The main purpose of this study is to assess the amount of study drug that reaches the bloodstream and the time it takes for the body to get rid of it when given to participants with renal (kidney) impairment compared to healthy participants. The study will last up to 9 days, excluding screening.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
37
Administered orally
Anaheim Regional Center
Anaheim, California, United States
Stanford Health Care, Valley Care Program
Pleasanton, California, United States
Orange County Research Center
Tustin, California, United States
Riverside Clinical Research
Edgewater, Florida, United States
Pharmacokinetics (PK): Area Under the Concentration-time Curve, From Time 0 to the Last Observed Non-zero Concentration (AUC0-t) of Selpercatinib in Plasma
PK: AUC0-t of Selpercatinib
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Area Under the Concentration-time Curve, From Time 0 Extrapolated to Infinity (AUC0-inf) of Selpercatinib in Plasma
PK: AUC0-inf of Selpercatinib
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Percentage of AUC0-inf Extrapolated (AUC%Extrap) of Selpercatinib.in Plasma
PK: Percentage of AUC0-inf extrapolated was calculated as (1 - AUC0-t/AUC0-inf) \* 100.
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Maximum Observed Concentration (Cmax) of Selpercatinib in Plasma
PK: Cmax of Selpercatinib
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Time to Maximum Observed Plasma Concentration (Tmax) of Selpercatinib in Plasma
PK: Tmax of Selpercatinib
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Apparent First Order Terminal Elimination Rate Constant (Kel) of Selpercatinib in Plasma
PK: Apparent terminal elimination rate constant; represents the fraction of drug eliminated per unit time calculated by linear least squares regression analysis using the maximum number of points in the terminal log linear phase (e.g., three or more non zero plasma concentrations).
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Clinical Pharmacology of Miami
Miami, Florida, United States
Orlando Clinical Research Center
Orlando, Florida, United States
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Apparent First-order Terminal Elimination Half-life (t½) of Selpercatinib in Plasma
PK: t½ of Selpercatinib.
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Apparent Total Plasma Clearance After Oral (Extravascular) Administration (CL/F) of Selpercatinib in Plasma
PK: CL/F of Selpercatinib
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Apparent Volume of Distribution During the Terminal Elimination Phase After Oral (Extravascular) Administration (Vz/F) of Selpercatinib in Plasma
PK: Vz/F of Selpercatinib
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Unbound AUC0-t (AUC0-t,u) of Selpercatinib in Plasma
AUC0-t,u was calculated by multiplying AUC0-t by Fu (i.e., AUC0-t\*Fu). Fu represented the unbound fraction of Selpercatinib in plasma, that is, the portion of the drug not bound to plasma proteins.
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Unbound AUC0-inf (AUC0-inf,u) of Selpercatinib in Plasma
AUC0-inf,u was calculated by multiplying AUC0-inf by Fu (i.e., AUC0-inf\*Fu). Fu represented the unbound fraction of Selpercatinib in plasma, that is, the portion of the drug not bound to plasma proteins.
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Unbound Cmax (Cmax,u) of Selpercatinib in Plasma
Cmax,u was calculated by multiplying Cmax by Fu (i.e., Cmax\*Fu). Fu represented the unbound fraction of Selpercatinib in plasma, that is, the portion of the drug not bound to plasma proteins.
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Unbound CL/F (CL/F,u) of Selpercatinib in Plasma
CL/F,u was calculated by multiplying CL/F by Fu (i.e., CL/F\*Fu). Fu represented the unbound fraction of Selpercatinib in plasma, that is, the portion of the drug not bound to plasma proteins.
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Unbound Vz/F (Vz/F,u) of Selpercatinib in Plasma
Vz/F,u was calculated by multiplying Vz/F by Fu (i.e., Vz/F\*Fu). Fu represented the unbound fraction of Selpercatinib in plasma, that is, the portion of the drug not bound to plasma proteins.
Time frame: Predose (within 30 minutes), 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, 120, 144, and 168 hours postdose
PK: Cumulative Amount of Selpercatinib Excreted (CumAe) in Urine
PK: CumAe was reported. The urine sampling time points from pre-dose through 168 hours post-dose were used to assess this outcome.
Time frame: Predose (spot collection), 4, 8, 12, 24, 48, 72, 96, 120, 144, 168 hours postdose
PK: Cumulative Percentage of Administered Selpercatinib Dose (Cum%Dose) Excreted in Urine
PK: Cum%Dose was reported. The urine sampling time points from pre-dose through 168 hours post-dose were used to assess this outcome.
Time frame: Predose (spot collection), 4, 8, 12, 24, 48, 72, 96, 120, 144, 168 hours postdose
PK: Renal Clearance (CLr) of Selpercatinib in Urine
PK: CLr of Selpercatinib was reported.The urine sampling time points from pre-dose through 168 hours post-dose were used to assess this outcome.
Time frame: Predose (spot collection), 4, 8, 12, 24, 48, 72, 96, 120, 144, 168 hours postdose