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Uses
1 INDICATIONS AND USAGE
Therapy with lipid-altering agents should be only one component of multiple risk factor intervention in individuals at significantly increased risk for atherosclerotic vascular disease due to hypercholesterolemia. Drug therapy is indicated as an adjunct to diet when the response to a diet restricted in saturated fat and cholesterol and other nonpharmacologic measures alone has been inadequate.
1.1 Primary HyperlipidemiaVYTORIN is indicated for the reduction of elevated total cholesterol (total-C), low-density lipoprotein cholesterol (LDL-C), apolipoprotein B (Apo B), triglycerides (TG), and non-high-density lipoprotein cholesterol (non-HDL-C), and to increase high-density lipoprotein cholesterol (HDL-C) in patients with primary (heterozygous familial and non-familial) hyperlipidemia or mixed hyperlipidemia.
1.2 Homozygous Familial Hypercholesterolemia (HoFH)VYTORIN is indicated for the reduction of elevated total-C and LDL-C in patients with homozygous familial hypercholesterolemia, as an adjunct to other lipid-lowering treatments (e.g., LDL apheresis) or if such treatments are unavailable.
1.3 Limitations of UseNo incremental benefit of VYTORIN on cardiovascular morbidity and mortality over and above that demonstrated for simvastatin has been established. VYTORIN has not been studied in Fredrickson type I, III, IV, and V dyslipidemias.
History
There is currently no drug history available for this drug.
Other Information
11 DESCRIPTION
VYTORIN contains ezetimibe, a selective inhibitor of intestinal cholesterol and related phytosterol absorption, and simvastatin, an HMG-CoA reductase inhibitor.
The chemical name of ezetimibe is 1-(4-fluorophenyl)-3(R)-[3-(4-fluorophenyl)-3(S)-hydroxypropyl]-4(S)-(4-hydroxyphenyl)-2-azetidinone. The empirical formula is C
24H
21F
2NO
3 and its molecular weight is 409.4.
Ezetimibe is a white, crystalline powder that is freely to very soluble in ethanol, methanol, and acetone and practically insoluble in water. Its structural formula is:
Simvastatin, an inactive lactone, is hydrolyzed to the corresponding β-hydroxyacid form, which is an inhibitor of HMGCoA reductase. Simvastatin is butanoic acid, 2,2-dimethyl-,1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2
H-pyran-2-yl)-ethyl]-1-naphthalenyl ester, [1
S-[1α,3α,7β,8β(2
S*,4
S*),-8aβ]]. The empirical formula of simvastatin is C
25H
38O
5 and its molecular weight is 418.57.
Simvastatin is a white to off-white, nonhygroscopic, crystalline powder that is practically insoluble in water and freely soluble in chloroform, methanol and ethanol. Its structural formula is:
YTORIN is available for oral use as tablets containing 10 mg of ezetimibe, and 10 mg of simvastatin (VYTORIN 10/10), 20 mg of simvastatin (VYTORIN 10/20), 40 mg of simvastatin (VYTORIN 10/40), or 80 mg of simvastatin (VYTORIN 10/80). Each tablet contains the following inactive ingredients: butylated hydroxyanisole NF, citric acid monohydrate USP, croscarmellose sodium NF, hypromellose USP, lactose monohydrate NF, magnesium stearate NF, microcrystalline cellulose NF, and propyl gallate NF.
Sources
Vytorin Manufacturers
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Lake Erie Medical Dba Quality Care Products Llc
Vytorin | Lake Erie Medical Dba Quality Care Products Llc
2 DOSAGE AND ADMINISTRATION 2.1 Recommended DosingThe dosage range is 10/10 mg/day through 10/80 mg/day. The recommended usual starting dose is 10/20 mg/day. VYTORIN should be taken as a single daily dose in the evening, with or without food. Initiation of therapy with 10/10 mg/day may be considered for patients requiring less aggressive LDL-C reductions. Patients who require a larger reduction in LDL-C (greater than 55%) may be started at 10/40 mg/day. After initiation or titration of VYTORIN, lipid levels may be analyzed after 2 or more weeks and dosage adjusted, if needed.
2.2 Patients with Homozygous Familial HypercholesterolemiaThe recommended dosage for patients with homozygous familial hypercholesterolemia is VYTORIN 10/40 mg/day or 10/80 mg/day in the evening. VYTORIN should be used as an adjunct to other lipid-lowering treatments (e.g., LDL apheresis) in these patients or if such treatments are unavailable.
2.3 Patients with Hepatic ImpairmentNo dosage adjustment is necessary in patients with mild hepatic impairment [see Warnings and Precautions (5.3)].
2.4 Patients with Renal ImpairmentNo dosage adjustment is necessary in patients with mild or moderate renal impairment. However, for patients with severe renal insufficiency, VYTORIN should not be started unless the patient has already tolerated treatment with simvastatin at a dose of 5 mg or higher. Caution should be exercised when VYTORIN is administered to these patients, and they should be closely monitored [see Warnings and Precautions (5.1); Clinical Pharmacology (12.3)].
2.5 Geriatric PatientsNo dosage adjustment is necessary in geriatric patients [see Clinical Pharmacology (12.3)].
2.6 Chinese Patients Taking Lipid-Modifying Doses (≥1 g/day Niacin) of Niacin-Containing ProductsBecause of an increased risk for myopathy, caution should be used when treating Chinese patients with VYTORIN coadministered with lipid-modifying doses (≥1 g/day niacin) of niacin-containing products. Because the risk for myopathy is dose-related, Chinese patients should not receive VYTORIN 10/80 mg coadministered with lipid-modifying doses of niacin-containing products. The cause of the increased risk of myopathy is not known. It is also unknown if the risk for myopathy with coadministration of simvastatin with lipid-modifying doses of niacin-containing products observed in Chinese patients applies to other Asian patients. [See Warnings and Precautions (5.1).]
2.7 Coadministration with Other Drugs[See Warnings and Precautions (5.1) and Drug Interactions (7).]
Bile Acid Sequestrants
Dosing of VYTORIN should occur either ≥2 hours before or ≥4 hours after administration of a bile acid sequestrant [see Drug Interactions (7.5)].
Cyclosporine or Danazol
Caution should be exercised when initiating VYTORIN in the setting of cyclosporine. In patients taking cyclosporine or danazol, VYTORIN should not be started unless the patient has already tolerated treatment with simvastatin at a dose of 5 mg or higher. The dose of VYTORIN should not exceed 10/10 mg/day [see Drug Interactions (7.6)].
Amiodarone or Verapamil
In patients taking amiodarone or verapamil concomitantly with VYTORIN, the dose should not exceed 10/20 mg/day [see Warnings and Precautions (5.1) and Drug Interactions (7.3)].
Diltiazem
The dose of VYTORIN should not exceed 10/40 mg/day [see Warnings and Precautions (5.1), Drug Interactions (7.3), and Clinical Pharmacology (12.3)].
Other Concomitant Lipid-Lowering Therapy
The safety and effectiveness of VYTORIN administered with fibrates have not been established. Therefore, the combination of VYTORIN and fibrates should be avoided [see Warnings and Precautions (5.1) and Drug Interactions (7.2 and 7.8)].
There is an increased risk of myopathy when simvastatin is used concomitantly with fibrates (especially gemfibrozil). Combination therapy with gemfibrozil should be avoided because of an increase in simvastatin exposure with concomitant use. [See Warnings and Precautions (5.1) and Drug Interactions (7.2 and 7.8).]
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Lake Erie Medical Dba Quality Care Products Llc
Vytorin | Lake Erie Medical Dba Quality Care Products Llc
2 DOSAGE AND ADMINISTRATION 2.1 Recommended DosingThe dosage range is 10/10 mg/day through 10/80 mg/day. The recommended usual starting dose is 10/20 mg/day. VYTORIN should be taken as a single daily dose in the evening, with or without food. Initiation of therapy with 10/10 mg/day may be considered for patients requiring less aggressive LDL-C reductions. Patients who require a larger reduction in LDL-C (greater than 55%) may be started at 10/40 mg/day. After initiation or titration of VYTORIN, lipid levels may be analyzed after 2 or more weeks and dosage adjusted, if needed.
2.2 Patients with Homozygous Familial HypercholesterolemiaThe recommended dosage for patients with homozygous familial hypercholesterolemia is VYTORIN 10/40 mg/day or 10/80 mg/day in the evening. VYTORIN should be used as an adjunct to other lipid-lowering treatments (e.g., LDL apheresis) in these patients or if such treatments are unavailable.
2.3 Patients with Hepatic ImpairmentNo dosage adjustment is necessary in patients with mild hepatic impairment [see Warnings and Precautions (5.3)].
2.4 Patients with Renal ImpairmentNo dosage adjustment is necessary in patients with mild or moderate renal impairment. However, for patients with severe renal insufficiency, VYTORIN should not be started unless the patient has already tolerated treatment with simvastatin at a dose of 5 mg or higher. Caution should be exercised when VYTORIN is administered to these patients, and they should be closely monitored [see Warnings and Precautions (5.1); Clinical Pharmacology (12.3)].
2.5 Geriatric PatientsNo dosage adjustment is necessary in geriatric patients [see Clinical Pharmacology (12.3)].
2.6 Chinese Patients Taking Lipid-Modifying Doses (≥1 g/day Niacin) of Niacin-Containing ProductsBecause of an increased risk for myopathy, caution should be used when treating Chinese patients with VYTORIN coadministered with lipid-modifying doses (≥1 g/day niacin) of niacin-containing products. Because the risk for myopathy is dose-related, Chinese patients should not receive VYTORIN 10/80 mg coadministered with lipid-modifying doses of niacin-containing products. The cause of the increased risk of myopathy is not known. It is also unknown if the risk for myopathy with coadministration of simvastatin with lipid-modifying doses of niacin-containing products observed in Chinese patients applies to other Asian patients. [See Warnings and Precautions (5.1).]
2.7 Coadministration with Other Drugs[See Warnings and Precautions (5.1) and Drug Interactions (7).]
Bile Acid Sequestrants
Dosing of VYTORIN should occur either ≥2 hours before or ≥4 hours after administration of a bile acid sequestrant [see Drug Interactions (7.5)].
Cyclosporine or Danazol
Caution should be exercised when initiating VYTORIN in the setting of cyclosporine. In patients taking cyclosporine or danazol, VYTORIN should not be started unless the patient has already tolerated treatment with simvastatin at a dose of 5 mg or higher. The dose of VYTORIN should not exceed 10/10 mg/day [see Drug Interactions (7.6)].
Amiodarone or Verapamil
In patients taking amiodarone or verapamil concomitantly with VYTORIN, the dose should not exceed 10/20 mg/day [see Warnings and Precautions (5.1) and Drug Interactions (7.3)].
Diltiazem
The dose of VYTORIN should not exceed 10/40 mg/day [see Warnings and Precautions (5.1), Drug Interactions (7.3), and Clinical Pharmacology (12.3)].
Other Concomitant Lipid-Lowering Therapy
The safety and effectiveness of VYTORIN administered with fibrates have not been established. Therefore, the combination of VYTORIN and fibrates should be avoided [see Warnings and Precautions (5.1) and Drug Interactions (7.2 and 7.8)].
There is an increased risk of myopathy when simvastatin is used concomitantly with fibrates (especially gemfibrozil). Combination therapy with gemfibrozil should be avoided because of an increase in simvastatin exposure with concomitant use. [See Warnings and Precautions (5.1) and Drug Interactions (7.2 and 7.8).]
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Rebel Distributors Corp
Vytorin | Rebel Distributors Corp
2.1 Recommended DosingThe dosage range is 10/10 mg/day through 10/80 mg/day. The recommended usual starting dose is 10/20 mg/day. VYTORIN should be taken as a single daily dose in the evening, with or without food. Initiation of therapy with 10/10 mg/day may be considered for patients requiring less aggressive LDL-C reductions. Patients who require a larger reduction in LDL-C (greater than 55%) may be started at 10/40 mg/day. After initiation or titration of VYTORIN, lipid levels may be analyzed after 2 or more weeks and dosage adjusted, if needed.
2.2 Patients with Homozygous Familial HypercholesterolemiaThe recommended dosage for patients with homozygous familial hypercholesterolemia is VYTORIN 10/40 mg/day or 10/80 mg/day in the evening. VYTORIN should be used as an adjunct to other lipid-lowering treatments (e.g., LDL apheresis) in these patients or if such treatments are unavailable.
2.3 Patients with Hepatic ImpairmentNo dosage adjustment is necessary in patients with mild hepatic impairment [see Warnings and Precautions (5.3)].
2.4 Patients with Renal ImpairmentNo dosage adjustment is necessary in patients with mild or moderate renal impairment. However, for patients with severe renal insufficiency, VYTORIN should not be started unless the patient has already tolerated treatment with simvastatin at a dose of 5 mg or higher. Caution should be exercised when VYTORIN is administered to these patients, and they should be closely monitored [see Warnings and Precautions (5.1); Clinical Pharmacology (12.3)].
2.5 Geriatric PatientsNo dosage adjustment is necessary in geriatric patients [see Clinical Pharmacology (12.3)].
2.6 Chinese Patients Taking Lipid-Modifying Doses (≥1 g/day Niacin) of Niacin-Containing ProductsBecause of an increased risk for myopathy, caution should be used when treating Chinese patients with VYTORIN coadministered with lipid-modifying doses (≥1 g/day niacin) of niacin-containing products. Because the risk for myopathy is dose-related, Chinese patients should not receive VYTORIN 10/80 mg coadministered with lipid-modifying doses of niacin-containing products. The cause of the increased risk of myopathy is not known. It is also unknown if the risk for myopathy with coadministration of simvastatin with lipid-modifying doses of niacin-containing products observed in Chinese patients applies to other Asian patients. [See Warnings and Precautions (5.1).]
2.7 Coadministration with Other Drugs[See Warnings and Precautions (5.1) and Drug Interactions (7).]
Bile Acid Sequestrants
Dosing of VYTORIN should occur either ≥2 hours before or ≥4 hours after administration of a bile acid sequestrant [see Drug Interactions (7.5)].
Cyclosporine or Danazol
Caution should be exercised when initiating VYTORIN in the setting of cyclosporine. In patients taking cyclosporine or danazol, VYTORIN should not be started unless the patient has already tolerated treatment with simvastatin at a dose of 5 mg or higher. The dose of VYTORIN should not exceed 10/10 mg/day [see Drug Interactions (7.6)].
Amiodarone or Verapamil
In patients taking amiodarone or verapamil concomitantly with VYTORIN, the dose should not exceed 10/20 mg/day [see Warnings and Precautions (5.1) and Drug Interactions (7.3)].
Diltiazem
The dose of VYTORIN should not exceed 10/40 mg/day [see Warnings and Precautions (5.1), Drug Interactions (7.3), and Clinical Pharmacology (12.3)].
Other Concomitant Lipid-Lowering Therapy
The safety and effectiveness of VYTORIN administered with fibrates have not been established. Therefore, the combination of VYTORIN and fibrates should be avoided [see Warnings and Precautions (5.1) and Drug Interactions (7.2 and 7.8)].
There is an increased risk of myopathy when simvastatin is used concomitantly with fibrates (especially gemfibrozil). Combination therapy with gemfibrozil should be avoided because of an increase in simvastatin exposure with concomitant use. [See Warnings and Precautions (5.1) and Drug Interactions (7.2 and 7.8).]
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Pd-rx Pharmaceuticals, Inc.
Vytorin | Pd-rx Pharmaceuticals, Inc.
2.1 Recommended DosingThe usual dosage range is 10/10 mg/day to 10/40 mg/day. The recommended usual starting dose is 10/10 mg/day or 10/20 mg/day. VYTORIN should be taken as a single daily dose in the evening, with or without food. Patients who require a larger reduction in LDL-C (greater than 55%) may be started at 10/40 mg/day. After initiation or titration of VYTORIN, lipid levels may be analyzed after 2 or more weeks and dosage adjusted, if needed.
2.2 Restricted Dosing for 10/80 mgDue to the increased risk of myopathy, including rhabdomyolysis, particularly during the first year of treatment, use of the 10/80-mg dose of VYTORIN should be restricted to patients who have been taking VYTORIN 10/80 mg chronically (e.g., for 12 months or more) without evidence of muscle toxicity [see Warnings and Precautions (5.1)].
Patients who are currently tolerating the 10/80-mg dose of VYTORIN who need to be initiated on an interacting drug that is contraindicated or is associated with a dose cap for simvastatin should be switched to an alternative statin or statin-based regimen with less potential for the drug-drug interaction.
Due to the increased risk of myopathy, including rhabdomyolysis, associated with the 10/80-mg dose of VYTORIN, patients unable to achieve their LDL-C goal utilizing the 10/40-mg dose of VYTORIN should not be titrated to the 10/80-mg dose, but should be placed on alternative LDL-C-Iowering treatment(s) that provides greater LDL-C lowering.
2.3 Coadministration with Other DrugsPatients taking Verapamil or Diltiazem
The dose of VYTORIN should not exceed 10/10 mg/day [see Warnings and Precautions (5.1), Drug Interactions (7.3), and Clinical Pharmacology (12.3)].Patients taking Amiodarone, Amlodipine or Ranolazine
The dose of VYTORIN should not exceed 10/20 mg/day [see Warnings and Precautions (5.1), Drug Interactions (7.3), and Clinical Pharmacology (12.3)].Patients taking Bile Acid Sequestrants
Dosing of VYTORIN should occur either ≥2 hours before or ≥4 hours after administration of a bile acid sequestrant [see Drug Interactions (7.5)]. 2.4 Patients with Homozygous Familial HypercholesterolemiaThe recommended dosage for patients with homozygous familial hypercholesterolemia is VYTORIN 10/40 mg/day in the evening [see Dosage and Administration, Restricted Dosing for 10/80 mg (2.2)]. VYTORIN should be used as an adjunct to other lipid-lowering treatments (e.g., LDL apheresis) in these patients or if such treatments are unavailable.
2.5 Patients with Hepatic ImpairmentNo dosage adjustment is necessary in patients with mild hepatic impairment [see Warnings and Precautions (5.3)].
2.6 Patients with Renal ImpairmentNo dosage adjustment is necessary in patients with mild or moderate renal impairment. However, for patients with severe renal insufficiency, VYTORIN should not be started unless the patient has already tolerated treatment with simvastatin at a dose of 5 mg or higher. Caution should be exercised when VYTORIN is administered to these patients, and they should be closely monitored [see Warnings and Precautions (5.1); Clinical Pharmacology (12.3)].
2.7 Geriatric PatientsNo dosage adjustment is necessary in geriatric patients [see Clinical Pharmacology (12.3)].
2.8 Chinese Patients Taking Lipid-Modifying Doses (≥1 g/day Niacin) of Niacin-Containing ProductsBecause of an increased risk for myopathy in Chinese patients taking simvastatin 40 mg coadministered with lipid-modifying doses (≥1 g/day niacin) of niacin-containing products, caution should be used when treating Chinese patients with VYTORIN doses exceeding 10/20 mg/day coadministered with lipid-modifying doses (≥1 g/day niacin) of niacin-containing products. Because the risk for myopathy is dose-related, Chinese patients should not receive VYTORIN 10/80 mg coadministered with lipid-modifying doses of niacin-containing products. The cause of the increased risk of myopathy is not known. It is also unknown if the risk for myopathy with coadministration of simvastatin with lipid-modifying doses of niacin-containing products observed in Chinese patients applies to other Asian patients. [See Warnings and Precautions (5.1).]
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Pd-rx Pharmaceuticals, Inc.
Vytorin | Pd-rx Pharmaceuticals, Inc.
2.1 Recommended DosingThe usual dosage range is 10/10 mg/day to 10/40 mg/day. The recommended usual starting dose is 10/10 mg/day or 10/20 mg/day. VYTORIN should be taken as a single daily dose in the evening, with or without food. Patients who require a larger reduction in LDL-C (greater than 55%) may be started at 10/40 mg/day in the absence of moderate to severe renal impairment (estimated glomerular filtration rate <60 mL/min/1.73 m2). After initiation or titration of VYTORIN, lipid levels may be analyzed after 2 or more weeks and dosage adjusted, if needed.
2.2 Restricted Dosing for 10/80 mgDue to the increased risk of myopathy, including rhabdomyolysis, particularly during the first year of treatment, use of the 10/80-mg dose of VYTORIN should be restricted to patients who have been taking VYTORIN 10/80 mg chronically (e.g., for 12 months or more) without evidence of muscle toxicity [see Warnings and Precautions (5.1)].
Patients who are currently tolerating the 10/80-mg dose of VYTORIN who need to be initiated on an interacting drug that is contraindicated or is associated with a dose cap for simvastatin should be switched to an alternative statin or statin-based regimen with less potential for the drug-drug interaction.
Due to the increased risk of myopathy, including rhabdomyolysis, associated with the 10/80-mg dose of VYTORIN, patients unable to achieve their LDL-C goal utilizing the 10/40-mg dose of VYTORIN should not be titrated to the 10/80-mg dose, but should be placed on alternative LDL-C-lowering treatment(s) that provides greater LDL-C lowering.
2.3 Coadministration with Other DrugsPatients taking Verapamil or Diltiazem
The dose of VYTORIN should not exceed 10/10 mg/day [see Warnings and Precautions (5.1), Drug Interactions (7.3), and Clinical Pharmacology (12.3)].Patients taking Amiodarone, Amlodipine or Ranolazine
The dose of VYTORIN should not exceed 10/20 mg/day [see Warnings and Precautions (5.1), Drug Interactions (7.3), and Clinical Pharmacology (12.3)].Patients taking Bile Acid Sequestrants
Dosing of VYTORIN should occur either ≥2 hours before or ≥4 hours after administration of a bile acid sequestrant [see Drug Interactions (7.5)]. 2.4 Patients with Homozygous Familial HypercholesterolemiaThe recommended dosage for patients with homozygous familial hypercholesterolemia is VYTORIN 10/40 mg/day in the evening [see Dosage and Administration, Restricted Dosing for 10/80 mg (2.2)]. VYTORIN should be used as an adjunct to other lipid-lowering treatments (e.g., LDL apheresis) in these patients or if such treatments are unavailable.
2.5 Patients with Hepatic ImpairmentNo dosage adjustment is necessary in patients with mild hepatic impairment [see Warnings and Precautions (5.3)].
2.6 Patients with Renal Impairment/Chronic Kidney DiseaseIn patients with mild renal impairment (estimated GFR ≥60 mL/min/1.73 m2), no dosage adjustment is necessary. In patients with chronic kidney disease and estimated glomerular filtration rate <60 mL/min/1.73 m2, the dose of VYTORIN is 10/20 mg/day in the evening. In such patients, higher doses should be used with caution and close monitoring [see Warnings and Precautions (5.1); Clinical Pharmacology (12.3)].
2.7 Geriatric PatientsNo dosage adjustment is necessary in geriatric patients [see Clinical Pharmacology (12.3)].
2.8 Chinese Patients Taking Lipid-Modifying Doses (≥1 g/day Niacin) of Niacin-Containing ProductsBecause of an increased risk for myopathy in Chinese patients taking simvastatin 40 mg coadministered with lipid-modifying doses (≥1 g/day niacin) of niacin-containing products, caution should be used when treating Chinese patients with VYTORIN doses exceeding 10/20 mg/day coadministered with lipid-modifying doses (≥1 g/day niacin) of niacin-containing products. Because the risk for myopathy is dose-related, Chinese patients should not receive VYTORIN 10/80 mg coadministered with lipid-modifying doses of niacin-containing products. The cause of the increased risk of myopathy is not known. It is also unknown if the risk for myopathy with coadministration of simvastatin with lipid-modifying doses of niacin-containing products observed in Chinese patients applies to other Asian patients. [See Warnings and Precautions (5.1).]
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Physicians Total Care, Inc.
Vytorin | Physicians Total Care, Inc.
2.1 Recommended DosingThe usual dosage range is 10/10 mg/day to 10/40 mg/day. The recommended usual starting dose is 10/10 mg/day or 10/20 mg/day. VYTORIN should be taken as a single daily dose in the evening, with or without food. Patients who require a larger reduction in LDL-C (greater than 55%) may be started at 10/40 mg/day in the absence of moderate to severe renal impairment (estimated glomerular filtration rate <60 mL/min/1.73 m2). After initiation or titration of VYTORIN, lipid levels may be analyzed after 2 or more weeks and dosage adjusted, if needed.
2.2 Restricted Dosing for 10/80 mgDue to the increased risk of myopathy, including rhabdomyolysis, particularly during the first year of treatment, use of the 10/80-mg dose of VYTORIN should be restricted to patients who have been taking VYTORIN 10/80 mg chronically (e.g., for 12 months or more) without evidence of muscle toxicity [see Warnings and Precautions (5.1)].
Patients who are currently tolerating the 10/80-mg dose of VYTORIN who need to be initiated on an interacting drug that is contraindicated or is associated with a dose cap for simvastatin should be switched to an alternative statin or statin-based regimen with less potential for the drug-drug interaction.
Due to the increased risk of myopathy, including rhabdomyolysis, associated with the 10/80-mg dose of VYTORIN, patients unable to achieve their LDL-C goal utilizing the 10/40-mg dose of VYTORIN should not be titrated to the 10/80-mg dose, but should be placed on alternative LDL-C-lowering treatment(s) that provides greater LDL-C lowering.
2.3 Coadministration with Other DrugsPatients taking Verapamil or Diltiazem
The dose of VYTORIN should not exceed 10/10 mg/day [see Warnings and Precautions (5.1), Drug Interactions (7.3), and Clinical Pharmacology (12.3)].Patients taking Amiodarone, Amlodipine or Ranolazine
The dose of VYTORIN should not exceed 10/20 mg/day [see Warnings and Precautions (5.1), Drug Interactions (7.3), and Clinical Pharmacology (12.3)].Patients taking Bile Acid Sequestrants
Dosing of VYTORIN should occur either ≥2 hours before or ≥4 hours after administration of a bile acid sequestrant [see Drug Interactions (7.5)]. 2.4 Patients with Homozygous Familial HypercholesterolemiaThe recommended dosage for patients with homozygous familial hypercholesterolemia is VYTORIN 10/40 mg/day in the evening [see Dosage and Administration, Restricted Dosing for 10/80 mg (2.2)]. VYTORIN should be used as an adjunct to other lipid-lowering treatments (e.g., LDL apheresis) in these patients or if such treatments are unavailable.
2.5 Patients with Hepatic ImpairmentNo dosage adjustment is necessary in patients with mild hepatic impairment [see Warnings and Precautions (5.3)].
2.6 Patients with Renal Impairment/Chronic Kidney DiseaseIn patients with mild renal impairment (estimated GFR ≥60 mL/min/1.73 m2), no dosage adjustment is necessary. In patients with chronic kidney disease and estimated glomerular filtration rate <60 mL/min/1.73 m2, the dose of VYTORIN is 10/20 mg/day in the evening. In such patients, higher doses should be used with caution and close monitoring [see Warnings and Precautions (5.1); Clinical Pharmacology (12.3)].
2.7 Geriatric PatientsNo dosage adjustment is necessary in geriatric patients [see Clinical Pharmacology (12.3)].
2.8 Chinese Patients Taking Lipid-Modifying Doses (≥1 g/day Niacin) of Niacin-Containing ProductsBecause of an increased risk for myopathy in Chinese patients taking simvastatin 40 mg coadministered with lipid-modifying doses (≥1 g/day niacin) of niacin-containing products, caution should be used when treating Chinese patients with VYTORIN doses exceeding 10/20 mg/day coadministered with lipid-modifying doses (≥1 g/day niacin) of niacin-containing products. Because the risk for myopathy is dose-related, Chinese patients should not receive VYTORIN 10/80 mg coadministered with lipid-modifying doses of niacin-containing products. The cause of the increased risk of myopathy is not known. It is also unknown if the risk for myopathy with coadministration of simvastatin with lipid-modifying doses of niacin-containing products observed in Chinese patients applies to other Asian patients. [See Warnings and Precautions (5.1).]
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Merck Sharp & Dohme Corp.
Vytorin | Abbvie Inc.
2.1 Testing Prior to Initiation of VIEKIRA PAKPrior to initiation of VIEKIRA PAK, assess for laboratory and clinical evidence of hepatic decompensation [see Warnings and Precautions (5.1 and 5.2)].
2.2 Recommended Dosage in AdultsVIEKIRA PAK is ombitasvir, paritaprevir, ritonavir fixed dose combination tablets copackaged with dasabuvir tablets.
The recommended oral dosage of VIEKIRA PAK is two ombitasvir, paritaprevir, ritonavir tablets once daily (in the morning) and one dasabuvir tablet twice daily (morning and evening). Take VIEKIRA PAK with a meal without regard to fat or calorie content [see Clinical Pharmacology (12.3)].
VIEKIRA PAK is used in combination with ribavirin (RBV) in certain patient populations (see Table 1). When administered with VIEKIRA PAK, the recommended dosage of RBV is based on weight: 1000 mg/day for subjects <75 kg and 1200 mg/day for those ≥75 kg, divided and administered twice-daily with food. For ribavirin dosage modifications, refer to the ribavirin prescribing information.
For patients with HCV/HIV-1 co-infection, follow the dosage recommendations in Table 1. Refer to Drug Interactions (7) for dosage recommendations for concomitant HIV-1 antiviral drugs.
Table 1 shows the recommended VIEKIRA PAK treatment regimen and duration based on patient population.
Table 1. Treatment Regimen and Duration by Patient Population (Treatment-Naïve or Interferon-Experienced) Patient Population Treatment* Duration Genotype 1a,
without cirrhosis VIEKIRA PAK + ribavirin 12 weeks Genotype 1a,
with cirrhosis VIEKIRA PAK + ribavirin 24 weeks** Genotype 1b,
without cirrhosis VIEKIRA PAK 12 weeks Genotype 1b,
with cirrhosis VIEKIRA PAK + ribavirin 12 weeks *Note: Follow the genotype 1a dosing recommendations in patients with an unknown genotype 1 subtype or with mixed genotype 1 infection.
**VIEKIRA PAK administered with ribavirin for 12 weeks may be considered for some patients based on prior treatment history [see Clinical Studies (14.3)]. 2.3 Use in Liver Transplant RecipientsIn liver transplant recipients with normal hepatic function and mild fibrosis (Metavir fibrosis score 2 or lower), the recommended duration of VIEKIRA PAK with ribavirin is 24 weeks, irrespective of HCV genotype 1 subtype [see Clinical Studies (14.6)]. When VIEKIRA PAK is administered with calcineurin inhibitors in liver transplant recipients, dosage adjustment of calcineurin inhibitors is needed [see Drug Interactions (7)].
2.4 Hepatic ImpairmentVIEKIRA PAK is contraindicated in patients with moderate to severe hepatic impairment (Child-Pugh B and C)[see Contraindications (4), Warnings and Precautions (5.1), Use in Specific Populations (8.6), and Clinical Pharmacology (12.3)].
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