The purpose of this study is to learn about the effect of the study medicine (called nirmatrelvir/ritonavir) on the pharmacokinetics of the medicine rosuvastatin in healthy volunteers. Pharmacokinetics helps us understand how the drug is changed and eliminated from your body after you take it. This study is seeking participants who: * are male and female participants who are overtly healthy * are 18 years of age or older * have a Body mass Index (BMI) of 16-32 kg/m2 and total body weight \>50 kg (110 lb). All participants in this study will receive nirmatrelvir/ritonavir, a standard treatment for mild-to-moderate COVID-19. All participants will also receive rosuvastatin. Nirmatrelvir/ritonavir will be given by mouth at the study clinic 2 times a day. Rosuvastatin will be given by mouth at the study clinic once (as a single dose). We will compare participant experiences to help us determine the effect of nirmatrelvir/ritonavir on the pharmacokinetics of rosuvastatin. Participants will take part in this study for approximately 11 weeks. During this time, they will have 10 days at the study clinic and 1 follow-up phone call. Blood samples will be collected during participants' time at the study clinic.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
12
Single oral dose of rosuvastatin tablets
Twice daily oral doses of nirmatrelvir/ritonavir tablets
Pfizer Clinical Research Unit - Brussels
Brussels, Bruxelles-capitale, Région de, Belgium
Area Under the Concentration-Time Curve From Time Zero (0) Extrapolated to Infinity (AUCinf) of Rosuvastatin in Period 1 and 2
Time frame: Period 1: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 1; Period 2: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 2
Maximum Observed Concentration (Cmax) of Rosuvastatin in Period 1 and 2
Time frame: Period 1: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 1; Period 2: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 2
Area Under the Plasma Concentration-Time Profile From Time 0 to the Time of the Last Quantifiable Concentration (AUClast) of Rosuvastatin in Period 1 and 2
Time frame: Period 1: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 1; Period 2: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 2
Time for Cmax (Tmax) of Rosuvastatin in Period 1 and 2
Time frame: Period 1: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 1; Period 2: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 2
Terminal Half-Life (t1/2) of Rosuvastatin in Period 1 and 2
t1/2 was calculated as loge (2) per kel, where kel is the terminal phase rate constant calculated by a linear regression of the log-linear concentration-time curve.
Time frame: Period 1: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 1; Period 2: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 2
Apparent Clearance (CL/F) of Rosuvastatin in Period 1 and 2
Clearance of a drug is a measure of the rate at which a drug is metabolized or eliminated by normal biological processes.
Time frame: Period 1: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 1; Period 2: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 2
Apparent Volume of Distribution (Vz/F) of Rosuvastatin in Period 1 and 2
Volume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug. Apparent volume of distribution after oral dose (Vz/F) is influenced by the fraction absorbed.
Time frame: Period 1: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 1; Period 2: 0 (pre-dose), 0.5, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48 and 72 hours post dose on Day 2
Number of Participants With Clinically Significant Findings in Vital Signs
Vital signs included blood pressure, pulse rate and temperature. Temperature was measured by orally. Blood pressure was measured with the participant in a supine position after 5 minutes of rest for the participant. Clinically significant findings were determined by the investigator.
Time frame: Days 1 and 3 of each period
Number of Participants With Laboratory Abnormalities
Laboratory abnormalities criteria: a) Hematology: monocytes \>1.2\* upper limit of normal (ULN); b) Urinalysis: urine hemoglobin were \>=1 and leukocyte esterase were \>=1.
Time frame: Day 1 of dosing up to 35 days up to last dose of study intervention (maximum of 45 days)
Number of Participants With Treatment Emergent Adverse Events (TEAEs)
An adverse event (AE) was any untoward medical occurrence in a participant temporally associated with the use of study intervention, whether or not considered related to the study intervention. Treatment-emergent are events between first dose of study drug and up to 35 days after last dose that were absent before treatment or that worsened relative to pre-treatment state.
Time frame: Day 1 of dosing up to 35 days up to last dose of study intervention (maximum of 45 days)
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