Effects of Melatonin in Untreated Obstructive Sleep Apnea

Status Terminated

Clinical Trial Summary

The investigators have previously shown that 1 week of 10mg Melatonin improves sleep consolidation in untreated obstructive sleep apnea (OSA) patients. This study aims to extend on those findings to determine if longer treatment of Melatonin improves other outcomes in untreated OSA patients.

Clinical Trial Description

Intermittent hypoxia (low oxygen), sleep fragmentation and restriction are characteristic of obstructive sleep apnea (OSA) and cause mental deficits and cardiovascular disease (CVD). Melatonin (MLT) is a hormone with sleep promoting properties and the investigators have found 7 days 10mg MLT treatment significantly increases sleep consolidation in untreated OSA. Thus, melatonin could improve mental function. MLT also has potent antioxidant, anti-inflammatory and anti-hypertensive properties. In humans with CVD and metabolic disorder exogenous MLT improves a wide range of cardio-metabolic outcomes. In rat models of OSA, MLT completely blocks intermittent hypoxia induced cardiovascular damage and brain cell death. Intermittent hypoxia also induces lasting changes in the neural control of breathing, which worsens OSA. Experimentally antioxidants block the induction of changes to neural control of breathing. Thus MLT may also normalize the control of breathing and reduce the severity of OSA. Given these findings, the hypothesis is that MLT will improve mental function, cardiovascular outcomes and control of breathing in untreated OSA. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03492736
Study type	Interventional
Source	University of California, San Diego
Contact
Status	Terminated
Phase	Early Phase 1
Start date	April 1, 2018
Completion date	October 1, 2018

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