Sofovir 400mg (Sofosbuvir )
Description of Sofovir 400mg (Sofosbuvir 400mg)
Sofovir 400mg (Sofosbuvir 400mg) contains an anti viral agent known as Sofosbuvir The anti-viral agents is most probably used for treating chronic hepatitis C viral infection caused by genotypes I, II, III or IV. Sofovir 400mg (Sofosbuvir 400mg) fixed dose combination structural protein inhibitors like NS5B.
Medical use /Indication of Sofovir 400mg (Sofosbuvir 400mg)
Sofovir 400mg (Sofosbuvir 400mg) is used for the treatment of chronic hepatitis C viral infection associated with genotype I II, III or IV In decompensated cirrhosis, Sofovir 400mg (Sofosbuvir 400mg) tablets are combined with ribavirin Sofovir 400mg (Sofosbuvir 400mg) is majorly indicated for hepatitis C viral infection therapy by combining with other anti-viral medicines. Sofovir 400mg (Sofosbuvir 400mg) mainly prescribed for adolescent patients, and for pediatric patients with age of 12 years or weighing at least 35kg in genotype II or III induced hepatitis C infection.
Mechanism of Action Sofovir 400mg (Sofosbuvir 400mg)
Sofovir 400mg (Sofosbuvir 400mg) is used for the treatment of chronic hepatitis C viral infection associated with genotype I II, III or IV In decompensated cirrhosis, Sofovir 400mg (Sofosbuvir 400mg) tablets are combined with ribavirin Sofovir 400mg (Sofosbuvir 400mg) is majorly indicated for hepatitis C viral infection therapy by combining with other anti-viral medicines. Sofovir 400mg (Sofosbuvir 400mg) mainly prescribed for adolescent patients, and for pediatric patients with age of 12 years or weighing at least 35kg in genotype II or III induced hepatitis C infection.
Absorption of Sofovir 400mg (Sofosbuvir 400mg)
Sofovir 400mg (Sofosbuvir 400mg) having absoption like the peak plasma concentration time of Sofosbuvir is 0.5 to 1 hour
Distribution of Sofovir 400mg (Sofosbuvir 400mg)
Sofovir 400mg (Sofosbuvir 400mg) plasma protein binding capacity 61 to 65%
Metabolism of Sofovir 400mg (Sofosbuvir 400mg)
The metabolism of both Sofovir 400mg (Sofosbuvir 400mg) is occurs hepatically Sofosbuvir: cathepsin A, carboxyl esterase 1 or HINT1
Elimination of Sofovir 400mg (Sofosbuvir 400mg)
Half life of Sofosbuvir is 0.4 hour & GS-331007: 27 hours Sofosbuvir: 80% through urine, 14% through feces.
Side effects of Sofovir 400mg (Sofosbuvir 400mg)
Symptomatic bradycardia while combining with amiodarone, Headache, Fatigue, Nausea, Diarrhea, Insomnia, Dizziness, Influenza like syndrome, Rash, Pyrexia, Neutropenia, Myalgia, Irritability, Severe depression, Pancytopenia ..
Drug interaction of Sofovir 400mg (Sofosbuvir 400mg)
Sofovir 400mg (Sofosbuvir 400mg) interactionwith P-gp or BCRP substrates causes increased risk of adverse effects related to these substrates. Sofovir 400mg (Sofosbuvir 400mg) with protease inhibitors or NNRTI causes decreased effect of concentration of Daclatasvir. Sofovir 400mg (Sofosbuvir 400mg) with amiodarone causes severe bradycardia. Interaction of Sofovir 400mg (Sofosbuvir 400mg) with lipid lowering medicines causes increased concentration of these medicines. Sofovir 400mg (Sofosbuvir 400mg) interaction with anti-convulsants or anti-mycobacterials causes decreased concentration of sofosbuvir. Sofovir 400mg (Sofosbuvir 400mg) interaction with st Johns wort causes decreased concentration of sofosbuvir & lead to loss of activity.
Precaution of Sofovir 400mg (Sofosbuvir 400mg)
Risk of HBV reactivation :
This fatal case is occurs in the patient who is receiving anti-HCV therapy. Prevent the problem by measuring HBsAg & anti-HBc levels of patients before starting the treatment. Hepatic function test should be monitored frequently and maintain the hepatic enzymes. Initiate the HBV infection management for the patients.
Loss of virological response :
Due to advancement of resistance of Daclatasvir it should be combined with other abnti-viarl agents like sofosbuvir for better activity.
Bradycardia :
Avoid concurrent use of Sofovir 400mg (Sofosbuvir 400mg) with amiodarone Monitor the ECG Provide alternative medication for reducing the cardiac issues Counsel the patients before initiate the therapy about the risk associated with these combination.
Risk related to ribavirin :
Ribavirin is contraindicated to pregnancy because it causes fetal harm even to death.
Combination of P-gp inducers :
The combination of Sofovir 400mg (Sofosbuvir 400mg) with P-gp inducers causes loss of activity by decreasing the sofosbuvir concentration.
Over dosage of Sofovir 400mg (Sofosbuvir 400mg)
No specific antidote is required for over dosage of Sofovir 400mg (Sofosbuvir 400mg). In case of over dosage, patient should be provided with general supportive management. Manifestation due to over dosage condition should be monitored. Over dosage should be treated by undergoing hemodialysis. Sofovir 400mg (Sofosbuvir 400mg)dose should be eliminated by range of 18% over period of 4 hours of dialysis. The circulating metabolite of Sofovir 400mg (Sofosbuvir 400mg)should be expelled by separation co efficient of 53%. Daclatasvir is difficult to remove because it is widely bounds to human plasma protein.
Contraindication of Sofovir 400mg (Sofosbuvir 400mg)
Pregnancy while combined with ribavirin. Combination of Sofovir 400mg (Sofosbuvir 400mg) with P-gp inducers is contraindicated. Hypersensitivity reactions are produced while patients are contraindicated to ingredients of Sofovir 400mg (Sofosbuvir 400mg)tablets.
Pregnancy of Sofovir 400mg (Sofosbuvir 400mg)
- Sofovir 400mg (Sofosbuvir 400mg) pregnancy category;
- Sofovir 400mg (Sofosbuvir 400mg) pregnancy category; Sofosbuvir: B Ribavirin: X
- The combination of Sofovir 400mg (Sofosbuvir 400mg) with ribavirin should not be suggested in pregnancy condition.
Lactation of Sofovir 400mg (Sofosbuvir 400mg)
While taking Sofovir 400mg (Sofosbuvir 400mg), Breast feeding should not be recommended.
Pediatric of Sofovir 400mg (Sofosbuvir 400mg)
The recommended dosage of Sofovir 400mg (Sofosbuvir 400mg)in pediatric patients involved as; <12 years or <35kg: the safety and efficacy of the Sofovir 400mg (Sofosbuvir 400mg)tablets has not been established ≥12 years or ≥35kg: 400mg of Sofovir 400mg (Sofosbuvir 400mg)tablet should be administered with weight based ribavirin The dosage of ribavirin in weight based manner; 35 to 47 kg: 15mg/kg/day 47 to 49 kg: 600mg/day 50 to 65 kg: 800mg/day 66 to 80 kg: 1000mg/day >80kg: 1200mg/day
Dosage of Sofovir 400mg (Sofosbuvir 400mg)
Sofovir 400mg (Sofosbuvir 400mg) is used in hepatitis infection Hepatitis C viral infection :
Genotype I or IV :
400mg of Sofovir 400mg (Sofosbuvir 400mg) tablet should be taken as a single dose with combination of ribavirin and peg interferon alfa
Genotype II :
One tablet of Sofovir 400mg (Sofosbuvir 400mg) should be administered as a single dose by concomitant with ribavirin
Genotype III :
Sofovir 400mg (Sofosbuvir 400mg)tablet 400mg combined with ribavirin should be administered as a single dose Sofovir 400mg (Sofosbuvir 400mg) tablet should be taken with or without food Sofovir 400mg (Sofosbuvir 400mg) is a single dose therapy While combining Sofovir 400mg (Sofosbuvir 400mg)with ribavirin must be administered with food; not in empty stomach
The dosage of ribavirin should be based on patients’ weight :
<75kg: 500mg should be administered as twice daily with food ≥75kg: 600mg should be taken as twice daily with food Sofovir 400mg (Sofosbuvir 400mg) with ribavirin used in genotype I, II, III or IV The dosage of peg interferon alfa :
Peginterferon alfa 2a: 180mcg SC weekly Peginterferon alfa 2b: 1.5mcg/kg/week SC; should not exceed as 150mcg/week
Storage of Sofovir 400mg (Sofosbuvir 400mg)
Sofovir 400mg (Sofosbuvir 400mg) tablets container should be stored at room temperature at below 30℃(86 ℉) Sofovir 400mg (Sofosbuvir 400mg)container should be keep away from moisture, heat and light
Missed dose of Sofovir 400mg (Sofosbuvir 400mg)
If you miss a dose of Sofovir 400mg (Sofosbuvir 400mg) Tablet, must be consult with medical practitioner & follow the dose. Prevent the missed dose by following the regular dosing schedule. Avoid self medication. Do not double the dose.
No reviews found