Parkinson's drugs Flashcards
movement disorders from Parkinson’s are called ______ and include tremors, rigidity
dyskinesias
Parkinson’s is due to a lack of ____ in the ____ of the brain, which controls extra-pyramidal movements
dopamine
striatum
Dopamine is produced by _____ ____ cells in the brain
substantia nigra
Dopamine cannot be given itself because it does not cross the ____ _____ ____
blood brain barrier (BBB)
The enzyme ____ ________ converts the drug L-DOPA into dopamine
DOPA decarboxylase
the drug L-DOPA is always combined with _______, which inhibits the DOPA decarboxylase enzyme outside of the BBB
L-DOPA + carbidopa = ______
carbidopa
Sinemet
adverse effects of L-dopa/carbidopa (Sinemet):
GI disturbance
on/off efficacy
drugs that imitate the action of dopamine: _____and _____
Mirapex
Requip
the drug _____ inhibits type B MAO. this prevents dopamine metabolism
AE: nausea and xerostomia
Selegiline
the drug _____ promotes the release of dopamine from the striatum
used to reduce flu symptoms
Amantadine