About this trial
This study evaluates the efficacy of the Companion Mind-Drawing Cooperative Game Program, a parent-mediated, home-based structured play intervention targeting social cognitive development in young children with autism spectrum disorder (ASD).
Children with ASD in the intervention group will receive a structured program in which parents attend an in-person training session (approximately 2.5 hours) at the hospital, where parents are taught to administer a series of researcher-designed cooperative game paradigms at home. Parents then deliver the intervention daily for at least 30 minutes per session over a period of six months. Monthly online video reviews by a clinician provide parents with individualized feedback and guidance to ensure program fidelity and quality.
Children with ASD in the comparison group will continue to receive usual care and will not receive the program during the study period.
Social cognitive outcomes - including emotion recognition, theory of mind, empathy, joint attention, self-perception, and social communication - will be assessed at baseline and at 12-month follow-up using behavioral experimental tasks and eye-tracking paradigms. This study aims to provide evidence for the efficacy of a scalable, family-implemented social cognition intervention for young children with ASD.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Aged 2.5 to 14 years at time of enrollment, with a primary recruitment focus on children aged 3 to 10 years.
Meets diagnostic criteria for autism spectrum disorder (ASD) according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), confirmed by a specialist clinician.
Full-scale intelligence quotient (FSIQ) ≥ 70 as assessed by an age-appropriate Wechsler intelligence scale administered.
Possesses sufficient verbal ability to engage with structured play-based intervention activities, as judged by the recruiting clinician.
Disqualifiers
Known diagnosis of a genetic syndrome associated with ASD or intellectual disability, including but not limited to Fragile X syndrome, Down syndrome, tuberous sclerosis complex, or Rett syndrome.
Presence of a neurological disorder, including epilepsy (unless fully controlled with stable medication for ≥ 12 months), acquired brain injury, cerebral palsy, or other significant neurological condition that may confound assessment of social cognition.
Uncorrected vision or hearing impairment that would preclude participation in behavioral or eye-tracking assessments.
Currently enrolled in another interventional clinical study targeting social cognition, communication, or behavioral outcomes.
Trial design
Parallel
Treatments tested in this trial
Companion Mind-Drawing Cooperative Game Program
BehavioralParent-mediated structured play program; daily 30-min home sessions × 6 months; monthly clinician video supervision
Treatment groups
Trial outcomes
Primary outcomes
Change in Social Attention (Eye-Tracking)
The mean fixation proportion (percentage of total trial time) allocated to socially relevant regions of interest (ROIs) - including faces, eyes, and mouth regions - during standardized eye-tracking paradigms, measured via a remote eye-tracker. A higher fixation proportion indicates greater social attention. Change scores are calculated as the difference between follow-up and baseline fixation proportions.
Change in Theory of Mind Task Accuracy Score
The mean accuracy score (percentage of correct responses) on a battery of researcher-designed Theory of Mind (ToM) behavioral experimental tasks
Secondary outcomes
Parent intervention fidelity
The total score on a video-coded fidelity checklist completed by trained assessors reviewing monthly parent-submitted video recordings. The checklist evaluates adherence to standardized delivery procedures across domains including correct game administration, appropriate prompting strategies, session duration, and responsiveness to the child. Scores range from 0-100, with higher scores indicating greater fidelity.
Change in Scores of Emotion recognition accuracy
The mean proportion of correct responses (accuracy rate) on standardized emotion recognition paradigms, in which children are asked to identify or match basic and complex emotional expressions (e.g., happy, sad, angry, fearful, surprised) presented via images or short video clips. Change scores are calculated as the difference in accuracy rate between follow-up and baseline assessments.
Parent program satisfaction
The total score on a structured parent feedback questionnaire assessing satisfaction with the program content, delivery format, training quality, clinician supervision, and perceived benefit for the child. The questionnaire uses a Likert-scale format (e.g., 1-5), with higher scores indicating greater satisfaction.
Empathy, Self-perception, Social communication
The mean proportion of correct responses (accuracy rate) on researcher-designed behavioral experimental tasks targeting three social cognitive domains: (a) Empathy - tasks requiring recognition and attribution of others' emotional states in social scenarios; (b) Self-perception - tasks assessing self-recognition and self-referential processing; (c) Social Communication - tasks evaluating pragmatic language use, referential communication, and conversational turn-taking. Each domain is scored separately, and a composite score is also calculated. Change scores are calculated as the difference between follow-up and baseline accuracy rates for each domain.
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