NCT00135356

Brief Summary

The purpose of this clinical research study is to learn if human immunodeficiency virus (HIV)-infected subjects with abdominal fat accumulation on their highly active antiretroviral treatment (HAART) regimen have better changes in fat distribution after switching to atazanavir-ritonavir than those remaining on their current protease inhibitor boosted HAART regimen.

Trial Health

93
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
219

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Jul 2005

Typical duration for phase_4

Geographic Reach
9 countries

30 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 1, 2005

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

August 25, 2005

Completed
1 day until next milestone

First Posted

Study publicly available on registry

August 26, 2005

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2007

Completed
11 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2008

Completed
1.9 years until next milestone

Results Posted

Study results publicly available

May 7, 2010

Completed
Last Updated

May 7, 2010

Status Verified

April 1, 2010

Enrollment Period

2 years

First QC Date

August 25, 2005

Results QC Date

December 15, 2009

Last Update Submit

April 20, 2010

Conditions

Keywords

HIV infections

Outcome Measures

Primary Outcomes (1)

  • Change From Baseline in Trunk-to-limb Fat Ratio as Measured by Dual Energy X-Ray Absortiometry (DEXA) at Week 48

    Mean changes from Baseline in trunk-to-limb fat ratio as measured by DEXA, an x-ray scan used to measure bone mineral density. Clinical improvement is associated with a decrease in values. (Baseline trunk-to-limb fat ratio values can be found in the Baseline Characteristics section.)

    Baseline, Week 48

Secondary Outcomes (17)

  • Change From Baseline in Trunk-to-limb Fat Ratio as Measured by DEXA at Week 96

    Baseline, Week 96

  • Mean Percent Change From Baseline in Visceral Adipose Tissue (VAT) Area by Computed Tomography (CT) Scans and in Trunk Fat by DEXA.

    Baseline, Week 48, Week 96

  • Mean Percent Change From Baseline in Peripheral Adipose Tissue (Limb Fat) by DEXA and by Changes in Subcutaneous Adipose Tissue (SAT) Area by CT Scans

    Baseline, Week 48, Week 96

  • Mean Percent Change From Baseline in Total Body Fat by DEXA and in Total Adipose Tissue (TAT) Area by CT Scans

    Baseline, Week 48, Week 96

  • Mean Percent Changes From Baseline in Fasting Lipids

    Baseline, Week 48, Week 96

  • +12 more secondary outcomes

Study Arms (2)

Switch arm

ACTIVE COMPARATOR
Drug: Atazanavir (ATV) + ritonavir (RTV), continuation of backbone 2 nucleoside reverse transcriptase inhibitor (NRTIs)

Control Arm

ACTIVE COMPARATOR
Drug: continuation of current HAART (boosted protease inhibitor [PI] combination + 2 NRTIs)

Interventions

Capsules, Oral, ATV 300 mg + RTV 100 mg once daily up to 96 weeks

Also known as: Reyataz
Switch arm

Protease inhibitor \[PI\] combination + 2 NRTIs

Control Arm

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • HIV-1 infected on HAART regimen containing 2 NRTI and boosted PI for at least 12 weeks prior to screening. Subjects may not have experienced virological failure to more than one prior PI-containing regimen. Must be able to swallow tablets
  • Viral load \<400 c/mL at screening and stable for at least 6 months
  • Signs of fat redistribution and lipohypertrophy (abdominal) Waist to Hip Ratio \>0.90 and Waist Circumference \>88.2 cm for men and Waist Circumference \>75.3 for women

You may not qualify if:

  • Pregnant or breastfeeding women
  • New HIV-related opportunistic infections
  • Active alcohol or substance use
  • Grade 4 lab toxicity
  • History of taking atazanavir (ATV)
  • Prohibited therapies, including non-nucleoside reverse transcriptase inhibitors (NNRTI)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (30)

Local Institution

Fort Lauderdale, Florida, United States

Location

Local Institution

Honolulu, Hawaii, United States

Location

Local Institution

Huntersville, North Carolina, United States

Location

Local Institution

Houston, Texas, United States

Location

Local Institution

Ottawa, Ontario, Canada

Location

Local Institution

Toronto, Ontario, Canada

Location

Local Institution

Bondy, France

Location

Local Institution

Lagny-sur-Marne, France

Location

Local Institution

Lyon, France

Location

Local Institution

Nice, France

Location

Local Institution

Paris, France

Location

Local Institution

Frankfurt am Main, Germany

Location

Local Institution

München, Germany

Location

Local Institution

Brescia, Italy

Location

Local Institution

Milan, Italy

Location

Local Institution

Modena, Italy

Location

Local Institution

Roma, Italy

Location

Local Institution

Guadalajara, Jalisco, Mexico

Location

Local Institution

Zapopan, Jalisco, Mexico

Location

Local Institution

Puebla City, Mexico

Location

Local Institution

Szczecin, Poland

Location

Local Institution

Wroclaw, Poland

Location

Local Institution

Barcelona, Spain

Location

Local Institution

Elche (Alicante), Spain

Location

Local Institution

Guipuzcoa, Spain

Location

Local Institution

Madrid, Spain

Location

Local Institution

Málaga, Spain

Location

Local Institution

Valencia, Spain

Location

Local Institution

Brighton, East Sussex, United Kingdom

Location

Local Institution

London, Greater London, United Kingdom

Location

MeSH Terms

Conditions

HIV-Associated Lipodystrophy SyndromeHIV Infections

Interventions

Atazanavir SulfateRitonavir

Condition Hierarchy (Ancestors)

Blood-Borne InfectionsCommunicable DiseasesInfectionsSexually Transmitted Diseases, ViralSexually Transmitted DiseasesLentivirus InfectionsRetroviridae InfectionsRNA Virus InfectionsVirus DiseasesGenital DiseasesUrogenital DiseasesLipodystrophySkin Diseases, MetabolicSkin DiseasesSkin and Connective Tissue DiseasesLipid Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesImmunologic Deficiency SyndromesImmune System Diseases

Intervention Hierarchy (Ancestors)

PyridinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsOligopeptidesPeptidesAmino Acids, Peptides, and ProteinsThiazolesSulfur CompoundsOrganic ChemicalsAzoles

Results Point of Contact

Title
BMS Study Director
Organization
Bristol-Myers Squibb

Study Officials

  • Bristol-Myers Squibb

    Bristol-Myers Squibb

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

August 25, 2005

First Posted

August 26, 2005

Study Start

July 1, 2005

Primary Completion

July 1, 2007

Study Completion

June 1, 2008

Last Updated

May 7, 2010

Results First Posted

May 7, 2010

Record last verified: 2010-04

Locations