Developing and Testing an AI-Based Cognitive Intervention Program (AICog)

August 14, 2026 updated by: Pengxu Wei, National Research Center for Rehabilitation Technical Aids

Research and Validation of an Artificial Intelligence-Based Cognitive Intervention Program

The goal of this clinical study is to learn if an artificial intelligence (AI)-assisted lifestyle intervention program can help protect memory and thinking skills in adults aged 40 years and older who do not have severe cognitive impairment. It will also learn whether the program can help people maintain healthier lifestyle habits and whether it affects blood markers related to Alzheimer's disease. The main questions it aims to answer are:

Can the AI-assisted program help participants improve their lifestyle, including diet, exercise, mental activities, social participation, sleep, smoking, alcohol use, and stress? Does a healthier lifestyle help maintain memory and thinking skills over 1 year? Are healthier lifestyle habits related to changes in blood markers such as p-tau217, which may be related to Alzheimer's disease? Does the effect differ for people who carry the APOE ε4 gene, a gene that may increase the risk of Alzheimer's disease? Researchers will compare participants with healthier lifestyles to those with less healthy lifestyles, to see whether healthier lifestyles are linked to better memory and thinking and different blood marker levels.

Participants will:

Join an online lifestyle intervention program for 1 year. Receive personalized advice about diet, exercise, mental activities, and social participation through an online platform, WeChat tools, an AI assistant, and online messages.

Complete memory and thinking tests and lifestyle questionnaires at the start of the study, at 6 months, and at 12 months.

Give blood samples at the start of the study and at 12 months for tests related to Alzheimer's disease.

Have APOE gene testing at the start of the study.

Study Overview

Status

Not yet recruiting

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

100

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  1. Chinese community-dwelling residents aged ≥ 40 years;
  2. Cognitive function adequate to cooperate with testing and interventions;
  3. No history of major neurological or psychiatric disorders;
  4. Not on long-term use of medications known to affect cognitive function significantly ;
  5. Possess the basic access and ability to use smartphones or the internet to receive online interventions;
  6. Good compliance, with the expected ability to adhere to and complete a 1-year follow-up.

Exclusion Criteria:

  1. Age < 40 years;
  2. Cognitive function inadequate to cooperate with testing and interventions;
  3. History of major neurological disorders (e.g., stroke, Parkinson's disease, brain tumors, epilepsy) or severe psychiatric disorders (e.g., schizophrenia, severe depressive episodes);
  4. Currently taking medications known to significantly affect cognitive function (e.g., anticholinergic drugs, certain psychotropic medications);
  5. Presence of severe systemic or physical illnesses (e.g., advanced malignancy, severe heart, lung, liver, or kidney failure);
  6. Lack of access to smartphones or the internet, rendering the participant unable to receive online interventions;
  7. Any other conditions deemed by the investigator as inappropriate for participation in this study.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Community Cognitive Cohort
AI-Assisted Lifestyle Intervention Cohort
Healthy lifestyle guidance, including diet, cognitive activities, physical activity, social participation, smoking cessation, alcohol abstinence or moderation, sleep management, and stress management.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Cognitive Function
Time Frame: Baseline to 6 months, and Baseline to 12 months
Assessed using comprehensive cognitive tests covering multiple domains (orientation, attention, naming, memory, digit span, visuospatial function, and processing speed)
Baseline to 6 months, and Baseline to 12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
AD Biomarkers
Time Frame: Baseline to 12 months
Blood biomarker testing to assess Alzheimer's disease-related pathological changes (e.g., Change in Plasma p-tau217 Levels)
Baseline to 12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

November 1, 2026

Primary Completion (Estimated)

December 31, 2027

Study Completion (Estimated)

December 31, 2027

Study Registration Dates

First Submitted

August 10, 2026

First Submitted That Met QC Criteria

August 10, 2026

First Posted (Actual)

August 17, 2026

Study Record Updates

Last Update Posted (Actual)

August 18, 2026

Last Update Submitted That Met QC Criteria

August 14, 2026

Last Verified

August 1, 2026

More Information

Terms related to this study

Other Study ID Numbers

  • KY2026-015-01

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

This study involves APOE genetic data and blood biomarker data, which are classified as sensitive personal information and human genetic resources. Sharing such data is subject to stringent ethical reviews and rigorous cross-border data transfer approvals by national human genetic resources regulatory authorities, posing significant operational challenges.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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