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pirotte Pharm
pharm of parkinsons
65
Other
Not Applicable
09/08/2005

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Cards

Term
action of l-dopa
Definition
dopamine precursor
Term
action of carbidopa
Definition
inhibits DOPA-decarbox
Term
action of bromocriptine
Definition
D1/D2 ag
Term
action of pramipexole
Definition
D3/D2 ag
Term
action of ropinirole
Definition
D2/D3 ag
Term
action of selegiline
Definition
MAO-Bi
Term
action of talcapone
Definition
COMTi
Term
action of ammantadine
Definition
DA releaser
Term
action of benztropine
Definition
musc antag
Term
hl of l-dopa
Definition
1-3h
Term
hl of sinemet
Definition
1-3h
Term
hl of bromocriptine
Definition
3h
Term
hl of pramipexole
Definition
8h
Term
hl of ropinirole
Definition
6h
Term
hl of selegiline
Definition
1-3h
Term
hl of talcapone
Definition
2-3h
Term
hl of ammantadine
Definition
2-4h
Term
elim of l-dopa
Definition
decarbox
Term
elim of sinemet
Definition
decarbox
Term
elim of bromocriptine
Definition
I/II
Term
elim of pramipexole
Definition
unchanged in urine
Term
elim of ropinirole
Definition
CYP450-1A2
Term
elim of talcapone
Definition
glucuronidation
Term
elim of ammantadine
Definition
unchanged in urine
Term
benefit of l-dopa
Definition
replenish DA
Term
benefit of bromocriptine
Definition
alternative to sinemet
Term
benefit of pramipexole
Definition
reduce on/off
Term
benefit of ropinirole
Definition
reduce on/off
Term
benefit of selegiline
Definition
early rx
Term
benefit of talcapone
Definition
prolong l-dopa
Term
benefit of ammantadine
Definition
early rx
Term
benefit of benztropine
Definition
alt to sinemet
Term
where is DA input lost in PD
Definition
caudate-putamen
Term
when do sx of PD occur?
Definition
after 60-80 of nigral DA cell bodies are out
Term
4 major sx of PD
Definition
tremor, bradykinesia, rigidity, postural defect
Term
mech of inheritance of Huntington's
Definition
auto dom
Term
where is most of the cell degredation in HD?
Definition
neostriatum
Term
2 major sx of HD
Definition
chorea, progressive dementia
Term
what is the meso/neostriatal system
Definition
DA projection from nigra to neostriatum
Term
what is the neostriatum?
Definition
caudate, putamen
Term
what is the role of the neostrial system
Definition
initiation and maint of movement
Term
what is the mesolimbocortical system?
Definition
DA from midbrain to limbic/cortical structures
Term
what is the role of the mesolimbocortical system?
Definition
regulation of cognitive/emotional processes
Term
what is the hypothalamo-hypophyseal system?
Definition
hypothal DA neurons releasing DA into portal system
Term
what is the chemoreceptor trigger zone?
Definition
DA in area postrema induces N+V
Term
what two parts of the dopamine system are affected in PD?
Definition
neostriatal, mesolimbocortical (sometimes)
Term
what is the source of most symptomes of PD?
Definition
disinhibition of the indirect movement inhibitory pathway: striatal-pallidal-subthal-pallidal-thal-cortical loop
Term
course of PD treatment (general classes)
Definition
MAOi, DA releaser, DA ag, DA precursor, COMTi
Term
SE of l-dopa
Definition
dyskinesia, confusion/delirium, hallucinations, paranoia, anx, n+v
Term
other clinical uses of l-dopa
Definition
elevated GH, PRL
Term
why should l-dopa not be taken w/ food?
Definition
competes w/ aa transporters, inhibited by low gastric pH
Term
max course of l-dopa?
Definition
5-8 years
Term
other clinical uses of bromocriptine?
Definition
hyperprolactinemia
Term
problem with oral admin of bromocriptine?
Definition
large first pass effect
Term
bromocriptine and albumin?
Definition
90-96%
Term
SE of bromocriptine
Definition
anorexia, n+v, hypoTN, arryth, dyskinesis, psych
Term
SE of amantadine
Definition
restlessness, insom, irritable, conf; enhanced effects of anti-cholinergics
Term
active metabolite of selegiline
Definition
ampthetamine
Term
SE of talcapone
Definition
hep tox
Term
striatal NT in indirect pathway
Definition
GABA, Enk
Term
striatal NT in direct pathway
Definition
GABA, SubP
Term
striatal NT in interneurons
Definition
ACh
Term
DR in direct pathway
Definition
D1 activates
Term
DR in indirect pathway
Definition
D2 inhibits
Term
DR in interneuron pathway
Definition
D2 inhibits
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