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metastatic/advanced - colorectal cancer (mCRC), atezolizumab plus cometinib , 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) 1.00 [0.73, 1.37]< 10%1 study (1/-)50.0 %NAnot evaluable crucial-
progression or deaths (PFS) 1.25 [0.94, 1.66]< 10%1 study (1/-)6.0 %NAnot evaluable important-
objective responses (ORR) 1.24 [0.24, 6.50]> 10%1 study (1/-)59.8 %NAnot evaluable non important-

safety endpoints 00

AE (any grade) 1.52 [0.42, 5.53]< 10%1 study (1/-)26.4 %NAnot evaluable non important-
AE (grade 3-4) 1.15 [0.67, 1.97]< 10%1 study (1/-)30.3 %NAnot evaluable non important-
AE leading to death (grade 5) 1.12 [0.21, 5.90]< 10%1 study (1/-)44.7 %NAnot evaluable non important-
AE leading to treatment discontinuation (any grade) 2.72 [1.15, 6.39]< 10%1 study (1/-)1.1 %NAnot evaluable non important-
SAE (any grade) 2.26 [1.24, 4.14]< 10%1 study (1/-)0.4 %NAnot evaluable non important-
STRAE (any grade) 2.73 [1.26, 5.89]< 10%1 study (1/-)0.5 %NAnot evaluable non important-
TRAE (any grade) 0.74 [0.19, 2.79]< 10%1 study (1/-)67.3 %NAnot evaluable non important-
TRAE (grade 3-4) 0.85 [0.50, 1.44]< 10%1 study (1/-)72.7 %NAnot evaluable non important-
TRAE leading to death (grade 5) 0.89 [0.08, 9.99]< 10%1 study (1/-)53.6 %NAnot evaluable non important-

TRAE (grade 3-4) endpoints 00

Dyspnoea TRAE (grade 3-4) 0.89 [0.08, 9.99]< 10%1 study (1/-)53.6 %NAnot evaluable non important-
Increased lipase level TRAE (grade 3-4) 1.81 [0.20, 16.42]< 10%1 study (1/-)30.1 %NAnot evaluable non important-

AE (grade 3-4) endpoints 00

hepatitis (Autoimmune) AE (grade 3-4) 0.45 [0.01, 22.65]< 10%1 study (1/-)65.4 %NAnot evaluable non important-
Abdominal pain AE (grade 3-4) 0.29 [0.05, 1.77]< 10%1 study (1/-)90.9 %NAnot evaluable non important-
Acute kidney injury AE (grade 3-4) 0.45 [0.01, 22.65]< 10%1 study (1/-)65.4 %NAnot evaluable non important-
Anaemia AE (grade 3-4) 2.31 [0.49, 10.78]< 10%1 study (1/-)14.5 %NAnot evaluable non important-
Arthralgia AE (grade 3-4) 0.22 [0.01, 6.66]< 10%1 study (1/-)80.4 %NAnot evaluable non important-
Asthenia AE (grade 3-4) 3.22 [0.39, 26.58]< 10%1 study (1/-)14.1 %NAnot evaluable non important-
Back pain AE (grade 3-4) 0.45 [0.01, 22.65]< 10%1 study (1/-)65.4 %NAnot evaluable non important-
Colitis AE (grade 3-4) 1.80 [0.08, 40.29]< 10%1 study (1/-)35.8 %NAnot evaluable non important-
Constipation AE (grade 3-4) 0.89 [0.03, 26.90]< 10%1 study (1/-)52.6 %NAnot evaluable non important-
Cough AE (grade 3-4) 0.45 [0.01, 22.65]< 10%1 study (1/-)65.4 %NAnot evaluable non important-
Decreased appetite AE (grade 3-4) 0.44 [0.06, 3.19]< 10%1 study (1/-)79.0 %NAnot evaluable non important-
Dermatitis acneiform AE (grade 3-4) 1.80 [0.08, 40.29]< 10%1 study (1/-)35.8 %NAnot evaluable non important-
Diarrhoea AE (grade 3-4) 1.89 [0.68, 5.22]< 10%1 study (1/-)11.1 %NAnot evaluable non important-
Dysgeusia AE (grade 3-4) 0.89 [0.03, 26.90]< 10%1 study (1/-)52.6 %NAnot evaluable non important-
Dysphonia AE (grade 3-4) 0.45 [0.01, 22.65]< 10%1 study (1/-)65.4 %NAnot evaluable non important-
Fatigue AE (grade 3-4) 0.49 [0.17, 1.40]< 10%1 study (1/-)90.9 %NAnot evaluable non important-
Guillain-Barré syndrome AE (grade 3-4) 0.89 [0.03, 26.90]< 10%1 study (1/-)52.6 %NAnot evaluable non important-
Headache AE (grade 3-4) 0.89 [0.03, 26.90]< 10%1 study (1/-)52.6 %NAnot evaluable non important-
Hypertension AE (grade 3-4) 0.08 [0.02, 0.37]< 10%1 study (1/-)99.9 %NAnot evaluable non important-
Increased ALT AE (grade 3-4) 0.22 [0.01, 6.66]< 10%1 study (1/-)80.4 %NAnot evaluable non important-
Infusion-related reaction AE (grade 3-4) 1.80 [0.08, 40.29]< 10%1 study (1/-)35.8 %NAnot evaluable non important-
Intestinal perforation AE (grade 3-4) 0.22 [0.01, 6.66]< 10%1 study (1/-)80.4 %NAnot evaluable non important-
Mucosal inflammation AE (grade 3-4) 1.80 [0.08, 40.29]< 10%1 study (1/-)35.8 %NAnot evaluable non important-
Myalgia AE (grade 3-4) 0.22 [0.01, 6.66]< 10%1 study (1/-)80.4 %NAnot evaluable non important-
Nausea AE (grade 3-4) 1.80 [0.08, 40.29]< 10%1 study (1/-)35.8 %NAnot evaluable non important-
Palmar–plantar erythrodysesthesia syndrome AE (grade 3-4) 0.02 [0.00, 0.39]< 10%1 study (1/-)99.5 %NAnot evaluable non important-
Peripheral neuropathy AE (grade 3-4) 0.22 [0.01, 6.66]< 10%1 study (1/-)80.4 %NAnot evaluable non important-
Peripheral oedema AE (grade 3-4) 1.80 [0.08, 40.29]< 10%1 study (1/-)35.8 %NAnot evaluable non important-
Pneumonitis AE (grade 3-4) 0.89 [0.03, 26.90]< 10%1 study (1/-)52.6 %NAnot evaluable non important-
Pruritus AE (grade 3-4) 0.45 [0.01, 22.65]< 10%1 study (1/-)65.4 %NAnot evaluable non important-
Pyrexia AE (grade 3-4) 6.47 [0.36, 115.44]< 10%1 study (1/-)10.4 %NAnot evaluable non important-
Rash AE (grade 3-4) 1.59 [0.32, 7.82]< 10%1 study (1/-)28.6 %NAnot evaluable non important-
Rash maculopapular AE (grade 3-4) 0.44 [0.03, 7.19]< 10%1 study (1/-)71.4 %NAnot evaluable non important-
Sepsis AE (grade 3-4) 0.44 [0.06, 3.19]< 10%1 study (1/-)79.0 %NAnot evaluable non important-
Stomatitis AE (grade 3-4) 0.45 [0.01, 22.65]< 10%1 study (1/-)65.4 %NAnot evaluable non important-
Thrombocytopenia AE (grade 3-4) 0.89 [0.03, 26.90]< 10%1 study (1/-)52.6 %NAnot evaluable non important-
Vomiting AE (grade 3-4) 0.89 [0.03, 26.90]< 10%1 study (1/-)52.6 %NAnot evaluable non important-
Weight decreased AE (grade 3-4) 0.45 [0.01, 22.65]< 10%1 study (1/-)65.4 %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.