- What is sofosbuvir and velpatasvir? What is sofosbuvir and velpatasvir used for?
- What are the uses for sofosbuvir and velpatasvir?
- What are the side effects of sofosbuvir and velpatasvir?
- What is the dosage for Epclusa sofosbuvir and velpatasvir?
- Which drugs or supplements interact with sofosbuvir and velpatasvir?
- Is Epclusa sofosbuvir and velpatasvir safe to take if I'm pregnant or breastfeeding?
- What else should I know about Epclusa sofosbuvir and velpatasvir?
What is sofosbuvir and velpatasvir? What is sofosbuvir and velpatasvir used for?
- Epclusa is an oral tablet containing two drugs used for the treatment of chronic infection with the hepatitis C virus (HCV), genotype 1,2,3,4, 5, or 6 in adults. The components belong to a class of drugs called direct-acting antiviral agents. Similar drugs include
- Epclusa contains velpatasvir and sofosbuvir. Sofosbuvir is converted to an active form in the body before it is effective. The active form of sofosbuvir directly blocks replication of the HVC by interfering with a hepatitis C virus enzyme called NS5B. Velpatasvir is an inhibitor of another hepatitis C virus enzyme called NS5A, which also is needed for viral replication. Both drugs in Epclusa interfere with enzymes needed by hepatitis C virus to multiply and make new viruses, thus reducing the overall viral load.
- Epclusa does not require administration with interferons or ribavirin (Rebetol) except when used to treat patients with decompensated cirrhosis. In some clinical studies, 98%-100% of patients were cured after 12 weeks of Epclusa treatment. Cure was defined as undetectable levels of hepatitis C virus in the blood when measured three months after the completion of treatment.
- Epclusa was approved by the FDA in June, 2016.
What brand names are available for sofosbuvir and velpatasvir?
Is sofosbuvir and velpatasvir available as a generic drug?
Do I need a prescription for sofosbuvir and velpatasvir?
What are the side effects of sofosbuvir and velpatasvir?
Common side effects of Epclusa include:
Other side effects of Epclusa include:
Other less common side effects of Epclusa include:
- Increased blood levels of lipase
- Increased blood levels of creatinine kinase
- Increased blood levels of indirect bilirubin
Possible serious side effects include:
- There is an increased risk of low heart rate (bradycardia) when Epclusa is combined with amiodarone (Cordarone).
What is the dosage for Epclusa sofosbuvir and velpatasvir?
- The recommended dose of Epclusa is one tablet taken once daily with or without food.
- Patients without cirrhosis and patients with compensated cirrhosis are treated with Epclusa alone for 12 weeks.
- Patients with decompensated cirrhosis are treated with Epclusa plus ribavirin for 12 weeks.
Which drugs or supplements interact with sofosbuvir and velpatasvir?
- Acid reducing agents that are commonly used to treat heartburn, indigestion, and GERD may decrease the effectiveness of Epclusa treatment by decreasing blood levels of velpatasvir. Examples of acid reducing agents include antacids, histamine 2 receptor antagonists, for example, famotidine (Pepcid), and proton pump inhibitors (PPIs), for example, omeprazole (Prilosec).
- Antacid and Epclusa administration should be separated by 4 hours. Doses of histamine 2 receptor antagonists equivalent to famotidine 40 mg twice daily or less and doses of proton pump inhibitors equivalent to 20 mg of omeprazole or lower may be given at the same time as Epclusa.
- Co-administration of Epclusa and amiodarone is not recommended because the combination may cause serious heart-related side effects including symptomatic bradycardia (slow heart rate).
- Anti-seizure medications including carbamazepine (Tegretol), phenytoin (Dilantin), phenobarbital (Luminal), and oxcarbazepine (Trileptal) may increase the breakdown of Epclusa, leading to reduced therapeutic effectiveness.
- Taking St. John's Wort or rifampin with Epclusa may also reduce the effectiveness of treatment and is not recommended.
- Certain medication used to treat tuberculosis (TB) infection may decrease the effectiveness of Epclusa treatment. Patients taking rifampin, rifabutin, or rifapentine should consult with their doctor or pharmacist before starting Epclusa.
- Co-administration of Epclusa with rosuvastatin (Crestor) or atorvastatin (Lipitor) cholesterol lowering medications may significantly increase the blood concentration of rosuvastatin or atorvastatin and increase the risk of side effects such as serious muscle injury.
- Drug interactions between Epclusa and certain HIV antiretroviral therapies such as efavirenz (Sustiva), tenofovir (Viread), tipranavir (Aptivus), and ritonavir (Norvir) have also been reported. Patients receiving HIV treatment are advised to consult with their doctor or pharmacist before starting Epclusa.
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Is Epclusa sofosbuvir and velpatasvir safe to take if I'm pregnant or breastfeeding?
- Although no fetal adverse events were reported in animal studies, adequate studies of Epclusa treatment in pregnant women are lacking. Therefore, Epclusa should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. However, ribavirin which may be combined with Epclusa should not be used by pregnant women or their male partners.
- It is not known whether Epclusa is excreted into human milk. Due to the lack of conclusive safety data, Epclusa should be used cautiously while breastfeeding.
What else should I know about Epclusa sofosbuvir and velpatasvir?
What preparations of Epclusa sofosbuvir and velpatasvir are available?
Fixed dose oral tablets containing 400 mg sofosbuvir and 100 mg velpatasvir.
How should I keep Epclusa sofosbuvir and velpatasvir stored?
Epclusa should be stored below 30 C (86 F) and in its original container.
Epclusa (sofosbuvir and velpatasvir) is a prescription drug used to treat chronic hepatitis C gentotype 1, 2, 3, 4, 5, or 6 infection in adults. Epclusa is not prescribed for treatment in patients with cirrhosis or compensated cirrhosis.
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Related Disease Conditions
Cirrhosis of the liver refers to a disease in which normal liver cells are replaced by scar tissue caused by alcohol and viral hepatitis B and C. This disease leads to abnormalities in the liver's ability to handle toxins and blood flow, causing internal bleeding, kidney failure, mental confusion, coma, body fluid accumulation, and frequent infections. Symptoms include yellowing of the skin (jaundice), itching, and fatigue. The prognosis is good for some people with cirrhosis of the liver, and the survival can be up to 12 years; however the life expectancy is about 6 months to 2 years for people with severe cirrhosis with major complications.
Hepatitis (Viral Hepatitis A, B, C, D, E, G)
Hepatitis is most often viral, due to infection with one of the hepatitis viruses (A, B, C, D, E, F (not confirmed), and G) or another virus (such as those that cause infectious mononucleosis, cytomegalovirus disease). The main nonviral causes of hepatitis are alcohol and drugs. Many patients infected with hepatitis A, B, and C have few or no symptoms of illness. For those who do develop symptoms of viral hepatitis, the most common are flu-like symptoms including: loss of appetite, nausea, vomiting, fever, weakness, tiredness, and aching in the abdomen. Treatment of viral hepatitis is dependent on the type of hepatitis.
Hepatitis C (HCV, Hep C)
Hepatitis C is an inflammation of the liver due to the hepatitis C virus (HCV), which is usually spread by blood transfusion, hemodialysis, and needle sticks, especially with intravenous drug abuse. Symptoms of chronic hepatitis include fatigue, fever, muscle aches, loss of appetite, and fever. Chronic hepatitis C may be cured in most individuals with drugs that target specific genomes of hepatitis C.
Is Hepatitis C Contagious?
Hepatitis C or hep C causes acute and chronic liver disease. Hep C is a form of liver disease with symptoms like fatigue, jaundice, nausea and vomiting, anorexia, and abdominal discomfort. Hepatitis C is a contagious viral infection caused by persons sharing drug needles, surgical instruments that have not been properly sanitized, and organ transplantation.
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