Biologics and Sublingual Immunotherapy

Assess the effectiveness of combined therapy Actair® plus Xolair compared to monotherapy with Actair® or Xolair® or standard symptomatic therapy in patients with mild or moderate allergic asthma to HDM. Treatment duration: 24 months Follow-up duration:12 months Total duration: 36 months (not including screening and randomization period) May 2024 - March 2028 Consisting of a 4 to 5 months screening phase (with 1 month observation period prior to randomization) a treatment phase of 24 months and post-treatment follow-up phase 12 months