Ishinomaki

Researchers are evaluating the efficacy and safety of tezepelumab in adults with moderate to very severe chronic obstructive pulmonary disease COPD who are receiving inhaled maintenance therapy. This Phase 3, multicenter, randomized, double-blind, placebo-controlled study focuses on adults aged 40 to 80 years who have experienced multiple COPD exacerbations in the year prior to enrollment. The trial aims to assess tezepelumabs impact compared to placebo on COPD exacerbations and lung function. Participants will receive monthly subcutaneous injections of one of two doses of tezepelumab or a matching placebo. Treatment duration ranges from a minimum of 52 weeks to a maximum of 76 weeks. Following the treatment period, participants will undergo a 12-week off-treatment safety follow-up to monitor any lasting effects. Throughout the study, participants will be regularly assessed for COPD exacerbations, lung function changes measured by forced expiratory volume FEV1, and quality of life using questionnaires such as the St. Georges Respiratory Questionnaire and COPD Assessment Test. Blood samples will be collected to measure drug levels and immune responses. Safety and efficacy will be closely monitored, with total participation lasting up to approximately 88 weeks including follow-up.

Researchers are evaluating the efficacy and safety of tozorakimab delivered under the skin in adults with uncontrolled asthma who are already using medium-to-high doses of inhaled corticosteroids. This phase IIb, double-blind, placebo-controlled study aims to find the optimal dosing range of tozorakimab in this population. The study is sponsored by AstraZeneca and uses a randomized, parallel design to compare different doses and placebo. Participants will receive subcutaneous injections of either tozorakimab at one of two dose levels or a placebo. The study arms include dosing with tozorakimab Dose 1, tozorakimab Dose 2, or placebo, administered under the skin. The treatment period lasts from 26 to 52 weeks, during which participants will be monitored for their asthma symptoms and lung function. Throughout the study, participants will undergo assessments including lung function tests such as forced expiratory volume in 1 second FEV1, asthma control questionnaires ACQ-6, quality of life questionnaires AQLQ12, and measurements of asthma exacerbations. Blood samples will be collected to measure drug levels and immune response. Safety and adherence will be closely monitored, and the primary outcome is the annualized rate of severe asthma exacerbations over the treatment period.