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62 Cards in this Set

  • Front
  • Back
APAP major structural feature
fxnal amide
ASA mechanism
NSAID that inhibits COX1/2 irreversibly (only drug that inhibits irreversibly)
ASA major structural feature and significance of this
has an ester; so metabolized by esterases (Phase I)
Main structural feature of Ibuprofen and metabolism
1)isobutyl
2)Phase 2 rxns
Indomethacin is a ___ derivative
indo derivative
Etodolac is a ___ derivative
perro derivative
Nabumetone is a ___ drug...
prodrug, activated by CYP450
...induce COX-2 gene transcription (6)
1)oxidative stress
2)injury
3)inflammation/pain
4)ischemia
5)seizures
6)neurodegenerative diseases
NSAIDS dual insult of GI
1)primary insult is via direct acid damage due to their free hydroxyl
2)secondary insult via PG inhibition
Celebrex
a)has a ___ structure
b)dosing for OA/RA
c)Does it GI side effects
d)main structural feature
a)sulfonamide structure
b)200mg for OA, 400mg for RA
c)YES, only 90% selective for COX-2
d)diaryl substituted pyrazole
First NSAID
Quinine
How do NSAIDs reduce fever?
decr PG's in the hypothalamus, which is the body's thermostat
Precursor to PG
arachidonic acid
3 sources of arachidonic acid and what is main source
1)CELL MEMBRANE PHOSPHOLIPID ESTERS**
2)cholesterol esters
3)triglyceride esters
Arachidonic acid is created by what enzyme?
phospholipase A2
Arachidonic acid interacts w/ 2 enzymes to make 2 products what are they?
1)lipoxygenase = LK
2)cyclooxygenase = PG
COX 1 fxn (2)
1)CONSTITUTIVE FORM
2)found in blood vessels, stomach, tissues where PG is synthesized
ADR's of COX non-specific NSAIDS (5)
1)GI irritation
2)block platelet aggregation
3)inhibit uterine motility
4)prolong pregnancy
5)hypersensitivity rxns (seen mostly w/ ASA)
Salicylates ex (4)
1)ASA (prototype)
2)salsalate
3)diflunisal
4)Choline salicylate
Effects of salicylates (3)
1)analgesic
2)antipyretic
3)anti-inflamm
Salicylates absorption
rapidly absorbed in stomach, upper intestine, and skin by passive diffusion
Antipyretic effect of salicylates (3)
1)lowers abnormally high body temp, wont alter normal temp
2)heat production not altered
3)heat dissipation is enhanced by peripheral blood flow and sweating (notice red face)
ASA toxicity (3)
1)hypersensitivity
2)acute toxicity (lethal dose is 10-30g, but can survive 100g)
3)leads to metaboic acidosis
Treatment of acute ASA toxicity (5)
1)induce vomiting
2)oral admin of charcoal
3)if acidotic, Na bicarb is administered to incr blood pH
4)exchange transfusion (infants)
5)hemodialysis (adults)
Chronic ASA toxicity? (7)
SALICYLISM
a)HA
b)dizziness
c)ringing ears/hard hearing
d)dim vision
e)confusion
f)n/v
g)hyperventilation
Pharmacologic Axn of Sulindac (2)
1)is a sulfoxide prodrug, metabolized to active sulfide metabolite
2)major axn is anti-inflamm, more potent than ASA
Sulindac
a)PK (2)
b)ADR (3)
a)rapidly absorbed, half-life is 8hrs
b)thrombocytopenia, agranulocytosis, nephritic syndrome
Sulindac therapeutic use (3)
1)arthritic conditions
2)inhibits intestinal polyposis
3)inhibit colon cancer
Ketorolac pharmacologic effects (3)
a)anti-inflamm like other NSAIDs
b)greater analgesic potency
3)can be used w/ opoid and reduces opoid requriement by 25-50%
Etodolac pharmacologic effects (3)
1)GREATER COX2 SELECTIVITY THAN MOST OTHER NON-SPECIFIC NSAIDS***
2)analgesic and anti-inflamm
3)some uricosuric activity
Proprionic Derivatives (6)
1)ibuprofen (prototype)
2)fenoprofen
3)flurbiprofen
4)ketoprofen
5)naproxen
6)oxaprozin
Pharmacological effects of proprionics (3)
Analgesia, antipyresis, anti-inflamm similar to ASA
Proprionic therapeutic uses (3)
1)arthritis (general)
2)analgesia
3)dysmenorrhea
Oxicams ex (2)
1)piroxicam (feldene) (prototype)
2)meloxicam
Pharmcological effects of oxicams (3)
1)anti-inflamm, analgesia, antipyresis
2)non selective COX inhibitor
3)inhibits WBC migration & inhibits oxygen free radical production = increased anti-inflammatory
PK of Oxicams (1)
1)45-72hr half-life due to enterohepatic recycling
Therapeutic uses of oxicams (4)
1)long-term treatment of arthritic conditions
2)postop pain
3)acute muscle pain
4)gout
Naphtylalkones ex
a)nabumetone (relafen) (prototype)
Pharmacological effects of Naphtylalkones (3)
1)anti-inflamm, antipyresis, analgesia
2)prodrug (produces a longer half life)
3)no real adv over other NSAIDs
Therapeutic uses of Naphtylalkones (2)
1)arthritic conditions
2)acute pain
Fenamates ex (2)
1)meclofenamate (prototype)
2)mefenamic acid
Fenamates pharmacological effects (3)
1)anti-inflamm, analgesia, antipyretic
2)non-selective COX inhibitor
3)ALSO inhibits PLA2
Fenamates therapeutic uses (2)
1)short term treatment of arthritis and acute pain
2)should NOT be used for more than 1 week
Celecoxib therapeutic uses (2)
1)RA/OA if pt experiences GI problems w/ other NSAIDS
2)reduces occurrence of colon polyps
T/F?
a)ASA was first drug used therapeutically to treat pain and inflammation
b)COX1 is found primarily in areas of inflammation
c)Sulindac is a prodrug that is metabolized to an active metabolite
d)NSAIDs produce an antipyretic effect by enhancing peripheral blood flow
a)F
b)F
c)T
d)T
T/F?
a)Morphine has a lower potency and a greater efficacy than ASA
b)APAP is a COX3 inhibitor
c)Etodolac has much longer therapeutic duration of action than Piroxicam
d)Celebrex has been shown to inrease the occurrence of colon polyps
a)F
b)T
c)F
d)F
Morphine structural features (4)
1)A,B,C,D,E rings
2)1 phenolic OH
3)D ring is a piperidine ring making it basic (forming salts)
4)ring C is L-cyclic (one double bond)
MorphinAN difference from morphine (2)
1)NO E RING
2)loss on NONphenolic OH
Morphine is based on...
Phenanthrene
Narcotic def.
binds centrally to relieve constant chronic pain
4 different opoid receptors (and which 2 do narcotics bind to)
1)mu***
2)kappa***
3)delta
4)sigma
Codeine is...
3-methoxy morphine
DXM is..
3-methoxy derivative of (+)dextro-levorphanol
4 most important things in opoid structure (and which is not so necessary)
1)ring D
2)ring A
3)N
4)phenolic OH (not so necessary)
Benzomorphans difference from morphine?
NO ring C/E
4-phenylpiperidines
a)difference from morphine
b)2 ex
a)A/D ring only
b1)axial-4-phenyl
b2)equatorial-4-phenyl
Methadone difference from morphine (3)
1)no piperidine ring
2)ring folds to make a pseudopiperidine ring
3)has a dimethyl amino
What is heroin? and why so addictive
3-6 acetyl morphine

nonpolar so goes strait to brain
Meperidine
a)difference from morphine
b)typical use
a)4-phenyl piperidine ESTER
b)short acting analgesic commonly used in child birth
Pentazocine difference from morphine (3)
a)benzomorphone
b)A,B,D rings only
c)has dimethylallyl group
dimethylallyl group fxn
imparts agonist/antagonist effects
Fentanyl properties (2)
1)anilido/aniline group
2)80x more potent than morphine