TDM PART 2 Flashcards
Acts by decreasing motor cortex activity
ETHOSUXIMIDE
ETHOSUXIMIDE
“Zarontin”
ETHOSUXIMIDE
Half life:
○ 60 hours (adults)
○ 30 hours (children)
FELBAMATE
Indications: severe epilepsies
● Half life: 14-22 hours adults
● Therapeutic range: 30-60 ug/mL
● Nearly complete absorption in the GIT
● Peak level 1-4 hours after oral dose
◆ Complete absorption
● Elimination renal and hepatic metabolism
● Higher clearance in children with liver dysfunction
FELBAMATE
___ of Felbamate is bound to proteins,
30%
AEDs which reduces its half life:
○ Phenobarbital
○ Primidone
○ Phenytoin
○ Carbamazepine
indications: partial and generalized seizure
LAMOTRIGINE
LAMOTRIGINE
Half life:15-30 hours
● Therapeutic range: 2.5-15 ug/mL
____ is an inhibitor of Lamotrigine
🔊 Valproic acid
Lamotrigine
___% is bound to protein
🔊 55
Such as for those children with mix seizure disorders
and for those children with lennox-gastaut syndrome
FELBAMATE
Indication: treatment of partial and generalized seizures
LEVETIRACETAM
LEVETIRACETAM
● Half Life: 6-8 hours 🔊 Shorter half life for this drug is not bound to proteins
➔ All portion of this drug is considered to be active
or potent portion
● Therapeutic range: 8-26 ug/mL
Indications monotherapy or together with other AEDs
(anti-epileptic drugs) for complex partial seizures
GABAPENTIN
GABAPENTIN
Half life: 5-9 hours
● Therapeutic range: 12-20 ug/mL
● Excessive increased level
○ Toxic adverse effects
● Decreased trough concentration
○ May lead to seizures
Treatment of liver disease and partial onset seizure in
patients with acute intermittent porphyria
● 90% bioavailability
Elimination: renal filtration
Indications monotherapy of practical seizures and in tonic
clonic seizure
OXCARBAZEPINE
OXCARBAZEPINE
Half life: 8-10 hours
● Therapeutic range: 12-35 ug/mL
● Metabolite: Licarbazepine
Metabolism keto reduction followed by glucuronide
conjugation
Peak level: 8 hours after administration
OXCARBAZEPINE
___ is bound to proteins
40%
TIAGABINE
Half life: 4-13 hours
● Therapeutic range: 20-100 ng/mL
● Peak level: 30 minutes - 1 hour after administration
● Metabolism MFO system
● Side effects
○ Symptoms of confusion
○ Stuttering
○ Mild sedation
○ Paresthesia - tingling sensation in the
extremities such as in the fingers, hand, toes,
and feet
Indication for treatment of partial seizures
TIAGABINE
TIAGABINE
____ is bound to proteins
🔊 96%