Lecture 1 - MS/MG Flashcards
which kind of MS is most common
Relapsing-remitting MS (RRMS)
like 85% of pts
can progress to secondary progressive MS
Kurtzke EDSS scale
0-10
Lower = less disability
Higher = more disability
Relapse/exacerbation definition
development of new or recurring symptoms lasting at least 24 hours and separated from previous attack by atleast 1 month
Treatment of acute exacerbations MS
Methylprednisolone
Dose: 500-1000mg IV daily
Duration: 3-7 days, improve in 3-5 days
ADE: sleep disturbance, metallic tase, BG,GI upset
What to give if patient refractory to steroid MS treatment?
Plasam exchange (PLEX) = every other day X 7 treatments
IVIG
“Safety; Tried and True Approach” meds
Interferons 1b n 1a, not much clinical difference
1a might be more potent/stable so weekly dosing n less inj site reacionts
Tecfidera (Dimethyl-Fumarate) MOA:
nicotinic acid receptor agonsit/activator
Tecfidera (Dimethyl-Fumarate) Dosing
120mg DR PO BID
inc to 240mg DR BID after 7 days
dont crush, swallow whole
How to decrease flushing with Tecfidera (Dimethyl-Fumarate)
Take with food
consider non-EC ASA of < 325mg 30min prior
Tecfidera (Dimethyl-Fumarate) Adverse effects
Lympgocytopenia
LFTs
Flushing
GI after 1 month
Anaphylaxis
Angioedemia
Interferon B-1b Brand names
Betaseron
Extavia
Interferon B-1b dose
titrate to 250mcg
Given SC every other day
Interferon B-1b storage
doesnt req fridge
Avonex info
Interferon B-1a
Dose:30mcg IM weekly
Storage: Fridge or RT 7 days
Rebif info
Interferon B-1a
Dose:22 or 44mcg SQ 3 times weekly
Storage: Fridge or RT 30 days
Plegridy info
Interferon B-1a
Dose: 125 mcg SQ every 14 days
Storage: Fridge, RT 30 day, protect from light
Interferon warnings
Liver dysfunction
Worsening Depression
Interferon adverse effects
Inj site redness
swelling
Flu-like symptoms
Interferon monitoring
BL: Blood count, Platelets, LFTs
continue at 1 month, Q3 for 1 yr, then Q6
Interferon counseling
Body temp at injection
Rotate inj site, apply cold pack before/after, hydrocortisone cream
Flu-like symptoms = Last ~24hrs, give APAP or NSAIDs before/after inj
Glatiramer Acetate (Copaxone) Dose
20mg SQ daily or 40mg SQ 3 times weekly (start 1-2 days after 20mg dose)
Glatiramer Acetate (Copaxone) Adverse effects
10% transient chest tightness
Flushness n dyspnea
Glatiramer Acetate (Copaxone) Storage
Fridge
RT for 30 day
Glatiramer Acetate (Copaxone) place in therapy
1st or 2nd line depending on pt factors