# Melatonin and Vaccine Response, Immunity, and Chronobiology Study

> **NCT04953754** · NA · UNKNOWN · sponsor: **Walter Reed National Military Medical Center** · enrollment: 200 (estimated)

## Conditions studied

- Vaccine Response
- Sleep
- Circadian Rhythm Disorders

## Interventions

- **DIETARY_SUPPLEMENT:** Melatonin
- **DEVICE:** Phillips Actiwatch Spectrum Plus

## Key facts

- **NCT ID:** NCT04953754
- **Lead sponsor:** Walter Reed National Military Medical Center
- **Sponsor class:** FED
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-10-25
- **Primary completion:** 2024-06
- **Final completion:** 2025-06
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2023-10-10

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04953754

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04953754, "Melatonin and Vaccine Response, Immunity, and Chronobiology Study". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04953754. Licensed CC0.

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