GS 0121 Open label cobicistat regimen in HIV

  • Research type

    Research Study

  • Full title

    A Phase 3b Randomized, Open-Label Study to Evaluate Switching from Regimens Consisting of a Non-nucleoside Reverse Transcriptase Inhibitor (NNRTI) plus Emtricitabine (FTC) and Tenofovir DF (TDF) to the Elvitegravir/Cobicistat/ Emtricitabine/Tenofovir Disoproxil Fumarate Single-Tablet Regimen (EVG/COBI/FTC/TDF) in Virologically-Suppressed, HIV-1 Infected Patients

  • IRAS ID

    94388

  • Contact name

    Martin Fisher

  • Sponsor organisation

    Gilead Sciences Inc

  • Eudract number

    2011-004963-56

  • Clinicaltrials.gov Identifier

    103,093, IND number

  • Duration of Study in the UK

    2 years, 0 months, 0 days

  • Research summary

    This is a phase 3b randomised, open-label study funded by Gilead Sciences. The research study is being conducted to investigate the safety and efficacy of switching from an antiretroviral (ARV) regimen consisting of a Non-nucleoside Reverse Transcriptase Inhibitor (NNRTI)plus FTC/TDF to the elvitegravir/cobicistat/emtricitabine/tenofovir df single tablet regimen (EVG/COBI/FTC/TDF) in virogically-suppressed HIV-1 infected patients.

    Approximately 420 patients worldwide who are currently receiving an ARV regimen consisting of an NNRTI plus FTC/TDF, have undetectable plasma HIV-1 RNA levels, and have a documented historical genotypic sensitivity to FTC and TDF will be recruited in this study. Approximately 30 participants will be recruited in the UK. The duration of participation could be up to 2 years.

    Participants will be randomised 2;1 to receive one of the following two study treatments:
    Study Treatment Arm 1: 280 participants will switch to EVG/COBI/FTC/TDF for 48 weeks. If after 48 weeks EVG/COBI/FTC/TDF is not yet commercially available in the UK, participants will have the option to enter an extension phase of the trial and will continue to receive EVG/COBI/FTC/TDF for a further 48 weeks (or until EVG/COBI/FTC/TDF is commercially available in the UK or until Gilead stops development of the drug.
    Study Treatment Arm 2: 140 participants will remain on their current ARV regimen consisting of an NNRTI plus FTC/TDF for 48 weeks. If after 48 weeks EVG/COBI/FTC/TDF STR is not yet commercially available in the UK, participants will have the option to enter an extension phase of the trial to switch to EVG/COBI/FTC/TDF for 48 weeks (or until EVG/COBI/FTC/TDF is commercially available in the UK or until Gilead stops development of the drug).

    This study requires up to 16 clinic visits (including the extension phase) and involves procedures including vital signs, physical exams, laboratory tests and participant questionnaires.

  • REC name

    South Central - Hampshire A Research Ethics Committee

  • REC reference

    11/SC/0524

  • Date of REC Opinion

    25 Jan 2012

  • REC opinion

    Further Information Favourable Opinion