This study is implemented to identify factors having an impact on improvement or exacerbation of non-motor symptoms, to provide information contributing to development of medical care in this field and improvement of patients' QOL, and to clarify the association between the use of istradefylline and non-motor symptoms or QOL.
Study Type
OBSERVATIONAL
Enrollment
1,021
Juntendo University Hospital
Bunkyo-ku, Tokyo, Japan
Changing of Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS)
MDS-UPDRS score will be collected from all registrant at each visit and on the last day of survey.
Time frame: 52 weeks
Changing of Parkinson's Disease Questionaire-8 (PDQ-8) score.
PDQ-8 score will be collected from all registrant at each visit and on the last day of survey.
Time frame: 52 weeks
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