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OpenTrials
Completed

NCT Number: NCT04530539

The Effect of Melatonin and Vitamin C on COVID-19

This is a double-blind placebo controlled trial that seeks to evaluate the impact of melatonin and vitamin C on symptoms and outcomes of patients with COVID-19.

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Key information

Age range

50 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Lancaster General Health

Lancaster, Pennsylvania, 17602, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • COVID-19 positive test (outpatient testing),
  • Age >50 (chosen based greater risk for older patients to be vitamin deficient, age >65 not used so as not to be too restrictive in the inclusion criteria)
  • Experiencing symptoms for <5 days prior to enrollment
  • Able to read and write in English or Spanish
  • Able to access REDCap daily
  • Valid email address
  • Current has a Lancaster General Health primary care physician

Exclusion criteria

  • COVID-19 test ordered pre-procedure for asymptomatic screening
  • Currently taking vitamin C supplements
  • Currently taking melatonin supplements
  • Currently hospitalized
  • Deceased
  • Currently pregnant
  • Currently incarcerated

Treatment and study plan

Vitamin C

Dietary Supplement

1000mg Vitamin C, at bedtime

Other names: ascorbic acid

melatonin

Dietary Supplement

10mg melatonin, at bedtime

Placebo

Dietary Supplement

Placebo at bedtime

Symptom Survey

Other

Daily symptom survey to be completed by patient electronically

Primary outcomes

  1. Symptom Severity

    Time frame: 14 days

    Symptom severity will be tracked electronically

Secondary outcomes

  1. Symptom progression

    Time frame: 14 days

    Determine symptom course of those with moderate or severe symptoms

Sponsors and collaborators

Lead sponsor

Lancaster General Hospital

Other

Registry information

Important dates

Study start
2020
Primary completion
2022
Study completion
2022
First posted
Aug 28, 2020
Registry last updated
Aug 17, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.