A Phase III Randomized Double-Blind, Multicenter Study to Evaluate the Safety and Efficacy of 3TC/ZDV/1592U89 and 3TC/ZDV/IDV in HIV-1 Infected Antiretroviral Therapy-Naive Subjects.

GlaxoSmithKline (GSK) logo

GlaxoSmithKline (GSK)

Status and phase

Completed
Phase 3

Conditions

HIV Infections

Treatments

Drug: Lamivudine/Zidovudine
Drug: Abacavir sulfate
Drug: Indinavir sulfate

Study type

Interventional

Funder types

Industry

Identifiers

NCT00002199
238K
CNAA/B3005

Details and patient eligibility

About

To compare the safety, tolerance, early antiviral activity, and durability of antiviral response of the lamivudine (3TC)/zidovudine (ZDV)/1592U89 arm versus the 3TC/ZDV/indinavir (IDV) arm. To determine the effect of the two arms on clinical efficacy as determined by the occurrence of new CDC, defined class B/C events, survival, medical resource utilization, and the development of plasma viral genotypic and phenotypic resistance.

Full description

In this international study, 550 patients are randomized (225 per arm) to receive Combivir in combination with 1592U89 or indinavir. If after 16 weeks (and every 8 weeks thereafter until week 48) a patient has HIV-1 RNA >= 400 copies/ml (by PCR on two occasions >= 1 week and < 4 weeks apart), the patient has the option to switch to open-label therapy consisting of indinavir, 1592U89, and Combivir.

Sex

All

Ages

16+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria

Concurrent Medication:

Allowed:

GM-CSF, G-CSF, and erythropoietin.

Concurrent Treatment:

Allowed:

Local treatment for Kaposi's sarcoma.

Patients must have:

  • HIV-1 infection documented by a licensed HIV-1 antibody ELISA and confirmed by Western blot detection of HIV-1 antibody or positive HIV-1 blood culture.
  • CD4+ cell count >= 100 cells/mm3 within 14 days prior to study drug administration.
  • HIV-1 RNA >= 10,000 copies/ml within 14 days prior to study drug administration.
  • No active diagnosis of AIDS according to the 1993 Centers for Disease Control (CDC) AIDS surveillance definition (excluding CD4+ cell counts < 200 cells/mm3).
  • Signed, informed consent from parent or legal guardian for patients under 18 years of age.

Exclusion Criteria

Co-existing Condition:

Patients with the following conditions or symptoms are excluded:

  • Malabsorption syndrome or other gastrointestinal dysfunction that may interfere with drug absorption.
  • Serious medical conditions such as diabetes, congestive heart failure, cardiomyopathy, or other cardiac dysfunction that would compromise the safety of the patient.

Concurrent Medication:

Excluded:

  • Cytotoxic chemotherapeutic agents.
  • Agents with documented anti-HIV-1 activity in vitro.
  • Foscarnet.
  • Immunomodulating agents such as systemic corticosteroids, interleukins, thalidomide, or interferons.
  • Terfenadine, astemizole, cisapride, triazolam, midazolam, and ergotamine/dihydroergotamine.

Concurrent Treatment:

Excluded:

  • Radiation therapy.
  • Other investigational treatments. NOTE:
  • Treatments available through treatment IND or other expanded access programs are the exception and evaluated individually.

Patients with the following prior conditions are excluded:

History of relevant pancreatitis or hepatitis in the last 6 months.

Prior Medication:

Excluded:

  • Cytotoxic chemotherapeutic agents within 30 days of study drug administration.
  • Prior antiretroviral therapy.
  • HIV vaccine dose within 90 days of study drug administration.
  • Immunomodulating agents such as systemic corticosteroids, interleukins, or interferons within 30 days of study entry.

Prior Treatment:

Excluded:

Radiation therapy within 30 days of study drug administration.

Current alcohol or illicit drug use that may interfere with patient compliance.

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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