EMA Validates Gileads Marketing Application for Fixed-Dose Combination of Emtricitabine and Tenofovir Alafenamide for HIV Treatment
Gilead Sciences has announced that the company’s Marketing Authorization Application (MAA) for two doses of an investigational fixed-dose combination of emtricitabine and tenofovir alafenamide (200/10 mg and 200/25 mg) (F/TAF) has been fully validated and is now under evaluation by the European Medicines Agency (EMA). The data included in the application support the use of F/TAF for the treatment of HIV-1 infection in adults in combination with other HIV antiretroviral agents.
TAF is a novel investigational nucleotide reverse transcriptase inhibitor (NRTI) that has demonstrated high antiviral efficacy at a dose less than one-tenth that of Gilead’s Viread® (tenofovir disoproxil fumarate, TDF), as well as improved renal and bone laboratory parameters as compared to TDF in clinical trials.
“Therapy innovations have transformed HIV into a chronic condition and people with HIV are living longer, necessitating new treatment options that deliver on both high efficacy and long-term safety,” said Norbert Bischofberger, PhD, Executive Vice President, Research and Development and Chief Scientific Officer, Gilead Sciences. “F/TAF is the latest advance in Gilead’s long history of innovating in HIV therapy and has the potential to become the backbone for the next generation of HIV regimens.”
F/TAF is Gilead’s second F/TAF-based regimen to be validated by the EMA. An MAA for an investigational once-daily single tablet regimen containing elvitegravir 150 mg, cobicistat 150 mg, emtricitabine 200 mg and tenofovir alafenamide 10 mg (E/C/F/TAF) was fully validated on 23 December 2014. In addition, Gilead filed New Drug Applications to the FDA for E/C/F/TAF and F/TAF on 5 November 2014, and 7 April 2015, respectively.
The MAA for F/TAF is supported by data from Phase III clinical studies evaluating the safety and efficacy of E/C/F/TAF for the treatment of HIV-1 infection among treatment-naïve adults, in which the F/TAF-based regimen (administered as E/C/F/TAF) resulted in non-inferior efficacy and improved renal and bone laboratory parameters as compared to F/TDF-based therapy (administered as E/C/F/TDF or Stribild). The MAA is also supported by data from additional Phase III studies evaluating the F/TAF-based regimen (administered as E/C/F/TAF) among virologically suppressed adults who switched regimens and adults with mild-to-moderate renal impairment. Lastly, bioequivalence studies demonstrated that the formulation of the fixed-dose combinations of F/TAF achieved the same drug levels in the blood as in E/C/F/TAF.
Review of the MAA will be conducted by the EMA under the centralized procedure, which, when finalized, may lead to the grant of marketing authorization by the European Commission, which is valid in all 28 member states of the European Union.
F/TAF and TAF are investigational products and have not been determined to be safe or efficacious.
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