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Can a web app spot brain fog years later? study tests home-based cognitive checkups

NCT ID NCT06716528

Knowledge-focused Sponsor: Charite University, Berlin, Germany 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study followed 76 people from an earlier study (BioCog) to see if their thinking and memory skills changed 7 to 10 years later. Participants took cognitive tests through a web application at home, plus a phone or video visit. The goal was to see if remote testing can reliably detect long-term cognitive deficits.

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 could help develop a convenient, home-based method to track long-term cognitive decline after surgery or illness.
What could go wrong
This is a small, observational follow-up study with no treatment being tested. Results may not apply to broader populations.

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

76 people

The number who actually took part.

Started

Jan 2025

Finished

Apr 2026

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

Patients and subjects from the Berlin BioCog cohort.

Ages

18 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.

Patients Inclusion Criteria: * Patients of Berliner BioCog cohort with cognitive Testing (CANTAB Research Suite) at Baseline and with plasma samples for baseline that can be contacted. * Written informed consent for participation in the BioCog-Web study. * Data and reserve samples from patients in the Berlin BioCog cohort who can no longer be contacted. Exclusion Criteria: * None Subjects Inclusion Criterion: -BioCog subjects of the non-operated comparison cohort from Berlin with cognitive testing (CANTAB Research Suite) at baseline who are contactable Exclusion criteria: -None

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Conditions

The condition(s) this trial relates to.

Cognition Disorders

As listed by the trial registrant

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

Cognitive deficits

Contacts and locations

Locations

  • Department of Anesthesiology and Intensive Care Medicine (CCM/CVK), Charité - University Medicine Berlin

    Berlin, 13355, Germany