Dexmedetomidine (PCA-DEX) for Burn-care Dressing Changes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Anxiety",
        "Burns"
      ],
      "interventions": [
        {
          "name": "Dexmedetomidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 20,
      "start_date": "2015-04",
      "completion_date": "2020-03-20",
      "has_results": true,
      "last_update_posted_date": "2023-04-14",
      "last_synced_at": "2026-10-25T16:05:01.977Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02409810"
    },
    {
      "nct_id": "NCT05890183",
      "title": "Improving Cognition Through Telehealth Aerobic Exercise and Cognitive Training After a First Schizophrenia Episode",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizophreniform Disorder",
        "Schizoaffective Disorder"
      ],
      "interventions": [
        {
          "name": "Cognitive training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Aerobic Exercise Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Moderated Online Social Therapy (MOST)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Chorus Participatory Text Messaging Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Healthy Living Group (HLG)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-05-23",
      "completion_date": "2028-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-10-25T16:05:01.977Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05890183"
    },
    {
      "nct_id": "NCT04609683",
      "title": "Measuring Hydration Levels of Healthy and Heart Failure Patients Before, During, and After an Electrophysiology (EP) Procedure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Arrhythmia"
      ],
      "interventions": [
        {
          "name": "AleriTM sensors",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 19,
      "start_date": "2022-09-19",
      "completion_date": "2023-11-05",
      "has_results": false,
      "last_update_posted_date": "2023-11-29",
      "last_synced_at": "2026-10-25T16:05:01.977Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04609683"
    },
    {
      "nct_id": "NCT00625105",
      "title": "Using Heart Rate Variability Biofeedback to Improve Attention and Memory in PTSD+ Combat Veterans",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PTSD"
      ],
      "interventions": [
        {
          "name": "Biofeedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "William Jennings Bryan Dorn VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "20 Years to 40 Years"
      },
      "enrollment_count": 30,
      "start_date": "2011-01",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2014-11-07",
      "last_synced_at": "2026-10-25T16:05:01.977Z",
      "location_count": 1,
      "location_summary": "Columbia, South Carolina",
      "locations": [
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00625105"
    },
    {
      "nct_id": "NCT05830773",
      "title": "Resonance Breathing Intervention Opioid Use Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Resonance Breathing Exercises",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas at Austin",
      "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": "2021-03-09",
      "completion_date": "2023-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-09",
      "last_synced_at": "2026-10-25T16:05:01.977Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05830773"
    },
    {
      "nct_id": "NCT05501366",
      "title": "Strategies to Augment Ketosis: Optimization of Ketone Delivery Strategies",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ketosis"
      ],
      "interventions": [
        {
          "name": "Ketone Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Beverage Tolerability Questionnaire (BTQ) and satiety visual analogue scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood Draw",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Breath Reading",
          "type": "OTHER"
        },
        {
          "name": "Heart Rate Variability",
          "type": "OTHER"
        },
        {
          "name": "CGM/CKM",
          "type": "OTHER"
        },
        {
          "name": "DXA",
          "type": "RADIATION"
        },
        {
          "name": "Urine Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL",
        "BIOLOGICAL",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "20 Years to 30 Years · Male only"
      },
      "enrollment_count": 14,
      "start_date": "2023-06-05",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-10-25T16:05:01.977Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05501366"
    },
    {
      "nct_id": "NCT02657382",
      "title": "Mental Stress Ischemia: Biofeedback Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease",
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Heart Rate Variability (HRV) Biofeedback (BF)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mental Stress Protocol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2015-09",
      "completion_date": "2020-06-24",
      "has_results": false,
      "last_update_posted_date": "2020-09-14",
      "last_synced_at": "2026-10-25T16:05:01.977Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02657382"
    }
  ]
}