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renal cell cancer (RCC), nivolumab plus cabozantinib , meta-analysis of study results

Outcome Relative effect 95%CI LoD Trt. better when I2 k (RCT/OBS) Bayesian probability Overall ROB Publication bias Degree of certainty Endpoint importance Published MA

efficacy endpoints 00

deaths (OS) 0.60 [0.40, 0.89]< 10%1 study (1/-)99.4 %NAnot evaluable crucial-
deaths (OS) (extension) 0.70 [0.55, 0.90]< 10%1 study (1/-)99.8 %NAnot evaluable important-
PFS (extension) 0.56 [0.46, 0.68]< 10%1 study (1/-)100.0 %NAnot evaluable important-
progression or deaths (PFS) 0.51 [0.41, 0.64]< 10%1 study (1/-)100.0 %NAnot evaluable important-
objective responses (ORR) 3.38 [2.44, 4.69]> 10%1 study (1/-)100.0 %NAnot evaluable non important-
objective responses (ORR) (extension) 3.18 [2.30, 4.40]> 10%1 study (1/-)100.0 %NAnot evaluable non important-

safety endpoints 00

TRAE (any grade) 2.14 [1.02, 4.46]< 10%1 study (1/-)2.1 %NAnot evaluable non important-
TRAE leading to death (grade 5) 0.51 [0.05, 5.61]< 10%1 study (1/-)70.9 %NAnot evaluable non important-
TRAE leading to discontinuation (any grade) 1.84 [1.13, 3.00]< 10%1 study (1/-)0.7 %NAnot evaluable non important-

LoD: level of statistical demonstration: Statistically conclusive: statistically significant with a strict control of overall risk of type 1 error (statistically demonstrated), does not take into account the risk of bias; suggested: nominally statistically significant but without a strict control of overall risk of type 1 error; inconclusive: not nominally statistically significant; safety concerns;
Bayesian probability: Bayesian posterior probability of treatment effect (computed with a noninformative prior); ROB: risk of bias; k: number of studies; published MA: number of published meta-analysis on the same topic; degree of certainty adapted from GRADE. Trt. better when: indicates when the relative treatment effect shows that the studied treatment is better than control.