৳ 1/unit
Pack: ৳ 1
৳ 1/unit
Pack: ৳ 1
At a glance
Sofosbuvir is an HCV NS5B polymerase inhibitor used in combination with other antiviral agents for the treatment of chronic hepatitis C infection. It works by inhibiting viral replication.
Indications
- Chronic hepatitis C (HCV) infection (genotypes 1, 2, 3, 4)
Pharmacology
Sofosbuvir is a nucleotide prodrug that is converted intracellularly to the active metabolite GS-461203. This active metabolite binds to the GDD active site of HCV NS5B RNA-dependent RNA polymerase, terminates viral RNA chain elongation, and prevents HCV replication.
Dosage
Adult Dose (Oral):
- 400 mg tablet once daily (with or without food)
- Genotype 1 or 4: Sofosbuvir + Peginterferon alfa + Ribavirin (12 weeks)
- Genotype 2: Sofosbuvir + Ribavirin (12 weeks)
- Genotype 3: Sofosbuvir + Ribavirin (24 weeks)
- Hepatocellular carcinoma (awaiting liver transplant): Up to 48 weeks
Side effects
Common Side Effects (≥20%):
- Fatigue
- Headache
- Nausea
- Insomnia
- Anemia
- Pruritus, asthenia, rash
- Decreased appetite, chills, pyrexia
- Diarrhea, neutropenia, myalgia
Use in pregnancy
Use in Pregnancy: Generally safe; animal studies show low or no adverse effects; limited human data; combination with ribavirin is contraindicated; consult your doctor.
Pregnancy Category: B — always consult a doctor before taking during pregnancy.
Precautions & warnings
- No dose recommendation for severe renal impairment or ESRD
- Serious bradycardia with amiodarone co-administration (caution)
- Caution in pregnancy and lactation (contraindicated with ribavirin combination)
Overdose effects
Highest dose: 1200 mg single dose; no specific antidote; monitor vital signs and provide supportive care.
Storage conditions
Store in a cool and dry place, protected from light; keep out of reach of children.