Degradation of Protein A Stored in Prefillable Syringes for 1 Year
| Sample | Percent Degradation (RP-HPLC) | Percent Degradation (IEX) |
|---|---|---|
| Control | 7.06 ± 0.24 | 7.49 ± 0.06 |
| Glass—5 °C | 6.78 ± 0.68 | 7.42 ± 0.71 |
| CZA—5 °C | 6.55 ± 0.46 | 6.99 ± 0.41 |
| CZE—5 °C | 6.46 ± 0.23 | 7.00 ± 0.15 |
| Glass—25 °C | 14.08 ± 0.60 | 12.55 ± 0.29 |
| CZA—25 °C | 12.76 ± 0.53 | 11.76 ± 0.77 |
| CZE—25 °C | 12.04 ± 0.11 | 11.49 ± 0.04 |