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urothelial cancer (UC) - bladder cancer (BC), immune chekpoint inhibitors versus gemcitabine plus platin, 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) 0.92 [0.84, 1.01]< 13%4 studies (4/-)96.1 %some concernnot evaluable moderatecrucial-
progression or deaths (PFS) 0.89 [0.67, 1.18]< 166%3 studies (3/-)79.2 %some concernnot evaluable moderateimportant-
DOR 0.32 [0.21, 0.49]< 143%3 studies (3/-)100.0 %some concernnot evaluable moderatenon important-
objective responses (ORR) 0.59 [0.31, 1.13]> 194%4 studies (4/-)5.6 %some concernnot evaluable moderatenon important-

safety endpoints 00

AE (any grade) 0.14 [0.05, 0.40]< 10%1 study (1/-)100.0 %NAnot evaluable non important-
AE (grade 3-4) 0.29 [0.12, 0.71]< 195%3 studies (3/-)99.7 %some concernnot evaluable moderatenon important-
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) 2.36 [1.02, 5.43]< 167%2 studies (2/-)2.2 %some concernnot evaluable moderatenon important-
AE leading to treatment discontinuation (any grade) 0.72 [0.23, 2.24]< 197%4 studies (4/-)71.3 %some concernnot evaluable moderatenon important-
SAE (any grade) 1.10 [0.71, 1.70]< 184%3 studies (3/-)33.9 %some concernnot evaluable moderatenon important-
STRAE (any grade) 0.78 [0.42, 1.48]< 190%4 studies (4/-)77.3 %some concernnot evaluable moderatenon important-
TRAE (any grade) 0.14 [0.06, 0.34]< 190%3 studies (3/-)100.0 %some concernnot evaluable moderatenon important-
TRAE (grade 3-4) 0.19 [0.05, 0.77]< 198%4 studies (4/-)99.0 %some concernnot evaluable moderatenon important-
TRAE leading to death (grade 5) 1.12 [0.42, 2.98]< 10%4 studies (4/-)41.0 %some concernnot evaluable moderatenon important-
TRAE leading to discontinuation (any grade) 0.78 [0.28, 2.17]< 188%2 studies (2/-)68.3 %some concernnot evaluable moderatenon important-

TRAE (grade 3-4) endpoints 00

Abdominal pain TRAE (grade 3-4) 2.15 [0.19, 24.47]< 10%2 studies (2/-)27.1 %some concernnot evaluable moderatenon important-
Acute kidney injury TRAE (grade 3-4) 1.59 [0.24, 10.48]< 10%2 studies (2/-)31.6 %some concernnot evaluable moderatenon important-
Adrenal insufficiency TRAE (grade 3-4) 2.89 [0.42, 20.04]< 10%3 studies (3/-)14.2 %some concernnot evaluable moderatenon important-
Alopecia TRAE (grade 3-4) 1.36 [0.10, 17.71]< 10%2 studies (2/-)40.9 %some concernnot evaluable moderatenon important-
Anaemia TRAE (grade 3-4) 0.10 [0.01, 0.75]< 195%4 studies (4/-)98.7 %some concernnot evaluable moderatenon important-
Arthralgia TRAE (grade 3-4) 2.85 [0.26, 30.86]< 10%2 studies (2/-)19.6 %some concernnot evaluable moderatenon important-
Arthritis TRAE (grade 3-4) 1.36 [0.10, 17.75]< 10%2 studies (2/-)40.8 %some concernnot evaluable moderatenon important-
Asthenia TRAE (grade 3-4) 0.67 [0.37, 1.19]< 10%4 studies (4/-)91.4 %some concernnot evaluable moderatenon important-
Blood creatinine increased TRAE (grade 3-4) 0.46 [0.04, 5.04]< 10%2 studies (2/-)73.7 %some concernnot evaluable moderatenon important-
Colitis TRAE (grade 3-4) 2.63 [0.49, 14.17]< 10%3 studies (3/-)13.1 %some concernnot evaluable moderatenon important-
Constipation TRAE (grade 3-4) 0.68 [0.09, 4.89]< 10%3 studies (3/-)65.0 %some concernnot evaluable moderatenon important-
Decreased appetite TRAE (grade 3-4) 0.72 [0.29, 1.75]< 10%4 studies (4/-)76.8 %some concernnot evaluable moderatenon important-
Diabetes TRAE (grade 3-4) 1.55 [0.20, 12.06]< 10%3 studies (3/-)33.7 %some concernnot evaluable moderatenon important-
Diarrhoea TRAE (grade 3-4) 1.12 [0.50, 2.52]< 119%3 studies (3/-)38.8 %some concernnot evaluable moderatenon important-
Dyspnoea TRAE (grade 3-4) 2.15 [0.19, 24.47]< 10%2 studies (2/-)27.1 %some concernnot evaluable moderatenon important-
Fatigue TRAE (grade 3-4) 0.64 [0.33, 1.23]< 14%4 studies (4/-)90.9 %some concernnot evaluable moderatenon important-
Febrile neutropenia TRAE (grade 3-4) 0.24 [0.04, 1.44]< 10%2 studies (2/-)94.1 %some concernnot evaluable moderatenon important-
Gastritis TRAE (grade 3-4) 1.36 [0.10, 17.75]< 10%2 studies (2/-)40.8 %some concernnot evaluable moderatenon important-
Guillain-Barré syndrome TRAE (grade 3-4) 1.36 [0.10, 17.71]< 10%2 studies (2/-)40.9 %some concernnot evaluable moderatenon important-
Hepatitis TRAE (grade 3-4) 2.88 [0.44, 18.77]< 10%3 studies (3/-)13.6 %some concernnot evaluable moderatenon important-
Hypersensitivity TRAE (grade 3-4) 0.46 [0.04, 5.04]< 10%2 studies (2/-)73.7 %some concernnot evaluable moderatenon important-
Hyperthyroidism TRAE (grade 3-4) 1.24 [0.14, 10.64]< 10%3 studies (3/-)42.3 %some concernnot evaluable moderatenon important-
Hypophysitis TRAE (grade 3-4) 3.78 [0.59, 24.42]< 10%3 studies (3/-)8.2 %some concernnot evaluable moderatenon important-
Hypothyroidism TRAE (grade 3-4) 2.71 [0.40, 18.39]< 10%3 studies (3/-)15.5 %some concernnot evaluable moderatenon important-
Increase AST TRAE (grade 3-4) 1.36 [0.38, 4.94]< 10%2 studies (2/-)31.9 %some concernnot evaluable moderatenon important-
Increased ALT TRAE (grade 3-4) 2.76 [0.55, 13.71]< 10%2 studies (2/-)10.8 %some concernnot evaluable moderatenon important-
Increased lipase level TRAE (grade 3-4) 10.14 [2.36, 43.58]< 10%2 studies (2/-)0.1 %some concernnot evaluable moderatenon important-
Infusion-related reactions TRAE (grade 3-4) 0.91 [0.06, 14.64]< 10%2 studies (2/-)52.5 %some concernnot evaluable moderatenon important-
Leucopenia TRAE (grade 3-4) 0.14 [0.01, 1.41]< 173%3 studies (3/-)95.2 %some concernnot evaluable moderatenon important-
Myocarditis TRAE (grade 3-4) 2.08 [0.29, 15.06]< 10%3 studies (3/-)23.5 %some concernnot evaluable moderatenon important-
Myositis TRAE (grade 3-4) 1.23 [0.14, 10.56]< 10%3 studies (3/-)42.5 %some concernnot evaluable moderatenon important-
Nausea TRAE (grade 3-4) 0.28 [0.07, 1.10]< 144%4 studies (4/-)96.5 %some concernnot evaluable moderatenon important-
Nephritis TRAE (grade 3-4) 2.43 [0.36, 16.23]< 10%3 studies (3/-)18.1 %some concernnot evaluable moderatenon important-
Neutropenia TRAE (grade 3-4) 0.04 [0.00, 0.95]< 190%4 studies (4/-)97.5 %some concernnot evaluable moderatenon important-
Pancreatitis TRAE (grade 3-4) 2.71 [0.40, 18.39]< 10%3 studies (3/-)15.5 %some concernnot evaluable moderatenon important-
Pancytopenia TRAE (grade 3-4) 0.11 [0.01, 0.91]< 10%2 studies (2/-)97.9 %some concernnot evaluable moderatenon important-
Pneumonitis TRAE (grade 3-4) 2.81 [0.56, 14.10]< 10%3 studies (3/-)10.5 %some concernnot evaluable moderatenon important-
Pruritic rash TRAE (grade 3-4) 1.36 [0.10, 17.75]< 10%2 studies (2/-)40.8 %some concernnot evaluable moderatenon important-
Pruritus TRAE (grade 3-4) 2.91 [0.56, 15.17]< 10%4 studies (4/-)10.3 %some concernnot evaluable moderatenon important-
Pyrexia TRAE (grade 3-4) 0.62 [0.12, 3.24]< 10%2 studies (2/-)71.6 %some concernnot evaluable moderatenon important-
Rash TRAE (grade 3-4) 4.56 [1.16, 18.02]< 10%4 studies (4/-)1.5 %some concernnot evaluable moderatenon important-
Sarcoidosis TRAE (grade 3-4) 0.98 [0.02, 49.53]< 10%1 study (1/-)50.4 %NAnot evaluable non important-
Sepsis TRAE (grade 3-4) 0.69 [0.08, 5.93]< 10%2 studies (2/-)63.1 %some concernnot evaluable moderatenon important-
Severe skin reaction TRAE (grade 3-4) 3.99 [0.84, 18.92]< 10%1 study (1/-)4.1 %NAnot evaluable non important-
Stevens-Johnson syndrome TRAE (grade 3-4) 1.36 [0.10, 17.71]< 10%2 studies (2/-)40.9 %some concernnot evaluable moderatenon important-
Stomatitis TRAE (grade 3-4) 1.36 [0.10, 17.75]< 10%2 studies (2/-)40.8 %some concernnot evaluable moderatenon important-
Thrombocytopenia TRAE (grade 3-4) 0.09 [0.01, 0.82]< 183%4 studies (4/-)98.3 %some concernnot evaluable moderatenon important-
Thyroiditis TRAE (grade 3-4) 1.23 [0.14, 10.57]< 10%3 studies (3/-)42.5 %some concernnot evaluable moderatenon important-
Vomiting TRAE (grade 3-4) 0.54 [0.16, 1.82]< 141%3 studies (3/-)84.1 %some concernnot evaluable moderatenon important-

AE (grade 3-4) endpoints 00

Anaemia AE (grade 3-4) 0.08 [0.05, 0.13]< 10%1 study (1/-)100.0 %NAnot evaluable non important-
Asthenia AE (grade 3-4) 0.51 [0.24, 1.10]< 10%1 study (1/-)95.7 %NAnot evaluable non important-
Fatigue AE (grade 3-4) 0.22 [0.09, 0.54]< 10%1 study (1/-)99.9 %NAnot evaluable non important-
Febrile neutropenia AE (grade 3-4) 0.05 [0.00, 0.92]< 10%1 study (1/-)97.7 %NAnot evaluable non important-
Hypertension AE (grade 3-4) 0.54 [0.18, 1.61]< 10%1 study (1/-)86.4 %NAnot evaluable non important-
Leucopenia AE (grade 3-4) 0.02 [0.00, 0.25]< 10%1 study (1/-)99.8 %NAnot evaluable non important-
Nausea AE (grade 3-4) 0.08 [0.01, 0.58]< 10%1 study (1/-)99.3 %NAnot evaluable non important-
Neutropenia AE (grade 3-4) 0.00 [0.00, 0.05]< 10%1 study (1/-)100.0 %NAnot evaluable non important-
Thrombocytopenia AE (grade 3-4) 0.01 [0.00, 0.10]< 10%1 study (1/-)100.0 %NAnot evaluable non important-
Vomiting AE (grade 3-4) 0.10 [0.01, 0.76]< 10%1 study (1/-)98.6 %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.