From: The efficacy and safety of combination of PD-1 and CTLA-4 inhibitors: a meta-analysis
Study | Random sequence generation | Allocation concealment | Blinding of participants and researchers | Blinding of outcome assessment | Incomplete outcome data | Selective reporting |
---|---|---|---|---|---|---|
Alliance A091401 | √ | √ | × | × | √ | √ |
Checkmate 032 | √ | √ | × | √ | √ | √ |
Checkmate 067 | √ | √ | √ | √ | √ | √ |
Checkmate 069 | √ | √ | √ | √ | √ | √ |
Checkmate 214 | √ | √ | × | × | √ | √ |
Checkmate 227 | √ | √ | × | × | √ | √ |
NCT02374242 | √ | √ | × | × | √ | √ |
Checkmate 143 | √ | √ | × | × | √ | √ |