Ethmoidal drug‐eluting stent therapy is not superior to nasal corticosteroid spray in the prevention of endoscopic sinus surgery: Results from a randomised, clinical trial

Objectives To evaluate whether an ethmoidal drug‐eluting stent (DES) (the Relieva Stratus™ MicroFlow Spacer) could better prevent endoscopic sinus surgery (ESS) than standard non‐invasive therapy using corticosteroid nasal spray in patients suffering from chronic rhinosinusitis (CRS). Design Prospective, randomised clinical trial. Setting Tertiary referral centre. Participants Sixty‐three adult patients with ethmoidal involvement in cone beam...