Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,783 questions · 10,022 findings · 882 reviews

No studies found 2,100 · 21%GRADE not reported 1,013 · 10.1%Very low 2,237 · 22.3%Low 2,514 · 25.1%Moderate 1,709 · 17.1%High 449 · 4.5%

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Chemotherapy vs placebo, best supportive care (BSC) or no treatment

Progression‐free survival · advanced gastric and oesophago‐gastric junction adenocarcinoma

Chemotherapy leads to lower progression‐free survival compared with placebo, best supportive care (BSC) or no treatment (high certainty).

1 finding from 1 review

Chemotherapy vs placebo, best supportive care (BSC) or no treatment

Serious adverse events · advanced gastric and oesophago‐gastric junction adenocarcinoma

Chemotherapy probably leads to higher serious adverse events compared with placebo, best supportive care (BSC) or no treatment (moderate certainty).

1 finding from 1 review

Chemotherapy vs placebo, best supportive care (BSC) or no treatment

Tumour response · advanced gastric and oesophago‐gastric junction adenocarcinoma

Chemotherapy showed no clear difference in tumour response rate compared with placebo, best supportive care (BSC) or no treatment (low certainty).

1 finding from 1 review

Chemotherapy vs placebo, best supportive care (BSC) or no treatment

Any adverse events · advanced gastric and oesophago‐gastric junction adenocarcinoma

Chemotherapy showed no clear difference in any adverse events compared with placebo, best supportive care (BSC) or no treatment (high certainty).

1 finding from 1 review

Iron therapy vs No treatment, placebo, usual care, or another oral care measure

Haemoglobin (g/dL) · people with preoperative anaemia awaiting major surgery

Iron therapy showed no clear difference in haemoglobin levels at end of preoperative treatment (g/dL) compared with placebo, no treatment or standard care (low certainty).

2 findings from 1 review

Dinutuximab‐containing immunotherapy vs usual care

Overall survival (reported as mortality) · People with high‐risk neuroblastoma pre‐treated with autologous haematopoietic stem cell transplantation

Dinutuximab‐containing immunotherapy probably leads to lower overall survival (reported as mortality) compared with standard therapy (moderate certainty).

1 finding from 1 review

Dinutuximab‐containing immunotherapy vs usual care

Treatment‐related mortality ‐ not reported · People with high‐risk neuroblastoma pre‐treated with autologous haematopoietic stem cell transplantation

The review found no eligible studies for this question.

1 finding from 1 review

Dinutuximab‐containing immunotherapy vs usual care

Progression‐free survival ‐ not reported · People with high‐risk neuroblastoma pre‐treated with autologous haematopoietic stem cell transplantation

The review found no eligible studies for this question.

1 finding from 1 review

Dinutuximab‐containing immunotherapy vs usual care

Event‐free survival · People with high‐risk neuroblastoma pre‐treated with autologous haematopoietic stem cell transplantation

Dinutuximab‐containing immunotherapy probably leads to lower event‐free survival (reported as relapse, progressive disease,… compared with standard therapy (moderate certainty).

1 finding from 1 review

Dinutuximab‐containing immunotherapy vs usual care

Late non‐haematological toxicity ‐ not reported · People with high‐risk neuroblastoma pre‐treated with autologous haematopoietic stem cell transplantation

The review found no eligible studies for this question.

1 finding from 1 review