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Four-Drug Combination Treatment in Hiv-Infected Subjects Failing Therapy With Antiretroviral Regimens

This study has been completed.
Information provided by:
Pfizer Identifier:
First received: January 22, 2003
Last updated: October 5, 2007
Last verified: October 2007

January 22, 2003
October 5, 2007
January 2003
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To determine the optimal safe and effective dose of capravirine in combination with Kaletra plus at least 2 NRTIs
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Complete list of historical versions of study NCT00052117 on Archive Site
  • the relationship of HIV baseline resistance (genotype and phenotype) to virologic outcome
  • the population pharmacokinetics of capravirine and lopinavir/ritonavir (Kaletra) using mixed-effects modeling
  • the pharmacokinetic drug-drug interactions between capravirine and Kaletra and selected concomitant medications
  • changes in subject-reported health status and HIV symptoms using the Medical Outcomes Study - HIV Health Survey (MOS-HIV) and the Symptoms Distress Module (National Institute of Allergy and Infectious Diseases Adult AIDS Clinical Trials Group)
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Four-Drug Combination Treatment in Hiv-Infected Subjects Failing Therapy With Antiretroviral Regimens
A Phase 2, Randomized, Double-Blind, Dose-Ranging Study Of Capravirine (AG1549) In Combination With Kaletra (Trademark) and At Least 2 Nucleoside Reverse Transcriptase Inhibitors in Hiv-Infected Subjects Who Have Failed Antiretroviral Regimens Containing Protease Inhibitors, Nonnucleoside Reverse Transcriptase Inhibitors, and Nucleoside Reverse Transcriptase Inhibitors

This is a 48 week study for HIV-infected patients who have failed several regimens including PI's, NNRTs and NRTIs. Patients will be randomly selected to be in 1 of 4 groups. Three of the 4 groups will contain capravirine in different doses combined with Kaletra and nucleosides and one of the groups will be a combination of Kaletra and nucleosides without the capravirine.

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Phase 2
Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double-Blind
Primary Purpose: Treatment
HIV Infections
  • Drug: capravirine
  • Drug: Kaletra
  • Drug: 2 NRTIs
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*   Includes publications given by the data provider as well as publications identified by Identifier (NCT Number) in Medline.
May 2005
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Inclusion Criteria:

  • HIV-infected male or female at least 18 years of age
  • HIV RNA level >1000 copies/mL at screening
  • Subject has failed regimens that included at least 1 protease inhibitor but not more than 3 protease inhibitors, at least 1 nonnucleoside reverse transcriptase inhibitor, and least 2 nucleoside reverse transcriptase inhibitors
  • Adequate renal function
  • Adequate hematological function
  • Adequate liver function

Exclusion Criteria:

  • Women who are pregnant or lactating
  • No previous experience with Kaletra
18 Years and older
Contact information is only displayed when the study is recruiting subjects
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Study Director: Pfizer Call Center Pfizer
October 2007

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP