# A Cross-sectional Study to Evaluate Speech and Language Development in Chinese Children Aged 2-6 Years

> **NCT05442229** · — · UNKNOWN · sponsor: **Tongji Hospital** · enrollment: 5744 (estimated)

## Conditions studied

- Mental Retardation
- Autism Spectrum Disorder
- Attention Deficit Hyperactivity Disorder

## Interventions

- **OTHER:** establish a new Chinese children's speech and language norm

## Key facts

- **NCT ID:** NCT05442229
- **Lead sponsor:** Tongji Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-07-01
- **Primary completion:** 2023-02-28
- **Final completion:** 2023-02-28
- **Target enrollment:** 5744 (ESTIMATED)
- **Last updated:** 2022-07-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05442229

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05442229, "A Cross-sectional Study to Evaluate Speech and Language Development in Chinese Children Aged 2-6 Years". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT05442229. Licensed CC0.

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