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Extensive stage SCLC (Es-SCLC) - 1st Line (L1), immune chekpoint inhibitors , 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) 0.77 [0.69, 0.86]< 10%4 studies (4/-)100.0 %some concernnot evaluable moderatecrucial-
deaths (OS) (extension) 0.75 [0.65, 0.87]< 10%2 studies (2/-)100.0 %some concernnot evaluable moderateimportant-
PFS (extension) 0.79 [0.68, 0.90]< 10%2 studies (2/-)100.0 %some concernnot evaluable moderateimportant-
progression or deaths (PFS) 0.79 [0.71, 0.87]< 10%4 studies (4/-)100.0 %some concernnot evaluable moderateimportant-
objective responses (ORR) 1.20 [0.89, 1.62]> 160%4 studies (4/-)88.0 %some concernnot evaluable moderatenon important-
objective responses (ORR) (extension) 0.84 [0.56, 1.25]> 10%1 study (1/-)19.5 %NAnot evaluable non important-

safety endpoints 00

AE (any grade) 2.84 [1.04, 7.75]< 117%3 studies (3/-)2.1 %some concernnot evaluable moderatenon important-
AE (grade 3-4) 1.06 [0.87, 1.28]< 10%4 studies (4/-)27.9 %some concernnot evaluable moderatenon important-
AE leading to death (grade 5) 1.03 [0.55, 1.92]< 157%4 studies (4/-)46.6 %some concernnot evaluable moderatenon important-
AE leading to treatment discontinuation (any grade) 2.19 [1.25, 3.85]< 167%4 studies (4/-)0.3 %some concernnot evaluable moderatenon important-
AE leading to treatment discontinuation (grade 3-4) 1.00 [0.35, 2.90]< 10%1 study (1/-)49.7 %NAnot evaluable non important-
SAE (any grade) 0.93 [0.66, 1.31]< 135%2 studies (2/-)66.1 %some concernnot evaluable moderatenon important-
SAE (grade 3-4) 0.77 [0.51, 1.15]< 10%1 study (1/-)90.3 %NAnot evaluable non important-
STRAE (any grade) 1.07 [0.66, 1.73]< 170%3 studies (3/-)38.9 %some concernnot evaluable moderatenon important-
STRAE (grade 3-4) 0.82 [0.33, 2.01]< 186%2 studies (2/-)66.9 %some concernnot evaluable moderatenon important-
TRAE (any grade) 1.14 [0.81, 1.60]< 10%4 studies (4/-)22.9 %some concernnot evaluable moderatenon important-
TRAE (grade 3-4) 1.00 [0.83, 1.20]< 11%4 studies (4/-)51.1 %some concernnot evaluable moderatenon important-
TRAE leading to death (grade 5) 1.87 [0.78, 4.48]< 130%4 studies (4/-)8.0 %lownot evaluable highnon important-
TRAE leading to discontinuation (any grade) 2.13 [0.68, 6.69]< 181%2 studies (2/-)9.8 %some concernnot evaluable moderatenon important-
TRAE leading to discontinuation (grade 3-4) 2.46 [0.27, 22.20]< 182%2 studies (2/-)21.2 %some concernnot evaluable moderatenon important-

TRAE (grade 3-4) endpoints 00

Acute kidney injury TRAE (grade 3-4) 3.99 [0.18, 89.04]< 10%1 study (1/-)19.4 %NAnot evaluable non important-
Adrenal insufficiency TRAE (grade 3-4) 2.72 [0.49, 14.91]< 10%4 studies (4/-)12.6 %some concernnot evaluable moderatenon important-
Alopecia TRAE (grade 3-4) 0.87 [0.23, 3.30]< 10%4 studies (4/-)58.0 %some concernnot evaluable moderatenon important-
Anaemia TRAE (grade 3-4) 0.81 [0.56, 1.19]< 146%4 studies (4/-)85.8 %some concernnot evaluable moderatenon important-
Arthritis TRAE (grade 3-4) 1.00 [0.02, 50.78]< 10%1 study (1/-)49.9 %NAnot evaluable non important-
Asthenia TRAE (grade 3-4) 0.81 [0.31, 2.11]< 10%3 studies (3/-)67.0 %some concernnot evaluable moderatenon important-
Colitis TRAE (grade 3-4) 1.11 [0.15, 8.06]< 17%2 studies (2/-)46.0 %lownot evaluable highnon important-
Constipation TRAE (grade 3-4) 0.93 [0.17, 5.14]< 10%4 studies (4/-)53.3 %lownot evaluable highnon important-
Decreased appetite TRAE (grade 3-4) 1.04 [0.26, 4.20]< 11%4 studies (4/-)47.6 %some concernnot evaluable moderatenon important-
Diabetes TRAE (grade 3-4) 3.33 [0.64, 17.21]< 10%4 studies (4/-)7.6 %some concernnot evaluable moderatenon important-
Diarrhoea TRAE (grade 3-4) 2.18 [0.92, 5.16]< 10%4 studies (4/-)3.9 %lownot evaluable highnon important-
Fatigue TRAE (grade 3-4) 1.28 [0.47, 3.44]< 10%4 studies (4/-)31.4 %some concernnot evaluable moderatenon important-
Febrile neutropenia TRAE (grade 3-4) 0.66 [0.41, 1.06]< 10%3 studies (3/-)95.8 %some concernnot evaluable moderatenon important-
Guillain-Barré syndrome TRAE (grade 3-4) 1.98 [0.07, 59.51]< 10%1 study (1/-)34.9 %NAnot evaluable non important-
Hepatitis TRAE (grade 3-4) 6.04 [0.72, 50.41]< 10%2 studies (2/-)4.9 %lownot evaluable highnon important-
Hyperthyroidism TRAE (grade 3-4) 1.49 [0.24, 9.14]< 10%4 studies (4/-)33.5 %some concernnot evaluable moderatenon important-
Hypophysitis TRAE (grade 3-4) 1.24 [0.19, 8.15]< 10%4 studies (4/-)41.3 %some concernnot evaluable moderatenon important-
Hypothyroidism TRAE (grade 3-4) 1.62 [0.26, 10.10]< 10%4 studies (4/-)30.3 %some concernnot evaluable moderatenon important-
Increased lipase level TRAE (grade 3-4) 6.52 [1.46, 29.18]< 10%2 studies (2/-)0.7 %some concernnot evaluable moderatenon important-
Infusion-related reactions TRAE (grade 3-4) 4.02 [0.45, 36.30]< 10%1 study (1/-)10.9 %NAnot evaluable non important-
Leucopenia TRAE (grade 3-4) 1.17 [0.81, 1.69]< 10%4 studies (4/-)20.1 %lownot evaluable highnon important-
Myocarditis TRAE (grade 3-4) 1.32 [0.15, 11.34]< 10%3 studies (3/-)40.0 %some concernnot evaluable moderatenon important-
Myositis TRAE (grade 3-4) 2.00 [0.07, 60.06]< 10%1 study (1/-)34.6 %NAnot evaluable non important-
Nausea TRAE (grade 3-4) 0.59 [0.21, 1.61]< 10%4 studies (4/-)84.9 %some concernnot evaluable moderatenon important-
Nephritis TRAE (grade 3-4) 1.99 [0.18, 22.08]< 10%2 studies (2/-)28.8 %lownot evaluable highnon important-
Neutropenia TRAE (grade 3-4) 0.86 [0.69, 1.07]< 120%4 studies (4/-)91.6 %some concernnot evaluable moderatenon important-
Pancreatitis TRAE (grade 3-4) 0.79 [0.11, 5.62]< 10%2 studies (2/-)59.4 %lownot evaluable highnon important-
Pancytopenia TRAE (grade 3-4) 0.33 [0.03, 3.17]< 10%1 study (1/-)83.1 %NAnot evaluable non important-
Paraesthesia TRAE (grade 3-4) 1.49 [0.11, 19.45]< 10%2 studies (2/-)38.1 %some concernnot evaluable moderatenon important-
Peripheral neuropathy TRAE (grade 3-4) 3.99 [0.18, 89.04]< 10%1 study (1/-)19.4 %NAnot evaluable non important-
Pneumonia TRAE (grade 3-4) 6.02 [0.30, 120.88]< 10%1 study (1/-)12.3 %NAnot evaluable non important-
Pneumonitis TRAE (grade 3-4) 1.89 [0.55, 6.53]< 10%4 studies (4/-)15.8 %some concernnot evaluable moderatenon important-
Pruritus TRAE (grade 3-4) 1.00 [0.06, 16.06]< 10%2 studies (2/-)49.9 %some concernnot evaluable moderatenon important-
Rash TRAE (grade 3-4) 4.54 [0.71, 28.97]< 10%3 studies (3/-)5.5 %some concernnot evaluable moderatenon important-
Severe skin reaction TRAE (grade 3-4) 3.81 [0.36, 40.15]< 10%2 studies (2/-)13.5 %lownot evaluable highnon important-
Thrombocytopenia TRAE (grade 3-4) 0.96 [0.67, 1.38]< 122%4 studies (4/-)58.5 %lownot evaluable highnon important-
Thyroiditis TRAE (grade 3-4) 1.00 [0.06, 16.06]< 10%2 studies (2/-)49.9 %some concernnot evaluable moderatenon important-
Uveitis TRAE (grade 3-4) 2.00 [0.07, 60.06]< 10%1 study (1/-)34.6 %NAnot evaluable non important-
Vomiting TRAE (grade 3-4) 0.66 [0.24, 1.82]< 10%4 studies (4/-)78.6 %lownot evaluable highnon important-

AE (grade 3-4) endpoints 00

Alopecia AE (grade 3-4) 0.91 [0.24, 3.43]< 10%3 studies (3/-)55.4 %some concernnot evaluable moderatenon important-
Anaemia AE (grade 3-4) 0.68 [0.43, 1.07]< 159%3 studies (3/-)95.2 %some concernnot evaluable moderatenon important-
Asthenia AE (grade 3-4) 1.06 [0.53, 2.10]< 10%3 studies (3/-)43.8 %lownot evaluable highnon important-
Back pain AE (grade 3-4) 1.42 [0.26, 7.77]< 10%3 studies (3/-)34.4 %some concernnot evaluable moderatenon important-
Constipation AE (grade 3-4) 1.26 [0.24, 6.64]< 10%3 studies (3/-)39.2 %some concernnot evaluable moderatenon important-
Cough AE (grade 3-4) 1.26 [0.24, 6.64]< 10%3 studies (3/-)39.2 %some concernnot evaluable moderatenon important-
Decreased appetite AE (grade 3-4) 1.00 [0.27, 3.68]< 128%3 studies (3/-)49.9 %some concernnot evaluable moderatenon important-
Diarrhoea AE (grade 3-4) 1.32 [0.61, 2.85]< 10%3 studies (3/-)24.1 %some concernnot evaluable moderatenon important-
Dizziness AE (grade 3-4) 1.00 [0.02, 50.62]< 10%1 study (1/-)50.0 %NAnot evaluable non important-
Dyspnoea AE (grade 3-4) 1.28 [0.57, 2.87]< 10%3 studies (3/-)27.6 %some concernnot evaluable moderatenon important-
Fatigue AE (grade 3-4) 1.31 [0.57, 3.01]< 10%3 studies (3/-)26.6 %some concernnot evaluable moderatenon important-
Febrile neutropenia AE (grade 3-4) 0.82 [0.49, 1.37]< 10%2 studies (2/-)78.1 %some concernnot evaluable moderatenon important-
Headache AE (grade 3-4) 1.26 [0.18, 8.99]< 10%3 studies (3/-)40.8 %some concernnot evaluable moderatenon important-
Hypertension AE (grade 3-4) 7.69 [1.75, 33.81]< 10%2 studies (2/-)0.4 %some concernnot evaluable moderatenon important-
Hyperthyroidism AE (grade 3-4) 1.49 [0.11, 19.45]< 10%2 studies (2/-)38.1 %some concernnot evaluable moderatenon important-
Hypothyroidism AE (grade 3-4) 1.00 [0.02, 50.62]< 10%1 study (1/-)50.0 %NAnot evaluable non important-
Increased Lipase Level AE (grade 3-4) 1.89 [0.79, 4.52]< 10%2 studies (2/-)7.6 %some concernnot evaluable moderatenon important-
Leucopenia AE (grade 3-4) 1.16 [0.78, 1.73]< 10%3 studies (3/-)23.7 %some concernnot evaluable moderatenon important-
Nausea AE (grade 3-4) 0.66 [0.26, 1.68]< 10%3 studies (3/-)80.6 %some concernnot evaluable moderatenon important-
Neutropenia AE (grade 3-4) 0.88 [0.64, 1.21]< 154%3 studies (3/-)78.1 %some concernnot evaluable moderatenon important-
Peripheral oedema AE (grade 3-4) 1.00 [0.02, 50.62]< 10%1 study (1/-)50.0 %NAnot evaluable non important-
Pneumonia AE (grade 3-4) 1.04 [0.59, 1.82]< 17%3 studies (3/-)45.0 %some concernnot evaluable moderatenon important-
Pruritus AE (grade 3-4) 1.00 [0.10, 9.65]< 10%3 studies (3/-)50.0 %some concernnot evaluable moderatenon important-
Pyrexia AE (grade 3-4) 0.67 [0.11, 4.14]< 10%3 studies (3/-)66.5 %some concernnot evaluable moderatenon important-
Rash AE (grade 3-4) 4.04 [0.62, 26.08]< 10%3 studies (3/-)7.2 %some concernnot evaluable moderatenon important-
Thrombocytopenia AE (grade 3-4) 0.92 [0.59, 1.42]< 138%3 studies (3/-)65.1 %some concernnot evaluable moderatenon important-
Vomiting AE (grade 3-4) 0.71 [0.25, 2.03]< 10%3 studies (3/-)74.1 %some concernnot evaluable moderatenon 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.