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XELJANZ (tofacitinib) tablets
2015-08-12 21:43:42 来源: 作者: 【 】 浏览:431次 评论:0
  • HIGHLIGHTS OF PRESCRIBING INFORMATION
    These highlights do not include all the information needed to use XELJANZ safely and effectively. See full prescribing information for XELJANZ.

    XELJANZ ® (tofacitinib) tablets for oral administration
    Initial U.S. Approval: 2012
    WARNING: SERIOUS INFECTIONS AND MALIGNANCY
    See full prescribing information for complete Boxed Warning.
    • Serious infections leading to hospitalization or death, including tuberculosis and bacterial, invasive fungal, viral, and other opportunistic infections, have occurred in patients receiving XELJANZ. (5.1)
    • If a serious infection develops, interrupt XELJANZ until the infection is controlled. (5.1)
    • Prior to starting XELJANZ, perform a test for latent tuberculosis; if it is positive, start treatment for tuberculosis prior to starting XELJANZ. (5.1)
    • Monitor all patients for active tuberculosis during treatment, even if the initial latent tuberculosis test is negative. (5.1)
    • Lymphoma and other malignancies have been observed in patients treated with XELJANZ. Epstein Barr Virus- associated post-transplant lymphoproliferative disorder has been observed at an increased rate in renal transplant patients treated with XELJANZ and concomitant immunosuppressive medications. (5.2)
    INDICATIONS AND USAGE
    • XELJANZ, an inhibitor of Janus kinases (JAKs), is indicated for the treatment of adult patients with moderately to severely active rheumatoid arthritis who have had an inadequate response or intolerance to methotrexate. It may be used as monotherapy or in combination with methotrexate or other nonbiologic disease-modifying antirheumatic drugs (DMARDs).
    • XELJANZ should not be used in combination with biologic DMARDs or potent immunosuppressants such as azathioprine and cyclosporine. (1.1)

    DOSAGE AND ADMINISTRATION

    Rheumatoid Arthritis (2)

      The recommended dose of XELJANZ is 5 mg twice daily. (2)

    DOSAGE FORMS AND STRENGTHS
    • Tablets: 5 mg (3)

    CONTRAINDICATIONS

    None (4)
    WARNINGS AND PRECAUTIONS

    • Serious Infections – Do not administer XELJANZ during an active infection, including localized infections. If a serious infection develops, interrupt XELJANZ until the infection is controlled. (5.1)
    • Lymphomas and other malignancies have been reported in patients treated with XELJANZ. (5.2)
    • Gastrointestinal Perforations – Use with caution in patients that may be at increased risk. (5.3)
    • Laboratory monitoring –Recommended due to potential changes in lymphocytes, neutrophils, hemoglobin, liver enzymes and lipids. (5.4)
    • Immunizations –Live vaccines should not be given concurrently with XELJANZ. (5. 5)
    • Severe hepatic impairment–Not recommended (5.6)

    ADVERSE REACTIONS

    The most commonly reported adverse reactions during the first 3 months in controlled clinical trials (occurring in greater than or equal to 2% of patients treated with XELJANZ monotherapy or in combination with DMARDs) were upper respiratory tract infections, headache, diarrhea and nasopharyngitis. (6.1)

    To report SUSPECTED ADVERSE REACTIONS, contact Pfizer, Inc at 1-800-438-1985 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

    DRUG INTERACTIONS
    • Potent inhibitors of Cytochrome P450 3A4 (CYP3A4) (e.g., ketoconazole): Reduce dose to 5 mg once daily. (2.1)
    • One or more concomitant medications that result in both moderate inhibition of CYP3A4 and potent inhibition of CYP2C19 (e.g., fluconazole): Reduce dose to 5 mg once daily. (2.1)
    • Potent CYP inducers (e.g., rifampin): May result in loss of or reduced clinical response. (2.2)

    USE IN SPECIFIC POPULATIONS

    Moderate and severe renal impairment and moderate hepatic impairment: Reduce dose to 5 mg once daily. (8.6, 8.7)

    See 17 for PATIENT COUNSELING INFORMATION and Medication Guide.

    Revised: 11/2012

  • FULL PRESCRIBING INFORMATION: CONTENTS*
  • 1 INDICATIONS AND USAGE

     

     

    1.1 Rheumatoid Arthritis

    • XELJANZ (tofacitinib) is indicated for the treatment of adult patients with moderately to severely active rheumatoid arthritis who have had an inadequate response or intolerance to methotrexate. It may be used as monotherapy or in combination with methotrexate or other nonbiologic disease-modifying antirheumatic drugs (DMARDs).
    • XELJANZ should not be used in combination with biologic DMARDs or with potent immunosuppressants such as azathioprine and cyclosporine.
  • 2 DOSAGE AND ADMINISTRATION

     

    XELJANZ is given orally with or without food.

     

    2.1 Rheumatoid Arthritis

    XELJANZ may be used as monotherapy or in combination with methotrexate or other nonbiologic disease modifying antirheumatic drugs (DMARDs). The recommended dose of XELJANZ is 5 mg twice daily.

    • Dose interruption is recommended for management of lymphopenia, neutropenia and anemia [see Dosage and Administration (2.3), Warnings and Precautions (5.4), and Adverse Reactions (6.1)].
    • XELJANZ dosage should be reduced to 5 mg once daily in patients:
      • with moderate or severe renal insufficiency
      • with moderate hepatic impairment
      • receiving potent inhibitors of Cytochrome P450 3A4 (CYP3A4) (e.g., ketoconazole)
      • receiving one or more concomitant medications that result in both moderate inhibition of CYP3A4 and potent inhibition of CYP2C19 (e.g., fluconazole).

     

    2.2 General Considerations for Administration

    • XELJANZ should not be used in patients with severe hepatic impairment.
    • It is recommended that XELJANZ not be initiated in patients with a lymphocyte count less than 500 cells/mm3, an absolute neutrophil count (ANC) less than 1000 cells/mm3, or who have hemoglobin levels less than 9 g/dL.
    • Coadministration of XELJANZ with potent inducers of CYP3A4 (e.g., rifampin) may result in loss of or reduced clinical response to XELJANZ.

     

    2.3 Dosage Modifications

    XELJANZ treatment should be interrupted if a patient develops a serious infection until the infection is controlled.

    Table 1: Dose Adjustments for Lymphopenia
    Low Lymphocyte Count [see Warnings and Precautions (5.4)]
    Lab Value
    (cells/mm3)
    Recommendation
    Lymphocyte count greater than or equal to 500 Maintain dose
    Lymphocyte count less than 500 Discontinue XELJANZ
    (Confirmed by repeat testing)  
    Table 2: Dose Adjustments for Neutropenia
    Low ANC [see Warnings and Precautions (5.4)]
    Lab Value
    (cells/mm3)
    Recommendation
    ANC greater than 1000 Maintain dose
    ANC 500–1000 For persistent decreases in this range, interrupt dosing until ANC is greater than 1000
      When ANC is greater than 1000, resume XELJANZ 5 mg twice daily
    ANC less than 500 Discontinue XELJANZ
    (Confirmed by repeat testing)  
    Table 3: Dose Adjustments for Anemia
    Low Hemoglobin Value [see
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