New app helps airmen stay fit for duty
NCT ID NCT06110273
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests a mobile health program called Fit for Duty-mobile to help 350 active-duty Air Force members aged 18-39 prevent weight gain over 2 years. Participants use a smartphone app, get coaching calls, and wear a Fitbit. The goal is to see if this approach can stop unhealthy weight gain in young military personnel.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- mobile health intervention (app, coaching, and Fitbit)
- What this could lead to
- If it works, this could provide an evidence-based program to help military personnel maintain a healthy weight and avoid discharge.
- What could go wrong
- This is a relatively small, early-stage study without a drug or device. Results may not apply to all military branches or civilians.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
-
About 350 people
The number the study aims to enrol. It can still change while the study runs.
- Started
-
Dec 2023
- Expected to finish
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Mar 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 39 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * age 18-39 * body mass index (BMI) of 21-30 kg/m\^2 * own a smartphone with a data and text messaging plan; * Active-Duty military personnel stationed at Joint Base San Antonio - Lackland, Joint Base San Antonio - Ft. Sam Houston, Sheppard Air Force Base or Keesler Air Force Base * Anticipate being at their Station 12 months or more * Willing and able to wear a Fitbit activity tracker daily for the duration of the study Exclusion Criteria: * Currently pregnant, pregnant within the past 6 months, or planning to become pregnant within the next 12 months. * Previous surgical procedure for weight loss in past 5 years or planned weight loss surgery in the next year. * Past diagnosis of or receiving treatment for a clinically diagnosed eating disorder (anorexia nervosa or bulimia nervosa). * Another member of the household is a participant in this same study * Currently participating in a commercial weight loss program
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Joint Base San Antonio-Lackland
San Antonio, Texas, 28236, United States
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