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Night shift Workers' eating habits under the microscope

NCT ID NCT04468672

Knowledge-focused Sponsor: Columbia University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how working night shifts changes eating behaviors and appetite compared to day shifts. Researchers will measure food intake, hunger hormones, and fullness in 100 healthy adults who work either day or night shifts. The goal is to understand why night workers are more likely to become obese and develop related health problems.

What this could mean

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

What this could lead to
If successful, this study could help explain why night shift workers are more prone to obesity and related diseases, pointing toward better dietary advice or interventions.
What could go wrong
This is an observational study with no treatment being tested. It will not directly improve health, and results may not apply to all shift workers or lead to clear solutions.

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 100 people

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

Started

Dec 2020

Expected to finish

Jun 2027

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

20 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: * Work \~ 8-hour shifts during day or night on 3 or more consecutive days of the week * BMI 19-35 kg/m\^2 * Age 20-55 years of age * Metabolically healthy * Weight stable over previous 3 months * Lives in New York City area Exclusion Criteria: * Pregnant or less than 1 year postpartum at time of study * Smoking * History of drug or alcohol abuse * Rotating shift work * Habitual sleep duration of more than 6 hour per night * Obstructive sleep apnea * Transmeridian travel * Type 2 diabetes * Cardiovascular disease * Hypertension * Participation in diet or weight loss program in the 3 months prior to enrollment * Psychiatric or sleep disorder * Food allergies or intolerances * Dislike of or unwillingness to eat test foods

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Conditions

The condition(s) this trial relates to.

circadian rhythm sleep disorder, shift work type Feeding Behavior

As listed by the trial registrant

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

Eating behavior Shift work type circadian rhythm sleep disorder

Contacts and locations

Locations

  • Columbia University Irving Medical Center

    New York, New York, 10032, United States

More trials for these conditions

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