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Pre-Surgery workouts may sharpen aging brains

NCT ID NCT03601728

Symptom relief Sponsor: University of Pennsylvania 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 This study
Paused for now. It may or may not start again.
Ongoing
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether a personalized exercise program done 2-4 weeks before knee or hip replacement surgery could improve thinking and reduce delirium in adults aged 55 and older. Participants wore activity trackers and used a smartphone app. The study was suspended, so results are not available.

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 28 people

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

Started

Oct 2019

Expected to finish

Dec 2029

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

55 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Adults scheduled for elective arthroplasty; * ≥55 years of age; * Capable of giving informed consent; * Willing to comply either to undergo prehabilitation (cases) or standard preoperative care (control); * Own a smartphone. Exclusion Criteria: * Patients with bilateral or revision surgeries; * Diagnosis of pre-existing dementia; * Test result of \<20 in the MoCA indicating moderate to severe dementia; * Diagnosis of acute stroke; * Diagnosis of neurologic injury; * Current alcohol (more than 2 drinks a day with last drink within the past 3 days) or substance abuse (positive urine dip test for illicit drugs) history at risk of postoperative withdrawal; * Active diagnosis of alcohol or substance abuse; * Recent travel across more than two (2) time zones (within the past month); * Planned travel across more than two (2) time zones during the planned study activities; * Subjects, who have received an experimental drug, used an experimental medical device within 30 days prior to screening, or who gave a blood donation of ≥ one pint within 8 weeks prior to screening; * Subjects without access to WiFi in their or close to home or at work.

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Conditions

The condition(s) this trial relates to.

arthropathy osteoarthritis, hip osteoarthritis, knee

As listed by the trial registrant

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

Arthropathy of hip joint Arthropathy of knee joint

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of Pennsylvania School of Medicine

    Philadelphia, Pennsylvania, 19104, United States

More trials for these conditions

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