The invention relates to a system for administring drug to a Parkinson's disease patient comprising a) a drug b) a storing bag for the drug, (c) a pump for administering the drug, (d) a pump controller for controlling the pump activity, the pump controller having access to a correlation of a first parameter t x and a second parameter At, and to the current first parameter t x , wherein the first parameter t x is correlated with a certain activity of the patient and the second parameter At is correlated with a dosage of the drug and the pump controller controls the pump activity in dependence of the first parameter t x and the correlation, and/or wherein the system comprises (e) a storing bag the the drug suitable for pre-filling and long-term oxidations-free storage having a multi layer wall with the internal layer made of EVA or cyclic polyolefines and at least one further layer made of EVOH.
