{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fitbit+Charge+%C2%AE",
    "query": {
      "intervention": "Fitbit Charge ®"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T04:48:53.800Z",
  "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": "NCT02659358",
      "title": "Evaluating the Use of Wearable Biosensors and PROs to Assess Performance Status in Patients With Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "Fitbit Charge HR®",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cedars-Sinai 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": 37,
      "start_date": "2016-01-24",
      "completion_date": "2017-08-24",
      "has_results": false,
      "last_update_posted_date": "2017-09-25",
      "last_synced_at": "2026-09-05T04:48:53.800Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02659358"
    },
    {
      "nct_id": "NCT04480541",
      "title": "A Pilot Study of Roadmap 2.0 in Oncology Caregivers and Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Roadmap 2.0 information system",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wearable activity sensor",
          "type": "OTHER"
        },
        {
          "name": "Survey administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 138,
      "start_date": "2020-09-18",
      "completion_date": "2023-06-20",
      "has_results": false,
      "last_update_posted_date": "2023-11-29",
      "last_synced_at": "2026-09-05T04:48:53.800Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04480541"
    },
    {
      "nct_id": "NCT02556567",
      "title": "Exploring the Effects of Sleep Patterns and Physical Activity on Asthma in Adolescents With Wrist-worn Smart Devices",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fitbit® Charge Heart Rate (HR) wristband",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Arkansas Children's Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "14 Years to 17 Years"
      },
      "enrollment_count": 23,
      "start_date": "2015-08",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2024-07-31",
      "last_synced_at": "2026-09-05T04:48:53.800Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02556567"
    },
    {
      "nct_id": "NCT04094844",
      "title": "Health Information Technology System (\"Roadmap 2.0\") in the Context of Hematopoietic Cell Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematologic Diseases"
      ],
      "interventions": [
        {
          "name": "Wearable activity sensor",
          "type": "OTHER"
        },
        {
          "name": "Roadmap 2.0 information system",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey administration",
          "type": "OTHER"
        },
        {
          "name": "Roadmap 2.0 information system with Positive Activities",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "5 Years to 75 Years"
      },
      "enrollment_count": 372,
      "start_date": "2020-09-08",
      "completion_date": "2024-08-11",
      "has_results": true,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-09-05T04:48:53.800Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Portland, Oregon",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04094844"
    },
    {
      "nct_id": "NCT02744235",
      "title": "Mainstream Sleep Tracking Devices vs Polysomnography",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Severe Sleep Apnea",
        "Severe Insomnia",
        "Epileptiform Activity"
      ],
      "interventions": [
        {
          "name": "Polysomnography Data",
          "type": "DEVICE"
        },
        {
          "name": "Jawbone UP®",
          "type": "DEVICE"
        },
        {
          "name": "Fitbit Charge ®",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "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": 0,
      "start_date": "2016-03",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2017-04-27",
      "last_synced_at": "2026-09-05T04:48:53.800Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02744235"
    }
  ]
}