A Study of LY4064809 [14C]-STX-478 in Healthy Male Participants

Inclusion Criteria: * Body mass index (BMI) ≥ 18.0 kg/m2 and ≤ 32.0 kg/m2 at Screening; body weight ≥ 55.0 kg and ≤ 100.0 kg at Screening. * Negative serology results for hepatitis B surface antigen (HBsAg), hepatitis C virus antibody (HCV Ab) and human immunodeficiency virus antibody and antigen (HIV Ab/Ag). * Non-smoker (with no use of other tobacco or nicotine containing products, in any form), as documented by history (no nicotine within 6 months prior to Screening) and a negative cotinine test at Screening and admission Exclusion Criteria: History or presence of any diseases or conditions of clinical significance by the Investigator (or designee) and/or Sponsor * Any history of serious allergic/hypersensitivity reactions * History or presence of alcohol or drug abuse (self-reported) within 2 years prior to Screening. * Administration of any prescription or non-prescription drugs (including antacids; however, acetaminophen at a dose ≤ 1 g/day is permitted), herbal remedies or vitamin supplements from 28 days, or five half-lives, whichever is longer, prior to Admission.