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Study to Evaluate the Safety and Efficacy of Stribild Versus Atripla in Human Immunodeficiency Virus, Type 1 (HIV-1) Infected, Antiretroviral Treatment-Naive Adults

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Gilead Sciences
ClinicalTrials.gov Identifier:
NCT01095796
First received: March 17, 2010
Last updated: October 15, 2015
Last verified: October 2015
Results First Received: September 20, 2012  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Safety/Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor);   Primary Purpose: Treatment
Conditions: HIV
HIV Infections
Interventions: Drug: Stribild
Drug: Atripla
Drug: Stribild Placebo
Drug: Atripla Placebo

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
Participants were enrolled at sites in the United States and Puerto Rico. The first participant was screened on 16 March 2010. The last study visit occurred on 02 September 2014.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
917 participants were screened.

Reporting Groups
  Description
Stribild Stribild® (elvitegravir (EVG) 150 mg/cobicistat (COBI) 150 mg/emtricitabine (FTC) 200 mg/tenofovir disoproxil fumarate (TDF) 300 mg) single-tablet regimen (STR) once daily plus placebo to match Atripla once daily prior to bedtime
Atripla Atripla® (efavirenz (EFV) 600 mg/FTC 200 mg/TDF 300 mg) tablet once daily prior to bedtime plus placebo to match Stribild once daily

Participant Flow:   Overall Study
    Stribild   Atripla
STARTED   353   354 
COMPLETED   58   65 
NOT COMPLETED   295   289 
Randomized but Not Treated                5                2 
Adverse Event                9                19 
Death                3                2 
Pregnancy                2                0 
Lack of Efficacy                5                3 
Investigator's Discretion                7                2 
Withdrew Consent                16                22 
Lost to Follow-up                27                29 
Participant Noncompliance                5                10 
Protocol Violation                1                0 
Participant Transferred to Another Study                215                200 



  Baseline Characteristics


  Outcome Measures
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1.  Primary:   The Percentage of Participants With Virologic Success Using the Food and Drug Administration (FDA)-Defined Snapshot Analysis as Determined by the Achievement of HIV-1 Ribonucleic Acid (RNA) < 50 Copies/mL at Week 48   [ Time Frame: Week 48 ]

2.  Secondary:   The Percentage of Participants With Virologic Success Using the FDA-Defined Snapshot Analysis as Determined by the Achievement of HIV-1 RNA < 50 Copies/mL at Week 96   [ Time Frame: Week 96 ]

3.  Secondary:   The Percentage of Participants With Virologic Success Using the FDA-Defined Snapshot Analysis as Determined by the Achievement of HIV-1 RNA < 50 Copies/mL at Week 144   [ Time Frame: Week 144 ]

4.  Secondary:   The Percentage of Participants With Virologic Success Using the FDA-Defined Snapshot Analysis as Determined by the Achievement of HIV-1 RNA < 50 Copies/mL at Week 192   [ Time Frame: Week 192 ]

5.  Secondary:   The Percentage of Participants Achieving and Maintaining Confirmed HIV-1 RNA < 50 Copies/mL at Week 48 Using the FDA-defined Time to Loss of Virologic Response (TLOVR) Algorithm   [ Time Frame: Week 48 ]

6.  Secondary:   The Change From Baseline in Cluster Determinant 4 (CD4) Cell Count at Weeks 48, 96, 144, and 192   [ Time Frame: Baseline; Weeks 48, 96, 144, and 192 ]

7.  Secondary:   The Percentage of Participants With HIV-1 RNA < 50 Copies/mL at Week 48   [ Time Frame: Week 48 ]


  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats
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Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
There were no limitations affecting the analysis or results.


  More Information