The pH of tropisetron in mixtures with methylprednisolone sodium succinate in 0.9% sodium chloride injection after storage at 4°C and 25°C (mean±SD; n=3)
| Time (hours) | Tropisetron (0.05 mg/mL)+methylprednisolone sodium succinate (0.4 mg/mL) | Tropisetron (0.05 mg/mL)+methylprednisolone sodium succinate (0.8 mg/mL) | ||
| 4°C | 25°C | 4°C | 25°C | |
| 0 | 7.04±0.1 | 7.04±0.4 | 7.28±0.1 | 7.25±0.6 |
| 2 | 7.04±0.3 | 7.02±0.2 | 7.22±0.2 | 7.17±0.4 |
| 4 | 7.06±0.5 | 7.01±0.1 | 7.18±0.4 | 7.14±0.3 |
| 6 | 7.03±0.2 | 6.98±0.2 | 7.16±0.6 | 7.13±0.5 |
| 8 | 7.02±0.6 | 6.99±0.5 | 7.12±0.4 | 7.01±0.4 |
| 24 | 6.99±0.3 | 6.95±0.4 | 7.08±0.3 | 7.02±0.3 |
| 48 | 7.06±0.2 | 7.05±0.3 | 7.12±0.2 | 7.06±0.2 |