Efficacy of Oral Leukotriene in Long Term Therapy of Mild and Moderate Obstructive Sleep Apnea Syndrome in Children

The aim of the project is to evaluate whether leukotriene is less, equally or more efficient than nasal steroid in children with adenotonsillar hypertrophy and with mild and moderate OSAS checking if leukotriene administrated for 24 weeks improves overnight oximetry, polysomnography and checking if leukotriene as anti-inflammatory of upper airway really reduces the tonsils and adenoids dimensions.