COMPOSITIONS A BASE D'UN AGONISTE DU RECEPTEUR AUX OPIACES DELTA / ANTAGONISTE DU RECEPTEUR AUX OPIACES MU, ET PROCEDES DE TRAITEMENT DE LA MALADIE DE PARKINSON
The present invention provides for compositions and methods for the treatment of Parkinson's disease comprising a compound of formula (i): or a pharmaceutically effective salt or ester thereof alone or in combination with L-DOPA to provide a synergistic effect, thereby providing methods of (1) treating patients with Parkinson's Disease for whom L-DOPA is no longer effective, (2) treating patients with Parkinson's Disease who developed dyskinesia due to L-DOPA, (3) treating patients with Parkinson's Disease who have are receiving deep brain stimulation and (4) treating patients with Parkinson's Disease whose symptoms interfere with activities of daily living.