A Study to Assess the Intrapulmonary Pharmacokinetics (PK) of SPR719 by Comparing the Plasma, Epithelial Lining Fluid, and Alveolar Macrophage Concentrations Following the Oral Administration of Multiple Doses of SPR720 in Healthy Volunteers.

Key Inclusion Criteria:

• Body mass index (BMI) ≥18.0 and ≤32.0 kilograms per meter square (kg/m^2) and weight between 55.0 and 100.0 kilograms (kg) (inclusive).
• Forced expiratory volume in 1 second (FEV1) of at least 80% of predicted value at screening visit.
• Have suitable venous access for blood sampling.
• Ability and willingness to abstain from alcohol, caffeine, xanthine-containing beverages or food or product containing any of these from 48 hours prior to study drug administration until discharge from the clinical research unit (CRU).

Key Exclusion Criteria:

• History of clinically significant acute illness or surgery within the previous 3 months prior to Screening Visit or Day -1.
• Known history of clinically significant hypersensitivity reaction or anaphylaxis to SPR720 or an aminobenzimidazole.
• Any condition possibly affecting drug absorption (e.g. previous surgery on the gastrointestinal tract [including removal of parts of the stomach, bowel, liver, gall bladder, or pancreas]).
• Participants who are unable to demonstrate the ability to swallow the dosage forms.
• Receipt of any other investigational medicinal product or participation in another investigational clinical study that included drug treatment within 30 days prior to Day 1 dose (based on the timing of the last Follow-up Visit in the previous study to Day 1 of the current study).

NOTE: Other inclusion and exclusion criteria as per protocol may apply.