Clinical results show that where Chitogel has been used post surgery, compared to using no packing materials at 12 months post surgery, patients on average experienced the following:13 13Ha T, Valentine R, Moratti S, Hanton L, Robinson S, Wormald PJ. The efficacy of a novel budesonide chitosan gel on wound healing following endoscopic sinus surgery. Int Forum Allergy Rhinol. 2018 Mar;8(3):435-443.