# Efficacy of Newborn Vitamin A Supplementation in Improving Immune Function

> **NCT01583972** · NA · COMPLETED · sponsor: **USDA, Western Human Nutrition Research Center** · enrollment: 300 (actual)

## Conditions studied

- Vitamin A Deficiency

## Interventions

- **DIETARY_SUPPLEMENT:** retinyl palmitate
- **DIETARY_SUPPLEMENT:** Placebo

## Key facts

- **NCT ID:** NCT01583972
- **Lead sponsor:** USDA, Western Human Nutrition Research Center
- **Sponsor class:** FED
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-01
- **Primary completion:** 2013-07
- **Final completion:** 2014-08
- **Target enrollment:** 300 (ACTUAL)
- **Last updated:** 2014-08-26

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01583972

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01583972, "Efficacy of Newborn Vitamin A Supplementation in Improving Immune Function". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT01583972. Licensed CC0.

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