Tenofovir diphosphate is a weak inhibitor of mammalian DNA polymerases that include mitochondrial DNA polymerase γ and there is no evidence of toxicity to mitochondria in cell culture.
Dosage & Administration
It is recommended that serum creatinine, serum phosphorous, estimated creatinine clearance, urine glucose, and urine protein be assessed before initiating Tenofovir Alafenamide and during therapy in all patients as clinically appropriate
Recommended Dosage In Adults: The recommended dosage of Tenofovir Alafenamide is 25 mg (one tablet) taken orally once daily with food
- Lactic Acidosis/Severe Hepatomegaly with Steatosis
- Severe Acute Exacerbation of Hepatitis B
- New Onset or Worsening of Renal Impairment
The most common side effects are headache, stomach pain, tiredness, cough, nausea, back pain
Pregnancy & Lactation
Pregnancy Registry: There is a pregnancy registry for women who take antiviral medicines during pregnancy. The purpose of this registry is to collect information about the health of you and your baby. Talk with your healthcare provider about how you can take part in this registry.
Use in Special Populations
Geriatric Use: Clinical trials of Tenofovir Alafenamide did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects.
Renal Impairment: No dosage adjustment of Tenofovir Alafenamide is required in patients with mild, moderate, or severe renal impairment. Tenofovir Alafenamide is not recommended in patients with end stage renal disease (estimated creatinine clearance below 15 mL per minute)
Hepatic Impairment: No dosage adjustment of Tenofovir Alafenamide is required in patients with mild hepatic impairment (Child-Pugh A). The safety and efficacy of Tenofovir Alafenamide in patients with decompensated cirrhosis (Child-Pugh B or C) have not been established; therefore Tenofovir Alafenamide is not recommended in patients with decompensated (Child-Pugh B or C) hepatic impairment
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