Pharmacology · single question

Which medication is associated with medication-related osteonecrosis of the jaw (MRONJ)?

  1. Methotrexate
  2. Denosumab
  3. Prednisone
  4. Ibuprofen
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Correct answer: B. Denosumab

Denosumab (RANK-L inhibitor, antiresorptive) is strongly associated with MRONJ, similar to bisphosphonates.
  • A. ❌ Methotrexate is not classically associated with MRONJ.
  • B. ✅ CORRECT – Denosumab (Prolia/Xgeva) is a major MRONJ-associated antiresorptive drug.
  • C. ❌ Prednisone is associated with avascular necrosis of the hip, not MRONJ specifically.
  • D. ❌ Ibuprofen (NSAID) has no association with MRONJ.

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