2 (R² THIO) 10 [3 (4 R1 PIPERAZIN 1 YL)PROPYL] 10H PHENOTHIAZINE FOR TREATING A AMYLOIDOPATHY OR AN ALPHA SYNUCLEOPATHY AND METHOD FOR THE DIAGNOSIS OR PREDIAGNOSIS THEREOF
21HThe invention relates to 2 (R thio) 10 [3 (4 R piperazin 1 yl)propyl] 10 phenothiazine according to general formula I for treating a amyloidopathy or an a synucleinopathy accompanied by a cerebral protein deposit and a reduced activity of the cerebral ABCC1 transporter. The invention also relates to a method for the diagnosis or prediagnosis of a amyloidopathy or an a synucleopathy accompanied by a cerebral protein deposit and a reduced activity of the cerebral ABCC1 transporter or for determining the risk of a proband suffering from such an illness the proband already having accumulated substances transported by the cerebral ABCC1 transporter.