Pharmacological Interventions Flashcards
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Read the first 7 Pharmacological Interventions flashcards as text
Which cholinesterase inhibitor is approved for all stages of Alzheimer's disease, including severe?
Answer: Donepezil
Donepezil (Aricept) is the only cholinesterase inhibitor FDA-approved for mild, moderate, and severe Alzheimer's disease.
A patient taking donepezil reports vivid nightmares. The best initial recommendation is to:
Answer: Administer the dose in the morning instead of at night
Switching donepezil from an evening to a morning dose often resolves vivid dreams, a known side effect, without stopping therapy.
Memantine's mechanism of action is best described as:
Answer: Blocking NMDA glutamate receptors to reduce excitotoxicity
Memantine is an NMDA receptor antagonist that reduces glutamate-mediated excitotoxicity, which contributes to neuronal damage in Alzheimer's.
Which combination therapy is FDA-approved as a single capsule for moderate-to-severe Alzheimer's disease?
Answer: Donepezil + memantine
Namzaric is the FDA-approved fixed-dose combination of donepezil and memantine for moderate-to-severe Alzheimer's disease.
Galantamine's dual mechanism of action includes acetylcholinesterase inhibition and:
Answer: Nicotinic receptor allosteric modulation
Galantamine uniquely allosterically modulates nicotinic acetylcholine receptors in addition to inhibiting acetylcholinesterase.
A patient with Alzheimer's and severe dysphagia cannot swallow pills. Which formulation allows transdermal delivery of a cholinesterase inhibitor?
Answer: Rivastigmine transdermal patch
Rivastigmine (Exelon Patch) is available as a transdermal patch, making it suitable for patients who cannot swallow oral medications.
Before initiating lecanemab (Leqembi) therapy, which screening test is most critical due to a common serious adverse effect?
Answer: MRI brain with ARIA protocol
ARIA (amyloid-related imaging abnormalities) including edema and microhemorrhages is a major risk with anti-amyloid antibodies, so baseline MRI is mandatory.