Vectical

Vectical Manufacturers

• Galderma Laboratories, L.p.
  

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  Vectical | Northstar Rxllc

  

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  2.1 Recommended Dosage

  The recommended dosage of leflunomide is 20 mg once daily. Treatment may be initiated with or without a loading dose, depending upon the patient’s risk of leflunomide-associated hepatotoxicity and leflunomide-associated myelosuppression. The loading dosage provides steady-state concentrations more rapidly.

  ·            For patients who are at low risk for leflunomide-associated hepatotoxicity and leflunomide-associated myelosuppression the recommended leflunomide loading dosage is 100 mg once daily for 3 days. Subsequently administer 20 mg once daily.

  ·            For patients at high risk for leflunomide-associated hepatotoxicity (e.g., those taking concomitant methotrexate) or leflunomide-associated myelosuppression (e.g., patients taking concomitant immunosuppressants), the recommended leflunomidedosage is 20 mg once daily without a loading dose [see Warnings and Precautions (5.2, 5.4)].

  
  

  The maximum recommended daily dosage is 20 mg once per day. Consider dosage reduction to 10 mg once daily for patients who are not able to tolerate 20 mg daily (i.e., for patients who experience any adverse events listed in Table 1).

  
  

  Monitor patients carefully after dosage reduction and after stopping therapy with leflunomide, since the active metabolite of leflunomide, teriflunomide, is slowly eliminated from the plasma [see Clinical Pharmacology (12.3)]. After stopping leflunomide treatment, an accelerated drug elimination procedure is recommended to reduce the plasma concentrations of the active metabolite, teriflunomide [see Warnings and Precautions (5.3)]. Without use of an accelerated drug elimination procedure, it may take up to 2 years to reach undetectable plasma teriflunomide concentrations after stopping leflunomide[see Clinical Pharmacology (12.3)].

  2.2 Evaluation and Testing Prior to Starting Leflunomide

  Prior to starting leflunomide treatment the following evaluations and tests are recommended:

  
  

  ·           Evaluate patients for active tuberculosis and screen patients for latent tuberculosis infection [see Warnings and Precautions (5.4)]

  ·           Laboratory tests including serum alanine aminotransferase (ALT); and white blood cell, hemoglobin or hematocrit, and platelet counts [see Warnings and Precautions (5.2, 5.4)]

  ·           For females of reproductive potential, pregnancy testing [see Warnings and Precautions (5.1)]

  ·            Check blood pressure [see Warnings and Precautions (5.10)]

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