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Teriflunomide – Elimination for Pregnancy — SCE Neurology MCQ

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HardMultiple Sclerosis & CNS InflammationTeriflunomide – Elimination for PregnancySCE Neurology

A woman taking teriflunomide wishes to conceive. Plasma concentration remains above 0.02 mg/L after treatment is stopped. Which plan correctly achieves and confirms accelerated elimination?

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Correct answer: EUse cholestyramine or activated charcoal, then document levels below 0.02 mg/L on two tests at least 14 days apart before proceeding

Teriflunomide undergoes prolonged enterohepatic recirculation and may persist for many months. Accelerated elimination uses cholestyramine or activated charcoal. Effective clearance must be demonstrated by two plasma concentrations below 0.02 mg/L at least 14 days apart before conception planning continues. Dialysis and folinic acid are not the authorised procedures, and the original assertion that elimination concerns only one sex was false.

Reference: Teriflunomide Summary of Product Characteristics: https://www.medicines.org.uk/emc/product/15512/smpc