{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Measure+heart+rate",
    "query": {
      "intervention": "Measure heart rate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 342,
    "total_pages": 35,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Measure+heart+rate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T21:39:53.402Z",
  "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": "NCT04641325",
      "title": "Marfan Syndrome Moderate Exercise Pilot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Marfan Syndrome"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention Group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Years to 21 Years"
      },
      "enrollment_count": 23,
      "start_date": "2020-11-09",
      "completion_date": "2022-12-20",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-09-02T21:39:53.402Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04641325"
    },
    {
      "nct_id": "NCT02518100",
      "title": "Vital Signs Patch: Automated Monitoring of Vital Signs Measurements in the In-Patient Hospital Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Automated Measurement of Vital Signs"
      ],
      "interventions": [
        {
          "name": "Vital Signs Patch (VSP) System 3-Lead (NEHB) Configuration",
          "type": "DEVICE"
        },
        {
          "name": "Vital Signs Patch (VSP) System 1-Lead (PAL) Configuration",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "LifeWatch Services, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2015-09-22",
      "completion_date": "2017-04-10",
      "has_results": false,
      "last_update_posted_date": "2017-04-12",
      "last_synced_at": "2026-09-02T21:39:53.402Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02518100"
    },
    {
      "nct_id": "NCT03694626",
      "title": "Objectively Diagnose and Monitor Treatment of Light Sensitivity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Photophobia",
        "Traumatic Brain Injury",
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Pupillography",
          "type": "DEVICE"
        },
        {
          "name": "Ocular Coherence Tomography (OCT)",
          "type": "DEVICE"
        },
        {
          "name": "Wrist-watch sensor device",
          "type": "DEVICE"
        },
        {
          "name": "Videography",
          "type": "DEVICE"
        },
        {
          "name": "Electrophysiology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Randy Kardon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 120,
      "start_date": "2019-07-11",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-24",
      "last_synced_at": "2026-09-02T21:39:53.402Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03694626"
    },
    {
      "nct_id": "NCT02103582",
      "title": "Quit and Fit: A Tobacco Cessation and Energy Balance Pilot for African Americans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 69 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2013-04",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2017-11-29",
      "last_synced_at": "2026-09-02T21:39:53.402Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02103582"
    },
    {
      "nct_id": "NCT07735403",
      "title": "Dozee Validation for Contactless Heart Rate and Respiration Monitoring in Clinical Settings",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "No Specific Medical Conditions or Disease States"
      ],
      "interventions": [
        {
          "name": "Telemetry monitoring",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Turtle Shell Technologies Pvt. Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "22 Years to 100 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-07-15",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-09-02T21:39:53.402Z",
      "location_count": 1,
      "location_summary": "Lake Jackson, Texas",
      "locations": [
        {
          "city": "Lake Jackson",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07735403"
    },
    {
      "nct_id": "NCT05074875",
      "title": "COVID-19 Respiratory Outcomes Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Questionnaires and Patient Reported Outcomes (PROs)",
          "type": "OTHER"
        },
        {
          "name": "Nasal Swab COVID-19 reverse transcription polymerase chain reaction test (RT-PCR)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Samples for Biomarkers",
          "type": "GENETIC"
        },
        {
          "name": "High Resolution Computed Tomography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Physical Exam and Vital Signs",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Medical Research Council Sum Score",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hand Grip Strength",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Spirometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Diffusing Capacity of Carbon Monoxide",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "6 Minute Walk Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Sit to Stand (STS) Measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST",
        "GENETIC"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2021-01-15",
      "completion_date": "2023-05-09",
      "has_results": false,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-09-02T21:39:53.402Z",
      "location_count": 4,
      "location_summary": "St Louis, Missouri • New York, New York • Houston, Texas",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05074875"
    },
    {
      "nct_id": "NCT06753045",
      "title": "Health Electronic Assessment of Risks and Trends Using Biometric Equipment and Technology",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Smartwatch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tulane University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 10000,
      "start_date": "2024-10-08",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-09-02T21:39:53.402Z",
      "location_count": 3,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06753045"
    },
    {
      "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": "2026-09-02T21:39:53.402Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05830773"
    },
    {
      "nct_id": "NCT04514354",
      "title": "The Influence of Cardiorespiratory Fitness on Firefighter Cardiovascular Health Under Exercise Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Post-Exercise Hypotension"
      ],
      "interventions": [
        {
          "name": "GEST",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2015-04",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2020-08-14",
      "last_synced_at": "2026-09-02T21:39:53.402Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04514354"
    },
    {
      "nct_id": "NCT02327637",
      "title": "A Comparison of Bed Rest Versus Moderate Activity in Preterm Premature Rupture of Membranes (PPROM)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Preterm Premature Rupture of the Membranes",
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Moderate Activity",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "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": 5,
      "start_date": "2014-12",
      "completion_date": "2016-12-12",
      "has_results": false,
      "last_update_posted_date": "2019-06-06",
      "last_synced_at": "2026-09-02T21:39:53.402Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02327637"
    }
  ]
}