Study in Adult Asthmatic Patients With Allergic Bronchopulmonary Aspergillosis

Inclusion Criteria: * Is a male or female, 18 to 75 years old (inclusive) at the time of signing the informed consent. * Has a body mass index of 18.0 to 35.0 kg/m2 (inclusive) at screening. * Has a historical diagnosis of asthma, as per the Global Initiative for Asthma (GINA) 2018 update. * Has a confirmed historical diagnosis of ABPA, as per the Modified International Society for Human and Animal Mycology (ISHAM) working group 2013 criteria. * Is currently considered to be in one of the following stages of ABPA: Stage 2 (Response), Stage 4 (Remission), Stage 5a (Treatment-dependent ABPA), or Stage 5b (Glucocorticoid-dependent asthma) * Has a serum immunoglobulin (Ig) E ≥1000 IU/mL during screening (Visit 1 or Visit 2). * Can perform a valid, reproducible spirometry test with demonstration of a prebronchodilator FEV1 ≥50% of predicted normal for age, sex, race, and height (Quanjer et al 2012) at a screening visit. * Has a documented stable asthma medication regimen during screening (Day 28 to Day 1), including SABA, LABA, and LTRA use and inhaled and/or oral GCS. * Subjects who are sexually active, male subjects able to father a child, and female subjects of childbearing potential must agree to follow the contraception requirements of this protocol. * Can demonstrate the correct inhalation technique for the use of the delivery device at screening and before dosing. Exclusion Criteria: * Is a female of childbearing potential who is pregnant or lactating or who plans to bec…