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Author Details
Written By
Pallavi
Reviewed By
Shital Pawar

Last updated : 25 oct 2025 | 06:18 AM (IST)

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SOFOSBUVIR, VELPATASVIR

History of Sofosbuvir, Velpatasvir

Sofosbuvir/velpatasvir (Epclusa), approved in 2016, is used to treat chronic hepatitis C in adults and children aged six and above. It shows high cure rates across all major HCV genotypes. A generic version, Sofosvel, is also available in Bangladesh. Safety in children under six is not yet established.


Approved Uses of Sofosbuvir, Velpatasvir

    Sofosbuvir + Velpatasvir is approved to treat chronic hepatitis C in adults and children aged 6 years and older. It works against all major HCV genotypes and can be used with or without cirrhosis, including with ribavirin for decompensated cirrhosis. It provides a simple, once-daily treatment option.


Mechanism of Action Sofosbuvir, Velpatasvir

    Sofosbuvir + Velpatasvir works by blocking two key viral proteins needed for hepatitis C replication. Sofosbuvir inhibits the NS5B polymerase, while Velpatasvir blocks the NS5A protein, together stopping the virus from multiplying and helping clear the infection.


Administration of Sofosbuvir, Velpatasvir

    Sofosbuvir + Velpatasvir is administered orally as a once-daily tablet, with or without food. It is typically taken for a duration of 12 weeks, depending on the patient’s HCV genotype, liver disease status (with or without cirrhosis), and treatment history. In certain cases, such as patients with decompensated cirrhosis, it may be used in combination with ribavirin.


Side Effects of Sofosbuvir, Velpatasvir

    Sofosbuvir + Velpatasvir is usually well tolerated, with common side effects like headache, fatigue, and nausea. Less common effects include insomnia and diarrhea. When combined with ribavirin, anemia and rash may occur. Rarely, serious reactions or hepatitis B reactivation can happen, so monitoring is recommended.


Contraindications and Precautions

    Sofosbuvir + Velpatasvir should not be used in patients allergic to the drug or those taking medicines like rifampin or St. John’s Wort. Caution is needed in severe kidney disease and patients should be screened for hepatitis B before treatment. If used with ribavirin, there is a risk of birth defects and anemia, so strict contraception is required.


Final word

    Sofosbuvir + Velpatasvir is a highly effective, once-daily treatment for chronic hepatitis C across all major genotypes. It works well in patients with or without cirrhosis and is approved for adults and children aged six and above. With good tolerability, few side effects, and short treatment duration, it marks an important advancement in HCV therapy.


Frequently Asked Questions (FAQs) about Sofosbuvir, Velpatasvir

Q1. Can Sofosbuvir + Velpatasvir be used in patients with decompensated cirrhosis?

Yes, it can be used in patients with decompensated cirrhosis (Child-Pugh B or C), but it is usually combined with ribavirin in these cases to enhance treatment efficacy.

Q2. Is Sofosbuvir + Velpatasvir effective against all HCV genotypes?

Yes, it is a pan-genotypic regimen, meaning it is effective against all six major HCV genotypes (1–6), making it suitable for a broad range of patients.

Q3. Can it be used in patients co-infected with HIV?

Yes, Sofosbuvir + Velpatasvir has been shown to be safe and effective in HCV/HIV co-infected patients. However, potential drug interactions with antiretroviral therapy should be carefully managed.

Q4. What is the recommended monitoring during treatment?

Routine liver function tests, viral load (HCV RNA), and screening for hepatitis B virus (HBV) reactivation are recommended. Hemoglobin levels should also be monitored if ribavirin is co-administered.

Q5. Does food affect the absorption of Sofosbuvir + Velpatasvir?

No, the combination can be taken with or without food, as food does not significantly affect its absorption.

Q6. What are the implications for patients with renal impairment?

Caution is advised in patients with severe renal impairment or those on dialysis, as there is limited data on safety and efficacy in this population. Alternative regimens may be considered.

Q7. Can treatment be repeated if virologic failure occurs?

In case of treatment failure, retreatment strategies often include a combination of sofosbuvir, velpatasvir, and voxilaprevir or other alternative regimens based on resistance profiles.


Medical Advisory

    Information provided is for educational purposes only and should not replace professional medical advice. Always consult your doctor before use.

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