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Pharm Exam #2- Antiepileptic Drugs
AED
18
Pharmacology
Graduate
11/01/2010

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Cards

Term
Carbamazepine
Definition
strong inducer
autoinduction
inducer of CYP enzyme
metabolize drugs faster
increased clearance w/increased dose

BBW: rash, blood dyscrasias
Term
Ethosuxamide
Definition
reduces currents on the T-type Ca2+ channels
Term
Felbamate
Definition
BBW: aplastic anemia, hepatic failure

Antagonizes the NMDA receptor and it may also potentiate GABA-A receptor responses
Term
Gabapentin
Definition
Does not act directly on GABA recpetors, may modify the release of GABA
Binds to a subunit of voltage-gated Ca2+ channels, decreasing Ca2+ entry, decreases the release of glutamate
Term
Lacosamide
Definition
Enhances slow inactivation Na+ channels, binds to CRMP-2
Term
Lamotrigine
Definition
BBW: rash

Prolongs inactivation Na+ channels, Ca++ channels, inhibits glutamate release
Term
Levetiracetam
Definition
Modifies the synaptic release of glutamate and GABA through an action on SV2A
Term
Oxcarbazepine
Definition
strong inducer

prolongs inactivation of Na+ channels, actions on K+ channels
Term
Phenobarbital
Definition
strong inducer

GABA receptors: prolong the time of each channel opening
Term
Phenytoin
Definition
strong inducer
saturation of metabolism, point where you are not able to metabolize any more drug (over this leads to toxicity)

prolongs inactivation of Na+ channels
Term
Pregabalin
Definition
Does not act directly on GABA recpetors, may modify the release of GABA
Binds to a subunit of voltage-gated Ca2+ channels, decreasing Ca2+ entry, decreases the release of glutamate
Term
Primidone
Definition
GABA receptors: prolong the time of each channel opening
Term
Rufinamide
Definition
Term
Tiagabine
Definition
Inhibitor of GABA reuptake
Term
Topiramate
Definition
Acts on AMPA receptors, blocking the glutamate binding site. Also blocks kainate receptors and Na+ channels, and enhances GABA currents
Term
Valproic Acid
Definition
strong inbitor

BBW: hepatic fighter, pancreatitis, teratogenic
Term
Vigabatrin
Definition
BBW: vision loss

irreversible inhibitor of GABA aminotransferase (GABA-T), the enzyme responsible for the degredation of GABA. It may also inhibit the vesicular GABA transporter
Term
Zonisamide
Definition
Prolongs inactivation Na+ channels, T-type Ca++ channels
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