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Direct-acting antiviral (NS5B inhibitor)

Sofosbuvir

Brand names: Sovaldi

Adult dose

Dose: 400mg PO OD as part of combination regimen
Route: PO
Frequency: OD

Dose adjustments

Renal

Avoid if eGFR <30 (older guidance); newer evidence supports use

Clinical pearls

  • Hepatitis C — combine with daclatasvir/ledipasvir/velpatasvir per genotype
  • Screen for HBV before (reactivation risk)

Contraindications

  • Concurrent amiodarone (severe bradycardia)
  • Hypersensitivity
  • Severe renal impairment

Side effects

  • Fatigue
  • Headache
  • Nausea
  • Bradycardia (with amiodarone)
  • HBV reactivation

Interactions

  • Amiodarone (avoid)
  • Strong P-gp/CYP3A4 inducers (rifampicin, St John's wort)

Monitoring

  • LFTs
  • HCV RNA
  • HBV DNA

Reference: BNF; NICE TA330; BHIVA/EASL; https://bnf.nice.org.uk/drugs/sofosbuvir/. Verify against your local formulary and the latest BNF before prescribing.

Related

Curated clinical cross-links plus same-class fallbacks.