Exam 2 - Multiple Sclerosis Flashcards
What is thought to play a role in MS development? (2)
latitude and vitamin D
Explain clinically isolated syndrome (CIS)?
used to describe the first episode of MS neurologic symptoms lasting at least 24 hrs
What is the most common form of MS?
RRMS
What are treatments for acute exacerbation of MS? (3)
corticosteroids (methylprednisolone followed by prednisone), H2/PPI, monitor BG
What is the MOA of interferon betas?
suppress T-cell proliferation
Which medications are interferon beta-1as? (3)
Avonex, Rebif, Plegridy
What is the dosing and ROA for Avonex?
30 mcg IM qw
What is the dosing and ROA for Rebif?
22 or 44 mcg SQ tiw
What is the dosing and ROA for Plegridy?
complicated SQ eow
Which medications are interferon beta-1bs? (2)
Betaseron, Extavia
What is the dosing and ROA for interferon-1bs (Betaseron and Extavia)?
250 mg SQ qod
What are AEs for interferon betas? (2)
flu-like symptoms, injection site reactions
What is the MOA of glatiramer acetate?
alteration of T-cell activation and differentiation
Which medications are glatiramer acetate? (2)
Copaxone, Glatopa
What is the dosing and ROA for glatiramer acetate (Copaxone and Glatopa)?
20 mg qd or 30 mg tiw
What are AEs for glatiramer acetate? (2)
injection site reactions, heart attack symptoms
What is the MOA of natalizumab (Tysabri)?
antagonizes alpha-4 integrin of the adhesion molecule very-late activating antigen on leukocytes
What is the dosing and ROA for natalizumab (Tysabri)?
300 mg IV qiw (4 weeks)
What is a BBW of natalizumab (TysabrI)?
progressive multifocal leukoencaphalopathy (PML)
What is the MOA of alemtuzumab (Lemtrada)?
targets CD52 causing reduction of circulating T-cells
What are important counseling points for alemtuzumab (Lemtrada)?
must have already failed two or more medications for MS
What are AEs of alemtuzumab (Lemtrada)? (4)
thyroid disorders, infusion reactions, rash, dusgeusia
What is the MOA of ocrelizumab (Ocrevus)?
targets CD20 causing reduction of circulating B-cells
What is ocrelizumab (Ocrevus) also indicated for?
PPMS
What are AEs of ocrelizumab (Ocrevys)? (2)
infusion reactions, infection susceptibility
What are contraindications for ocrelizumab (Ocrevys)?
active HBV infection
What is the MOA of ofatunumab (Kesimpta)?
targets CD20 causing reduction of circulating B-cells
What are AEs for ofatunumab (Kesimpta)? (2)
infection susceptibility, HA
What is the MOA of mitoxantrone?
intercalates with DNA and inhibits topoisomerase II
What is mitoxantrone also indicated for?
PRMS
What is the dosing and ROA for mitoxantrone?
12 mg/m^2 IV q3 months
What are AEs for mitoxantrone? (2)
cardiotoxicity, bone marrow suppression
What is the indication for cladribine (Mavenclad)?
RRMS and SPMS but NOT CIS
What is the MOA of cladribine (Mavenclad)?
nucleoside analogue; cytotoxic effects on B and T lymphocytes
What is the dosing and ROA for cladribine (Mavenclad)?
10 mg PO for two years
What are contraindications for cladribine (Mavenclad)? (2)
pregnancy, current malignancy
What are AEs for cladribine (Mavenclad)? (2)
HA, infection
What is the MOA of fingolimod (Gilenya)?
S1P receptors; depletes T lymphocytes
What is the indication for fingolimod (Gilenya)?
RRMS, SPMS and CIS
What is needed prior to initiating fingolimod (Gilenya)? (3)
ECG, bloodwork, and eye exam
What are contraindications for fingolimod (Gilenya)?
heart problems
What is the MOA of siponimod (Mayzent)?
S1P receptors; blocks lymphocytes emigration from lymph nodes
What is the indication for siponimod (Mayzent)?
RRMS, SPMS and CIS
What is the genotype that is contraindicated for siponimod (Mayzent) use?
CYP2C93/3
What is the genotype that requires dose adjustment for siponimod (Mayzent) use? (2)
CYP2C91/3 and 2/3
What are AEs of siponimod (Mayzent)? (3)
infections (PML), macular edema, heart issues (QTc prolongation, bradycardia)
What is the MOA of ozonimod (Zeposia)?
S1P receptors; blocks lymphocytes emigration from lymph nodes
What are contraindications for ozonimod (Zeposia)?
heart issues
What are AEs of ozonimod (Zeposia)?
infection
What is the MOA of teriflunomide (Aubagio)? (2)
blocks pyrimidine synthesis, decreases the ability of antigen-presenting cells to active T-cells
What is the indication for teriflunomide (Aubagio)?
RRMS and SPMS
What are AEs of teriflunomide (Aubagio)? (3)
infection, alopecia, paresthesias
What are BBWs for teriflunomide (Aubagio)? (2)
hepatoroxicity, teratogenicity
What are DDIs for teriflunomide (Aubagio)? (3)
contraceptives, statins, warfarin
What is the MOA of dimethyl fumarate (Tecfidera)?
induces cytokines to cause apoptosis in T cells
What is the indication for dimethyl fumarate (Tecfidera)?
RRMS, SPMS, and CIS
What is the dosing and ROA for dimethyl fumarate (Tecfidera)?
240 mg PO bid
What are AEs of dimethyl fumarate (Tecfidera)?
GI
What is the benefit of diroximel fumarate (Vulmerity) over dimethyl fumarate (Tecfidera)?
Less GI symptoms
What is the benefit of monomethyl fumarate (Bafiertam) over dimethyl fumarate (Tecfidera)?
Less GI symptoms
What medications can be used to treat symptoms of MS? (7)
baclofen, dantrolene, BZDRAs, tizanidine, gabapentin, Botox, dalfampridine
What medication can be used to treat pseudobulbar affect?
quinidine