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PTherapeutics I T2 Parkinson's Drugs
Parkinson's Drugs
66
Pharmacology
Professional
04/03/2011

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Cards

Term
In younger patients, ________ are first line.
Definition
Dopamine agonists
Term
In PTs older than 75, ________ can cause hallucinations and orthostatic hypotension
Definition
Dopamine agonists
Term
Dopamine Agonists may take _____ to show effects.
Definition
4-8 weeks
Term
If combined with Levadopa, Dopamine agonists affect LDopa by _______ LDopa's dose by ______
Definition
reducing 20-30%
Term
Which Dopamine agonist had patches which were withdrawn from the market?
Definition
Rotigotine
Term
What are the currently used Dopamine Agonists?
Definition
Nonergot: Pramipexole, Ropinirole (PraRo)
Ergot:Bromocriptine
Apomorphine
Term
What advantages do Dopamine Agonists have over LDopa?
Definition
longer t1/2 and less frequent dosing
Term
What drug(s) is/are associated with pulmonary fibrosis and cardiac valve fibrosis?
Definition
The Ergot Dopamine Agonist, Bromocriptine.
Term
Postural hypotension, psychosis, vivid dreams, compulsive behavior, lower extremity edema, sleep attacks and nausea are AEs of _____
Definition
Dopamine Agonists
Term
Apomorphine is available as _______
Definition
SC injection
Term
_____ is/are used in PTs with advanced PD for intermittent tx of hypomobility and as needed for rescue
Definition
Apomorphine
Term
Due to Apomorphine's significant SE of ______, ______ drugs should be started _______ beforehand and continued for _____
Definition
N/V; antiemetic (trimethobenzamide) 3 days prior for 2 mos.
Term
For Apomorphine's side effect of _______, ________ should not be used due to _______
Definition
N/V; 5HT antagonists should not be used due to severe hypotension.
Term
______ is the most effective agent and is Dopamine's immediate precursor.
Definition
LDopa
Term
Levodopa takes _____ to work
Definition
days
Term
_________ helps prevent peripheral Ldopa conversion do Dopamine
Definition
Carbidopa
Term
Carbidopa increases _________, and reduces ________
Definition
increases cerebral LDopa bioavailability; decreases peripheral DA AEs
Term
_______ of Carbidopa are needed to saturate Dopa decarboxylase
Definition
70-100mg
Term
LDopa-Carbidopa combo dosage forms are _______
Definition
ODT, IR, and SR.
Term
LDopa-Carbidopa in ____ dosage form should be taken _____ prior to meals and _____ after
Definition
IR; 30 min prior & 60 min after
Term
LDopa-Carbidopa in _____ dosage form should be taken with food. Additionally, it has no added benefit for_____
Definition
SR. no benefit for motor complications.
Term
LDopa-Carbidopa is contraindicated in______
Definition
glaucoma and malignant melanoma
Term
When discontinuing carbidopa-LDopa, _____ dosing.
Definition
taper
Term
Which drug(s) may cause hallucinations, psychosis, motor complications (incl fluctuations & dyskinesias), orthostatic hypotension, as well as Nausea, sedation and confusion?
Definition
Ldopa-Carbidopa
Term
What may be done to counteract LDopa's wearing off?
Definition
Add a DA agonist, increase DA frequency, add "LDopa extenders", e.g. COMTI, MAOB, to reduce LDopa breakdown.
Term
"Delayed-On" or "No-On" response to LDopa may be treated by ______.
Definition
adding a DA agonist.
Term
LDopa, off-period dystonias, which are sustained muscle contractions (esp in the foot) can be treated with ________
Definition
sustained release pdts
Term
Freezing, a fluctuation event in LDopa therapy, can be tx'd non pharmacologically or with ________
Definition
increasing dose, DA agonists
Term
Concerning DA agonists vs LDopa, _______ is preferred in younger PTs due to less motor fluctuations, and ______ is preferred in elderly patients due to hallucinations and orthostatic hypotension.
Definition
DA agonist in young, LDopa in elderly.
Term
In general, should DA agonists or LDopa be used first?
Definition
DA Agonists, as DA agonists can delay need for LDopa for 4-5 years as well as reducing likelihood of dyskinesias and motor fluctuation down the road when LDopa tx is started.
Term
Which drug(s) decrease cholinergic activity to control tremor?
Definition
The anticholinergics: Benztropine and Trihexyphenidyl
Term
The Anticholinergics should be used in younger PTs with ______ and ______ in older PTs
Definition
used in younger PTs with good cognitive function, avoided in older
Term
The anticholinergics have (low/high) effectiveness and (can be stopped immediately/should be tapered)
Definition
low; should be tapered
Term
what specific symptom do the anticholinergics treat?
Definition
tremor
Term
Blurred vision, dry mouth, urinary retention, memory difficulty, confusion, sedation, changes in mental status and constipation are side effects of _____
Definition
anticholinergics
Term
What are the MAOB-I's?
Definition
Selegiline and Rasagiline
Term
Selegiline may cause Serotonin Syndrome due to interaction with _______
Definition
5HT agonists
Term
Selegeline has a ______ metabolite
Definition
active L-amphetamine
Term
which medication can cause hallucinations, jitteriness, insomnia, worsen dyskinesias and have speech symptoms?
Definition
Selegiline
Term
Selegiline is available as ______dosage form(s)
Definition
transbuccal and transdermal
Term
Selegiline (has/has no) low-dose tyramine restrictions.
Definition
has no restrictions under 2.5 mg
Term
Selegiline (does/does not) undergo 1st pass metabolism
Definition
does
Term
Which dosage form(s) of Selegiline has decreased metabolite effects?
Definition
transbuccal
Term
The _____ dosage form of selegiline has food restrictions of _____ (time frame)
Definition
transbuccal; no food 5 minutes before or after dose.
Term
The _____ dosage form of selegiline has food restrictions of _____
Definition
transbuccal; no food 5 minutes before or after dose.
Term
Which MAOB-I has more potency?
Definition
Rasagiline
Term
Rasagiline may be effective up to_____
Definition
5 years
Term
Which drugs are the COMT-I's?
Definition
Tolcapone and Entacopone
Term
Which drug class has an MoA of decreasing L-Dopa degradation and increasing its halflife 1.5-2x?
Definition
COMT-I's; Entacapone and Tolcapone
Term
Which drug(s) modestly improve motor sx and disability in advanced PD?
Definition
COMTI's: Tolcapone, Entacapone
Term
The COMT-I's may be used (in monotherapy and with LDopa/only with LDopa)?
Definition
Only with LDopa
Term
_____ may cause liver failure and death, and should thus have liver function monitored closely?
Definition
Tolcapone
Term
_______ may cause diarrhea, dyskinesias and abdominal pain
Definition
Entacapone
Term
_______ modestly improves the symptoms of bradykinesia, rigidity, tremor as well as helping with LDopa's dyskinesias.
Definition
Amantadine
Term
Which drug may cause Tachyphylaxis in 4-8 wks time? What is Tachyplaxis?
Definition
Amantadine; tachyphylaxis is the rapid decrease in response over a short time, where no increase in dose has an effecT)
Term
Which drug should be avoided in PTs with renal dysfunction, and (unrelated to renal dysfunction) has SEs of livedo reticularis, xerostomia, confusion and dizziness?
Definition
Amantadine
Term
Which drug should be tapered, else risk rebound parkinsons?
Definition
Amantadine
Term
Which class of drugs may be used for pharmacologically caused hallucinations?
Definition
atypical antipsychotics
Term
For psychomotor agitation, _____ may be used.
Definition
Quetiapine and clozapine
Term
Which antipsychotics should be avoided in the event of psychomotor agitation?
Definition
The DA-2 blockers (haloperidol, chlorpromazine, perphenazine)
Olanzapine and Risperidone may exacerbate PD.
Term
To alleviate agitation, L-Dopa dosing may be temporarily_______
Definition
reduced
Term
To treat dyskinesias caused by L-Dopa, part of the dose may be substituted with_______
Definition
dopamine agonist
Term
what other drugs may be added to L-Dopa to aid with Dyskinesias?
Definition
amantadine or COMT-I's
Term
How may the secondary hallucinations be pharmacologically treated?
Definition
atypical antipsychotics
Term
____can be tried in the case of Dementia in Parkinsons
Definition
Cholinesterase Inhibitors
Term
What drug may be used to treat Depression in Parkinsons?
Definition
SSRIs, but be careful if PT is on MAOIs
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