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Safety and Efficacy of COBI-boosted Atazanavir Versus Ritonavir-boosted Atazanavir Each Administered With Emtricitabine/Tenofovir Disoproxil Fumarate in HIV-1 Infected, Antiretroviral Treatment-Naive Adults

Phase 3
Completed
Conditions
HIV
HIV Infections
Interventions
Drug: ATV
Drug: FTC/TDF
Drug: COBI placebo
Registration Number
NCT01108510
Lead Sponsor
Gilead Sciences
Brief Summary

The objective of this study is to evaluate the safety and efficacy of a regimen containing cobicistat-boosted atazanavir (ATV+COBI) plus emtricitabine/tenofovir disoproxil fumarate (Truvada®; FTC/TDF) fixed-dose combination (FDC) versus ritonavir-boosted atazanavir (ATV+RTV) plus FTC/TDF FDC in HIV-1 infected, antiretroviral treatment-naive adults.

Participants will be randomized in a 1:1 ratio. Randomization will be stratified by HIV-1 RNA level (≤ 100,000 copies/mL or \> 100,000 copies/mL) at screening.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
698
Inclusion Criteria
  • Ability to understand and sign a written informed consent form, which must be obtained prior to initiation of study procedures
  • Plasma HIV-1 RNA levels ≥ 5,000 copies/mL at screening
  • No prior use of any approved or investigational antiretroviral drug for any length of time
  • Screening genotype report must show sensitivity to FTC, TDF and ATV
  • Normal ECG
  • Adequate renal function (eGFR calculated using the Cockcroft-Gault equation ≥ 70 mL/min)
  • Hepatic transaminases (AST and ALT) ≤ 5 x upper limit of normal (ULN)
  • Total bilirubin ≤ 1.5 mg/dL, or normal direct bilirubin
  • Adequate hematologic function
  • Serum amylase ≤ 5 x ULN
  • Males and females of childbearing potential must agree to utilize highly effective contraception methods from screening throughout the duration of study treatment and for 30 days following the last dose of study drug.
  • Age ≥ 18 years
  • Life expectancy ≥ 1 year
Exclusion Criteria
  • A new AIDS-defining condition diagnosed within the 30 days prior to screening
  • Receiving drug treatment for Hepatitis C, or anticipated to receive treatment for Hepatitis C
  • Subjects experiencing decompensated cirrhosis
  • Females who are breastfeeding
  • Positive serum pregnancy test (female of childbearing potential)
  • Have an implanted defibrillator or pacemaker
  • Have an ECG PR interval ≥ 220 msec
  • Current alcohol or substance use judged by the Investigator to potentially interfere with subject study compliance.
  • A history of malignancy within the past 5 years or ongoing malignancy other than cutaneous Kaposi's sarcoma (KS), basal cell carcinoma, or resected, non-invasive cutaneous squamous carcinoma.
  • Active, serious infections (other than HIV-1 infection) requiring parenteral antibiotic or antifungal therapy within 30 days prior to baseline.
  • Medications contraindicated for use with COBI, emtricitabine (FTC), tenofovir disoproxil fumarate (TDF), atazanavir (ATV), ritonavir (RTV) or subjects with any known allergies to the excipients of COBI tablets, Truvada tablets, atazanavir capsules or ritonavir tablets.
  • Participation in any other clinical trial without prior approval from the sponsor is prohibited while participating in this trial.
  • Any other clinical condition or prior therapy that, in the opinion of the Investigator, would make the subject unsuitable for the study or unable to comply with the dosing requirements.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
ATV+COBI+FTC/TDFATVCOBI + RTV placebo + ATV + FTC/TDF once daily
ATV+RTV+FTC/TDFATVRTV + COBI placebo + ATV + FTC/TDF once daily
ATV+RTV+FTC/TDFFTC/TDFRTV + COBI placebo + ATV + FTC/TDF once daily
ATV+RTV+FTC/TDFCOBI placeboRTV + COBI placebo + ATV + FTC/TDF once daily
ATV+COBI+FTC/TDFFTC/TDFCOBI + RTV placebo + ATV + FTC/TDF once daily
ATV+COBI+FTC/TDFRTV placeboCOBI + RTV placebo + ATV + FTC/TDF once daily
ATV+COBI+FTC/TDFCOBICOBI + RTV placebo + ATV + FTC/TDF once daily
ATV+RTV+FTC/TDFRTVRTV + COBI placebo + ATV + FTC/TDF once daily
Primary Outcome Measures
NameTimeMethod
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 48Week 48

The percentage of participants with HIV-1 RNA \< 50 copies/mL at Week 48 was analyzed using the snapshot algorithm, which defines a participant's virologic response status using only the viral load at the prespecified time point within an allowed window of time, along with study drug discontinuation status.

Secondary Outcome Measures
NameTimeMethod
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 96Week 96

The percentage of participants with HIV-1 RNA \< 50 copies/mL at Week 96 was analyzed using the snapshot algorithm.

Change From Baseline in CD4 Cell Count at Week 96Baseline to Week 96
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 144Week 144

The percentage of participants with HIV-1 RNA \< 50 copies/mL at Week 144 was analyzed using the snapshot algorithm.

Change From Baseline in CD4 Cell Count at Week 48Baseline to Week 48
Change From Baseline in CD4 Cell Count at Week 144Baseline to Week 144
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 192Week 192

The percentage of participants with HIV-1 RNA \< 50 copies/mL at Week 192 was analyzed using the snapshot algorithm.

Change From Baseline in CD4 Cell Count at Week 192Baseline to Week 192

Trial Locations

Locations (134)

Kaiser Permanente

🇺🇸

Los Angeles, California, United States

Oasis Clinic

🇺🇸

Los Angeles, California, United States

Peter J Ruane, MD, Inc

🇺🇸

Los Angeles, California, United States

Anthony Mills MD Inc

🇺🇸

Los Angeles, California, United States

Be Well Medical Center

🇺🇸

Berkley, Michigan, United States

Gordon E. Crofoot MD PA

🇺🇸

Houston, Texas, United States

University of Miami School of Medicine

🇺🇸

Miami, Florida, United States

La Playa Medical Group and Clinical Research

🇺🇸

San Diego, California, United States

Hennepin County Medical Center

🇺🇸

Minneapolis, Minnesota, United States

Duke University Medical Center

🇺🇸

Durham, North Carolina, United States

Metropolis Medical

🇺🇸

San Francisco, California, United States

Philadelphia FIGHT

🇺🇸

Philadelphia, Pennsylvania, United States

Project LORI

🇨🇦

Montreal, Canada

Kaiser Permanente Medical Center, Clinical Trials Unit

🇺🇸

San Francisco, California, United States

Whitman-Walker Clinic

🇺🇸

Washington, District of Columbia, United States

Living Hope Clinical Foundation

🇺🇸

Long Beach, California, United States

Health for Life Clinic PLLC

🇺🇸

Little Rock, Arkansas, United States

Broward Health/Comprehensive Care Center

🇺🇸

Fort Lauderdale, Florida, United States

SouthWest CARE Center

🇺🇸

Santa Fe, New Mexico, United States

Taylor Square Private Clinic

🇦🇺

Darlinghurst, New South Wales, Australia

Northside Clinic

🇦🇺

Melbourne, Victoria, Australia

Mt Sinai School of Medicine

🇺🇸

New York, New York, United States

Midway Immunology and Research Center

🇺🇸

Fort Pierce, Florida, United States

Wohlfeiler, Piperato and Associates, LLC

🇺🇸

Miami Beach, Florida, United States

Therafirst Medical Center

🇺🇸

Fort Lauderdale, Florida, United States

Peter Shalit, M.D.

🇺🇸

Seattle, Washington, United States

Infectious Disease Specialists of Atlanta

🇺🇸

Decatur, Georgia, United States

The Kinder Medical Group

🇺🇸

Miami, Florida, United States

Johns Hopkins University School of Medicine

🇺🇸

Baltimore, Maryland, United States

CentralWest Clinical Research

🇺🇸

St. Louis, Missouri, United States

Mercer University School of Medicine

🇺🇸

Macon, Georgia, United States

Howard Brown Health Center

🇺🇸

Chicago, Illinois, United States

Saint Michaels Medical Center

🇺🇸

Newark, New Jersey, United States

Ricky K. Hsu, MD, PC

🇺🇸

New York, New York, United States

Chelsea Village Medical, PC

🇺🇸

New York, New York, United States

University of Pennsylvania

🇺🇸

Philadelphia, Pennsylvania, United States

Therapeutic Concepts, PA

🇺🇸

Houston, Texas, United States

Albion Street Centre

🇦🇺

Sydney, New South Wales, Australia

Rosedale Infectious Diseases

🇺🇸

Huntersville, North Carolina, United States

St Vincent's Hospital, Sydney

🇦🇺

Darlinghurst, New South Wales, Australia

Instituto De Pesquisa Clinica Evandro Chagas

🇧🇷

Rio de Janeiro, RJ, Brazil

DCOL Center for Clinical Research

🇺🇸

Longview, Texas, United States

Division of Infectious Diseases, Thomas Jefferson University

🇺🇸

Philadelphia, Pennsylvania, United States

Southwest Infectious Disease Clinical Research, Inc.

🇺🇸

Dallas, Texas, United States

Tarrant County Infectious Disease Associates

🇺🇸

Fort Worth, Texas, United States

Research Access Network

🇺🇸

Houston, Texas, United States

Melbourne Sexual Health Centre

🇦🇺

Carlton, Victoria, Australia

University of Ghent

🇧🇪

Ghent, Belgium

Alfred Hospital

🇦🇺

Melbourne, Victoria, Australia

Holdsworth House Medical practice

🇦🇺

Sydney, New South Wales, Australia

CHU Saint-Pierre University Hospital

🇧🇪

Brussels, Belgium

Instituto De Infectologia Emilo Ribas

🇧🇷

São Paulo, Brazil

Immunodeficiency Service, McGill University Health Centre (MUHC) - Montreal Chest Institute

🇨🇦

Montréal, Quebec, Canada

Crt-Dst/Aids

🇧🇷

São Paulo, Brazil

Canadian Immunodeficiency Research Collaborative (CIRC) Inc.

🇨🇦

Toronto, Ontario, Canada

Clinique medicale l'Actuel

🇨🇦

Montreal, Quebec, Canada

Hôpital de la Croix Rousse - Maladies Infectieuses et Tropicales

🇫🇷

Lyon, France

Clinique Medicale du Quartier Latin

🇨🇦

Montreal, Quebec, Canada

Service des Maladies Infectieuses, CHU de Caen

🇫🇷

Caen, France

Bichat Hospital

🇫🇷

Paris, France

Infektio Research GmbH / Infektiologikum Frankfurt

🇩🇪

Frankfurt am Main, Germany

Centre François Magendie, Hôpital du Haut Lévêque

🇫🇷

Pessac, France

ICH Study Center Hamburg

🇩🇪

Hamburg, Germany

University Medical Center Hamburg-Eppendorf, Infectious Diseases Unit

🇩🇪

Hamburg, Germany

Tenon Hospital, UPMC

🇫🇷

Paris, France

Maladies Infectieuses Dpt

🇫🇷

Paris, France

EPIMED GmbH

🇩🇪

Berlin, Germany

Medizinische Universitätsklinik

🇩🇪

Bonn, Germany

Hospital de Santa Maria - CHLN

🇵🇹

Lisbon, Portugal

Dipartimento di Malattie Infettive

🇮🇹

Torino, Italy

University of Cologne, Department of Internal Medicine

🇩🇪

Koln, Germany

Azienda Ospedaliera Luigi Sacco 1° Divisione Malattie Infettive

🇮🇹

Milano, Italy

Fondazione Centro San Raffaele del Monte Tabor

🇮🇹

Milan, Italy

Hospital General Universitario Gregorio Marañon

🇪🇸

Madrid, Spain

Instituto de Investigacion Clentifica del Sur

🇵🇷

Ponce, Puerto Rico

Ramathibodi Hospital, Mahidol University

🇹🇭

Bangkok, Thailand

Division of Infectious Diseases and Hospital Hygiene; University Hospital of Zurich

🇨🇭

Zürich, Switzerland

HIV-NAT, Thai Red Cross AIDS Research Center and Faculty of Medicine Chulalongkorn University

🇹🇭

Bangkok, Thailand

Barts and the London NHS Trust

🇬🇧

London, United Kingdom

Brighton and Sussex University Hospitals NHS Trust

🇬🇧

Brighton, East Sussex, United Kingdom

University of Alabama at Birmingham

🇺🇸

Birmingham, Alabama, United States

Spectrum Medical Group

🇺🇸

Phoenix, Arizona, United States

Apex Research, LLC

🇺🇸

Denver, Colorado, United States

Henry Ford Health System

🇺🇸

Detroit, Michigan, United States

Medical College of Wisconsin

🇺🇸

Milwaukee, Wisconsin, United States

CHU de Nantes Hopital de l'Hotel Dieu

🇫🇷

Nantes, France

Department of Infectious Diseases, Saint-Louis hospital

🇫🇷

Paris, France

Centre Hospitalier de Tourcoing

🇫🇷

Tourcoing, France

Hopital Saint Antoine, Service De Maladies Infectieuses

🇫🇷

Paris, France

University Health Network, Toronto General Hospital

🇨🇦

Toronto, Ontario, Canada

Brasilmed Assistencia Medica E Pesquisas

🇧🇷

São Paulo, Brazil

University of South Florida HIV Clinical Research Unit / Hillsborough County Health Department

🇺🇸

Tampa, Florida, United States

Infectious Disease Research Institute Inc.

🇺🇸

Tampa, Florida, United States

St. Joseph's Comprehensive Research Institute

🇺🇸

Tampa, Florida, United States

Los Angeles Gay and Lesbian Center DBA Jeffrey Goodman Special Care Clinic

🇺🇸

Los Angeles, California, United States

Dupont Circle Physicians Group

🇺🇸

Washington, District of Columbia, United States

East Carolina University, The Brody School of Medicine

🇺🇸

Greenville, North Carolina, United States

Community Research Initiative of New England

🇺🇸

Boston, Massachusetts, United States

Carolinas Medical Center-Myers Park

🇺🇸

Charlotte, North Carolina, United States

Garcia's Family Health Group

🇺🇸

Harlingen, Texas, United States

LKH Graz West

🇦🇹

Graz, Austria

Allgemeines Krankenhaus

🇦🇹

Vienna, Austria

URDIP Faculdade de Medicina do ABC

🇧🇷

Santo Andre, Sao Paulo, Brazil

Universidade Estadual de Campinas

🇧🇷

Campinas, Brazil

Winnipeg Regional Health Authority - Health Sciences Centre Winnipeg

🇨🇦

Winnipeg, Manitoba, Canada

Rigshospitalet, Infektionsklinik 5112

🇩🇰

Copenhagen, Denmark

Hopital Sainte Marguerite Service d'Immuno-Hématologie Clinique -CISIH

🇫🇷

Marseille, France

Onze lieve vrouw gasthuis

🇳🇱

Amsterdam, Netherlands

Clinical Research Puerto Rico

🇵🇷

San Juan, Puerto Rico

Serviço de Doenças Infecciosas, Hospital de São João

🇵🇹

Porto, Portugal

Istituto Nazionale Malattie Infettive Lazzaro Spallanzani

🇮🇹

Roma, Italy

CHUV

🇨🇭

Lausanne, VD, Switzerland

Universitätsklinik für Infektiologie, Universitätsspital Bern

🇨🇭

Bern, Switzerland

Unidad de VIH, Hospital Civil de Guadalajara, Fray Antonio Alcalde

🇲🇽

Guadalajara, Jalisco, Mexico

Hospital Virgen del Rocio

🇪🇸

Sevilla, Spain

Khon Kaen University

🇹🇭

Khon Kaen, Thailand

Guys and St. Thomas' NHS Trust

🇬🇧

London, United Kingdom

Courtyard Clinic, St. Georges Hospital

🇬🇧

London, United Kingdom

Homerton University Hospital

🇬🇧

London, United Kingdom

Siriraj Hospital

🇹🇭

Bangkok, Thailand

University of California, Davis Medical Center

🇺🇸

Sacramento, California, United States

Kaiser Permanente Medical Group

🇺🇸

Sacramento, California, United States

Orlando Immunology Center

🇺🇸

Orlando, Florida, United States

Idocf/ Valuhealthmd, Llc

🇺🇸

Orlando, Florida, United States

Hôpital Universitaire Erasme - ULB

🇧🇪

Brussels, Belgium

Interne Lungenabteilung, SMZ Baumgartner Hoehe - Otto-Wagner-Spital

🇦🇹

Vienna, Austria

George Washington University Medical Faculty Associates

🇺🇸

Washington, District of Columbia, United States

North Shore University Hospital

🇺🇸

Manhasset, New York, United States

University of South Carolina

🇺🇸

Columbia, South Carolina, United States

Instituto Dominicano de Estudios Virologicos - IDEV

🇩🇴

Santo Domingo, Dominican Republic

Maharaj Nakorn Chiang Mai University, Faculty of Medicine, Department of Medicine

🇹🇭

Chiang Mai, Thailand

South Jersey Infectious Disease

🇺🇸

Somers Point, New Jersey, United States

Wake Forest University Health Sciences

🇺🇸

Winston Salem, North Carolina, United States

Montefiore Medical Center - AIDS Center

🇺🇸

Bronx, New York, United States

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