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PCol 2 Exam 1
Anticonvulsants, Opioids, Hypnotics
122
Pharmacology
Graduate
02/03/2013

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Term
Central Opioid ADRs (8)
Definition
1.) euphoria
2.) physical dependence
3.) psychological dependence
4.) respiratory depression
5.) CNS depression (miosis)
6.) increased seizures
7.) decreased cough reflex
8.) increased N/V
Term
Peripheral Opioid ADRs (4)
Definition
1.) slowed GIT motility
2.) urinary rtn
3.) itchinng, burning, flushing, bronchocon
4.) tolerance (EXCEPT to miosis/constipation)
Term
morphine (&metabolism)
Definition
MOR agonist
Phase II metabolism -> more active, polar metabolite with BBB crossing mechanism
Term
codeine (&metabolism)
Definition
weak MOR agonist
10% via Cyp2D6 -> morphine
*thus pharmacogenomics influence efficacy
Term
meperidine (&metabolism)
Definition
Demerol
MOR agonist
metabolism -> normeperidine which can cause seizures if builds up; 48hr admin max
Term
hydrocodone (&combos)
Definition
MOR agonist
w/APAP -> Vicodin
w/homatropine (muscarantag) -> Hycodan (antitussive)
Term
tapentadol (&extra MOA)
Definition
Nucynta
weak MOR agonist
+ inhibit NE reptake @ dorsal horn
-> greater alpha2 activation -> less glutamate&SP release
Term
tramadol (&extra MOAs)
Definition
Ultram
weak MOR agonist
+inhibit NE reuptake @ dorsal horn
+inhibit 5HT reuptake @ dorsal horn
-> greater 5HT activation -> less glutamate&SP release
+ direct alpha2 agonist activity
Term
oxycodone (&combos)
Definition
MOR agonist
controlled release -> Oxycontin
w/APAP -> Percocet
w/ASA -> Percodan
Term
methadone
Definition
MOR agonist
long-acting & slow BBB crossing
Term
hydromorphone (&ADR)
Definition
Dilaudid
MOR agonist
ADR: inhibits insulin release -> increases blood glucose
Term
oxymorphone
Definition
MOR agonist
Term
levorphanol
Definition
MOR agonist
Term
fentanyl
Definition
Duragesic/Actiq
strong MOR agonist
Term
diphenoxylate w/atropine
Definition
Lomotil
non-BBB cross MOR agonist for diarrhea
Term
loperamide
Definition
Immodium
P-gp effluxed MOR agonist for diarrhea
Term
paregoric & DTO
Definition
opium d/dx used for infant diarrhea
Term
naloxone
Definition
Narcan IV
MOR/KOR antagonist
use: overdose
Term
naltrexone
Definition
MOR/KOR antagonist
PO
use: opioid dependence
Term
methylnaltrexone
Definition
MOR/KOR antagonist
IV
doesn't cross BBB
use: opioid-induced constipation
Term
alvimopan
Definition
MOR/KOR antagonist
PO
doesn't cross BBB
use: opioid-induced constipation
Term
nalbuphine
Definition
KOR agonist/MOR antagonist
use: moderate analgesia
Term
butorphanol
Definition
KOR agonist/MOR antagonist
use: moderate analgesia
Term
pentazocine
Definition
Talwin
KOR agonist/MOR antagonist
+ sigma receptor agonist (PCP site)
use: moderate analgesia
Term
pentazocine w/naloxone
Definition
Talwin NX
KOR agonist/MOR antagnoist
prevents PCP-related abuse
Term
buprenorphine
Definition
Subutex
MOR partial agonist/KOR antagonist
use: moderate analgesia (or addiction with pregnancy)
Term
buprenorphine w/naloxone
Definition
Suboxone
MOR partial agonist/KOR agonist with MOR antagonist
use: addiction (C.I. in pregnancy)
Term
ziconotide
Definition
Prialt
conototoxin; blocks N-type Ca channel in dorsal horn
-> decreased glutamate & Substance P release
*novel MOA; no respiratory depression like opioids
Term
CGRP effects (3)
Definition
1.) inflammation
2.) vasodilation
3.) pain NT
Term
sumatriptan
Definition
Imitrex
Term
almotriptan
Definition
Axert
Term
zolmitriptan
Definition
Zomig
Term
naratriptan
Definition
Amerge
Term
rizatriptan
Definition
Maxalt
Term
frovatriptan
Definition

Frova

Triptan

Term
eletriptan
Definition
Relpax
Term
Triptans
MOA & ADR & CI
Definition
MOA: Serotonin agonist
5HT-1D (peripheral neurons) -> decrease CGRP release
5HT-1B (vessels) -> vasocon cerebral/meningial vessels
ADR: chest tightness, dizziness, parasthesias
CI: CAD, HTN, MI
Term
ergots
MOA & ADR
Definition
MOA: same as triptan
ADR: dopaminergic & adrenergic effects
Term
sumatriptan w/naproxen
Definition
Treximet
migraine relief
Term
ASA + butalbital (sedative) + caffeine
Definition
Fiorinal
migraine relief
Term
APAP + butalbital + caffeine
Definition
Fioricet
migraine relief
Term
methergine
Definition
synthetic ergot
use: postpartum bleeding or abortion
Term
bromocriptine
Definition
ergot
use: migraine relief
Term
Preventative Drugs for MIgraines
Definition
BB, CCB, gabapentin, topiramate, botox
Term
Hypnotic & Anxiolytic Drug Classes (4)
Definition
1.) BDZ
2.) BDZ-related
3.) Barbs
4.) Melatonin Receptor Agonists
Term
gabaA & gabaC receptor type
Definition
ligand-gated Cl channels
Term
gabaB receptor type
Definition
GPCR
Term
AMPA & NMDA receptor type
Definition
glutamate-gated ion channels
Term
gabaA alpha subunits & actions
Definition
alpha1: sedation/hypnosis
alpha2: anxiety
alpha3: muscle relaxant
Term
BDZ Uses (5)
Definition
1.) anxiolytic (major use)
2.) insomina
3.) alcohol withdrawal syndrome
4.) acute anticonvulsant
5.) muscle relaxant
Term
short acting BDZs (2)
Definition
midazolam
triazolam
Term
midazolam (use)
Definition
Versed
short-acting BDZ
use: bedside procedure sedation
Term
triazolam
use&ADR
Definition
short-acting BDZ
use: insomnia
ADR: rebound insomnia
Term
Intermediate-acting BDZs (5)
Definition
alprazolam
estazolam
lorazepam
oxazepam
temazepam
Term
alprazolam
use&ADR
Definition
intermediate-acting BDZ
use: anxiety
ADR: severe withdrawal
Term
estazolam
Definition
intermediate-acting BDZ
use: insomnia
Term
lorazepam
use&metabolism
Definition
intermediate-acting BDZ
use: anxiety, acute seizure
metabolism: Phase II -> less patient variability & DDIs
Term
oxazepam
use&metabolism
Definition
intermediate-acting BDZ
use: anxiety
metab: PhII
Term
temazepam
use&metabolism
Definition
intermediate-acting BDZ
use: insomnia
metab: PhII
Term
long-acting BDZs (6)
Definition
chlordiazepoxide
clonazepam
diazepam
chlorazepate
flurazepam
quazepam
Term
clorazepate
Definition
long-acting BDZ
Term
diazepam
use
Definition
long-acting BDZ
use: muscle relaxant & alcohol withdrawal
Term
flurazepam
Definition
long-acting BDZ
Term
quazepam
Definition
long-acting BDZ
Term
zolpidem
Definition
BDZ-related drug
Term
zaleplon
Definition
BDZ-related drug
Term
eszopiclone
Definition
BDZ-related drug
Term
BDZ-related drugs
MOA&Use
Definition
MOA: high-affinity binding to gabaA alpha1
Use: insomnia only
Term
flumazenil
MOA&use&ADR
Definition
competitive antagonist @ gabaA
use: BDZ overdose, reversal after procedure
ADR: seizure precipitation
Term
Barbiturates
MOA&Use&ADR
Definition
MOA:
1.)(+)allosteric mod of gabaA (higher affin than BDZ)
2.) weak agonist at gabaA
3.) noncompetitively binds & stabilizes closed conformation of Na/K channel on AMPA receptor
Term
thiopental
uses
Definition
ultra-short acting barb
uses: general anesthetic & decrease ICP
Term
methohexital
Definition
ultra-short acting barb
use: general anesthetic
Term
pentobarbital
Definition
ultra-short acting barb
use: acute seizure
Term
phenobarbital
Definition
long-acting barb
use: anticonvulsant
Term
mirtazipine
Definition
off-label hypnotic
Term
trazodone
Definition
off-label hypnotic
Term
diphenhydramine
Definition
off-label hypnotic
Term
ramelteon
Definition
Melatonin Receptor Agonist
MT1: induce sleep
MT2: regulate rhythm
hypnotic
Term
buspirone
MOA&use&ADR
Definition
MOA: selective partial agaonist @ 5HT 1-A
Use: adjunct treatment for moderate anxiety
ADR: D2 antagonism -> restlessness
Term
gabaB receptor
locations & type
Definition
Gi-PCR
1.) pre-synapse: inhibits Ca entry
2.) post-synapse: stims K efflux
Term
baclofen
MOA, use, ADR, additional benefit
Definition
MOA: gabaB agonist
1.) inhibit Ca entry -> less glutamate release
2.) stim K efflux -> decreased activation of motor neuron\
Use: muscle spasms
ADR: sedation, muscle weakness, additive effect with other CNS depressants, withdrawal, tolerance
(*) shown to decrease alcohol craving
Term
Centrally-Acting Muscle Relaxant MOAs (4)
Definition
1.) gabaB agonist
2.) alpha2 agonist
3.) TCAs
4.) Unknown
Term
tizandine
MOA, use, ADRs
Definition
alpha2 agonist
MOA:
1.) inhibits glutamate release (additional pain relief benefit)
2.) inhibits alpha motor neuron activity
Use: muscle spasms
ADRs: sedation, xerostomia, hypoTN, bradycardia
Term
cyclobenzaprine
MOA, use, ADRs
Definition
TCA
MOA: inhibits NE & 5HT reuptake
Use: muscle spasms
ADRs: sedation, xerostomia, arrhythmia, fatal combo w/MAOi
Term
methocarbamol
Definition
MOA: CNS depression
Use: muscle spasms & tetanus
Term
carisoprodol
Definition
MOA: CNS depression
Use: muscle spasms
Term
orphenadrine
Definition
MOA: CNS dperession
Use: Muscle spasms
Term
Direct-Acting Muscle Relaxant MOAs (2)
Definition
1.) inhibit Ach release from nicotinic neuron
2.) ryanodine antagonism
Term
Botulinum Toxin
Structure, SOA, MOA, DOA, ADR
Definition
SOA: neuromuscular junction
Structure&MOA:
heavy chain: recognizes NMJ terminus
light chain: endopeptidase hydrolyzes VAMP&SNAP to prevent ACh release
DOA: one month
ADR: neutralizing Ab reaction
Term
Dantrolene
Definition
SOA: ryanodine receptor on SR
MOA: blocks receptor -> less Ca release -> less muscle contraction
Term
Drug Types for AEDs (7)
Definition
1.) NaCBs
2.) T-Type CCBs
3.) L-Type CCBs
4.) GABA potentiators
5.) Glutamate receptor blockers
6.) K channel stabilizers
7.) SV2A Binders
Term
NaCBs
Definition
phenytoin, carbamazepine, oxcabazepine, eslicarbazepine, lamotrigine
Term
phenytoin kinetics, metab, formulation, ADR
Definition

NaCB AED zero order kinetics metab: CYP2C9 (*)CYP3A4 Inhibitor formulation: organic solvents -> cause hypoTN ADR: hypersensitivity

ginger hyperplasia

nystagmia

teratogenic

Term
carbamazepine
ADRs
Definition
NaCB AED
ADR: aplastic anemia & ADH secretion -> hyponatremia
(*)CYP3A4 Inhibitor
Term
oxcarbazepine
Definition
NaCB AED
-> less hyponatremia
-> less CYP3A4 inhibition
Term
eslicarbazepine
Definition
NaCB AED
-> least hyponatremia
-> least CYP3A4 inhibition
Term
lamotrigine
Definition
NaCB AED
Term
ethosuximide
Definition
T-type CCB
Term
valproate
Definition
T-type CCB, NaCB, gabaTi
Term
gabapentin
Definition
N-Type CCB AED
Term
pregabalin
Definition
N-Type CCB AED
(*) NO CYP INTERACTION
Term
N-Type CCB MOA
Definition
block alpha2/delta subunit of neuronal Ca channel -> decrease release of NTs Glutamate, NE, DA, Substance P
Term
tigabine
Definition
inhibits GAT1 (reuptake by GABA neuron)
Term
vigabatrin
Definition

inhibits gabaT (transaminase in glial cell) (*) NO CYP INTERACTION :)

*Ocular toxicity --> need to get check up

Term
topiramate
Definition
AMPA antagonist & NaCB
Term
felbamate
Definition
NMDA antagonist & NaCB
ADR: hematological disorders
Term
ezogabine
Definition
K+ channel stabilizer
-> hyperpolarization with extended K efflux (m current)
Term
levetiracetam
Definition
SV2A binder
-> inhibits NT vesicle fusion
(*) NO CYP INTERACTION :)
Term
zonisamide
MOA (3), ADR
Definition
1.) NaCB
2.) CtCB
3.) inhibits carbonic anhydrase (decreases seizures)
ADR: metabolic acidosis
Term
lancosamide
Definition
NaCB; new AED
Term
rufinamide
Definition
NaCB; new AED
(*)3A4 INDUCER
Term
What AEDs have no CYP involvement? (4)
Definition
Gabapentin, pregabalin, levetiracetam, vigabatrin
Term
Emergence from Anesthesia
Symptoms & Treatment
Definition
1.) overstimulation -> tachycardia
2.) shivers -> give meperidine
3.) CTZ stimulation -> give odansetron
4.) malignant hyperthermia -> give dantrolene
Term
etomidate
pros & cons
Definition
acute IV anesthetic
gabaA potentiation
(+): no effect on BP
(-): only used acutely due to adrenal inhibition
Term
ketamine
Definition
acute IV anesthetic
NMDA blocker & sympathomimetic
(*) analgesia
Term
propofol
pros & cons
Definition
IV anesthetic
gabaA potentiation
(+): good for long-term use; intrinsic anti-emetic activity
(-): emulsion containing eggs; grows bacteria
Term
thiopental
Definition
acute IV anesthetic
gabaA potentiation
(-): builds up in body to give long recovery time
Term
demetomidine
Definition
IV anesthetic
alpha2 agonist
(*) analgesia
Term
fentanyl-related drugs
use
Definition
intrinsic CNS depression: combine with anesthetics to reduce doses
Term
Local Anesthetic Duration Depends on... (3)
Definition
1.) structure (ester vs amide linked)
2.) degree of systemic absorption
3.) affinity to tissue proteins
Term
Ester-Linked LAs
Definition
Benzocaine
Procaine
Tetracaine
Topical Cocaine
Chloroprocaine
Term
Amide-Linked LAs
Definition
Lidocaine
Dibucaine
Mepivacaine
Bupivacaine
Prilocaine
EMLA
Ropivacaine
Articaine
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