Mandibular Advancement Device for Obstructive Sleep Apnea

Status Completed

Clinical Trial Summary

The purpose of this study was to determine how effective a custom-made standard dental splint (activator) advancing the lower jaw forward is in treatment of obstructive sleep apnea, and further to find factors for identification of those patients likely to benefit from this treatment.

Clinical Trial Description

Obstructive sleep apnea (OSA) is far the most common sleep disordered breathing, affecting 2-4% of the adult population. The repetitive obstructions are located in the pharyngeal airway, leading to sleep fragmentation and resulting in excessive daytime sleepiness with consequences for ability to work, road safety and quality of life. Furthermore, OSA is an independant riskfactor for cardiovascular disease. The treatment of choice today is continuous positive airway pressure (CPAP) but a main problem with CPAP is an unsatisfactory compliance. An alternative conservative more user-friendly treatment could be oral appliances, intending to increase the pharyngeal airway directly by tongue retaining devices or indirectly by mandibular advancing devices. Though several randomized studies on oral appliances have come recent years, all giving some evidence for effect on OSA, they all had some shortcomings, such as using crossover design, small sample sizes, under-reporting of methods and data and lack of blinding.

In this study of a mandibular advancement device was used a parallel group design with an inactive device and no intervention as controls. Beside the effect on sleep, daytime sleepiness and quality of life, the study aimed to find objective factors to be used as predictors of the outcome. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00243139
Study type	Interventional
Source	Nykøbing Falster County Hospital
Contact
Status	Completed
Phase	Phase 2/Phase 3
Start date	July 1999
Completion date	February 2004

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