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Characteristics of the trials used in this study
| Trials | 24 |
| Arms in each trial | |
| 2 | 22 |
| 3 | 2 |
| Phase of trial | |
| Phase III | 14 |
| Randomized phase II | 10 |
| Publication status | |
| Published | 19 |
| Unpublished | 5 |
| Treatment line | |
| First | 16 |
| Second | 8 |
| Control arm | |
| Placebo | 12 |
| Doxorubicin | 2 |
| Sorafenib | 10 |
| Arms | 50 |
| Patients in each arm | |
| Median | 134.5 |
| Range | 19–578 |
