View clinical trials related to Pharmacokinetics.
Filter by:Severe acute kidney injury (AKI) is a common complication of critical illness affecting almost half of all patients with septic shock. Extracorporeal renal replacement therapy is a cornerstone in the management of AKI in these patients. Options for renal replacement therapy include continuous renal replacement (CRRT) therapy, intermittent dialysis (IHD) or a hybrid form of the two called sustained low efficiency dialysis (SLED). Globally there is a push to switch from traditional CRRT to SLED. Although there are resource and financial comparative benefits to SLED there is almost no literature describing how to dose antimicrobials (or other drugs for that matter). It appears that drug clearance on SLED may be more efficient than CRRT but not as efficient as IHD making extrapolation from these bodies of literature inappropriate for SLED. The investigators are proposing to conduct the population pharmacokinetic studies for the three most commonly used antimicrobials in critically ill patients receiving SLED therapy (piperacillin-tazobactam, meropenem and vancomycin). Population pharmacokinetic modeling of these drugs will provide estimates and sources of variability around pharmacokinetic parameters that will subsequently be used for Monte Carlo simulation to determine the most appropriate dosing regimens to achieve therapeutic targets while minimizing the risk of toxicity.
This is an open label, randomized, Parallel Assignment, placebo-controlled study. One of the purposes of this study is to investigate the multiple dosing Ginkgolides Meglumine Injection to alter the pharmacokinetics of Midazolam, the other is to calculate the pharmacokinetic parameters after Single and multiple dosing of Ginkgolides Meglumine Injection.
The primary objective of this study is to characterize the pharmacokinetics of TV-45070 in plasma following single and multiple-dose topical application of 8% TV-45070 ointment.
This is a single-center, double-blind, randomized, placebo- and positive-controlled, double-dummy, parallel-group, multiple-dose, up-titration study with a nested cross-over comparison between moxifloxacin and placebo in healthy male and female subjects. The primary objective is to demonstrate that selexipag and its metabolite ACT-333679 do not have an effect on cardiac repolarization exceeding the threshold of regulatory concern, at two orally administered dose levels (800 and 1600 μg twice daily) in healthy male and female subjects. Moxifloxacin is included as a positive control.
The purpose of this study in to analyse the way in which the body processes Niagen (nicotinamide riboside) in healthy people. Blood and urine samples from subjects who are given a dose of Niagen will be analyzed for metabolites over the 24 hours after taking the dose.
The purpose of this study to explore the effect of multiple oral doses of itraconazole on the pharmacokinetics of a single oral dose of ASP1707 in healthy female subjects. This study will also evaluate the safety and tolerability of a single oral dose of ASP1707 alone and in combination with itraconazole.
The clinical phase I study aims at investigating the conversion of the contraceptive compound norethisterone within the body towards the contraceptive compound ethinylestradiol. Therefore concentrations of ethinylestradiol will be measured from blood samples after administration of a single intramuscular dose of norethisterone. In a comparison arm concentrations of ethinylestradiol will be measured from blood samples after administration of a pill containing ethinylestradiol itself.
• To determine and compare the pharmacokinetics (PK) of 3 doses of 25 mg Androxal in elderly healthy adult male subjects.
The purpose of this study is to evaluate the effect of solifenacin and mirabegron on the concentrations of tamsulosin HCl after combined dosing. This study will also evaluate the safety and tolerability of the combined administration of solifenacin, mirabegron and tamsulosin HCl.
Background: - A protein called translocator protein may play a role in brain inflammation. Sometimes it is present at higher levels in the lungs than in the brain. Researchers want to see if a drug called [11C]ER176 can provide an image of this protein in the brain. Objective: - To test the ability of a drug to image a protein, and test how it is distributed in the body. Eligibility: - Healthy adults over age 18. Design: - Participants will be screened with medical history, physical exam, and blood and urine tests. - Participants will have a PET scan of the brain using [11C]ER176. It will be injected through an intravenous tube into 1-2 arm veins. A tube may also be put into an artery at the wrist or elbow. Some participants will also have a lung scan. - For the PET, participants will lie on a bed that slides in and out of a doughnut-shaped scanner. A plastic mask will be molded to their face and head. They may be wrapped with restraining sheets. The scan will last about 120 minutes. Blood may be taken during the scan. - Blood and urine will be taken before and after the scan. - During another visit, participants will have an MRI scan of the brain. Participants will lie on a table that slides in and out of a metal cylinder. A strong magnetic field and radio waves will take pictures of the brain. The scanner makes loud knocking noises. Participants will be given earplugs. - Some participants will have only a whole-body PET scan using [11C]ER176.