{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fitbit+activity+tracker&page=2",
    "query": {
      "intervention": "Fitbit activity tracker",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fitbit+activity+tracker&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T07:49:03.000Z",
  "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": "NCT02188875",
      "title": "Fitbit One and Text Messaging Prompts to Promote Physical Activity in Overweight/Obese Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Behavior",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "SMS Text Messages & Fitbit One",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitbit One Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 67,
      "start_date": "2013-01",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2019-10-04",
      "last_synced_at": "2026-09-04T07:49:03.000Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02188875"
    },
    {
      "nct_id": "NCT05490641",
      "title": "Know and Own Your Movement-related Metrics Via Wearable Devices",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Survivorship"
      ],
      "interventions": [
        {
          "name": "Glucose-based biofeedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas at Arlington",
      "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": "2023-03-29",
      "completion_date": "2025-12-10",
      "has_results": false,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-09-04T07:49:03.000Z",
      "location_count": 1,
      "location_summary": "Arlington, Texas",
      "locations": [
        {
          "city": "Arlington",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05490641"
    },
    {
      "nct_id": "NCT03569605",
      "title": "Promoting Physical Activity in Young Adult Cancer Survivors Using mHealth and Adaptive Tailored Feedback Strategies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity",
        "Neoplasms",
        "Neoplasms by Site",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Self-help",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 280,
      "start_date": "2018-08-23",
      "completion_date": "2021-01-29",
      "has_results": false,
      "last_update_posted_date": "2021-04-01",
      "last_synced_at": "2026-09-04T07:49:03.000Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03569605"
    },
    {
      "nct_id": "NCT05498415",
      "title": "Feasibility, Acceptability, and Efficacy of the Sleep Move Stand Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Inactivity",
        "Sedentary Behavior",
        "Sleep",
        "Cognitive Function"
      ],
      "interventions": [
        {
          "name": "Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health coaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Activity Monitor",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Iowa",
      "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": 62,
      "start_date": "2022-09-01",
      "completion_date": "2023-03-27",
      "has_results": false,
      "last_update_posted_date": "2023-05-12",
      "last_synced_at": "2026-09-04T07:49:03.000Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05498415"
    },
    {
      "nct_id": "NCT04942535",
      "title": "STEP Together: An Effectiveness-Implementation Study of Social Incentives and Physical Activity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Social Incentive Gamification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social Goals through Incentives to Charity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Daily Performance Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Years and older"
      },
      "enrollment_count": 779,
      "start_date": "2021-09-21",
      "completion_date": "2025-10-11",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-09-04T07:49:03.000Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04942535"
    },
    {
      "nct_id": "NCT06835686",
      "title": "Collaborative Multi-level Obesity Intervention Engaging Communities Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Health Literacy and Culturally Tailored Materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Community-Engaged Health Coaching and Navigation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-Monitoring and Remote Patient Monitoring of weight and physical activity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Community Asset Mapping (CAM)",
          "type": "OTHER"
        },
        {
          "name": "Primary Care Provider Training",
          "type": "OTHER"
        },
        {
          "name": "Obesity Toolkit for Primary Care Providers",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Tulane University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 522,
      "start_date": "2025-03-14",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-04T07:49:03.000Z",
      "location_count": 18,
      "location_summary": "Avondale, Louisiana • Bastrop, Louisiana • Baton Rouge, Louisiana + 15 more",
      "locations": [
        {
          "city": "Avondale",
          "state": "Louisiana"
        },
        {
          "city": "Bastrop",
          "state": "Louisiana"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Franklin",
          "state": "Louisiana"
        },
        {
          "city": "Greensburg",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06835686"
    },
    {
      "nct_id": "NCT03757182",
      "title": "Digitally-Captured Step Counts for Evaluating Performance Status in Advanced Cancer Patients",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Cancer, Metastatic",
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "Wearable activity monitor",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 80,
      "start_date": "2018-12-05",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-08-27",
      "last_synced_at": "2026-09-04T07:49:03.000Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03757182"
    },
    {
      "nct_id": "NCT05843903",
      "title": "Teen Mom Study Feasibility Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity",
        "Sedentary Behavior",
        "Gestational Weight Gain",
        "Social Determinants of Health"
      ],
      "interventions": [
        {
          "name": "#BabyLetsMove",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Mississippi Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "19 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 19 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2025-04-07",
      "completion_date": "2026-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-09-04T07:49:03.000Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05843903"
    },
    {
      "nct_id": "NCT04095923",
      "title": "A Social Media Game to Increase Physical Activity Among Older Adult Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Social media game",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard self-regulation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "65 Years to 85 Years · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2019-12-01",
      "completion_date": "2026-03-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-04T07:49:03.000Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04095923"
    },
    {
      "nct_id": "NCT04820153",
      "title": "Monitoring Physical Activity in Hispanic Women With Chronic Neurological Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neurological Disorder"
      ],
      "interventions": [
        {
          "name": "Physical Activity Monitoring Device",
          "type": "DEVICE"
        },
        {
          "name": "Lifestyle Redesign Coaching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "30 Years and older · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2019-03-26",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2021-04-01",
      "last_synced_at": "2026-09-04T07:49:03.000Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04820153"
    }
  ]
}