After the 2017-190703 batch of cilastatin sodium freeze-drying process was completed and before the next batch of production, the eighth step (-5 ℃, 0.28mbar, 9h) was changed back to the eighth step (-5 ℃, 0.28mbar, 15h ).
The eighth step (- 5 ℃, 0.28mbar, 9h) was changed back to the eighth step (- 5 ℃, 0.28mbar, 15h) after the completion of the freeze-drying process of cilastatin sodium in 2017-190703 batch and before the next batch.<br>