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New bus drivers get a boost: study aims to prevent weight gain on the job

NCT ID NCT03730792

Prevention Sponsor: Oregon Health and Science University 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 This study
Running, but no longer taking on new participants.
Completed
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests a program to help new bus operators avoid gaining weight and succeed at work. About 284 new hires from several transit agencies will take part. Some will get the special program, while others follow usual routines. The goal is to see if the program helps them stay healthy and feel more confident on the job.

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 284 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2020

Expected to finish

Jul 2026

An estimate. End dates often move.

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

21 years and older

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: * Hired to work as a transit bus operator at a participating transit authority, and currently in the pre-service training period Exclusion Criteria: * Female participants who are pregnant or become pregnant during the study period will be excluded from body weight related intervention activities and outcome analyses

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Conditions

The condition(s) this trial relates to.

Body Weight Motor Activity Obesity obesity disorder prevention target

As listed by the trial registrant

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

Obesity

Contacts and locations

Locations

  • Oregon Health & Science University

    Portland, Oregon, 97239, United States

More trials for these conditions

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