Validation of Patient Reported Outcome Measures in Participants With Nontuberculous Mycobacterial Lung Infection Caused by Mycobacterium Avium Complex

Inclusion Criteria: * Male or female, ≥ 18 years of age (19 years or older in South Korea) * Current diagnosis of Mycobacterium avium Complex (MAC) lung infection * Positive sputum culture for MAC within 6 months prior to screening * A chest computed tomography (CT) scan, read locally, within 6 months prior to Screening to determine presence and size of pulmonary cavities. Participants who do not have a chest CT scan within 6 months prior to Screening will be required to obtain a chest CT scan, read locally, during Screening * Willingness and ability to adhere to prescribed study treatment during the study * Ability to produce (spontaneously or with induction) approximately 2 mL of sputum for mycobacteriology at Screening * Women of child-bearing potential (WOCBP) (ie, fertile following menarche and until becoming post-menopausal unless permanently sterile) and fertile men (ie, all men after puberty unless permanently sterile by bilateral orchidectomy) agree to practice a highly effective method of birth control from Day 1 to at least 90 days after the last dose. Examples of such birth controls are: * true abstinence (refraining from heterosexual intercourse during the entire study), * copper intrauterine device (IUD), * hormonal methods (levonorgestrel-releasing intrauterine system, progestogen implant, combined oral contraceptive pill \[combined with barrier method\]), * exclusive homosexual relationship, or * sole male partner who has undergone surgical sterili…