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Can a simple interview accurately diagnose mental disorders? hong kong study aims to find out

NCT ID NCT07604753

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study checks how well a new version of a mental health interview (CIDI 5.0) can identify people who have had depression, anxiety, or PTSD at some point in their lives. Researchers in Hong Kong will interview 300 adults and compare the results with a detailed clinical assessment. The goal is to see if this tool can be trusted for large surveys.

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 confirm that the CIDI 5.0 is a reliable tool for large-scale mental health surveys, helping researchers better understand how common these disorders are.
What could go wrong
This is an observational study, not a treatment trial. It only tests the accuracy of a diagnostic interview, so it won't directly improve patient care. 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 300 people

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

Started

May 2025

Expected to finish

Jan 2028

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. All individuals will complete the survey for the DHP study, including the CIDI-5 section. Based on prior studies (Haro et al., 2006; Khaled et al., 2024), to ensure adequate statistical power and control for Type I error, the clinical validation study will include 300 individuals. 77 participants will serve as controls with no history of mental disorders, and the remaining sample size will consist of participants with at least one lifetime diagnosis of MDD, GAD, or PTSD, as identified by CIDI-5, aiming to reach at least 112 samples for each diagnosis.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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 18 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.

generalized anxiety disorder major depressive disorder post-traumatic stress disorder psychiatric disorder

As listed by the trial registrant

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

Generalized anxiety disorder (GAD) Major depressive disorder (MDD) Posttraumatic stress disorder (PTSD)

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

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