Pharm

Tenofovir

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Tenofovir, Tenofovir Disoproxil, TDF, Tenofovir Alafenamide, TAF, Viread

  • Preparations
  1. Tenofovir Disoproxil Fumarate (TDF)
    1. Original Tenofovir formulation and used in Stribild, Truvada and Complera
  2. Tenofovir Alafenamide Fumarate (TAF)
    1. Tenofovir formulation released in 2016 and used in Genvoya, Descovy, Odefsey
    2. TAF appears to have less adverse Renal Function and Bone Mineral Density effects than the original TDF
  • Adverse Effects
  1. See nRTI for adverse effects attributed to the class
  2. Renal dysfunction
    1. Increased Serum Creatinine
    2. Proteinuria
    3. Electrolyte abnormalities
      1. Glycosuria
      2. Hypophosphatemia
    4. Acute Renal Failure (1% risk)
      1. Associated with longer duration of therapy, advanced HIV or pre-existing renal disease
  3. Gastrointestinal
    1. Diarrhea
    2. Nausea or Vomiting
    3. Flatulence
  4. Miscellaneous
    1. Headache
    2. Hepatitis B flares on withdrawal of medication
  • Dosing
  1. Dose: 300 mg orally daily