Pharmacology · single question

The specific reversal agent for apixaban (a factor Xa inhibitor) is:

  1. Andexanet alfa
  2. Vitamin K
  3. Protamine sulfate
  4. Idarucizumab
Show answer and explanation

Correct answer: A. Andexanet alfa

  • A. Correct. Andexanet alfa is the specific reversal agent for factor Xa inhibitors (apixaban, rivaroxaban).
  • B. Vitamin K reverses warfarin, not direct Xa inhibitors.
  • C. Protamine reverses heparin.
  • D. Idarucizumab reverses dabigatran (a direct thrombin inhibitor), not apixaban.

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