The Effect of Melatonin and Vitamin C on COVID-19
Public ClinicalTrials.gov record NCT04530539. 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.
Study identification
- NCT ID
- NCT04530539
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Lancaster General Hospital
- Other
- Enrollment
- 122 participants
Conditions and interventions
Conditions
Interventions
- Placebo Dietary Supplement
- Symptom Survey Other
- Vitamin C Dietary Supplement
- melatonin Dietary Supplement
Dietary Supplement · Other
Eligibility (public fields only)
- Age range
- 50 Years and older
- 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 4, 2020
- Primary completion
- Aug 10, 2022
- Completion
- Aug 10, 2022
- Last update posted
- Aug 16, 2022
2020 – 2022
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Lancaster General Health | Lancaster | Pennsylvania | 17602 | — |
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 NCT04530539, 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 Aug 16, 2022 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04530539 live on ClinicalTrials.gov.