{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fitbit+tracker&page=3",
    "query": {
      "intervention": "Fitbit tracker",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 144,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fitbit+tracker&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fitbit+tracker&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T10:51:43.550Z",
  "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": "NCT03157713",
      "title": "Financial Incentives for Weight Reduction Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obese"
      ],
      "interventions": [
        {
          "name": "Goal-Directed Financial Incentives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Usual Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Outcome-based Financial Incentives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 668,
      "start_date": "2017-10-16",
      "completion_date": "2021-03-22",
      "has_results": false,
      "last_update_posted_date": "2023-05-30",
      "last_synced_at": "2026-10-21T10:51:43.550Z",
      "location_count": 2,
      "location_summary": "Sylmar, California • Brooklyn, New York",
      "locations": [
        {
          "city": "Sylmar",
          "state": "California"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03157713"
    },
    {
      "nct_id": "NCT04783168",
      "title": "Walking After Surgery to Improve Recovery and Outcomes After Surgery, AIRTECH Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Carcinoma"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Health Promotion and Education",
          "type": "OTHER"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 240,
      "start_date": "2020-11-30",
      "completion_date": "2027-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-21T10:51:43.550Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04783168"
    },
    {
      "nct_id": "NCT02431546",
      "title": "VIDA Mobile Health Cardiovascular Prevention Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Mobile Health Application",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2015-07",
      "completion_date": "2017-03-20",
      "has_results": false,
      "last_update_posted_date": "2018-02-05",
      "last_synced_at": "2026-10-21T10:51:43.550Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02431546"
    },
    {
      "nct_id": "NCT04529824",
      "title": "Glucose Risk Assessment in Employer Populations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes",
        "Pre-diabetes",
        "Glucose Intolerance"
      ],
      "interventions": [
        {
          "name": "Dexcom G6 Continuous Glucose Monitor (CGM) System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "DexCom, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 207,
      "start_date": "2019-04-01",
      "completion_date": "2021-08-01",
      "has_results": false,
      "last_update_posted_date": "2023-02-15",
      "last_synced_at": "2026-10-21T10:51:43.550Z",
      "location_count": 1,
      "location_summary": "Lakeland, Florida",
      "locations": [
        {
          "city": "Lakeland",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04529824"
    },
    {
      "nct_id": "NCT05349227",
      "title": "Comprehensive Outcomes for After Cancer Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Cancer",
        "Breast Cancer",
        "Lung Cancer",
        "Gastric Cancer",
        "Survivorship",
        "Endometrial Cancer",
        "Head and Neck Cancers",
        "Prostate Cancers",
        "Geriatric Oncology",
        "Metastatic Breast Cancer",
        "Metastatic Cancer"
      ],
      "interventions": [
        {
          "name": "Digital Health Coaching Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitbit",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Pack Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 625,
      "start_date": "2022-06-23",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2024-12-11",
      "last_synced_at": "2026-10-21T10:51:43.550Z",
      "location_count": 7,
      "location_summary": "Gainesville, Florida • Boston, Massachusetts • Omaha, Nebraska + 3 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05349227"
    },
    {
      "nct_id": "NCT04766424",
      "title": "Sleep Technology Intervention to Target Cardiometabolic Health",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Elevated Blood Pressure",
        "Habitual Sleep Duration of Less Than or Equal to 7 Hours"
      ],
      "interventions": [
        {
          "name": "Sleep extension intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "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": 120,
      "start_date": "2021-03-30",
      "completion_date": "2025-06-14",
      "has_results": false,
      "last_update_posted_date": "2024-06-25",
      "last_synced_at": "2026-10-21T10:51:43.550Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04766424"
    },
    {
      "nct_id": "NCT02494869",
      "title": "Dose-Response of Aerobic Training in Women at High-Risk for Development of Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "High Risk for Developing Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Nonlinear Aerobic Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Height, Weight, BMI measure",
          "type": "OTHER"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Cardiopulmonary exercise test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 75,
      "start_date": "2015-07",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-08-05",
      "last_synced_at": "2026-10-21T10:51:43.550Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02494869"
    },
    {
      "nct_id": "NCT05714280",
      "title": "PA4Health Physical Activity App Open Pilot Study for African American Women",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Test Acceptability/Usability of a Physical Activity App Developed for African American Women"
      ],
      "interventions": [
        {
          "name": "PA4Health Open Pilot",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "City University of New York, School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 64 Years · Female only"
      },
      "enrollment_count": 15,
      "start_date": "2023-02-25",
      "completion_date": "2025-10-30",
      "has_results": false,
      "last_update_posted_date": "2025-08-22",
      "last_synced_at": "2026-10-21T10:51:43.550Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05714280"
    },
    {
      "nct_id": "NCT07768670",
      "title": "AI-Based Personalized Exercise Prescription Through Mobile Health on Physical Activity and Health Outcomes in Older Adults: A Feasibility Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Feasibility Studies",
        "Physical Activity",
        "Mental Health (Depression)",
        "Anxiety",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Fitness app powered by AI and wearable device",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2026-10-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-21T10:51:43.550Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07768670"
    },
    {
      "nct_id": "NCT03167372",
      "title": "Pilot Comparison of N-of-1 Trials of Light Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Health Behavior",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Litebook® Advantage",
          "type": "OTHER"
        },
        {
          "name": "Fitbit Flex2 TM",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2017-09-06",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-06-25",
      "last_synced_at": "2026-10-21T10:51:43.550Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03167372"
    }
  ]
}