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Massive new study aims to stop Post-Surgery confusion in seniors

NCT ID NCT04355195

Prevention 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 study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 01, 2026 · Updated 4 times

Summary

This study tests a structured care program to prevent postoperative delirium (sudden confusion) in patients aged 70 and older undergoing surgery. Over 18,000 participants will receive evidence-based prevention measures, with electronic tracking to ensure consistency. Additional sub-studies explore how blood pressure changes and brain wave monitoring might predict delirium risk.

What this could mean

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

Active substance
structured care program (evidence-based prevention measures, electronic documentation, and monitoring devices)
What this could lead to
If successful, this could establish a practical, hospital-wide approach to reduce postoperative delirium in older patients, improving recovery and quality of life.
What could go wrong
This is an implementation study, not a drug trial, so benefits depend on hospital staff following the program consistently. The sub-studies are exploratory and may not yield clear results.

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

About 18,100 people

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

Started

Apr 2020

Expected to finish

Jun 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.

Who is studied

Patients aged ≥70 years, male and female, who are receiving surgery

Ages

70 years and older

Sex

Anyone

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: * Age ≥ 70 years * male and female patients * Patients who are insured with BARMER, HEK, KKH, DAK, TK or hkk Health insurances * Patients eligible for inclusion: by the patient, preoperatively * Incapacitated patients for inclusion: Written informed consent by a legal representative * surgery (elective and not elective) Exclusion criteria: * Moribund patients * Not enough language skills

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Conditions

The condition(s) this trial relates to.

delirium

As listed by the trial registrant

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

Delirium in old age

How to take part

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

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    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

  • Department of Anesthesiology and Intensive Care Medicine (CBF), Charité - Universitätsmedizin Berlin

    RECRUITING

    Berlin, 12203, Germany

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

    RECRUITING

    Berlin, 13353, Germany

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