Randomised, placebo-controlled trial of Provent® versus Placebo-Provent® versus continuous positive airway pressure therapy (CPAP) to define the effects of Provent® on the severity of obstructive sleep apnea, daytime symptoms as well as on measures of cardiovascular risk in patients with obstructive sleep apnea.~Patients successfully treated with CPAP will be randomised to one of three arms for a duration of 2 weeks:~Withdraw CPAP and use Provent®~Withdraw CPAP and use Placebo-Provent®~Continue treatment with CPAP
Randomised, placebo-controlled trial of continuous positive airway pressure therapy (CPAP) versus Provent® and Placebo-Provent® to define the effects of Provent® on the severity of obstructive sleep apnea, daytime symptoms as well as on measures of cardiovascular risk.