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Neuro Drug test 1
Neuro Drug test 1
130
Pharmacology
Graduate
09/03/2013

Additional Pharmacology Flashcards

 


 

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Term
Ligand-gated ion channels
Definition
ionotropic receptors
Term
G-protein Couples receptors
Definition
metabotropic recepotrs
Term
Ionotropic glutamate receptors
Definition
non-NMDA
cation Channels
AMPA
Kainate
Term
Metabotropic glutamate receptors
Definition
mGluR 1-8- no drugs currently target these receptors
Term
Baclofen
Definition
GABAb receptor agonist- inhibitory
Term
Nictonic receptors
Definition
ionotropic receptors for Na channels
Excitatory action in muscles and neuronal
Term
Muscarinic receptors
Definition
Metabotropic receptors
M1, M3, and M5 are all excitatory
M2, and M4 are inhibitory
found in parasympathetic, smooth muscle, heart, CNS, and eye
Term
Procholinergic drugs
Definition
inhibit cholinesterases- used for alzheimer
muscarinic and nicotinic agonist used for glaucoma
Term
Anticholinergic drugs
Definition
Used for parkinson's disease
Term
Antinicotinic drugs
Definition
Used for muscle relaxants
Term
M1 antagonist
(scopolamine)
Definition
Used for motion sickness
Term
Norepinephrine
Definition
Mainly inhibitory, but sometimes excitatory

Broken down by COMT and MAO
Term
Adrenergic (Metabotropic) alpha 1 receptor
Definition
causes vasoconstriction, contraction of genitourinary smooth muscle and relaxes GI muscles
Term
Adrenergic (Metabotropic) alpha 2 receptor
Definition
causes platelet aggregation, inhibition of NT release, and contraction of smooth muscle
Term
Adrenergic (Metabotropic) Beta 1-3 receptor
Definition
B1 causes increase cardiac rate and force

B2 causes broncho and vasodilation

B3 causes lipolysis
Term
alpha-adrenoceptor antagonist
Definition
used for severe hypertension, benign prostatic hypertrophy
phaeochromocytoma
Term
beta-adrenoreceptor antagonist
Definition
used for Angina, MI, heart failure, HTN, glucamoa, anxiety, migraine, benign essential tremor
Term
alpha adrenoreceptor agonist
Definition
used for nasal congestion and BP lowering
Term
beta-adrenoreceptor agonist
Definition
used for treatment of asthma
(salmeterol, albuterol)
Term
inhibitors of NE re-uptake
Definition
tricyclic antidepressants and cocaine
Term
affecting NE synthesis
Definition
carbidopa and methyldopa
Term
affecting NE release and storage
Definition
Reserpine
Term
inhibiting catecholamine metabolism
Definition
MAOIs
Term
Dopamine D1 and D5 receptors
Definition
excitatory receptors that activate adenyl cyclase
Term
Dopamine D2, D3, and D4 receptors
Definition
inhibitory receptors that inhibit adenyl cyclase and suppress Ca and activate K channels
Term
Lipinski's Rule of 5
Definition
molecular weight <500
LogP<5
<5 H-bond donors (NH and OH)
<10 H-bond acceptors (N and O)
<10 rotatable bonds
Term
Tricyclic Antidepressants(TCA)
Definition
Inhibit NE and 5HT reuptake

Much less effect on dopamine, so it has little potential for abuse

Has M1, H1 and alpha 1 antagonist properties too

ADR- urinary retention, ataxia, increase Body temp, tachycardia, constipation, blurred vision, dry mouth, drowsiness, low perspiration, BP drop, weight gain and can cause sexual dysfunction

Never combine with MAOI
Term
NE selective TCA's
Definition
maprotilin
desipramine- 2ndary
protriptyline- 2ndary
nortriptyline- 2ndary

These are more effective in treating loss of motivation
Term
Non-selective TCA's
Definition
Amitriptyline
Imipramine
Clomipramine
Term
5-HT selective TCA's
Definition
Fluocetine
Venlafaxine
Praoxetine
Fluvoxamine
Sertaline
Citalopram

these help treat misery and pessimism
Term
tertiary amines
Definition
inhibit 5HT > NE reuptake

mood stabilizing
Term
Secondary Amines
Definition
inhibit NE > 5HT reuptake

more activating (motivation)
Term
Monoamine Oxidase Inhibitors (MAOIs)
Definition
inhibit MAO, the breakdown of NT.

Mainly inhibit MAO-A causing more of an increase of 5HT=NE>DA

ADR- Headache, excitement, convulsions, orthostatic hypoTN, increase appetite, weight gain, constipation, dry mouth, and liver toxicity

Never combine with TCA or tyramine or food with tyramine
Term
Fluoxetine Fluvoxamine
Sertraline Citalopram
Paroxetine S-citalopram
Definition
SSRIs

more selective for SERT

should not be used for everyday tools to improve mood

used for depression (drug of choice), anxiety, OCD, and PTSD

ADR- serotonin syndrome, agitation, restlessness, rapid muscle movements, N/V, increase bowel motility diarrhea, hyponatremia and sexual dysfunction
Term
Fluoxetine (Prozac)
Definition
SSRI

high dose can decrease weight and appetite

energizes and reduces fatigue
Term
Sertraline (Zoloft)
Definition
SSRI

improves energy and motivation, inhibits CYP 2D6

Can treat depression and anxiety

Sigma 1 agonist
Term
Paroxetine (Paxil)
Definition
SSRI

inhibits CYP 2D6

Blocks NOS which can cause sexual dysfunction

withdrawl reactions such as GI upset, restlessness, dizziness
Term
Fluvoxamine (Luvox)
Definition
SSRI

used more for OCD and anxiety. Can be helpful in psychotic and delusional depression
Term
Citalopram (Cipramil)
Definition
SSRI

has an R and S enantiomer. S is active against SERT.

one of the better tolerated SSRIs

inhibits CYP 2D6
Term
S-Citalopram (Escitalopram)
Definition
SSRI

Pure active S enatiomer

best tolerated SSRI with few CYP interaction
Term
Venlafaxine (Effexor)
Definition
SNRI

blocks 5HT and NE uptake

Substrate for 2D6

ADR- nausea and sexual dysfunction
Term
Bupropion (Wellbutrin)
Definition
NDRI- norepinephrin dopamine

weak inhibitor of NET and DAT. The metabolites are more potent inhibitors and are concentrated in brain

can be used as anti-smoking drug

metabolized by CYP 2D6
Term
Duloxetine (Cymbalta)
Definition
SSNRI

blocks 5-HT and NE uptake

CYP 2D6 inhibitor

can be used for depression and chronic pain
Term
Viloxazine (Vivalan)
Atomoxetine (strattera)
Definition
NRI

Atomoxetine is not approved for depression but does have therapeutic effect
Term
SARIs
Definition
combination of SERT inhibition and 5HT2A and 2C blockage (antagonist)
exact MOA is a ?
Term
Trazodone
Definition
Novel 'atypical' antidepressants

MOA is a ?

sedative antidepressant that is a 5HT transport inhibitor.

substrate of CYP 3A4
Term
Mirtazapine (Rameron)
Definition
NaSSA- noradrenergi-specific serotonergic antidepressant

alpha 2 antagonist, increases NE, antagonist for H1, 5HT2 and 5HT3

ADR- weight gain
Term
Vilazadone (Viibryd)
Definition
SSRi with 5HT1a partial agonist

improves mood within a week

no sexual functioning and no weight gain
Term
Phenytoin (dilantin)
Definition
Classic anti-epileptic

slow recovery of Na Channels from inactivation

used for partial and tonic-clonic seizures

half life increases with dose increase and disproportionately drug concentration increase

induces CYP, can hurt oral contraceptives

ADR- CNS depression, gingical hyperplasia, osteomalacia, inhibits antidiuretic hormone and insulin, tertaogenic
Term
Carbamazepine (Tergretol)
Definition
Classic anti-epileptic

Slows Na channel recovery

used in partial and tonic-clonic seizures

metabolized to active metabolite

induces CYP 2C, 3A and UGT 9Effect PO contraceptives

ADR- stupor, coma, drowsiness, vertigo, increase in seizure frequency, N/V, skin reactions, water retention and teratogenic
Term
Ethosuximide (zarontin)
Definition
Classic anti-epileptic

blocks t-type Ca channels in thalamus

used in absence seizures

ADR- N/V. anorexia, drowsiness, lethargy, headache
Term
Valproic Acid (Depakene)
Definition
Classic anti-epileptic

inhibits Na, Ca channels and enhances GABA transmission by stimulate synthesis and inhibits metabolism

used in partial, generalized, absence and myoclonic seizures. (used for inclassified forms of seizures)

inhibits CYP2C9 and UGT

ADR- N/V, anorexia, eight gain, hair loss, tremor, pancreatitis, hepatotoxicity, minimal sedation, teratogenic
Term
Oxcarbazepine (Trileptal)
Definition
New Anti-epileptic

Blocks Na channels and is a prodrug

induces 3A4/5 but inhibits 2C19. decreases PO contraceptives

ADR- dizziness, Heahache, diarrhea, N/V constipation, ataxia and nervousness
Term
Gabapentin (Neurontin)
Definition
New Anti-epileptic

Promotes GABA release at synapse

2nd line for partial seizures. can be used for neuropathic pain, migraine and spasticity
Term
Lamotrigine (Lamictal)
Definition
New Anti-epileptic

inhibits Na channel recovery

used for partial, absence and generalized tonic-clonic seizures.
monotherapy and add on

ADR- dizziness, Blurred or double vision, N/V, and rash

risk for oral cleft for fetus. teratogenic
Term
Topiramate (Topamax)
Definition
New Anti-epileptic

AMPA/kainate glutamate antagonist
blocks Na channels
activates hyper-polarizing K channels
monotherapy (>10y/o) and add on (2y/o) for partial or primary generalized seizures

ADR- cognitive impairment, somnolence, fatigue, weight loss, kidney stones teratogenic
Term
Levetiracetam (Keppra)
Definition
New Anti-epileptic

MOA unknown

used for myoclonic, partial onset, and tonic-clonic seizures (> 4y/o)

ADR- sedation, fatigue, agitation, irritability and somnolence in kids
Term
Zonisamide (zonegran)
Definition
New Anti-epileptic

blocks Na and t-type Ca channels

used for add on for partial seizures

ADR- somnolence, ataxia, anorexia, kidney stones, reversible renal dysfunction, allergies with sulfonamides
Term
Sedative drugs
Definition
decrease activity, moderates excitement and calms the recipient
Term
Hypnotic drugs
Definition
produce drowsiness and facilitates the onset and maintenance of a state of sleep that resembles natural sleep and from which the patient can be easily roused. they are not good analgesics
Term
Benzodiazepines
Definition
allosteric activators of GABAa receptors. they bind to subunits alph 1,2,3 and 5. do not bind to alpha 4 and 6.

do not effect motor coordination and balance.

Do not directly open the GABAa receptor. Combo of benzo's and alcohol is lethal.

Reduce anxiety, agression, muscle tone, cause sedation, anticonvulsants, anterograde amnesia and paradoxical effects in elderly

ADRs- daytime sedation, reduction of reaction time, ataxia, falls, addictive properties
Term
Flumazenil
Definition
Antidote for overdose of benzodiazepines.

competitive inhibitor of benzodiazepines.
Term
Triazolam
Definition
Benzodiazepines

short half life and rapid onset.

used for hypnotic
Term
Ozazepam
Definition
Benzodiazepines

short half life and slow onset.

used for hypnotic
Term
Lorazepam
Definition
Benzodiazepines

intermed half life and onset.

used for anxiolytic and hypnotic
Term
Temazepam
Definition
Benzodiazepines

intermed half life and slow onset.

used for anxiolytic and hypnotic
Term
alprazolam
Definition
Benzodiazepines

intermediate half life and onset

used for anxiolytic and antidepressant
Term
Diazepam
Definition
Benzodiazepines

long half life and rapid onset

used for anxiolytic and muscle relaxant
Term
Clonazepam
Definition
Benzodiazepines

long half life and rapid onset.

used for anticonvulsant and anxiolytic
Term
Zolpidem
Definition
non-Benzodiazepines hypnotic

more selective for the alpha 1 unit on GABAa

short onset and half life
Term
Zaleplon
Eszopiclone
Definition
Z drugs- more selective for the alpha 1 unit on GABAa

Used for sedation, anticonvulsant and amnesic actions
Term
Methohexital (brecital)
Thipental (pentothal)
Amobarbital (amytal)
pentobarbital (nembutal)
secobarbital (seconal)
phenobarbital (luminal)
Definition
Barbiturates

used for anti-convulsants
Term
Barbiturates
Definition
Allosteric modulator of GABAa receptors. increase duration of channel opening.

high doses can open channel directly, which can be lethal.

induce CYPs and lots of drug-drug interactions

Not often used anymore

used for strong sedation, anticonvulsants, sleep inducing, induce respiratory and cardiovascular depression
Term
Ramelteon
Definition
melatonin MT1 and 2 receptor agnoist, this induces sleep

metabolized by CYP1A2, and is induced in smokers
Term
Classic antipsycotics
Definition
D2 antagonist. also H1, M1 and alpha 1 antagonist. No addictive properties

improve positive symptoms but not negative and cognitive symptoms

ADR- can cause EPS symptoms, increase prolactin levels and antiemetic effect (N/V), hyslipidemia, DM, dermatological reactions, ophtahalmologic problems, urinary retention and sexual dysfunction
Term
Histamine H1 receptor blocker
Definition
ADR- weight gain and drowsiness
Term
antimuscarinic/anticholinergic (M1) receptor blocker
Definition
ADR- constipation, blurred vision, dry mouth, drowsiness
Term
Antiadrenergic (alpha1) receptor blockers
Definition
ADR- dizziness, drowsiness, and decreased blood pressure
Term
Chlorpromazine (thorazine)
Definition
Classic, 1st gen antipsychotics

low D2 antagonist, high H1, M1, alpha 1 antagonist

ADR- sedation, weight gain, constipation, dry mouth, hypoTN, EPS and increase prolactin
Term
Thioridazine (mellaril)
Definition
Classic, 1st gen antipsychotics

Low D2 blocker, M1 antagonist

ADR- blocks K channels, possible arrhythmias, sudden death, and cardiac death.

This drug has been D/C'd
Term
Fluphenazine (prolixin)
Definition
Classic, 1st gen antipsychotics

high D2 antagonist, moderate sedation, M1 and hypotensive effects

ADR- EPS, prolactin, sedation and hypoTN
Term
Thiothixene (navane)
Definition
Classic, 1st gen antipsychotics

High D1 antagonist, M1 antagonist

ADR- EPS, prolactin, sedative, hypoTN
Term
Haloperidol (haldol)
Definition
Classic, 1st gen antipsychotics

D1 antagonist

ADR- EPS and increase prolactin release, sedation, constipation, dry mouth, hypoTN
Term
atypical 2nd generation antipsychotic
Definition
weaker D2 antagonism and strong 5HT antagonism

can improve negative and positive symptoms. maybe used for cognitive symptoms.

less EPS and prolactin release
Term
Clozapine (clozaril)
Definition
atypical 2nd generation antipsychotic

D2, 5HT, H1, alpha 1 and MY antagonist

ADR- hematotoxicity, increased seizure risk, myocarditis, weight gain and metabolic syndrome
Term
Risperidone (risperdal)
Definition
atypical 2nd generation antipsychotic

high 5HT, D2 antagonist. some H1 antagonist. effective for positive symptoms

ADR- hypoTN, sedation, muscle pain, arrhythmias, long QT, and increase prolactin
Term
olanzapine (zyprexa)
Definition
atypical 2nd generation antipsychotic

D2 antagonist, 5HT antagonist, M1, H1, and alpha 1 antagonist

ADR-drowsiness, dizzines, weight gain, increased appetite, dry mouth and constipation

can be used for bipolar disorder
Term
quetiapine (seroquel)
Definition
atypical 2nd generation antipsychotic

is a partial 5HT antagonist and agonist

short half life, weight gain, sedation
Term
Aripiprazole (abilify)
Definition
atypical 2nd generation antipsychotic

D2 antagonist, 5HT2a antagonist, 5HT1a agonist

ADR- little EPS, weight gain sedation and metabolic syndrom

long half life
Term
Ziprasidone (Geodon)
Definition
atypical 2nd generation antipsychotic

partial 5HT antagonist and agonist

low EPS, prolactin increase, weight gain, dyslipidemia and insulin resistance
Term
olanzapine
risperidone
ziprasidone
quetiapine
Definition
atypical 2nd generation antipsychotic

helps with cognitive improvement

ADR- sedation, increased appetite, weight gain, metabolic syndrome, QT prolongation
Term
Iloperidone (fanapt)
Definition
atypical 2nd generation antipsychotic

D2 and 5HT2A antagonist

ADR- dizziness, dry mouth, fatigue, nasal congestion, orthostatic HTN, weight gain and QT prolongation
Term
Asenapine (saphris)
Definition
atypical 2nd generation antipsychotic

sub-lingual tablets

antagonist for 5HT, D2, H1, alpha 1. no muscarinic activity

ADR- risk of death, QT prolongation, EPS, release of prolactin, increased seizure threshold
Term
Levodopa (L-dopa)
Definition
most effective for Parkinson symptoms

pro-drug

transported into the brain by LAT and then made into dopamine

ADR- nausea, dyskinesias, hallucination, postural hypoTN, and wearing off fluctuations
Term
Carbidopa (Lodosyn)
Definition
decarboxylase inhibitor- inhibits peripheral metabolism of L-dopa to dopamine
Term
Caribidopa + L-dopa
Definition
sinemet
Term
Benserazide
Definition
decarboxylase inhibitor- inhibits peripheral metabolism of L-dopa to dopamine
Term
Tolcapone (tasmar)
Definition
COMT inhibitor- selective and reversiblly inhibits COMT peripherally and centrally

ADR- jaundice, upset stomach, extreme tiredness, hepatotoxicity
Term
Entacapone (comtan)
Definition
COMT inhibitor- Selective and reversiblly inhibits COMT peripherally

preferred over tolcapone

ADR- nausea, orthostatic hypoTN, confusion, hallucinations, urine discoloration

can be taken with selective MAO-B inhibitor but not general MAOI
Term
Carbidopa/L-dopa/entacapone
Definition
Stalevo
Term
MAO-A
Definition
deaminates 5HT epinephrine, and NE causing unwanted side effects
Term
MAO-B
Definition
responsible for oxidative deamination of dopamine in the brain

this is the one you would prefer to inhibit.

inhibiting MAO-B is initial therapy for treating parkinson's
Term
Selegiline (eldepryl, emsam, Zelapar)
Definition
irreversible MAO-B inhibitor

can be given with L-dopa for advanced PD

metabolites are amphetamine and methamphetamine

ADR- anxiety, insomnia, hallucinations and possible decrease in oxidative stress

drug of choice for pts under 65 and early PD monotherapy.
Term
Rasagiline (azilect)
Definition
Irreversible MAO-B inhibitor

metabolites not amphetamines

monotherapy for early PD or add on to late PD
Term
Bromocriptine Pergolide
Piribedil Pramipexole
Ropinirole Rotigotine
Apomorphine
Definition
Dopamine receptor agonist

inhibits indirect pathway

used as initial therapy in young patients or adjust to L-dopa

ADR- N/V, dizziness, orthostatic hypoTN, confusion, hallucinations, daytime sleepiness, drowsiness, somnolence,
Term
Ropinirole (requip)
Definition
Dopamine agonist that is approved for monotherapy

D2 class receptor selectivity
ADR- somnolence, hallucinations, confusion, orthostatic hypoTN
Term
Pramipexole (mirapex)
Definition
Dopamine agonist that is approved for monotherapy

renal cleared and available as ER formulation

ADR- Nausea, somnolence, and sleepiness
Term
ampomorphine (apokyn)
Definition
oldest and most potent dopamine agonist

high for D4
med for D2,3,5
low D1

good for intermittent off periods

ADR- nausea, orthostatic hypoTN, somnolence, hypersexuality and skin nodule formation
Term
Rotigotine (neupro)
Definition
D2 receptor agonist

transdermal patch
Term
Benztropine (cogentin)
Trihexyphenidyl (artane)
Definition
anticholinergic/antimuscarinic

in older pts it can worsen dementia and can increase plague formation and cognitive decline

ADR- dry mouth, constipation, urinary retention, sedation, confusion, delirium and hallucinations

used as initial treatment for early PD
Term
Amantadine (symmetrel)
Definition
antiviral that enhances DA release, inhibits its reuptake, has anticholinergic properties and blocks NMDA receptors

Used for mild PD

ADR- confusion, dizziness, hallucinations and dry mouth
Term
Activa
Definition
implanted brain stimulator to reduce symptoms of advanced parkinson's cont controlled by medication
Term
Fluoxetine
Definition
Prozac

SSRI

ADR- GI side effects and bleeds, sleep distrubances, agitation, sexual dysfunction, SIADH and anorexia

inhibits 2D6 and 4A4
Term
Paroxetine
Definition
Paxil

SSRI

ADR- GI side effects and bleeds, sleep distrubances, agitation, sexual dysfunction, SIADH and anorexia

inhibits 2D6
Term
Sertraline
Definition
Zoloft

SSRI

ADR- GI side effects and bleeds, sleep distrubances, agitation, sexual dysfunction, SIADH and anorexia

weak inhibitor of 2D6
Term
Citalopram
Definition
Selexas

SSRI
ADR- GI side effects and bleeds, sleep distrubances, agitation, sexual dysfunction, SIADH and anorexia, QT prolongation

inhibitor of 1A2 and 3A4
Term
Escitalopram
Definition
Lexapro

SSRI

ADR- GI side effects and bleeds, sleep distrubances, agitation, sexual dysfunction, SIADH and anorexia
Term
venlafaxine
Definition
Effexor

SNRI

ADR- tachycardia, elevated BP, insomnia, tremor, sweating, dry mouth, constipation, urinary retention,serotonin symptoms and prolonged QT
Term
Desvenlafaxine
Definition
Pristiq

active metabolite of venlafaxine

SNRI

ADR- tachycardia, elevated BP, insomnia, tremor, sweating, dry mouth, constipation, urinary retention,serotonin symptoms
Term
duloxetine
Definition
Cymbalta

SNRI

ADR- tachycardia, elevated BP, insomnia, tremor, sweating, dry mouth, constipation, urinary retention,serotonin symptoms and Elevated LFT

inhibits 2D6
Term
Bupropion
Definition
Wellbutrion-depression
Zyban- smoking cessation

NDRI- NE Dopamine reuptake inhibitor

ADR- decrease seizure threshold, NE ADRs, psychotic symptoms and bad dreams

inhibits 2D6

do not use with MAOI and use cation with dopamine, NE increasers and meds that lower seizure threshold
Term
Mirtazapine
Definition
Remeron

NaSSA- noradrenergic specific 5HT antidepressants

ADR- sedation, weight gain, increased cholesterol, agranulocytosis, increase in LFT

do not use with MAOIs, and caution with NE and 5HT increasers
Term
Vilazodone
Definition
Viibryd

ADR- GI upset

CYP 3A4 substrate

do not use with MAOI
Term
Selegiline patch
Definition
EmSam Patch

MAOI

ADR- NE, 5HT ADRs, psychosis, bad dreams and orthostatic hypoTN

do not use with other antidepressants, 5HT and meds that increase NE and dopamine
Term
Serotonin ADR's
Definition
GI side effects and bleeds, sleep distrubances, agitation, sexual dysfunction
Term
Levomilnacipran
Definition
Fetsima

SNRI

ADR- tachycardia, elevated BP, insomnia, tremor, sweating, dry mouth, constipation, urinary retention,serotonin symptoms

Substrate of 3A4
Term
SNRI
Definition
Do not use with MAOIs and can decrease HTN medication

Cation when used with other serotonergic and NE medications
Term
SSRI
Definition
Do not use with MAOIs

Cation when used with other serotonergic medications
Term
NE ADR's
Definition
tachycardia elevated BP, insomnia, tremor, sweating, and anticholinergic ADRs
Term
Tricyclic antidepressants
Definition
ADRs- NE, 5HT, anticholinergic, sedation, weight gain, orthostatic hypoTN, arrhytmias, and decrease seizure threshold

inhibits CYP 2D6

do not use with MAOIs and use cation with NE 5HT increasers
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