Clinical Trial

The Effects of Acute Melatonin Supplementation on Cardiovascular Responses to Sympathetic Activation

Active, Not Recruiting Phase 4
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Summary
the purpose of this experiment is to determine if acute melatonin supplementation alters central and peripheral cardiovascular responses to a cold pressor test at rest and during dynamic exercise.
Protocol Amendment History 9 amendments
This ClinicalTrials.gov record has been amended 9 times since 2021-04-01; most recent amendment 2026-04-28.
Status change: Recruiting → Active, Not Recruiting 2026-04-28
Status change: Not Yet Recruiting → Recruiting 2023-04-26
Trial Details
NCT Number NCT04831398
Lead Sponsor University of Oklahoma
Conditions Healthy
Enrollment 100 participants
Start Date 2023-01-01
Primary Completion 2026-11 (estimated)
Study Completion 2026-12 (estimated)
Updated on ClinicalTrials.gov 2026-05-05