{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=FitBit+Flex",
    "query": {
      "intervention": "FitBit Flex"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 16,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=FitBit+Flex&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T12:08:55.614Z",
  "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": "NCT02527876",
      "title": "Exercise, Activity and Smoking in Young Adults",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise, Delayed Control"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Moderate Intensity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Delayed Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "FitBit Flex",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 0,
      "start_date": "2015-08",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2018-01-24",
      "last_synced_at": "2026-09-02T12:08:55.614Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02527876"
    },
    {
      "nct_id": "NCT02743312",
      "title": "Long-Term Effects of Torso-Weighting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Torso Weights",
          "type": "DEVICE"
        },
        {
          "name": "Sham Weights",
          "type": "DEVICE"
        },
        {
          "name": "Fitbit Flex",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "San Francisco State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2015-11",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2018-11-06",
      "last_synced_at": "2026-09-02T12:08:55.614Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02743312"
    },
    {
      "nct_id": "NCT05395377",
      "title": "Preventing Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes"
      ],
      "interventions": [
        {
          "name": "Registered Dietitian/Nutritionist",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diabetes Prevention Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight Watchers, Reimagined",
          "type": "BEHAVIORAL"
        },
        {
          "name": "DPP or RDN Counseling + Medication",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Bariatric Surgery Evaluation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 84,
      "start_date": "2017-12-18",
      "completion_date": "2021-11-16",
      "has_results": false,
      "last_update_posted_date": "2022-05-27",
      "last_synced_at": "2026-09-02T12:08:55.614Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05395377"
    },
    {
      "nct_id": "NCT02945332",
      "title": "Incentivizing Lifestyle Modification to Reduce Disease Burden",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Required supervised walking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-required supervised walking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitbit Flex",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Texas Tech University",
      "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": 8,
      "start_date": "2016-10",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2025-11-24",
      "last_synced_at": "2026-09-02T12:08:55.614Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02945332"
    },
    {
      "nct_id": "NCT02950090",
      "title": "MobilWise: Mobile Phone Remote Coaching After Worksite Joint ADventure Exposure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "MobilWise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitbit Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rush University 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": 61,
      "start_date": "2015-09",
      "completion_date": "2017-08-30",
      "has_results": false,
      "last_update_posted_date": "2018-05-24",
      "last_synced_at": "2026-09-02T12:08:55.614Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02950090"
    },
    {
      "nct_id": "NCT02611219",
      "title": "Deconditioning in Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Hematopoietic and Stem Cell Transplant"
      ],
      "interventions": [
        {
          "name": "General Health Module-Baseline Adolescent-Self Report (13-18 years)",
          "type": "OTHER"
        },
        {
          "name": "General Health Module-Follow Up Adolescent-Self Report (13-18 years)",
          "type": "OTHER"
        },
        {
          "name": "General Health Module-Baseline Parent Report-Adolescent (13-18 years)",
          "type": "OTHER"
        },
        {
          "name": "General Health Module-Follow Up Parent Report-Adolescent (13-18 years)",
          "type": "OTHER"
        },
        {
          "name": "General Health Module-Baseline Parent Report-School Age (5-12 years)",
          "type": "OTHER"
        },
        {
          "name": "General Health Module-Follow Up Parent Report-School Age (5-12 years)",
          "type": "OTHER"
        },
        {
          "name": "Demographic Data Form",
          "type": "OTHER"
        },
        {
          "name": "SCT Daily Activity Log",
          "type": "OTHER"
        },
        {
          "name": "The Functional Independence Measure for Children",
          "type": "OTHER"
        },
        {
          "name": "Manual Muscle Testing",
          "type": "OTHER"
        },
        {
          "name": "3-Minute Step Test",
          "type": "OTHER"
        },
        {
          "name": "HSCT Module-Follow Up Adolescent-Self Report (13-18 years)",
          "type": "OTHER"
        },
        {
          "name": "HSCT Module-Follow Child-Self Report (5-12 years)",
          "type": "OTHER"
        },
        {
          "name": "HSCT Module-Follow Up Parent Report-adolescent (13-18 years)",
          "type": "OTHER"
        },
        {
          "name": "HSCT Module-Follow Up Parent Report-School Age (5-12 years)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 30,
      "start_date": "2015-03",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-05-27",
      "last_synced_at": "2026-09-02T12:08:55.614Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02611219"
    },
    {
      "nct_id": "NCT02387671",
      "title": "Weight Management Among Breast Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Body Weight"
      ],
      "interventions": [
        {
          "name": "Device: FitBit Flex wrist band",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Device: FitBit Aria weight scale",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diet Intake Messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Medical 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": 10,
      "start_date": "2015-02",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2016-07-01",
      "last_synced_at": "2026-09-02T12:08:55.614Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02387671"
    },
    {
      "nct_id": "NCT02966054",
      "title": "Self-monitoring and Reminder Texts to Increase Physical Activity After Cancer: a Pilot Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colon Cancer",
        "Rectum Cancer"
      ],
      "interventions": [
        {
          "name": "Digital Health Physical Activity Intervention Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2014-08",
      "completion_date": "2017-06-20",
      "has_results": false,
      "last_update_posted_date": "2018-04-09",
      "last_synced_at": "2026-09-02T12:08:55.614Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02966054"
    },
    {
      "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": "2026-09-02T12:08:55.614Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02674945"
    },
    {
      "nct_id": "NCT03385083",
      "title": "Clinical Outcomes in Chronic Low Pain Back Utilizing Activity Trackers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Back Pain"
      ],
      "interventions": [
        {
          "name": "Step count monitoring with consulting",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Step count monitoring without consultation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitbit tracker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "New York Institute of Technology",
      "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": 2,
      "start_date": "2017-05-12",
      "completion_date": "2018-05-01",
      "has_results": false,
      "last_update_posted_date": "2018-05-07",
      "last_synced_at": "2026-09-02T12:08:55.614Z",
      "location_count": 1,
      "location_summary": "Old Westbury, New York",
      "locations": [
        {
          "city": "Old Westbury",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03385083"
    }
  ]
}