| abstract |
The present invention is a kind of method for preparing pharmaceutical composition, described pharmaceutical composition is the mixture comprising at least one effective component and at least one pharmaceutically acceptable excipient, the method is to be squeezed out mixture by extrusion device, and gained extrudate is cut, obtain pharmaceutical composition, its feature is, it weighs to described pharmaceutical composition, except the weight of described pharmaceutical composition is in preset range, adjust at least one parameter for influencing the extrusion device of prepared pharmaceutical composition weight, so that the weight that the pharmaceutical composition then produced has is within the scope of presetting. |