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Smartphone brain tests may spot seniors at risk for post-surgery confusion

NCT ID NCT05566275

Knowledge-focused Sponsor: University of California, San Francisco 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 pilot study tested whether remote smartphone tests of thinking, memory, and motor function can identify older adults who may be vulnerable to cognitive problems after spine surgery. 34 participants completed the tests before surgery, and researchers tracked who developed postoperative delirium. The goal was to see if remote testing could help target cognitive care pathways.

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.

Participants

34 people

The number who actually took part.

Started

Jun 2022

Finished

Feb 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.

Who is studied

Adults undergoing surgery

Ages

65 to 99 years

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: * Spine surgery with a duration greater than or equal to three hours * Can speak, write, and understand English * Ability to participate in remote visit Exclusion Criteria: * Participating in other cognitive studies * Having more than one surgery (planned multiday surgery) * Emergency surgery

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Conditions

The condition(s) this trial relates to.

Cognitive Dysfunction delirium

As listed by the trial registrant

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

Delirium Mild cognitive impairment

Contacts and locations

Locations

  • University of California San Francisco

    San Francisco, California, 94158, United States

More trials for these conditions

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