{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+ECG",
    "query": {
      "intervention": "Smartphone ECG"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 27,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+ECG&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T03:43:30.635Z",
  "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": "NCT03811795",
      "title": "Cryoballoon vs. Rhythmia Guided Ablation for Recurrent AFib",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "ECG monitoring with a Kardia Mobile monitor",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Valley Health System",
      "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": 9,
      "start_date": "2018-11-27",
      "completion_date": "2022-04-26",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-09-07T03:43:30.635Z",
      "location_count": 3,
      "location_summary": "West Des Moines, Iowa • Paramus, New Jersey • Springfield, Oregon",
      "locations": [
        {
          "city": "West Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Paramus",
          "state": "New Jersey"
        },
        {
          "city": "Springfield",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03811795"
    },
    {
      "nct_id": "NCT05052281",
      "title": "Promoting Healthy Brain Development: Wellness for 2 Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prenatal Stress"
      ],
      "interventions": [
        {
          "name": "Mothers and Babies (MB) Course",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Just in Time Intervention (JITI) Content",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Biostamp nPoint Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2019-07-15",
      "completion_date": "2024-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-02-19",
      "last_synced_at": "2026-09-07T03:43:30.635Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05052281"
    },
    {
      "nct_id": "NCT03515083",
      "title": "Better Outcomes for Anticoagulation Treatment Through Observation of Atrial Rhythm",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-valvular Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Alive Cor Kardia mobile electrocardiogram monitor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Saint Luke's Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2017-07-17",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2023-06-12",
      "last_synced_at": "2026-09-07T03:43:30.635Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03515083"
    },
    {
      "nct_id": "NCT05043454",
      "title": "Improving Age-Related Cognitive Decline With Exercise in Hypertensive Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training (HIIT) Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "55 Years to 75 Years"
      },
      "enrollment_count": 11,
      "start_date": "2021-10-01",
      "completion_date": "2025-07-09",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-09-07T03:43:30.635Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05043454"
    },
    {
      "nct_id": "NCT06609174",
      "title": "AI-SCREENDCM Decentralized Clinical Trial - Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "KardiaRx ECG Screening and AI interpretation of ECG",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "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": 119,
      "start_date": "2024-10-18",
      "completion_date": "2025-09-26",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-09-07T03:43:30.635Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06609174"
    },
    {
      "nct_id": "NCT04267744",
      "title": "Remote Monitoring of Multiple Indicators of Heart Failure",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Myia Health® remote patient monitoring unblinded treatment arm",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 165,
      "start_date": "2020-02-11",
      "completion_date": "2024-08-01",
      "has_results": false,
      "last_update_posted_date": "2023-12-08",
      "last_synced_at": "2026-09-07T03:43:30.635Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04267744"
    },
    {
      "nct_id": "NCT04057404",
      "title": "Smartphone Twelve Lead Electrocardiogram Utility In ST Elevation Myocardial Infarction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ST Elevated Myocardial Infarction"
      ],
      "interventions": [
        {
          "name": "Alivecor Heart Monitor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "INTEGRIS Baptist 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": 60,
      "start_date": "2015-09",
      "completion_date": "2018-07-30",
      "has_results": false,
      "last_update_posted_date": "2019-08-19",
      "last_synced_at": "2026-09-07T03:43:30.635Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04057404"
    },
    {
      "nct_id": "NCT03740477",
      "title": "Screening for Atrial Fibrillation in Native AmeRicans Using iPhone ECG",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "ECG",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "50 Years to 100 Years"
      },
      "enrollment_count": 1019,
      "start_date": "2018-12-03",
      "completion_date": "2020-10-31",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-09-07T03:43:30.635Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03740477"
    },
    {
      "nct_id": "NCT05440318",
      "title": "Use of Wearable Digital Sensors After mRNA Vaccination in Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "Wireless wearable digital devices",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 62,
      "start_date": "2022-06-16",
      "completion_date": "2023-02-07",
      "has_results": false,
      "last_update_posted_date": "2023-04-04",
      "last_synced_at": "2026-09-07T03:43:30.635Z",
      "location_count": 4,
      "location_summary": "Lenexa, Kansas • Lincoln, Nebraska • Austin, Texas + 1 more",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Lincoln",
          "state": "Nebraska"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05440318"
    },
    {
      "nct_id": "NCT04818645",
      "title": "Insertable Cardiac Monitor for Primary Atrial Fibrillation Detection in High-Risk Heart Failure Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "ASSERT Insertable Cardiac Monitor",
          "type": "DEVICE"
        },
        {
          "name": "Conventional Management and monitoring",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 477,
      "start_date": "2023-01-31",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-09-07T03:43:30.635Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04818645"
    }
  ]
}