AFFiRiS has announced the start of the pre-clinical development of its first Parkinson’s vaccine PD01. The vaccine will be investigated for efficacy (”proof of concept”) in Parkinson models. On successful conclusion of this preclinical evaluation, initial clinical testing could start in 2010/11. The Parkinson’s vaccine specifically targets the alpha-synuclein (alpha-syn) protein, which is considered to be a key contributory element in Parkinson’s disease. There is clear scientific evidence that the concentration and enrichment of alpha-syn in the brain are contributing factors in the progression of Parkinson’s disease.