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Memory aid could unlock hidden mental health history

NCT ID NCT06804525

Knowledge-focused Sponsor: The University of Hong Kong 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether using a life history calendar—a simple grid that helps people recall important life events—can improve the accuracy of mental health surveys. Researchers in Hong Kong will ask 2,500 adults about their mental health using either a standard interview or one assisted by the calendar. The goal is to see if the calendar helps people remember past episodes of depression, anxiety, and other conditions more reliably.

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 lead to more accurate ways to measure lifetime mental health experiences in large surveys, improving research and understanding.
What could go wrong
This is an early-stage study focused on measurement, not treatment. The calendar may not improve recall for everyone, and results may not apply outside Hong Kong.

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 2,500 people

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

Started

Jan 2025

Expected to finish

Apr 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

This study is a sub-study of the District Health Profile (DHP), which is a district-level representative descriptive cross-sectional study. In DHP, 1% of households in selected Hong Kong districts will be randomly selected from the Census and Statistics Department's list of quarters, with stratification based on districts and housing types; all persons aged 18 and above in the recruited households will be included and surveyed. For participants who consent to join the DHP study, a sub-sample of 2,500 participants aged 25 or above will be randomly selected and assigned to two groups through a random process. All 2,500 individuals will complete the survey for the DHP study, including the CIDI-5 section. When administering the CIDI-5, one group of 1,250 individuals will be interviewed using only the CIDI-5, while the other group of 1,250 individuals will be interviewed with LHC first, followed by the CIDI-5.

Ages

25 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: * All household members aged 25 years old and over are randomly sampled from the Census and Statistics Department List of Quarters * Live in the address sampled from the Census and Statistics Department List of Quarters * Reside in Hong Kong for at least six months in the past year * Able to read and communicate in Chinese or English * Without linguistic or cognitive difficulties Exclusion Criteria: * Domestic workers

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Conditions

The condition(s) this trial relates to.

alcohol abuse bipolar disorder bipolar I disorder bipolar II disorder Disruptive, Impulse Control, and Conduct Disorders dysthymic disorder generalized anxiety disorder intermittent explosive disorder major depressive disorder Mania obsessive-compulsive disorder panic disorder post-traumatic stress disorder psychiatric disorder Self-Injurious Behavior substance-related disorder Suicidal Ideation

As listed by the trial registrant

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

Alcohol use disorder (AUD) Bipolar I disorder Bipolar ii disorder Bipolar sub disorder Generalized anxiety disorder (GAD) Hypomanic Intermittent explosive disorder (IED) Major depressive disorder (MDD) Major depressive episode (MDE) Manic episode Nonsuicidal self injury Obsessive compulsive disorder (OCD) Panic attack Panic disorder PCL-5 PTSD PCL-SC PTSD Persistent depressive disorder (PDD) Posttraumatic stress disorder (PTSD) Substance use disorder (SUD) Suicidal attempt Suicidal gesture Suicidal ideation Suicidal plan

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

  • The University of Hong Kong

    RECRUITING

    Hong Kong, Hong Kong

More trials for these conditions

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