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Can a smartphone and fitbit get latina teens moving? new study finds out.

NCT ID NCT04190225

Knowledge-focused Sponsor: University of California, San Diego Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a tailored digital program could help underactive Latina teenagers (ages 13-18) become more physically active. The program included one-on-one counseling, a personalized website, text message goal-setting, a study Instagram account, and a Fitbit tracker. A total of 160 participants were split into two groups: one received the full program, the other only a Fitbit. The main goal was to see if the program increased moderate-to-vigorous activity after 6 months.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Digital/social media intervention (counseling, website, texts, Instagram, Fitbit)
What this could lead to
If successful, this approach could help increase physical activity in Latina adolescents, potentially reducing long-term health risks.
What could go wrong
This is a completed behavioral study, not a treatment trial. Results may not apply to other groups or settings, and the intervention may not produce lasting changes.

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

160 people

The number who actually took part.

Started

Aug 2020

Finished

May 2024

Lead sponsor

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

13 to 18 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * self identify as Latina * 13-18 years old * read, write, speak English * under active (participating in \<150 minutes of moderate to vigorous physical activity per week) * regular access to the Internet (at least 2 times per week) * regular access to a cell phone that can send and receive text messages Exclusion Criteria: * inability to safely engage in physical activity, as determined by the Physical Activity Readiness Questionnaire * BMI \> 45 * Plan to move from the area within 12 months

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Conditions

The condition(s) this trial relates to.

Motor Activity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Physical activity

Contacts and locations

Locations

  • University of California, San Diego

    La Jolla, California, 92093, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.