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Navy tests phone app to keep sailors mentally fit

NCT ID NCT04159480

Knowledge-focused Sponsor: VA Eastern Colorado Health Care System 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 a smartphone app called Cogito Companion to see if it could help assess psychological distress in Navy sailors returning to the U.S. 279 sailors participated, with some using the app and others using standard self-help resources. The main goal was to measure how satisfied users were with the app, not to prove it treats or prevents mental health issues.

What this could mean

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

Active substance
Cogito Companion smartphone app
What this could lead to
If successful, this could provide a new tool for monitoring mental health in military personnel.
What could go wrong
This was a small, completed feasibility study focused on satisfaction, not on proving the app improves mental health outcomes.

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

279 people

The number who actually took part.

Started

Dec 2019

Finished

Mar 2023

Lead sponsor

A government agency

The lead sponsor is a US federal agency other than the NIH.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 55 years

Sex

Anyone

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. * Member of the Navel Surface or Aviation Forces; * Age: 18-55 years at the time of enrollment; * Ability to provide verbal and electronic informed consents; * Ownership of smartphone; * Willingness to use smartphone and personal data plan to participate. Exclusion Criteria. * Having redeployed (returning to the Continental United States) more than twelve months (approximately) prior to consent. * Having an iPhone (until later in 2019 when the Cogito Corporation plans to release the iOS version of the Cogito Companion app).

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As listed by the trial registrant

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

Psychological distress

Contacts and locations

Locations

  • University of Colorado

    Aurora, Colorado, 80045, United States

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