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Label Changes for:

Emend (aprepitant) Capsules

November 2008

Changes have been made to the PRECAUTIONS sections of the safety label.

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) -- November 2008


The detailed view includes drug products with safety labeling changes to the BOXED WARNING, CONTRAINDICATIONS, WARNINGS, PRECAUTIONS, ADVERSE REACTIONS, or PATIENT PACKAGE INSERT/MEDICATION GUIDE sections. Deletions or editorial revisions made to these sections are not included in this summary. Read about the new physician labeling format.

Summary View


Sections Modified


  • Drug Interactions
    • Effect of aprepitant on the pharmacokinetics of other agents
      • Tolbutamide
        • ...Emend, when given as a 40-mg single oral dose Day 1, decreased the AUC of tolbutamide (a CYP2C9 substrate) by 8% on Day 2, 16% on Day 4, 15% on Day 8, and 10% on Day 15, when a single dose of tolbutamide 500 mg was administered orally prior to the administration of Emend 40 mg and on Days 2, 4, 8, and 15. This effect was not considered clinically important.
      • Oral contraceptives
        • ...In another study, a daily dose of an oral contraceptive containing ethinyl estradiol and norgestimate (which is converted to norelgestromin) was administered on Days 1 through 21, and Emend 40 mg was given on Day 8...