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Mysterious moments of clarity in severe dementia under scientific scrutiny

NCT ID NCT05234866

Knowledge-focused Sponsor: NYU Langone Health 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 10, 2026 · Last updated Jul 10, 2026

Summary

This study investigates paradoxical lucidity—brief, unexpected episodes of mental clarity—in people with end-stage dementia. Researchers will use caregiver diaries and video EEG monitoring to capture and analyze these rare events. The goal is to create a standard definition and measurement scale for paradoxical lucidity, and to identify brain activity patterns that may accompany it. The study involves 520 participants in hospice care with advanced dementia.

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 define and measure paradoxical lucidity, potentially leading to better understanding and care for people with advanced dementia.
What could go wrong
This is an early observational study, so it may not lead to any treatment. The episodes are rare and brief, and the research is exploratory.

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 520 people

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

Started

Jun 2022

Expected to finish

May 2027

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

1. Adults over 18 years of age diagnosed with advanced dementia 2. Hospice workers, geriatric, palliative care physicians and other healthcare providers 3. Family, friends and caregivers

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.

Inclusion Criteria: * Age \> 18 years * Advanced (severe) dementia diagnosed using the Global Deterioration Scale (GDS) with a score of 7 or the Palliative Performance Scale (PPS) with a score of less than 30% * Accepted for hospice care based on the Medicare eligibility guidelines * No longer being provided with nutrition or fluids * Anuria (dry diaper) or less than 200cc urine (almost dry diaper) in any 24-hour period Exclusion Criteria: * Cognitive or functional impairment due to a diagnosis other than dementia * Dementia with a GDS score \<7 (mild, moderate, moderately severe dementia). Please refer to rationale outlined for inclusion criteria 2.

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Conditions

The condition(s) this trial relates to.

dementia

As listed by the trial registrant

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

Dementia

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

    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

  • NYU Langone Health

    RECRUITING

    New York, New York, 10016, United States

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