| abstract |
The invention provides a liquid preparation of a HER2 antibody. The HER2 antibody liquid formulation includes a HER2 antibody, histidine-histidine hydrochloride buffer, mannitol, polysorbate, and balance water. The liquid preparation has good stability, can remarkably reduce the aggregation tendency of HER2 antibody protein, and keeps the particle aggregation level of the preparation at low level of nano, micron and visible foreign matters. |