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urothelial cancer (UC) - bladder cancer (BC), pembrolizumab plus SoC versus platinum association, 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) 0.86 [0.72, 1.02]< 10%1 study (1/-)95.5 %NAnot evaluable crucial-
progression or deaths (PFS) 0.78 [0.65, 0.93]< 10%1 study (1/-)99.7 %NAnot evaluable important-
objective responses (ORR) 1.48 [1.10, 2.00]> 10%1 study (1/-)99.5 %NAnot evaluable non important-

safety endpoints 00

AE (grade 3-5) 1.53 [1.01, 2.33]< 10%1 study (1/-)2.3 %NAnot evaluable non important-
AE leading to death (grade 5) 3.74 [1.75, 7.95]< 10%1 study (1/-)0.0 %NAnot evaluable non important-
AE leading to treatment discontinuation (any grade) 2.02 [1.42, 2.89]< 10%1 study (1/-)0.0 %NAnot evaluable non important-
STRAE (any grade) 1.16 [0.83, 1.61]< 10%1 study (1/-)19.7 %NAnot evaluable non important-
TRAE (grade 3-4) 1.19 [0.85, 1.67]< 10%1 study (1/-)15.4 %NAnot evaluable non important-
TRAE leading to death (grade 5) 0.98 [0.14, 7.00]< 10%1 study (1/-)50.8 %NAnot evaluable non important-

TRAE (grade 3-4) endpoints 00

Adrenal insufficiency TRAE (grade 3-4) 1.96 [0.07, 58.70]< 10%1 study (1/-)35.1 %NAnot evaluable non important-
Anaemia TRAE (grade 3-4) 0.87 [0.63, 1.20]< 10%1 study (1/-)79.8 %NAnot evaluable non important-
Asthenia TRAE (grade 3-4) 0.98 [0.38, 2.50]< 10%1 study (1/-)51.7 %NAnot evaluable non important-
Colitis TRAE (grade 3-4) 1.97 [0.18, 21.78]< 10%1 study (1/-)29.2 %NAnot evaluable non important-
Constipation TRAE (grade 3-4) 0.24 [0.01, 5.43]< 10%1 study (1/-)81.1 %NAnot evaluable non important-
Decreased appetite TRAE (grade 3-4) 0.32 [0.03, 3.14]< 10%1 study (1/-)83.3 %NAnot evaluable non important-
Diabetes TRAE (grade 3-4) 1.96 [0.07, 58.70]< 10%1 study (1/-)35.1 %NAnot evaluable non important-
Diarrhoea TRAE (grade 3-4) 1.38 [0.43, 4.39]< 10%1 study (1/-)29.3 %NAnot evaluable non important-
Fatigue TRAE (grade 3-4) 0.87 [0.33, 2.28]< 10%1 study (1/-)61.3 %NAnot evaluable non important-
Hepatitis TRAE (grade 3-4) 1.96 [0.07, 58.70]< 10%1 study (1/-)35.1 %NAnot evaluable non important-
Hyperthyroidism TRAE (grade 3-4) 1.96 [0.07, 58.70]< 10%1 study (1/-)35.1 %NAnot evaluable non important-
Hypophysitis TRAE (grade 3-4) 5.92 [0.30, 118.67]< 10%1 study (1/-)12.5 %NAnot evaluable non important-
Hypothyroidism TRAE (grade 3-4) 3.94 [0.18, 87.61]< 10%1 study (1/-)19.6 %NAnot evaluable non important-
Leucopenia TRAE (grade 3-4) 0.68 [0.38, 1.24]< 10%1 study (1/-)89.7 %NAnot evaluable non important-
Myocarditis TRAE (grade 3-4) 1.96 [0.07, 58.70]< 10%1 study (1/-)35.1 %NAnot evaluable non important-
Myositis TRAE (grade 3-4) 0.98 [0.02, 49.53]< 10%1 study (1/-)50.4 %NAnot evaluable non important-
Nausea TRAE (grade 3-4) 0.85 [0.31, 2.38]< 10%1 study (1/-)61.8 %NAnot evaluable non important-
Nephritis TRAE (grade 3-4) 1.96 [0.07, 58.70]< 10%1 study (1/-)35.1 %NAnot evaluable non important-
Neutropenia TRAE (grade 3-4) 0.94 [0.67, 1.32]< 10%1 study (1/-)63.0 %NAnot evaluable non important-
Pancreatitis TRAE (grade 3-4) 3.94 [0.18, 87.61]< 10%1 study (1/-)19.6 %NAnot evaluable non important-
Pneumonitis TRAE (grade 3-4) 2.96 [0.31, 28.57]< 10%1 study (1/-)17.6 %NAnot evaluable non important-
Pruritus TRAE (grade 3-4) 5.92 [0.30, 118.67]< 10%1 study (1/-)12.5 %NAnot evaluable non important-
Rash TRAE (grade 3-4) 3.95 [0.44, 35.56]< 10%1 study (1/-)11.1 %NAnot evaluable non important-
Sarcoidosis TRAE (grade 3-4) 0.98 [0.02, 49.53]< 10%1 study (1/-)50.4 %NAnot evaluable non important-
Severe skin reaction TRAE (grade 3-4) 3.99 [0.84, 18.92]< 10%1 study (1/-)4.1 %NAnot evaluable non important-
Thrombocytopenia TRAE (grade 3-4) 0.80 [0.52, 1.24]< 10%1 study (1/-)83.8 %NAnot evaluable non important-
Thyroiditis TRAE (grade 3-4) 0.98 [0.02, 49.53]< 10%1 study (1/-)50.4 %NAnot evaluable non important-
Vomiting TRAE (grade 3-4) 1.11 [0.42, 2.90]< 10%1 study (1/-)42.0 %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.