The purpose of this study was to determine the absorption, metabolism, and excretion of radioactivity and to characterize and determine, where possible, the metabolites present in plasma, urine, and faeces in healthy male subjects following a single oral administration of [14C]-NS-580.

Inclusion Criteria:

• Males of any race, between 35 and 60 years of age, inclusive.
• Body mass index between 18.0 and 32.0 kg/m2, inclusive.
• History of a minimum of 1 bowel movement per day.

Exclusion Criteria:

• Significant history or clinical manifestation of any metabolic, allergic, dermatological, hepatic, renal, haematological, pulmonary, cardiovascular, gastrointestinal, neurological, respiratory, endocrine, or psychiatric disorder, as determined by the investigator (or designee).
• History of significant hypersensitivity, intolerance, or allergy to any drug compound, food, or other substance, unless approved by the investigator (or designee).