Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

23 questions · 29 findings · 17 reviews · Headline outcomes only

No studies found 8 · 27.6%GRADE not reported 0 · 0%Very low 1 · 3.4%Low 6 · 20.7%Moderate 8 · 27.6%High 6 · 20.7%

High‐dose chemotherapy followed by autologous haematopoietic cell transplantation vs conventional chemotherapy plus whole lung irradiation

Overall survival · children, adolescents, and young adults with primary metastatic Ewing sarcoma

The review found no eligible studies for this question.

1 finding from 1 review

High‐dose chemotherapy vs chemotherapy without bone marrow transplant or stem cell rescue

Overall survival at 5‐year · women with early poor prognosis breast cancer

High‐dose chemotherapy showed no clear difference in overall survival at 5‐year compared with chemotherapy without bone marrow transplant or stem cell rescue (high certainty).

1 finding from 1 review

Carboplatin vs cisplatin chemotherapy

Overall survival (baseline risks for low‐ and high‐risk groups in the control arm were estimated at 1 year) · combination with third‐generation drugs for advanced non‐small cell lung cancer

Carboplatin showed no clear difference in overall survival (baseline risks for low‐ and high‐risk groups in… compared with cisplatin chemotherapy (high certainty).

1 finding from 1 review

Altered WBRT fractionation schedules vs WBRT control

Overall survival: higher‐dose WBRT vs control (3000 cGy/10 daily fractions)No. of participants: 846(4 RCTs) · patients with newly diagnosed multiple brain metastases

Altered WBRT fractionation schedules showed no clear difference in overall survival: higher‐dose WBRT vs control (3000 cGy/10 daily… compared with WBRT control (moderate certainty).

1 finding from 1 review

Intervention not reported

Mortality sensitivity analysis (calculated instead of overall survival) ‐ without UK NCRI Rapid trial and MSKCC trial #90‐44due to high risk of other bias

The intervention probably leads to lower mortality sensitivity analysis (calculated instead of overall… (moderate certainty).

1 finding from 1 review

Neuronavigation image‐guided surgery vs surgery

Overall survival · high‐grade glioma

The review found no eligible studies for this question.

2 findings from 2 reviews · compare the 2 reviews

iMRI image‐guided surgery vs surgery

Overall survival · high‐grade glioma

The review found no eligible studies for this question.

2 findings from 2 reviews · compare the 2 reviews

5‐ALA image‐guided surgery vs surgery

Overall survival · high‐grade glioma

The review found no eligible studies for this question.

2 findings from 2 reviews · compare the 2 reviews

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

Retinoic acid post‐consolidation therapy vs no further treatment

Overall survival (reported as mortality) · high‐risk neuroblastoma patients treated with autologous HSCT

Retinoic acid postconsolidation therapy showed no clear difference in overall survival (reported as mortality) compared with no further treatment (low certainty).

1 finding from 1 review

Hypofractionated radiotherapy vs daily conventionally fractionated radiotherapy

Overall survival for subgroup age 60 years and older glioblastoma · high‐grade glioma

Hypofractionated radiotherapy showed no clear difference in overall survival for subgroup aged ≥ 60 years glioblastoma compared with daily conventionally fractionated radiotherapy (high certainty).

1 finding from 1 review

Anti‐angiogenic therapy vs no anti‐angiogenic therapy

Overall survival ( · people with HGG

Anti‐angiogenic therapy showed no clear difference in overall survival ( compared with no anti‐angiogenic therapy (high certainty).

4 findings from 1 review
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