A Comparison of Critical Errors, Overall Errors, Training/Teaching Time, and Preference Attributes of the ELLIPTA Versus BREEZHALER Dry Powder Inhalers (DPIs) in Adult Participants With Asthma

Inclusion Criteria: * Participants must be aged 18 years or older at the time of signing the informed consent. * Participants who have a confirmed mild or moderate asthma diagnosis as per Global Initiative for Asthma (GINA), 2020. * Participants must be on asthma maintenance therapy (Inhaled corticosteroids \[ICS\] or ICS/ Long acting beta 2-agonist \[LABA\]) for at least 12 weeks prior to study participation. * Participants must be naïve to both the ELLIPTA and BREEZHALER inhalers. * Females who are not pregnant or not planning a pregnancy during the study or not Lactating. * Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol. Exclusion Criteria: * Concurrent diagnosis of chronic obstructive pulmonary disease (COPD) or other respiratory disorders. * History of hypersensitivity to any components of the study inhaler (e.g., lactose). In addition, participants with a history of severe milk protein allergy that, in the opinion of the study physician, contraindicates participation will also be excluded. * Historical or current evidence of clinically significant or rapidly progressing or unstable disease that, in the opinion of the investigator, would put the safety of the participant at risk through participation, or which would affect the analysis if the disease/condition exacerbated during the study. * Drug/alcohol abuse: Participants with a known or suspect…