# The Relationship Between VDR Gene Polymorphism and Children's Physical and Intellectual Development

> **NCT03742310** · NA · UNKNOWN · sponsor: **First Affiliated Hospital Xi'an Jiaotong University** · enrollment: 500 (estimated)

## Conditions studied

- Development, Child

## Interventions

- **DRUG:** Vitamin D

## Key facts

- **NCT ID:** NCT03742310
- **Lead sponsor:** First Affiliated Hospital Xi'an Jiaotong University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-01-01
- **Primary completion:** 2021-01-01
- **Final completion:** 2021-03-01
- **Target enrollment:** 500 (ESTIMATED)
- **Last updated:** 2018-11-15

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03742310

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03742310, "The Relationship Between VDR Gene Polymorphism and Children's Physical and Intellectual Development". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03742310. Licensed CC0.

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