Characterisation of non motor patterns and treatment effect. An international study. A. Rizos1, B. Kessel2, P. Martinez-Martin3, P. Odin4,5, A. Antonini6, A. Martin1, I. Koch1, T. Klemencic Kozul1, A. Douiri7,8, P. Reddy1, S. Robinson1, C. Falup-Pecurariu9, S. Lindvall10 and K. Ray Chaudhuri1,11 on behalf of EUROPAR and EPDA. 1King's College Hospital, London, UK; 2Princess Royal University Hospital, Orpington, UK; 3Carlos III Institute of Health and Alzheimer Centre Reina Sofia Foundation, Madrid, Spain; 4Klinikum Reinkenheide, Bremerhaven, Germany; 5University Hospital, Lund, Sweden; 6RCCS San Camillo Venice and University of Padua, Venice, Italy; 7Primary Care And Public Health Sciences, King's College London, London, UK; 8NIHR cBRC, Guy's and St Thomas' NHS Trust and King's College London, London, UK; 9Transylvania University, Brasov, Romania; 10European Parkinson's Disease Association (EPDA), London, UK and 10University Hospital Lewisham, London, UK;