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Neuro Exam 1
Lecture 5
92
Agriculture
3rd Grade
08/26/2013

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Term
targets for treating seizures-4
Definition
block glutamate
strengthen GABA
blokc NA
bloack THALMIC Ca
Term
if the drug targets Na channels what is it doing to them?
is this the majority or minority of drugs?
Definition
prolonging the inactivaiton
majority
Term
what is the MOA of carbamezapine
Definition
Na inactivaiton
Term
what is the MOA of pheytoin
Definition
Na inactivation
Term
what is hte MOA of topirmate
Definition
inactivaitfon of Na
Term
wht is the MOa of valproate
Definition
inactivaiotn of Na
Term
what is the MOA of zonisamide
Definition
inactivaiton of Na
Term
what is the MOA of lamotrigine
Definition
inactivaiotn of Na
Term
drugs targeting Ca channels are mostly used for what type of seizure?
Definition
absence
Term
why are thalmic Ca channels targets?
Definition
bc they are involved in cortical discharge which pertains to absence seizures
Term
what are the two ways of increasing GABA
Definition
presynatic- activate receptor (increases Cl)
postsynaptic- blokc reuptake transportes (GAT-1)
Term
how do the AEDs decrease glutamate? -2
Definition
block NMDA
block AMPA recepotrs
Term
what are the classicla AEDS-4
Definition
valproic acid
phenytoin
carbamazapine
ethosuximate
Term
what perrson do you not give AEDS to?
Definition
preggo
Term
what are the common side effects of classical AEDS: 5
Definition
sleepy, ataxia, dizzy
hypersensitive (skin rxn or hematotox
teratogenicity
Term
what is the least sedative classical AED
Definition
valproic acid
Term
what are hte pharmokinetic properrties of classical AEDS
Definition
long half life
CYP 450
poor compliance due to multiple doses
Term
what classical AEDS:
induce CYP 450?
which inhibit?
Definition
phenoarbital, phenytoin, cabamezapine
valproic acid
Term
what is the generic of Dilantin
Definition
phenytoin
Term
wht is the MOA of phenytoin
Definition
slows Na recovery from inactivaiton
Term
what type of seizures do you use phenytoin for? -2
Definition
partial and tonic-clonic
Term
what is the prodrug of phenytoin used in emergencies as injectable?
Definition
fosphenytoin
Term
half life of phenytoin depends on?
Definition
concentration (higher dose=longer half life)
Term
how does drug conc. and dose of phenytoin correlate?
Definition
the increase in dose doesnt equal a saw amount of drug conc increase
Term
generic of tegretol
Definition
carbamezapine
Term
what is the MOA of carbamezapine
Definition
slows Na recovery from inactivaiton
Term
what is the main drug for partial and tonic-clonic seizures
Definition
carbamezapine
Term
which drug's chronic therapy decreases it half life?
Definition
carbamezapine
Term
which drug also has an active metabolite?
what metabolizes it?
Definition
carbamezapine
3A4
Term
what drug induces CYP2C
CY3A
and UGT?
Definition
carbamezapine
Term
overdos eof this med increases seizures
Definition
carbamezapine
Term
acute tox of carbamezapine effects-3
Definition
coma, convulsion, resp depression
Term
chronic therapy of carbamezapine effects-3
Definition
drowsy, ataxia, blurry vision
Term
what is the generic of Zarontin
Definition
ethosuximide
Term
what is the MOA of ethosuximide
Definition
blocks T type Ca channels in thalamus
Term
what is the first line drug fro absence seizures
Definition
ethosuximide
Term
what are the main ADRs of ethosuximide-2
Definition
GI
CNS (like drowsy)
Term
what is the gneeric of Depakene
Definition
valproic acid
Term
what is the MOA of valproic acid-3
Definition
block NA
block Ca
enhances GABA
Term
what seizures are valproic used for? -2
Definition
parital and general (even absence and myoclonic)
Term
this drug inhibits drugs degraded by 2C9 and UGT
Definition
valproic acid
Term
ADE of valproic acid-2
-what is its minimal side effect compared to toher classicals?
Definition
GI symptoms and weight gain (a lot of it)
sedation
Term
generic of Luminal
Definition
Phenoarbital
Term
MOA of phenoarbital
Definition
allosteric modulator of GABA receptor
Term
what is drug of choice for neonatal seizures
Definition
phenoarbital
Term
what seizures are phenoarbital used for-2
Definition
tonic-clonic
partial
Term
what are the benzodiazepines-4
Definition
lorazepam
diazepapm
clonazepam
clorazepate
Term
what benzodiazepines are used for status epilepticus?-2
Definition
diazepam
lorazepam
Term
what benzodiapenines are used for long term treatment of seizures?-2
Definition
clonazapam
clorazepate
Term
what are the MOA of benzodiazepines
Definition
allosteric modulator of GABA receptor
Term
what is the generic of ativan
Definition
lorezapam
Term
generic of valium
Definition
diazepam
Term
generic of klonopin
Definition
clonezepam
Term
generic of tranxene
Definition
clorazepate
Term
what is the generic of trileptal
Definition
oxcarbazepine
Term
what is the MOA of oxcabazepine?
this drug can be used for ppl who didnt respond to?
Definition
blocks Na channels
carbamezapine
Term
what ADE is a prodrug?
Definition
oxcarbazepine
Term
what drugs does oxacarbmezapine decrease the conc of?-2
Definition
levonorgestrel
ethinyl estradiol
Term
what is the generic of felbatol
Definition
felbamate
Term
what is the MOA of felbamate? -2
Definition
NMDA blocker and weak GABA modulator
Term
what drug's use is limited by aplastic anemia and hepatox?
Definition
felbamate
Term
what is the generric og neurotonin?
Definition
gabapentin
Term
what is the MOA of GABA
Definition
not well understood -promotes GABA release
Term
What is gabaepentin very useful for-3
Definition
neuropathy, migraine, spasticity
Term
what ADE has no metabolism?
Definition
gabapentin
Term
what AED doenst have any interacitons with other AEDs
Definition
gabapentin
Term
what is the generic of lyrica?
Definition
pregabalin
Term
what is the MOA of pregabalin?
Definition
not well understood- decreases glutamate
Term
what is pregabalin useful for? -2
Definition
neuropathic pain, anxiety disorder
Term
generic of lamictal
Definition
lamotrigine
Term
what is the MOA of lamotrgine?
Definition
slow recoery of NA from inactivaiton
Term
which drug is metab by liver, but isnt interaciton with the CYPs?
Definition
lamotrigine
Term
what is the generric of Topamax?
Definition
topiramate
Term
what is the MOA of toprimate? -3
Definition
antag AMPA/klainate
blocks NA
activates K+
Term
this is an ADE with topirmate if too fastly titrated?
Definition
cognitive impairment
Term
which drug is a preggo category D?
Definition
topirmate
Term
generic of gabitril
Definition
tigabine
Term
MOA of tigabine
Definition
inhibit GABA reuptake transporter (GAT 1)
Term
generic of Keppra
Definition
levecetiracetam
Term
MOA of levecetricetam
wht does this mean?
Definition
unknown
limited evidence of AED properties
Term
generic of Zonegram
Definition
zonisamide
Term
what is the MOA of zonisamide
Definition
blocks Na and Ca channels
Term
zonisamide is approved for what seizures?
Definition
partial
Term
generic of Vimpat?
Definition
lacosamide
Term
what are the effects of lacosamide besides AED?
Definition
anticonvsulant
analgesic
Term
what is the MOA of lacosamide?
Definition
helps with Na inactivation
Term
generic of Banzel
Definition
rufinamide
Term
MOA of refinamde
Definition
NA inactivation (voltage gated)
Term
generic of Sabril
Definition
vigabatrin
Term
MOA of vigabitran
Definition
irrevserible inhibtor of GABA transaminase (enzyme for degredation)
Term
which drug has a lot of vision loss ADEs
Definition
vigabatrin
Term
old vs new AEDS:
effectivenss?
side effects?
PK?
Definition
about same
less ADEs (esp sedation)
better PK profiles
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