Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 12:16 PM EDT

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Showing 1–9 of 9 matching trials from the live ClinicalTrials.gov search.
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Conditions
Atrial Fibrillation
Interventions
Electrocardiogram
Diagnostic Test
Lead sponsor
Fitbit LLC
Industry
Eligibility
22 Years and older
Enrollment
472 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
9
States / cities
Washington D.C., District of Columbia • Orlando, Florida • The Villages, Florida + 6 more
Conditions
Health Behavior
Interventions
Fitbit Care intervention arm
Combination Product
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
597 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Cardiovascular Diseases, Metabolic Syndrome
Interventions
Healthy Hearts Family Program
Behavioral
Lead sponsor
Poudre Valley Health System
Other
Eligibility
13 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Loveland, Colorado
Recruiting Not applicable Interventional Accepts healthy volunteers

Generative AI Plan for Care Lab Study

NCT07552311
Conditions
Primary Health Care
Interventions
Fitbit Plan for Care Lab, Baseline Model
Other
Lead sponsor
Fitbit LLC
Industry
Eligibility
18 Years and older
Enrollment
40,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Mountain View, California
Completed Not applicable Interventional Accepts healthy volunteers

Use of a Sleep System to Improve Sleep

NCT05175456
Conditions
Sleep
Interventions
Bedjet, FitBit
Other · Device
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Atrial Fibrillation
Interventions
Single lead ambulatory ECG patch
Diagnostic Test
Lead sponsor
Fitbit LLC
Industry
Eligibility
22 Years and older
Enrollment
450,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
San Francisco, California • Boston, Massachusetts
Conditions
Sleep Apnea
Interventions
Simultaneous assessment of sleep apnea by polysomnogram and wearable device
Diagnostic Test
Lead sponsor
Fitbit LLC
Industry
Eligibility
18 Years and older
Enrollment
303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
5
States / cities
Jasper, Alabama • Burlingame, California • Irvine, California + 2 more
Conditions
Sedentary Lifestyle
Interventions
Mobile App Push Notification (Random Selection), Mobile App Push Notification (Behavior Science Heuristics), Mobile App Push Notification (RL)
Behavioral
Lead sponsor
Fitbit LLC
Industry
Eligibility
22 Years to 60 Years
Enrollment
13,463 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Mountain View, California
Completed No phase listed Observational Accepts healthy volunteers

Menstrual Cycle Study

NCT05999123
Conditions
Menstruation, Ovulation
Interventions
Not listed
Lead sponsor
Fitbit LLC
Industry
Eligibility
18 Years to 42 Years · Female only
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Diego, California