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Drug Interactions between pravastatin and sofosbuvir / velpatasvir / voxilaprevir

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Major

pravastatin voxilaprevir

Applies to: pravastatin and sofosbuvir / velpatasvir / voxilaprevir

ADJUST DOSE: Coadministration with sofosbuvir/velpatasvir/voxilaprevir may significantly increase the plasma concentrations of pravastatin. The proposed mechanism is inhibition of organic anion transporting polypeptide (OATP) 1B1-mediated hepatic uptake of pravastatin by velpatasvir and voxilaprevir. When a single 40 mg dose of pravastatin was administered with sofosbuvir/velpatasvir/voxilaprevir 400 mg/100 mg/100 mg plus voxilaprevir 100 mg once daily to 19 healthy study subjects, mean pravastatin peak plasma concentration (Cmax) and systemic exposure (AUC) increased by approximately 1.9- and 2.2-fold, respectively. High levels of HMG-CoA reductase inhibitory activity in plasma may be associated with an increased risk of musculoskeletal toxicity. Myopathy manifested as muscle pain and/or weakness associated with grossly elevated creatine kinase exceeding ten times the upper limit of normal has been reported occasionally. Rhabdomyolysis has also occurred rarely, which may be accompanied by acute renal failure secondary to myoglobinuria and may result in death.

MANAGEMENT: The dosage of pravastatin should be limited to 40 mg when coadministered with sofosbuvir/velpatasvir/voxilaprevir.

References (1)
  1. (2017) "Product Information. Vosevi (sofosbuvir/velpatasvir/voxilaprevir)." Gilead Sciences
Moderate

velpatasvir voxilaprevir

Applies to: sofosbuvir / velpatasvir / voxilaprevir and sofosbuvir / velpatasvir / voxilaprevir

MONITOR: Coadministration with inhibitors of organic anion transporting polypeptides (OATP) 1B1 and/or 1B3 may increase the plasma concentrations of voxilaprevir, which is a substrate of the hepatic uptake transporters. When a single 100 mg dose of voxilaprevir was administered with a single 600 mg dose of the potent OATP 1B1/1B3 inhibitor cyclosporine (n=24), mean voxilaprevir peak plasma concentration (Cmax) and systemic exposure (AUC) increased by approximately 19.0- and 9.4-fold, respectively. Inhibition of P-glycoprotein (P-gp)- and breast cancer resistance protein (BCRP)-mediated intestinal transport and CYP450 3A4-mediated metabolism of voxilaprevir may also contribute to the overall interaction with cyclosporine. The safety of such high levels of voxilaprevir has not been established.

MANAGEMENT: Caution and monitoring are advised when voxilaprevir is used with OATP 1B1 or 1B3 inhibitors.

References (1)
  1. (2017) "Product Information. Vosevi (sofosbuvir/velpatasvir/voxilaprevir)." Gilead Sciences

Drug and food interactions

Moderate

voxilaprevir food

Applies to: sofosbuvir / velpatasvir / voxilaprevir

ADJUST DOSING INTERVAL: Administration with food enhances the oral bioavailability of sofosbuvir, velpatasvir, and voxilaprevir. Relative to fasting conditions, mean sofosbuvir systemic exposure (AUC) increased by 64% to 144%, mean velpatasvir AUC increased by 40% to 166%, and mean voxilaprevir AUC increased by 112% to 435% when the combined sofosbuvir/velpatasvir/voxilaprevir formulation is administered with food.

MANAGEMENT: Sofosbuvir/velpatasvir/voxilaprevir should be administered with food.

References (1)
  1. (2017) "Product Information. Vosevi (sofosbuvir/velpatasvir/voxilaprevir)." Gilead Sciences
Moderate

pravastatin food

Applies to: pravastatin

MONITOR: Concomitant use of statin medication with substantial quantities of alcohol may increase the risk of hepatic injury. Transient increases in serum transaminases have been reported with statin use and while these increases generally resolve or improve with continued therapy or a brief interruption in therapy, there have been rare postmarketing reports of fatal and non-fatal hepatic failure in patients taking statins. Patients who consume substantial quantities of alcohol and/or have a history of liver disease may be at increased risk for hepatic injury. Active liver disease or unexplained transaminase elevations are contraindications to statin use.

MANAGEMENT: Patients should be counseled to avoid substantial quantities of alcohol in combination with statin medications and clinicians should be aware of the increased risk for hepatotoxicity in these patients.

References (9)
  1. (2001) "Product Information. Pravachol (pravastatin)." Bristol-Myers Squibb
  2. (2001) "Product Information. Zocor (simvastatin)." Merck & Co., Inc
  3. (2001) "Product Information. Lescol (fluvastatin)." Novartis Pharmaceuticals
  4. (2001) "Product Information. Lipitor (atorvastatin)." Parke-Davis
  5. (2002) "Product Information. Altocor (lovastatin)." Andrx Pharmaceuticals
  6. (2003) "Product Information. Crestor (rosuvastatin)." AstraZeneca Pharma Inc
  7. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  8. Cerner Multum, Inc. "Australian Product Information."
  9. (2010) "Product Information. Livalo (pitavastatin)." Kowa Pharmaceuticals America (formerly ProEthic)

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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