HIVPhase 3NCT01108510
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
A Phase 3 study testing COBI, RTV and ATV in people with HIV and HIV Infections, run by Gilead Sciences at 134 sites in 19 countries.
Trial 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… Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- HIV, HIV Infections
- What is being tested?
- COBI, RTV and ATV
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 698 participants
- Where
- 134 sitesin 19 countries
- Study dates
- Apr 2010to Apr 2015
- Phase
- Phase 3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- 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)
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- 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
Who cannot join
- 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
Show all 13Show fewer
- 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.
Trial locations and contacts
134 sites in 19 countries.
134 sites in 19 countries
United States64 sites
Johns Hopkins University School of Medicine
Baltimore, Maryland, 21205
Be Well Medical Center
Berkley, Michigan, 48072
University of Alabama at Birmingham
Birmingham, Alabama, 35294
Community Research Initiative of New England
Boston, Massachusetts, 02215
Carolinas Medical Center-Myers Park
Charlotte, North Carolina, 28207
Howard Brown Health Center
Chicago, Illinois, 60613
University of South Carolina
Columbia, South Carolina, 29203
Southwest Infectious Disease Clinical Research, Inc.
Dallas, Texas, 75204
Infectious Disease Specialists of Atlanta
Decatur, Georgia, 30033
Apex Research, LLC
Denver, Colorado, 80220
Henry Ford Health System
Detroit, Michigan, 48202
Duke University Medical Center
Durham, North Carolina, 27710
Therafirst Medical Center
Fort Lauderdale, Florida, 33308
Broward Health/Comprehensive Care Center
Fort Lauderdale, Florida, 33311
Tarrant County Infectious Disease Associates
Fort Worth, Texas, 76104
Midway Immunology and Research Center
Ft. Pierce, Florida, 34982
East Carolina University, The Brody School of Medicine
Greenville, North Carolina, 27834
Garcia's Family Health Group
Harlingen, Texas, 78550
Therapeutic Concepts, PA
Houston, Texas, 77004
Gordon E. Crofoot MD PA
Houston, Texas, 77098
Research Access Network
Houston, Texas, 77098
Rosedale Infectious Diseases
Huntersville, North Carolina, 28078
Health for Life Clinic PLLC
Little Rock, Arkansas, 72207
Living Hope Clinical Foundation
Long Beach, California, 90813
DCOL Center for Clinical Research
Longview, Texas, 75605
Kaiser Permanente
Los Angeles, California, 90027
Los Angeles Gay and Lesbian Center DBA Jeffrey Goodman Special Care Clinic
Los Angeles, California, 90028
Peter J Ruane, MD, Inc
Los Angeles, California, 90036
Oasis Clinic
Los Angeles, California, 90059
Anthony Mills MD Inc
Los Angeles, California, 90069
Mercer University School of Medicine
Macon, Georgia, 31210
North Shore University Hospital
Manhasset, New York, 11030
The Kinder Medical Group
Miami, Florida, 33133
University of Miami School of Medicine
Miami, Florida, 33136
Wohlfeiler, Piperato and Associates, LLC
Miami Beach, Florida, 33139
Medical College of Wisconsin
Milwaukee, Wisconsin, 53226
Hennepin County Medical Center
Minneapolis, Minnesota, 55415
Chelsea Village Medical, PC
New York, New York, 10011
Mt Sinai School of Medicine
New York, New York, 10011
Ricky K. Hsu, MD, PC
New York, New York, 10011
Saint Michaels Medical Center
Newark, New Jersey, 07102
Orlando Immunology Center
Orlando, Florida, 32803
Idocf/ Valuhealthmd, Llc
Orlando, Florida, 32806
University of Pennsylvania
Philadelphia, Pennsylvania, 19104
Division of Infectious Diseases, Thomas Jefferson University
Philadelphia, Pennsylvania, 19107
Philadelphia FIGHT
Philadelphia, Pennsylvania, 19107
Spectrum Medical Group
Phoenix, Arizona, 85012
University of California, Davis Medical Center
Sacramento, California, 95817
Kaiser Permanente Medical Group
Sacramento, California, 95825
La Playa Medical Group and Clinical Research
San Diego, California, 92103
Metropolis Medical
San Francisco, California, 94115
Kaiser Permanente Medical Center, Clinical Trials Unit
San Francisco, California, 94118
SouthWest CARE Center
Santa Fe, New Mexico, 87505
Peter Shalit, M.D.
Seattle, Washington, 98104
South Jersey Infectious Disease
Somers Point, New Jersey, 08244
CentralWest Clinical Research
St Louis, Missouri, 63108
University of South Florida HIV Clinical Research Unit / Hillsborough County Health Department
Tampa, Florida, 33602
Infectious Disease Research Institute Inc.
Tampa, Florida, 33614
St. Joseph's Comprehensive Research Institute
Tampa, Florida, 33615
Montefiore Medical Center - AIDS Center
The Bronx, New York, 10467
Dupont Circle Physicians Group
Washington D.C., District of Columbia, 20009
Whitman-Walker Clinic
Washington D.C., District of Columbia, 20009
George Washington University Medical Faculty Associates
Washington D.C., District of Columbia, 20037
Wake Forest University Health Sciences
Winston-Salem, North Carolina, 27157
France11 sites
Service des Maladies Infectieuses, CHU de Caen
Caen, 14033
Hôpital de la Croix Rousse - Maladies Infectieuses et Tropicales
Lyon, 69288
Hopital Sainte Marguerite Service d'Immuno-Hématologie Clinique -CISIH
Marseille, 13009
CHU de Nantes Hopital de l'Hotel Dieu
Nantes, 44093
Department of Infectious Diseases, Saint-Louis hospital
Paris, 75010
Hopital Saint Antoine, Service De Maladies Infectieuses
Paris, 75012
Bichat Hospital
Paris, 75018
Tenon Hospital, UPMC
Paris, 75020
Maladies Infectieuses Dpt
Paris, 75651
Centre François Magendie, Hôpital du Haut Lévêque
Pessac, 33604
Centre Hospitalier de Tourcoing
Tourcoing, 59208
Australia7 sites
Melbourne Sexual Health Centre
Carlton, Victoria, 3053
St Vincent's Hospital, Sydney
Darlinghurst, New South Wales, 2010
Taylor Square Private Clinic
Darlinghurst, New South Wales, 2010
Alfred Hospital
Melbourne, Victoria, 3004
Northside Clinic
Melbourne, Victoria, 3068
Albion Street Centre
Sydney, New South Wales, 2010
Holdsworth House Medical practice
Sydney, New South Wales, 2010
Canada7 sites
Clinique medicale l'Actuel
Montreal, Quebec, H2L 4P9
Clinique Medicale du Quartier Latin
Montreal, Quebec, H2L 5B1
Immunodeficiency Service, McGill University Health Centre (MUHC) - Montreal Chest Institute
Montreal, Quebec, H2X 2P4
Project LORI
Montreal, H3H 1V1
Canadian Immunodeficiency Research Collaborative (CIRC) Inc.
Toronto, Ontario, M5B1L6
University Health Network, Toronto General Hospital
Toronto, Ontario, M5G 2N2
Winnipeg Regional Health Authority - Health Sciences Centre Winnipeg
Winnipeg, Manitoba, R3A 1R9
Brazil6 sites
Universidade Estadual de Campinas
Campinas, 13083-970
Instituto De Pesquisa Clinica Evandro Chagas
Rio de Janeiro, Rio de Janeiro, 21040-900
URDIP Faculdade de Medicina do ABC
Santo André, São Paulo, 09060-650
Instituto De Infectologia Emilo Ribas
São Paulo, São Paulo, 01246-900
Brasilmed Assistencia Medica E Pesquisas
São Paulo, São Paulo, 01416-000
Crt-Dst/Aids
São Paulo, São Paulo, 04121-000
Germany6 sites
EPIMED GmbH
Berlin, 12157
Medizinische Universitätsklinik
Bonn, 53127
University of Cologne, Department of Internal Medicine
Cologne, 50937
Infektio Research GmbH / Infektiologikum Frankfurt
Frankfurt am Main, 60311
ICH Study Center Hamburg
Hamburg, 20146
University Medical Center Hamburg-Eppendorf, Infectious Diseases Unit
Hamburg, 20246
Thailand5 sites
HIV-NAT, Thai Red Cross AIDS Research Center and Faculty of Medicine Chulalongkorn University
Bangkok, 10330
Ramathibodi Hospital, Mahidol University
Bangkok, 10400
Siriraj Hospital
Bangkok, 10700
Maharaj Nakorn Chiang Mai University, Faculty of Medicine, Department of Medicine
Chiang Mai, 50200
Khon Kaen University
Khon Kaen, 40002
United Kingdom5 sites
Brighton and Sussex University Hospitals NHS Trust
Brighton, East Sussex, BN2 1ES
Barts and the London NHS Trust
London, E1 1BB
Homerton University Hospital
London, E9 6SR
Guys and St. Thomas' NHS Trust
London, SE1 7EH
Courtyard Clinic, St. Georges Hospital
London, SW17 0QT
Italy4 sites
Fondazione Centro San Raffaele del Monte Tabor
Milan, 20127
Azienda Ospedaliera Luigi Sacco 1° Divisione Malattie Infettive
Milan, 20157
Istituto Nazionale Malattie Infettive Lazzaro Spallanzani
Roma, 00149
Dipartimento di Malattie Infettive
Torino, 10149
Austria3 sites
LKH Graz West
Graz, A-8010
Allgemeines Krankenhaus
Vienna, 1090
Interne Lungenabteilung, SMZ Baumgartner Hoehe - Otto-Wagner-Spital
Vienna, 1140
Belgium3 sites
CHU Saint-Pierre University Hospital
Brussels, 1000
Hôpital Universitaire Erasme - ULB
Brussels, 1070
University of Ghent
Ghent, 9000
Switzerland3 sites
Universitätsklinik für Infektiologie, Universitätsspital Bern
Bern, 3010
CHUV
Lausanne, Canton of Vaud, 1011
Division of Infectious Diseases and Hospital Hygiene; University Hospital of Zurich
Zurich, 8091
Portugal2 sites
Hospital de Santa Maria - CHLN
Lisbon, 1649-035
Serviço de Doenças Infecciosas, Hospital de São João
Porto, 4202-451
Puerto Rico2 sites
Instituto de Investigacion Clentifica del Sur
Ponce, 00731
Clinical Research Puerto Rico
San Juan, 00909
Spain2 sites
Hospital General Universitario Gregorio Marañon
Madrid, 28007
Hospital Virgen del Rocio
Seville, 41013
Dominican Republic1 site
Instituto Dominicano de Estudios Virologicos - IDEV
Santo Domingo
Mexico1 site
Unidad de VIH, Hospital Civil de Guadalajara, Fray Antonio Alcalde
Guadalajara, Jalisco, 44280
About this study
Official title: A Phase 3, Randomized, Double-Blind Study to Evaluate the Safety and Efficacy of GS-9350-boosted Atazanavir Versus Ritonavir-boosted Atazanavir Each Administered With Emtricitabine/Tenofovir Disoproxil Fumarate in HIV-1 Infected, Antiretroviral Treatment-Naive Adults
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.
- Conditions
- HIV, HIV Infections
- Being tested
- COBI, RTV, ATV, FTC/TDF, COBI placebo
- Keywords
- Treatment Naive, HIV 1 Infected
- Medical subject headings
- HIV Infections
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
COBIDrug
Also called Tybost®, GS-9350
Cobicistat (COBI) 150 mg tablet administered orally once daily
RTVDrug
Also called Norvir®
Ritonavir (RTV) 100 mg tablet administered orally once daily
ATVDrug
Also called Reyataz®
Atazanavir (ATV) 300 mg capsule administered orally once daily
FTC/TDFDrug
Also called Truvada®
Emtricitabine (FTC) 200 mg/tenofovir disoproxil fumarate (TDF) 300 mg fixed-dose combination tablet administered orally once daily
COBI placeboDrug
Placebo to match COBI administered orally once daily
RTV placeboDrug
Placebo to match RTV administered orally once daily
| Study group | Role | What they receive |
|---|---|---|
| ATV+COBI+FTC/TDF | Experimental | COBI + RTV placebo + ATV + FTC/TDF once daily Receives: Drug: COBI; Drug: ATV; Drug: FTC/TDF; Drug: RTV placebo |
| ATV+RTV+FTC/TDF | Active comparator | RTV + COBI placebo + ATV + FTC/TDF once daily Receives: Drug: RTV; Drug: ATV; Drug: FTC/TDF; Drug: COBI placebo |
What is being measured
The primary outcome is the main question the study is designed to answer.
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 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.
Measured: Week 48
Secondary outcomes (7)
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 96
The percentage of participants with HIV-1 RNA < 50 copies/mL at Week 96 was analyzed using the snapshot algorithm.
Measured: Week 96
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 144
The percentage of participants with HIV-1 RNA < 50 copies/mL at Week 144 was analyzed using the snapshot algorithm.
Measured: Week 144
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 192
The percentage of participants with HIV-1 RNA < 50 copies/mL at Week 192 was analyzed using the snapshot algorithm.
Measured: Week 192
Change From Baseline in CD4 Cell Count at Week 48
Measured: Baseline to Week 48
Change From Baseline in CD4 Cell Count at Week 96
Measured: Baseline to Week 96
Change From Baseline in CD4 Cell Count at Week 144
Measured: Baseline to Week 144
Change From Baseline in CD4 Cell Count at Week 192
Measured: Baseline to Week 192
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted22 Apr 2010 (estimated)
- Study startApr 2010
- Primary completionNov 2011
- Study completionApr 2015
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (3)Papers the sponsor has linked to this study.
- Other trials for HIVStudies of the same condition, open and under way.
- More trials run by Gilead SciencesThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Investigator, Outcomes assessor
- Enrolment
- 698 participants (actual)
Sponsor and investigators
- Lead sponsor
- Gilead Sciences
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Huyen Cao, MD, Study director, Gilead Sciences
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01108510
- Sponsor's protocol ID
- GS-US-216-0114
- Other IDs
- 2009-016759-22, 2009
- Status last verified
- Apr 2016
- First submitted
- 20 Apr 2010
- Last updated
- 23 May 2016
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
Publications
Gallant JE, Koenig E, Andrade-Villanueva J, Chetchotisakd P, DeJesus E, Antunes F, Arasteh K, Moyle G, Rizzardini G, Fehr J, Liu Y, Zhong L, Callebaut C, Szwarcberg J, Rhee MS, Cheng AK. Cobicistat versus ritonavir as a pharmacoenhancer of atazanavir plus emtricitabine/tenofovir disoproxil fumarate in treatment-naive HIV type 1-infected patients: week 48 results. J Infect Dis. 2013 Jul;208(1):32-9. doi: 10.1093/infdis/jit122. Epub 2013 Mar 26.
PubMed 23532097Gallant JE, Koenig E, Andrade-Villanueva JF, Chetchotisakd P, DeJesus E, Antunes F, Arasteh K, Rizzardini G, Fehr J, Liu HC, Abram ME, Cao H, Szwarcberg J. Brief Report: Cobicistat Compared With Ritonavir as a Pharmacoenhancer for Atazanavir in Combination With Emtricitabine/Tenofovir Disoproxil Fumarate: Week 144 Results. J Acquir Immune Defic Syndr. 2015 Jul 1;69(3):338-40. doi: 10.1097/QAI.0000000000000598.
PubMed 26181707Gallant J, Moyle G, Berenguer J, Shalit P, Cao H, Liu YP, Myers J, Rosenblatt L, Yang L, Szwarcberg J. Atazanavir Plus Cobicistat: Week 48 and Week 144 Subgroup Analyses of a Phase 3, Randomized, Double-Blind, Active-Controlled Trial. Curr HIV Res. 2017;15(3):216-224. doi: 10.2174/1570162X14666161021102728.
PubMed 27774892
Study at a glance
From the registry record, last updated by the sponsor on 23 May 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase 3, Randomized, Double-Blind Study to Evaluate the Safety and Efficacy of GS-9350-boosted Atazanavir Versus Ritonavir-boosted Atazanavir Each Administered With Emtricitabine/Tenofovir Disoproxil Fumarate in HIV-1 Infected, Antiretroviral Treatment-Naive Adults
- ClinicalTrials.gov ID
- NCT01108510
- Acronym / sponsor ID
- GS-US-216-0114
- Conditions
- HIV, HIV Infections
- Keywords
- Treatment Naive, HIV 1 Infected
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 698 participants (actual)
- Lead sponsor
- Gilead SciencesIndustry (pharma, biotech, devices)
- Study start
- Apr 2010
- Primary completion
- Nov 2011 (actual)
- Study completion
- Apr 2015 (actual)
- First posted
- 22 Apr 2010 (estimated)
- Results
- Posted 28 Oct 2014
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
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.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, investigator, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| ATV+COBI+FTC/TDF | Experimental | Drug: COBI, Drug: ATV, Drug: FTC/TDF, Drug: RTV placeboCOBI + RTV placebo + ATV + FTC/TDF once daily |
| ATV+RTV+FTC/TDF | Active comparator | Drug: RTV, Drug: ATV, Drug: FTC/TDF, Drug: COBI placeboRTV + COBI placebo + ATV + FTC/TDF once daily |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (13 listed)
- 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
Key exclusion criteria (13 listed)
- 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)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| COBIAlso: Tybost®, GS-9350Cobicistat (COBI) 150 mg tablet administered orally once daily | Drug | ATV+COBI+FTC/TDF |
| RTVAlso: Norvir®Ritonavir (RTV) 100 mg tablet administered orally once daily | Drug | ATV+RTV+FTC/TDF |
| ATVAlso: Reyataz®Atazanavir (ATV) 300 mg capsule administered orally once daily | Drug | ATV+COBI+FTC/TDF, ATV+RTV+FTC/TDF |
| FTC/TDFAlso: Truvada®Emtricitabine (FTC) 200 mg/tenofovir disoproxil fumarate (TDF) 300 mg fixed-dose combination tablet administered orally once daily | Drug | ATV+COBI+FTC/TDF, ATV+RTV+FTC/TDF |
| COBI placeboPlacebo to match COBI administered orally once daily | Drug | ATV+RTV+FTC/TDF |
| RTV placeboPlacebo to match RTV administered orally once daily | Drug | ATV+COBI+FTC/TDF |
Primary outcome
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 48
Time frame: Week 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.
7 secondary outcomes
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 96
Time frame: Week 96
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 144
Time frame: Week 144
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 192
Time frame: Week 192
Change From Baseline in CD4 Cell Count at Week 48
Time frame: Baseline to Week 48
Change From Baseline in CD4 Cell Count at Week 96
Time frame: Baseline to Week 96
Change From Baseline in CD4 Cell Count at Week 144
Time frame: Baseline to Week 144
Change From Baseline in CD4 Cell Count at Week 192
Time frame: Baseline to Week 192
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 23 May 2016.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Results publication: PubMed 23532097Gallant JE, Koenig E, Andrade-Villanueva J, Chetchotisakd P, DeJesus E, Antunes F, Arasteh K, Moyle G, Rizzardini G, Fehr J, Liu Y, Zhong L, Callebaut C, Szwarcberg J, Rhee MS, Cheng AK. Cobicistat versus ritonavir as a pharmacoenhancer of atazanavir plus emtricitabine/tenofovir disoproxil fumarate in treatment-naive HIV type 1-infected patients: week 48 results. J Infect Dis. 2013 Jul;208(1):32-9. doi: 10.1093/infdis/jit122. Epub 2013 Mar 26.
- Results publication: PubMed 26181707Gallant JE, Koenig E, Andrade-Villanueva JF, Chetchotisakd P, DeJesus E, Antunes F, Arasteh K, Rizzardini G, Fehr J, Liu HC, Abram ME, Cao H, Szwarcberg J. Brief Report: Cobicistat Compared With Ritonavir as a Pharmacoenhancer for Atazanavir in Combination With Emtricitabine/Tenofovir Disoproxil Fumarate: Week 144 Results. J Acquir Immune Defic Syndr. 2015 Jul 1;69(3):338-40. doi: 10.1097/QAI.0000000000000598.
- Derived from this study: PubMed 27774892Gallant J, Moyle G, Berenguer J, Shalit P, Cao H, Liu YP, Myers J, Rosenblatt L, Yang L, Szwarcberg J. Atazanavir Plus Cobicistat: Week 48 and Week 144 Subgroup Analyses of a Phase 3, Randomized, Double-Blind, Active-Controlled Trial. Curr HIV Res. 2017;15(3):216-224. doi: 10.2174/1570162X14666161021102728.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Huyen Cao, MD study director
Gilead Sciences
134 sites in 19 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing COBI, RTV and ATV in people with HIV and HIV Infections, run by Gilead Sciences at 134 sites in 19 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 13 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 23 May 2016. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 134 sites in United States, France, Australia, Canada, Brazil and 14 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 28 Oct 2014). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 48 (time frame: Week 48). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT01108510, which also lists 3 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 May 2016.