# Correlation Between Vitamin D and Symptoms Severity of Autonomic Nervous Mediated Syncope Child and it 's RAAS

> **NCT04844957** · EARLY_PHASE1 · UNKNOWN · sponsor: **Kongyujie** · enrollment: 100 (estimated)

## Conditions studied

- Vitamin D

## Interventions

- **DRUG:** Vitamin D
- **DEVICE:** Full automatic chemiluminescence measuring instrument

## Key facts

- **NCT ID:** NCT04844957
- **Lead sponsor:** Kongyujie
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-05-20
- **Primary completion:** 2022-12-20
- **Final completion:** 2022-12-20
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2022-04-05

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04844957

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04844957, "Correlation Between Vitamin D and Symptoms Severity of Autonomic Nervous Mediated Syncope Child and it 's RAAS". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04844957. Licensed CC0.

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