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Researchers are evaluating asthma control, health-related quality of life (HRQL), lung function, and asthma medication use in patients with severe eosinophilic asthma treated with benralizumab in a real-life clinical setting in Germany. This prospective, non-interventional, single-arm, multicenter study aims to observe these outcomes over a 52-week period to better understand benralizumab's impact outside of randomized clinical trials. Patients prescribed benralizumab according to label and local reimbursement criteria will be followed for up to 52 weeks. The study will monitor asthma control using the Asthma Control Test (ACT) and the Asthma Impairment and Risk Questionnaire (AIRQ®) at various timepoints. Health-related quality of life will be assessed with the mini Asthma Quality of Life Questionnaire (miniAQLQ) at baseline and routine follow-up visits. Patients will also track and report their weekly asthma medication intake using either paper-based or electronic diaries throughout the study. Participants will complete questionnaires every 4 weeks and record medication intake weekly. Researchers will measure changes in ACT scores, proportions of responders, and reductions in inhaled corticosteroid doses from baseline to weeks 12, 24, and 52. Safety and health outcomes will be observed under routine clinical care. This study includes adults aged 18 to 120 years with severe eosinophilic asthma who can understand study instructions and provide informed consent.

Researchers are evaluating the effectiveness and safety of benralizumab as an additional treatment for people aged 12 to 75 with uncontrolled eosinophilic asthma who are already using medium-dose inhaled corticosteroids combined with long-acting beta2-agonists (ICS-LABA). The study compares this approach to the usual care of increasing inhaled therapy to high-dose ICS-LABA. This is a global, phase 3b, randomized, double-blind, active-controlled trial involving participants with a history of eosinophilic asthma. Participants receive either benralizumab 30 mg by subcutaneous injection every 4 weeks for the first three doses and then every 8 weeks, alongside their medium-dose ICS-LABA treatment, or they receive a placebo injection with an increased high-dose ICS-LABA treatment. The study includes a run-in period to monitor compliance with usual asthma treatment and aims to assess adding benralizumab versus stepping up inhaled therapy. During the study, researchers monitor asthma control, lung function, and exacerbations over 48 weeks. Participants complete asthma diaries to track medication adherence and symptoms. The main outcome measured is the annual rate of asthma exacerbations. Safety and adverse events are also closely followed throughout the study period.