Multiple Sclerosis Agents

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Can you name the Multiple Sclerosis Agents?

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Prednisone class
Venlafaxine class
Use: For pts who do not respond to corticosteroids during acute attacks
SE: Risk of progressive multifocal leukoencephalopathy. Rare fatal viral (polymyxoma JC virus) reactivation infxn affecting white matter in immunosuppressed (only a risk to pts w/
Modafinil class
First line RRMS agent injected SC daily
Dalfampridine class
Gabapentin class
Dose: 1250 mg/day PO for 3-5 days
SE: Seizures at higher than recommended doses (contraindicated in pts with a hx of seizure)
Dose: Oral. In extreme cases intrathecal
MOA: Purine analog
Baclofen class
IFN beta 1-b (Betaseron) class
MOA: Sphingosine 1-phosphate receptor modulator. Sequesters lymphocytes.
IFN beta 1-a (Avonex) class
Excreted by kidney: contraindicated in moderate to severe renal failure
Use: Depression. Also helps with fatigue
Duloxetine class
MOA: Antimetabolite and antifolate
Second line agent MOA: monoclonal Ab
Dose: Oral daily (first PO MS drug)
Use: Fatigue, cognitive impairment (long acting agent)
HintAnswer
Glatiramer acetate class
SE: Inj site rxn w/ high doses, flu-like s/s (responds well to naproxen), monitor liver fx, may develop neutralizing Ab, may increase depression.
MOA: Synthetic form of myelin basic PRO copolymer 1. Binds to MHC molecules. Competes w/ myelin antigens for presentation to T cells.
First line drugs for disease modification
Second line agent: RRMS. Reduced relapses & progression of disability
Dose: SC injection every other day
Second line agent given IV monthy
Rituximab class
MOA: Potassium channel blocker. Possibly increases conduction in demyelinated axons
Natalizumab class
Methylphenidate class
MOA: Anti-organ rejection drug
Tricyclic class
Carbamazepine class
Off line agent used in the treatment of acute attacks
Daclizumab class
MOA: Immune modulator, exact mechanism not known.
Plasmapheresis class
Use: Depression. Also helps with pain
MOA: Immunomodulator/antineoplastic
Use: Fatigue
Cyclophosphamide class
Second line agent: RRMS, SPMS, Progressive Relapsing MS
HintAnswer
Tizanidine class
IFN beta 1-a (Rebif) class
Axathioprine class
Methotrexate class
Fingolimod class
Dose: 1 gram/day IV for 3-5 days
MOA: Monoclonal Ab. Shows functional improvement not just slowing of decline
SE: Thyroid disorders, ITP (with fatal brain hemorrhage), infections.
Second line agent for RRMS that produces reduction in progression of disabilty
Alemtizumab class
Dose: SC injection 2-3 times weekly
Use: treatment of spasticity
Methylprednisone class
Dose: IV infusion every 3 months
Dose: IM weekly
MOA: alkylating agent
Bupropion class
SE: Localized inj site reactions. Self-limited (15-20 min) acute rxn resembling a panic attack (palpitations, dyspnea, flushing) -- not an indication to stop tx
SE: HR reduction of 10-20 bpm, occasionally bradyarrhythmias or AV block -- screen for cardiac dz (6 hr monitoring w/ first dose). Macular edema in 1% (reversible). Check varicella
Use: pain and paroxysmal disorders
Mycophenolate class
Mitoxantrone class

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