| abstract |
The invention relates to a pharmaceutical preparation of a protein with t-PA activity, with an enzymatic activity of at least 0.25 MU/ml and a pH of 4.5 to 9, containing a substance from the group citric acid, ascorbic acid, 2-oxoglutaric acid, fumaric acid, tris and EDTA in a concentration of at least 0.2 mol/l, and to a drug based on a protein with t-PA activity and a process for producing it. |