The main purpose of this study is to determine effect of orforglipron capsule formulation on the amount of digoxin, rosuvastatin, acetaminophen, midazolam, and simvastatin (each given alone and together with orforglipron) that enters the bloodstream and how long it takes the body to eliminate them when administered orally in healthy overweight and obese participants. In addition, the effect of the orforglipron tablet on the amount of simvastatin that enters the bloodstream and how long it takes the body to eliminate it will be evaluated. The study will also assess the effect of sodium bicarbonate when administered alone with simvastatin versus orforglipron capsule containing sodium bicarbonate administered with simvastatin. The safety and tolerability of orforglipron and information about any side effects experienced will be collected. Study will be conducted in two parts, with part 1 and 2 lasting up to approximately 23 and 24 weeks each, including the screening period.
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Pharmacokinetics (PK): Area Under the Concentration Versus Time Curve from Time Zero to Infinity (AUC [0-∞]) of Simvastatin and simvastatin acid following simultaneous administration of Orforglipron capsule formulation
Timeframe: Predose up to 24 hours postdose
PK: AUC [0-∞] of Simvastatin and simvastatin acid following staggered administration of Orforglipron capsule formulation
Timeframe: Predose up to 24 hours postdose
PK: AUC [0-∞] of Simvastatin and simvastatin acid after sodium bicarbonate coadministration
Timeframe: Predose up to 24 hours postdose
PK: AUC [0-∞] of Digoxin
Timeframe: Predose up to 120 hours postdose
PK: AUC [0-∞] of Rosuvastatin
Timeframe: Predose up to 72 hours postdose
PK: AUC [0-∞] of Acetaminophen
Timeframe: Predose up to 24 hours postdose
PK: AUC [0-∞] of Midazolam and 1'-hydroxymidazolam
Timeframe: Predose up to 24 hours postdose
PK: Maximum Observed Concentration (Cmax) of Simvastatin and simvastatin acid following simultaneous administration of Orforglipron capsule formulation
Timeframe: Predose up to 24 hours postdose
PK: Cmax of Simvastatin and simvastatin acid following staggered administration of Orforglipron capsule formulation
Timeframe: Predose up to 24 hours postdose
PK: Cmax of Simvastatin and simvastatin acid after sodium bicarbonate coadministration
Timeframe: Predose up to 24 hours postdose
PK: Cmax of Digoxin
Timeframe: Predose up to 120 hours postdose
PK: Cmax of Rosuvastatin
Timeframe: Predose up to 72 hours postdose
PK: Cmax of Acetaminophen
Timeframe: Predose up to 24 hours postdose
PK: Cmax of Midazolam and 1'-hydroxymidazolam
Timeframe: Predose up to 24 hours postdose