Description

Drugs may decrease the concentrations of sofosbuvir and/or velpatasvir: Antacids, H2-receptor antagonists, Proton-pump inhibitors etc. Coadministration is not recommended with: topotecan, Carbamazepine, Phenytoin, Phenobarbital, Oxcarbazepine, Rifabutin, Rifampin, Rifapentine, efavirenz, Tipranavir, Ritonavir, Hypericum perforatum. Coadministration of Sofosbuvir and Velpatasvir combination, with Rosuvastatin, Atorvastatin may significantly increase the concentration of Rosuvastatin, Atorvastatin.

The most common side effects of Sofosbuvir and Velpatasvir combination include headache and tiredness. Treatment may result in slowing of the heart rate along with other symptoms when taken with amiodarone (a medicine used to treat certain heart problems).

No adequate human data are available to establish whether or not Sofosbuvir and Velpatasvir combination poses a risk to pregnancy outcomes. If Sofosbuvir and Velpatasvir combination administered with Ribavirin, the combination regimen is contraindicated in pregnant women and in men whose female partner is pregnant or going to be pregnant in next six months.

Serious symptomatic bradycardia may occur in patients taking amiodarone, particularly in patients also receiving beta blockers, or those with underlying cardiac comorbidities and/or advanced liver disease. Coadministration of amiodarone with Sofosbuvir and Velpatasvir combination is not recommended. In patients without alternative viable treatment options, cardiac monitoring is recommended.

Renal impairment patient: No dosage recommendation can be given for patients with severe renal impairment (eGFR ≤30 mL/min/1.73 m2) or with ESRD, due to higher exposures of the predominant sofosbuvir metabolite.

If overdose occurs the patient must be monitored for evidence of toxicity. Treatment of overdose includes monitoring of vital signs as well as observation of the clinical status of the patient.

Hepatic viral infections (Hepatitis C)