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Study of Boosted Atazanavir (ATV) Versus Non-boosted ATV in Naive Patients

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00084253
Recruitment Status : Completed
First Posted : June 11, 2004
Last Update Posted : March 5, 2010
Information provided by:
Bristol-Myers Squibb

Brief Summary:
The purpose of this study is to find out if 300 mg of ATV plus 100 mg of ritonavir (RTV) works as well as 400 mg of ATV alone as part of a regimen with stavudine XR and lamivudine to slow or stop the progression of HIV infection in patients who have never used anti-HIV drugs.

Condition or disease Intervention/treatment Phase
HIV Infections Drug: Atazanavir/ Stavidine / Lamivudine Drug: Atazanavir-Ritonavir/ Stavidine / Lamivudine Phase 4

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 200 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Phase IV Study of Boosted Atazanavir (ATV) Versus Non-boosted ATV in Naive Patients
Study Start Date : June 2004
Actual Primary Completion Date : August 2006

Resource links provided by the National Library of Medicine

MedlinePlus related topics: HIV/AIDS

Arm Intervention/treatment
Active Comparator: 1 Drug: Atazanavir/ Stavidine / Lamivudine
Capsules, Oral, ATV (2 x 200 mg) QD + 3TC (2 x 150 mg) QD + Zerit XR (1 x 100 mg) QD, Once daily, 96 weeks.
Other Name: Reyataz

Active Comparator: 2 Drug: Atazanavir-Ritonavir/ Stavidine / Lamivudine
Capsules, Oral, ATV (2 x 150 mg) QD + RTV (1 x 100 mg) QD + 3TC (2 x 150 mg) QD + Zerit XR (1 x 100 mg) QD*, Once daily, 96 weeks.
Other Name: Reyataz

Primary Outcome Measures :
  1. To compare the proportion of subjects responding to treatment with HIV RNA levels < LOQ (400 c/mL) through Week 48 in treatment naive subjects for ATV and ATV/RTV (each combined with 3TC and d4T XR).

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Signed Informed Consent
  • HIV RNA greater than or equal 200 copies/mL at screening
  • 18 years old or older
  • Must use barrier contraception
  • Women of child-bearing potential must have a negative serum or urine pregnancy test within 72 hours before beginning to take the study medications

Exclusion Criteria:

  • Unable or unwilling to use acceptable method of birth control for the entire study period including 8 weeks after the study
  • Women using oral contraceptives, pregnant or breastfeeding women
  • Women who have a positive pregnancy test on enrollment or before beginning to take the study medications
  • People who have a life expectancy of greater than 12 months
  • Newly diagnosed HIV-related OI or any medical condition requiring acute therapy at the time of enrollment
  • Any antiretroviral therapy within 30 days prior to screening
  • Any prior antiretroviral therapy (greater than 30 days of NRTI and/or greater than 7 days of non-nucleoside reverse-transcriptase inhibitor (NNRTI) or protease inhibitor therapies)
  • Any of the following conditions: Cushings Syndrome, Gilbert's Syndrome, untreated hypothyroidism or hyperthyroidism, suspected primary (acute) HIV infection, obstructive liver disease, proven or suspected acute hepatitis in the 30 days prior to study entry, Intractable diarrhea (at greater than 6 loose stools per day for at least 78 consecutive days) within 30 days prior to study entry, history of hemophilia, history of acute or chronic pancreatitis, presence of cardiomyopathy (due to any cause) or any significant cardiovascular disease, such as unstable ischemic heart disease
  • Active alcohol or substance abuse
  • History or signs and symptoms of bilateral peripheral neuropathy greater than grade 2 at the time of screening
  • Previous therapy with myelosuppressive, neurotoxic, pancreatotoxic, hepatotoxic, or cytotoxic potential within 3 months of study start or the expected need for such therapy or therapy with methadone or ribavirin/interferons or treatment with neurotoxic drugs or drugs that affect CYP3A4
  • Inability to swallow capsules

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00084253

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United States, New Jersey
Various locations within the US
Call for Information, New Jersey, United States
Sponsors and Collaborators
Bristol-Myers Squibb
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Study Director: Bristol-Myers Squibb Bristol-Myers Squibb
Layout table for additonal information Identifier: NCT00084253    
Other Study ID Numbers: AI424-089 ST
First Posted: June 11, 2004    Key Record Dates
Last Update Posted: March 5, 2010
Last Verified: June 2008
Keywords provided by Bristol-Myers Squibb:
Treatment Naive
Additional relevant MeSH terms:
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HIV Infections
Lentivirus Infections
Retroviridae Infections
RNA Virus Infections
Virus Diseases
Sexually Transmitted Diseases, Viral
Sexually Transmitted Diseases
Immunologic Deficiency Syndromes
Immune System Diseases
Atazanavir Sulfate
HIV Protease Inhibitors
Protease Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Anti-HIV Agents
Anti-Retroviral Agents
Antiviral Agents
Anti-Infective Agents
Cytochrome P-450 CYP3A Inhibitors
Cytochrome P-450 Enzyme Inhibitors
Reverse Transcriptase Inhibitors
Nucleic Acid Synthesis Inhibitors