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AI chatbot aims to lift mood in stroke survivors

NCT ID NCT07336888

Symptom relief Sponsor: The Fourth Affiliated Hospital of Zhejiang University School of Medicine 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study tests whether a chatbot on the Doubao app can reduce depression in people who have had a stroke. Researchers will enroll 240 participants and use the chatbot to provide positive psychological counseling. The main goal is to see if depression scores improve, with quality of life also measured.

What this could mean

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

Active substance
positive psychological counseling chatbot on Doubao software
What this could lead to
If it works, this could offer a low-cost, accessible way to help stroke survivors manage depression symptoms at home.
What could go wrong
This is an early-stage study with no control group comparison yet. The chatbot may not be effective for everyone, and results depend on user engagement.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 240 people

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

Expected to start

Jan 2027

An estimate. Start dates often move.

Expected to finish

Dec 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.

Ages

18 to 75 years

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: * Meets the criteria of either the "Chinese Guidelines for the Diagnosis and Treatment of Acute Ischemic Stroke" or the "Chinese Guidelines for the Diagnosis and Treatment of Acute Cerebral Hemorrhage" and is confirmed by CT or MRI; * Patients with stable vital signs and conditions; * Meets the "Third Edition of the Classification and Diagnosis Criteria for Mental Disorders in China" and has a score of ≥5 on the 9-item Patient Health Questionnaire (PHQ-9) scale; * Patients are over 18 years old; * Can understand the relevant content of the scale correctly and provide answers independently or with the help of others, have clear consciousness and sign the consent form; * Can use smartphones. Exclusion Criteria: * Those with severe functional impairments of important organs such as the heart, lungs, liver and kidneys; * Those without a smart phone;

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Conditions

The condition(s) this trial relates to.

stroke disorder

As listed by the trial registrant

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

Post stroke depression Stroke

How to take part

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  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. A doctor treating you

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