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Characteristics of the clinical trials that included PRO.
| Number of trials | |
|---|---|
| Randomisation | |
| Randomised | 26 (57.8%) |
| Single-arm | 19 (42.2%) |
| Blinding status | |
| Blinded | 10 (22.2%) |
| Open-label | 35 (77.8%) |
| PRO related endpoint type | |
| Primary | 1 (2.2%) |
| Key secondary | 2 (4.4%) |
| Secondary or exploratory | 42 (93.3%) |
