Methods: Thirty-four patients with PD in medium-stage of disease were randomized into two groups: 17 underwent Multidisciplinary-Intensive-Rehabilitation-Treatment (MIRT) and 17 underwent MIRT associated with aquatic therapy protocol (MIRT-AT). Investigators assessed the Berg Balance Scale (BBS), Unified Parkinson's Disease Rating Scale (UPDRS) II-III, and Timed Up Go test (TUG) in both groups at admission, discharge and after a 6-months follow-up period.