Pharmacology · single question

What is the mechanism of action of adalimumab (Humira)?

  1. Interleukin-6 receptor antagonist
  2. B-cell (CD20) depleting antibody
  3. TNF-alpha inhibitor (monoclonal antibody)
  4. Calcineurin inhibitor
Show answer and explanation

Correct answer: C. TNF-alpha inhibitor (monoclonal antibody)

  • A. That describes tocilizumab.
  • B. That describes rituximab.
  • C. Correct. Adalimumab is a fully human monoclonal antibody that binds and neutralizes TNF-alpha. Dental relevance: these patients are immunosuppressed with increased infection and delayed-healing risk.
  • D. That describes cyclosporine/tacrolimus — cyclosporine is the one associated with gingival overgrowth.

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