MS Flashcards
first episode of neurologic symptoms lasting at least 24 hours caused by inflammation & demyelination in 1 or more sites in the CNS
(1 attack & 1 lesion)
clinically isolated syndrome
most common MS, worsening of preexisting symptoms or onset of new symptoms for >48 hours without fever, contrasted by remission with no symptoms
relapsing-remitting
progression of RRMS steadily progressing with or without clear cut relapses
secondary-progressive
MS with steady decline without relapse, meds not effective
primary-progressive
steady progressing MS with periods of exacerbations
progressive relapsing
two options for MS relapse treatment
corticosteroids, corticotropin acthar gel
indication for ALL disease modifying MS treatments
RELAPSING FORMS
including CIS, RRMS, active SPMS
interferon beta-1a products
route of admin?
avonex IM
rebif SQ
plegridy SQ
interferon beta-1b products
route of admin?
betaseron, extavia SQ
major AE of interferon beta?
how to manage?
flu-like symptoms
premedicate with APAP or ibuprofen
non-interferon ABCR agent?
route of admin?
glatiramer acetate (copaxone, glatopa)
SQ
major AEs of glatiramer acetate
injection site rxn (masses, welts), vasodilation, chest pain, throat constriction.
sometimes fatal opportunistic infection from activation of latent JCV
demyelinating disease
progressive multifocal leukoencephalopathy (PML)
common AEs for MoAbs for MS
infusion rxn, infection (URTI, UTI), HA, fatigue, diarrhea, dizziness, chills, nausea, insomnia, PML.
MoAbs for MS?
Natalizumab (Tysabri)
Alemtuzumab (Lemtrada)
anti CD20 MoAbs for MS?
Ocrelizumab (ocrevus)
ublituximab (biumvi)
ofatunumab (kesimpta)
route of admin for tysabri
IV Q4W
alemtuzumab (lemtrada) is reserved for….
inadequate response to 2 or more other meds
which MoAbs recommend premedicating? with what?
lemtrada, ocrevus, biumvi
treat w/ antihistamine, steroid, antipyretics
major AEs of lemtrada
development of autoimmune thyroid disorders, rash
BBW for lemtrada
autoimmune condition, infusion reactions, malignancy
Contraindication for anti CD20 MoAbs?
Warnings?
CI- active HBV
Warn- HBV, herpes, infection, PML, malignancy, infusion rxn, immunizations
which MS therapy is the ONLY ONE APPROVED FOR PPMS
ocrelizumab (ocrevus)
special warning for ublituximab (biumvi) for hypersensitivity due to
polysorbate 80 in the formulation
route of admin for lemtrada
IV for a few days
route of admin for ocrevus
IV Q6M
route of admin for biumvi
IV Q6M
route of admin for kesimpta
SQ QM
2 chemo agents used for MS
mitoxantrone
mavenclad
mitoxantrone is reserved for
rapidly advancing refractory MS
major dosing/AE point for mitoxantrone
max cumulative lifetime dose due to cardiotoxicity
mitoxantrone AEs
cardiotoxicity, bone marrow suppression, esophagitis, alopecia, HA, NV
mavenclad key points for administration
PO NIOSH drug, wash hands, handle with dry hands, separate admin from other PO meds by 3 hours
BBW for mavenclad
malignancy, teratogenicity
AE of mavenclad
HA, nausea, infection, URTI
drugs that act on S1P receptors to inhibit T lymphocyte release
fingolimod
siponimod
ozonimod
ponesimod
major AEs of S1P drugs for MS
BRADYCARDIA, macular edema, HTN, infection, PML, HA
Contraindication for S1P drugs
most cardiovascular issues
major warnings for S1P drugs
disease rebound when d/c, infection, CV disease, immunization, neurotoxicity, hepatic effects, respiratory effects, PML, bradycardia, QTc, malignancy, etc.
monitoring for S1P drugs
CBC, hepatic, ECG, eyes, BP, infection, skin exam
1st dose monitoring for fingolimod
REQUIRED at least 6 hours
dosing of siponimod is based on
CYP2C9 genotype statis
monitoring for 1st dose of siponimod
required for 6 hours IF PREEXISTING CV CONDITION
Contraindication of siponimod
CYP2C93/3 genotype
siponimod DDI
2C9, 3A4, immunosuppressants, bradycardia causing agents, AV blocking agents, QT prolonging agents
contraindication/DDI for ozonimod
MAOI
tyramine foods interact
monitoring for 1st dose of ponesimod
required for 4 hours IF CERTAIN CV CONDITIONS
agent that blocks pyrimidine synthesis and reduces B lymphocyte proliferation
teriflunomide (Aubagio)
AEs of teriflunomide
alopecia, diarrhea, increased LFTs, paresthesia, hypersensitivity, influenza
teriflunomide BBW
hepatotoxicity, teratogenicity
DDI of teriflunomide
max rosuvastatin 10 mg
lowers INR on warfarin
BCRP, 2C8, OATP1B1, OAT3
fumarates used for MS
dimethyl/diproximen/monomethyl fumarate
tecfidera, vulmerity, bafiertam
AEs of dimethyl fumarate (tecfideria) and other fumarates
how to manage?
GI symptoms- take w/ food
flushing- premed w/ aspirin
med used for PBA (uncontrollable laugh/cry episodes) in MS
nuedexta
drug for walking in MS
dalfampridine (ampyra)
general MOA for interferon B
suppress T cell proliferation (among other immune system effects)
MOA of glatiramer acetate
alters T cell activation and differentiation
natalizumab MOA (Tysabri)
prevents adhesion to the BBB to prevent leukocytes from crossing
alemtuzumab MOA (lemtrada)
targets CD52 on T & B lymphocytes causing long-term reduction of T cells
mavenclad MOA
cytotoxic effects on B & T lymphocytes, depletes them from shutdown of DNA synthesis
teriflunomide MOA
cytostatic effect on proliferating T & B lymphocytes in the periphery
fumarates MOA
induces T-helper 2 cytokines to cause apoptosis in T cells and downregulate intracellular adhesion molecules