Obesity Trial, Recruiting

Written by an AI model from ClinicalTrials.gov eligibility criteria and checked on a sample basis. Please confirm against the original criteria.

Who might be able to join this trial:

• Adults aged 18 years or older
• People with a Body Mass Index (BMI) of 25.0 or higher (a measure of body weight relative to height)
• People who weigh 175 kg (approximately 386 lbs) or less, due to the study scale's weight limit
• People who own a smartphone that works with the Fitbit app — for example, an Apple iPhone running iOS 16.4 or higher, or an Android phone running Android 11 or higher — with an active cellular and data plan

Who may not be able to join:

• People who weigh more than 175 kg, due to the study scale's weight limit
• People whose smartphone is not compatible with the Fitbit app
• People who have previously had weight-loss (bariatric) surgery, or who are planning to have it during the study
• People who are currently taking weight-loss medications, or who have taken them in the past 6 months
• People who are currently taking part in a weight-loss program
• People who have lost 10 pounds or more in the 6 months before the initial screening
• People who have physical limitations that prevent them from walking at a brisk pace for at least 10 minutes without stopping
• People who use a pacemaker or any other implanted medical device
• People who are currently pregnant, currently breastfeeding, less than one year after giving birth, or planning to become pregnant during the study period
• People who have been diagnosed with diabetes, high blood pressure, or coronary heart disease and have not provided written confirmation that they have spoken with their doctor about joining the study
• Households where another person is already enrolled in the study — enrollment is limited to one person per household
• People with medical conditions that make weight loss inadvisable or that would prevent them from completing the study, such as a current cancer diagnosis, a terminal illness, or dementia (confirm with trial site)
• People whose medications that can affect weight have changed in the past 6 months
• People who have had a self-reported eating disorder within the past 5 years
• People who are unable to complete the full 17-week study, for example due to plans to move during that time
• People who are unable or unwilling to provide informed consent
• People who are not able to read English at approximately a 5th-grade level
• People who are unwilling to be randomly assigned to a study group
• People who are unable or unwilling to download the study app, wear the physical activity monitor, or use the study scale
• People who do not complete the baseline assessments at the start of the study
• People who do not complete at least 4 out of 6 days of tracking their diet and weight during the initial practice period before the study begins
• People with any other condition that, in the opinion of the lead researcher, would negatively affect their ability to participate (confirm with trial site)

Important: Always verify eligibility with the trial site directly before applying.