Objective: Whether instillation into the maxillary sinus of topical budesonide affected the immune response and improved allergic patients with chronic rhinosinusitis that had persistence of symptoms despite appropriate surgical intervention was assessed.
Study Design: Double-blind placebo-controlled.
Methods: Twenty-six patients with allergy to house dust mites who had previously had surgery and who had persistent symptoms of disabling rhinorrhea or pressure-pain resistant to oral antibiotics and intranasal corticosteroids were recruited.