Suvarna Garge (Editor)

Tenofovir alafenamide

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Routes ofadministration
  
Oral (tablets)

Biological half-life
  
0.51 hours

ChemSpider ID
  
7849225

Protein binding
  
~80%

Molar mass
  
476.466 g/mol

Tenofovir alafenamide wwwnataporg2012images0913120913124IAAC2gif

Trade names
  
VemlidyGenvoya (with elvitegravir, cobicistat and emtricitabine)Odefsey (with emtricitabine and rilpivirine)Descovy (with emtricitabine)

ATC code
  
J05AF13 (WHO) Combination codes: J05AR17 (WHO) J05AR18 (WHO) J05AR19 (WHO)

Legal status
  
In general: ℞ (Prescription only)

Tenofovir alafenamide kidney toxicity profile


Tenofovir alafenamide (INN/USAN; trade name Vemlidy) is a nucleotide reverse transcriptase inhibitor and a prodrug of tenofovir. It was developed by Gilead Sciences for use in the treatment of HIV infection and chronic hepatitis B, and is applied in the form of tenofovir alafenamide fumarate (TAF). Closely related to the commonly used reverse-transcriptase inhibitor tenofovir disoproxil fumarate (TDF), TAF has greater antiviral activity and better distribution into lymphoid tissues than that agent. Gilead was awarded FDA approval in November 2016 for the drug Vemlidy.

Contents

Gilead announced a phase 3 clinical trial evaluating a single-tablet regimen combining tenofovir alafenamide with cobicistat, emtricitabine and elvitegravir and developed a coformulation of the drug with cobicistat, emtricitabine and the protease inhibitor darunavir. In a 48-week study comparing elvitegravir/cobicistat/emtricitabine/tenofovir disoproxil (trade name Stribild) to elvitegravir/cobicistat/emtricitabine/tenofovir alafenamide (trade name Genvoya), the results showed the newer drug to be noninferior to the established agent, but at much lower dosages and with lower incidence of adverse side effects such as impaired kidney function. The FDA approved the TAF-based treatment regimen for treatment of HIV-1 in November 2015. Genvoya is the first TAF-based regimen to receive approval.

Tenofovir alafenamide taf


Fixed-dose combinations containing tenofovir alafenamide

  • Elvitegravir/cobicistat/emtricitabine/tenofovir alafenamide (trade name Genvoya) — approved November 5, 2015 (compare Elvitegravir/cobicistat/emtricitabine/tenofovir; trade name Stribild)
  • Emtricitabine/rilpivirine/tenofovir alafenamide (trade name Odefsey) — approved March 1, 2016 (compare Emtricitabine/rilpivirine/tenofovir; trade name Complera)
  • Emtricitabine/tenofovir alafenamide (trade name Descovy) — approved April 4, 2016 (compare Emtricitabine/tenofovir; trade name Truvada)
  • References

    Tenofovir alafenamide Wikipedia