Status:

TERMINATED

Pharmacokinetic Study of Two HIV Protease Inhibitors in Patients

Lead Sponsor:

University of Oklahoma

Collaborating Sponsors:

Abbott

Conditions:

HIV Infection

Eligibility:

All Genders

18-60 years

Phase:

PHASE4

Brief Summary

The objective of this study is to determine the pharmacokinetics of lopinavir, ritonavir, and atazanavir when lopinavir/ritonavir and atazanavir are used in combination.

Detailed Description

Thirty patients with HIV infection will be enrolled in this open-label, parallel arm pharmacokinetic study. Subjects receiving either lopinavir/ritonavir or atazanavir/ritonavir as part of their antir...

Eligibility Criteria

Inclusion

  • HIV-seropositive
  • Currently receiving atazanavir/ritonavir or lopinavir/ritonavir in combination with 2-3 nucleoside RT inhibitors or are antiretroviral treatment-naïve
  • If female, is not of childbearing potential or is of childbearing potential and agrees to use a barrier method of contraception throughout the study

Exclusion

  • HIV-1 RNA \> 400 copies/mL if currently receiving antiretroviral therapy
  • Concurrent use of CYP450 inhibitors or inducers
  • Concurrent use of P-glycoprotein substrates, inhibitors, or inducers
  • Concurrent use of medications known to interact with ritonavir or atazanavir
  • Presence of a chronic health condition deemed by the investigators to potentially impair lopinavir, ritonavir, or atazanavir pharmacokinetics
  • Presence of conduction abnormalities on electrocardiogram
  • Women who are pregnant or breastfeeding
  • Laboratory Abnormalities at baseline:
  • Aminotransferases \> 3x ULN
  • Serum bilirubin \> 5x ULN
  • Serum creatinine \> 1.5x ULN
  • Hemoglobin concentration \< 8.0 g/dL
  • Absolute neutrophil count \< 800 cells/μL
  • Platelet count \< 50,000 cells/μL

Key Trial Info

Start Date :

April 1 2007

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

September 1 2008

Estimated Enrollment :

19 Patients enrolled

Trial Details

Trial ID

NCT00420355

Start Date

April 1 2007

End Date

September 1 2008

Last Update

February 6 2009

Active Locations (1)

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OUHSC General Clinical Research Center

Oklahoma City, Oklahoma, United States, 73104