Immunosuppressants · Pharmacology

Fingolimod is a first-in-class oral drug for Multiple Sclerosis that works by:

  1. Blocking sodium channels
  2. Modulating Sphingosine-1-phosphate (S1P) receptors
  3. Inhibiting acetylcholinesterase
  4. Antagonizing GABA receptors
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Correct answer: Modulating Sphingosine-1-phosphate (S1P) receptors

Fingolimod sequesters lymphocytes in the lymph nodes by internalizing S1P receptors. This prevents the lymphocytes from migrating into the central nervous system to cause inflammatory damage.

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