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Sitting less might help older women age better

NCT ID NCT03473145

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether breaking up long periods of sitting can improve health in overweight women aged 55 and older. Over 400 participants were given health coaching and a device to track their sitting and standing time. The goal was to see if standing more often could lead to better insulin levels and physical function after three months.

What this could mean

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

Active substance
Health coaching and a device to track sitting and standing
What this could lead to
If it works, this could show that simply standing up more often during the day improves health in older women.
What could go wrong
This is a completed study, so results are already known. The intervention is behavioral, not a drug, so any benefits may be modest and hard to maintain long-term.

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

407 people

The number who actually took part.

Started

May 2018

Finished

Dec 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

55 years and older

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: 1. Female; 2. 55 years of age and above; 3. any ethnicity or race; 4. screened to sit for 7 or more hours per day, perform less than 70 sit-to-stand transitions per day 5. ambulatory; 6. medically stable without any health conditions that would inhibit standing or PA; 7. able to give informed consent \& comply with study protocols; 8. able to read and write fluently in English; 9. able to travel to study visits; and 10. no menstruation for at least one year; 11. BMI 25-45 12. able to walk, stand and transition without high risk of falling. Exclusion Criteria: 1. Male; 2. younger than 55 years of age; 3. sit for less than 7 hours per day, perform 71 or more sit-to-stand transitions per day 4. mental state that would preclude complete understanding of the protocol or compliance; 5. physical limitations to completing any of the study conditions; 6. menstruation less than one year prior; 7. unable to complete the Short Physical Performance Battery, 8. Active cancer 9. body Mass Index \<25 or \>45kg/m2, 10. use of insulin

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Conditions

The condition(s) this trial relates to.

Sedentary Behavior

As listed by the trial registrant

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

Contacts and locations

Locations

  • UC San Diego

    La Jolla, California, 92093, United States

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