{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Wireless+Activity+tracker%3A+Fitbit",
    "query": {
      "intervention": "Wireless Activity tracker: Fitbit"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T00:04:38.470Z",
  "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": "NCT06411756",
      "title": "Physical Activity Centers Empowerment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Narrative videos",
          "type": "BEHAVIORAL"
        },
        {
          "name": "A Fitbit activity tracker",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Daily text message",
          "type": "OTHER"
        },
        {
          "name": "Monthly Zoom meeting",
          "type": "OTHER"
        },
        {
          "name": "Website access",
          "type": "OTHER"
        },
        {
          "name": "Printed materials",
          "type": "OTHER"
        },
        {
          "name": "Printed materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "UNC Lineberger Comprehensive 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": 21,
      "start_date": "2024-08-14",
      "completion_date": "2026-05-18",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-09-03T00:04:38.470Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06411756"
    },
    {
      "nct_id": "NCT05942326",
      "title": "Sleep Goal-focused Online Access to Lifestyle Support",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss",
        "Weight, Body"
      ],
      "interventions": [
        {
          "name": "Sleep GOALS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2023-09-21",
      "completion_date": "2025-01-22",
      "has_results": true,
      "last_update_posted_date": "2026-03-24",
      "last_synced_at": "2026-09-03T00:04:38.470Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05942326"
    },
    {
      "nct_id": "NCT04516252",
      "title": "Enhancing BodyWorks: A Canine Health Literacy Module",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity",
        "Overweight Adolescents"
      ],
      "interventions": [
        {
          "name": "BodyWorks Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Canine Curriculum",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ecological Momentary Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical Activity Trackers",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "9 Years to 17 Years"
      },
      "enrollment_count": 202,
      "start_date": "2021-02-27",
      "completion_date": "2025-01-13",
      "has_results": true,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-03T00:04:38.470Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04516252"
    },
    {
      "nct_id": "NCT03364673",
      "title": "Stepping Into Survivorship: Harnessing Behavioral Economics to Improve Quality of Life in Ovarian Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Fitness Tracker",
          "type": "OTHER"
        },
        {
          "name": "Social Incentive (Way to Health)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 29,
      "start_date": "2018-07-20",
      "completion_date": "2020-12-05",
      "has_results": true,
      "last_update_posted_date": "2023-10-13",
      "last_synced_at": "2026-09-03T00:04:38.470Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03364673"
    },
    {
      "nct_id": "NCT02774759",
      "title": "Feasibility of the NEXT Steps Weight Loss Intervention +/- Resistance Training for Endometrial Cancer Survivors: Effect on Lean Mass & Biomarkers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Neoplasms of Female Genital Organs"
      ],
      "interventions": [
        {
          "name": "Accelerometer",
          "type": "DEVICE"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitness Test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Resistance Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Aerobic Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telephone Coaching/Phone Calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video Chat Sessions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson 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": 15,
      "start_date": "2016-10-17",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-09-03T00:04:38.470Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02774759"
    },
    {
      "nct_id": "NCT05249465",
      "title": "Spark: Finding the Optimal Tracking Strategy for Weight Loss in a Digital Health Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Weight Loss",
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Core behavioral weight loss intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-monitoring diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-monitoring weight",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-monitoring steps",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 176,
      "start_date": "2023-09-22",
      "completion_date": "2025-06-23",
      "has_results": false,
      "last_update_posted_date": "2025-07-01",
      "last_synced_at": "2026-09-03T00:04:38.470Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05249465"
    },
    {
      "nct_id": "NCT02324361",
      "title": "Quincy Family, Youth & Technology For Lifestyle Change (FYT-4-LIFE) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pediatric Obesity"
      ],
      "interventions": [
        {
          "name": "Physical Activity",
          "type": "OTHER"
        },
        {
          "name": "Evidence-based information on healthy family routines",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "3 Years to 7 Years"
      },
      "enrollment_count": 48,
      "start_date": "2014-07",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2020-10-22",
      "last_synced_at": "2026-09-03T00:04:38.470Z",
      "location_count": 1,
      "location_summary": "Quincy, Massachusetts",
      "locations": [
        {
          "city": "Quincy",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02324361"
    },
    {
      "nct_id": "NCT02674945",
      "title": "Understanding and Improving Quality of Life Through a Wireless Activity Tracker: Observational Phase",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Tumor"
      ],
      "interventions": [
        {
          "name": "Wireless Activity tracker: Fitbit",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 29,
      "start_date": "2014-09",
      "completion_date": "2018-09",
      "has_results": false,
      "last_update_posted_date": "2022-06-28",
      "last_synced_at": "2026-09-03T00:04:38.470Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02674945"
    }
  ]
}