All are true regarding leflunomide except? – Pharmacology MCQ

All are true regarding leflunomide except?
A. Inhibits proliferation of stimulated lymphocytes
B. Depresses antibody production by B lymphocytes
C. Can be used in children
D. Can cause thrombocytopenia

Correct answer : C. Can be used in children

Leflunomide - active metabolitesConversion of leflunomide into its active metabolite

  • Leflunomide is an immunomodulator.
  • It is used in patients with active rheumatoid arthritis.
  • It inhibits proliferation of stimulated lymphocytes.
  • The active metabolite of leflunomide inhibits dihydroorotate dehydrogenase and pyrimidine synthesis.
  • It can depress the antibody production by B cells.
  • It should not be used in children and pregnant / lactating women.

Ref: Essentials of Medical Pharmacology, K D Tripathi, 7th ed, p212.
Image credits:  Vaccinationist.

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