The aim of this study is to develop and validate a French self-questionnaire to diagnose parkinsonian primary : the Primary Parkinsonian Pain Diagnostic Questionnaire (3PDQ). It will allow clinicians to distinguish this pain from the other pain of the parkinsonian patient (whether or not related to Parkinson's disease).~The development and validation of the 3PDQ self-questionnaire will take place in 3 sequential steps:~design of the self-questionnaire~appearance validity study~validation of the self-questionnaire~Participants :~Appearance validity study: 40 painful parkinsonian patients Validation study: 200 painful parkinsonian patients (10 patients per item)~Duration of the study :~Duration of the inclusion period:~Appearance validity study : 6 months~Validity study : 20 months~Duration of participation for each patient:~Appearance validity study : about 30 min~Validity study : 3 days maximum Total duration of the study: (with results analysis): 3 years
Development and validation of a diagnosis questionnaire of parkinsonian primary pain: the Primary Parkinsonian Pain Diagnostic Questionnaire (3PDQ)