Is Levodopa Response a Valid Indicator of Parkinson's Disease?
W R Wayne MartinMichael MilesQiaonan ZhongJohanna HartleinBrad A RacetteScott A NorrisMwiza UsheBaijayanta MaitiSusan CriswellAlbert A DavisPaul T KotzbauerNigel J CairnsRichard J PerrinJoel S PerlmutterPublished in: Movement disorders : official journal of the Movement Disorder Society (2020)
A substantial response to dopaminergic therapy is frequent but not universal in PD. An absent response does not exclude PD. In other neurodegenerative disorders associated with parkinsonism, a prominent response may also be evident, but this occurs less frequently than in PD. © 2020 International Parkinson and Movement Disorder Society.