Melatonin and Vaccine Response, Immunity, and Chronobiology Study
Public ClinicalTrials.gov record NCT04953754. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Melatonin and Vaccine Response, Immunity, and Chronobiology Study (MAVRICS): The Impact of Sleep, Circadian Health, and Melatonin on Vaccine Immunogenicity and Outcomes
Study identification
- NCT ID
- NCT04953754
- Recruitment status
- Not listed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Walter Reed National Military Medical Center
- Federal
- Enrollment
- 200 participants
Conditions and interventions
Conditions
Interventions
- Melatonin Dietary Supplement
- Phillips Actiwatch Spectrum Plus Device
Dietary Supplement · Device
Eligibility (public fields only)
- Age range
- 18 Years to 64 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 24, 2022
- Primary completion
- May 31, 2024
- Completion
- May 31, 2025
- Last update posted
- Oct 9, 2023
2022 – 2025
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Naval Support Activity | Bethesda | Maryland | 20889 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04953754, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Oct 9, 2023 · Synced May 11, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04953754 live on ClinicalTrials.gov.