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Influence of Drug Transporter Expression on the Pharmacokinetics of the HIV Protease Inhibitor Kaletra

H

Heidelberg University

Status

Completed

Conditions

Healthy
Pharmacokinetics

Study type

Observational

Funder types

Other

Identifiers

Details and patient eligibility

About

The aim of this study is to determine the pharmacokinetics of Kaletra™ (HIV protease inhibitors lopinavir and ritonavir) in different body compartments and to assess the role of four different drug transporters (MDR, MRP1, MRP2 and BCRP) in the tissue distribution of the two protease inhibitors. The latter will be studied by comparing intracellular concentrations of peripheral blood mononuclear cells (PBMCs) with total and free plasma concentrations in healthy individuals. These effects will be studied after single dose (day 1), during steady state (day 3), and during chronic treatment (day 14).

Full description

Objective:

Measurement of AUC, Cmax, tmax, t1/2 and clearance (Cl) of the protease inhibitor Kaletra™ (lopinavir and ritonavir) each in the plasma of healthy individuals

  • establish free and total plasma - blood cell concentration-relationship
  • establish free and total plasma - saliva concentration-relationship
  • establish blood cell concentration - drug transporter expression-relationship

Enrollment

12 estimated patients

Sex

All

Ages

18 to 50 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Good state of health

Exclusion criteria

  • Drug treatment with known inhibitors or inducers of cytochrome P450 isozymes or ABC-transporters within the preceding 2 months
  • Any acute or chronic illness
  • Smoking
  • Pregnancy
  • Alcohol or drug abuse

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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