Cochrane · systematic review · CD011475

External beam radiation dose escalation for high grade glioma

Khan, L, Soliman, H, Sahgal, A, et al. · Cochrane Database of Systematic Reviews · 2020 · Cochrane Library

Gynaecological, Neuro-oncology and Orphan Cancer2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
9
current version
GRADE rated
3
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 6 · 66.7%Very low 1 · 11.1%Low 0 · 0%Moderate 1 · 11.1%High 1 · 11.1%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Show all 2 versions

Daily conventionally fractionated radiotherapy versus no radiotherapy (supportive care alone) for high grade glioma

Population: people with high grade glioma
4 questions
OutcomeEffectEvidenceStatus / GRADE
Overall survival
Daily conventionally fractionated radiotherapy vs no radiotherapy (supportive care alone)
HR 2.01 [1.58, 2.55]4 studies · 397 participantsModerate
Downgraded: risk of bias, indirectness
Adverse effects
Daily conventionally fractionated radiotherapy vs no radiotherapy (supportive care alone)
no estimate extracted3 studies · 289 participantsUngraded
Progression free survival
Daily conventionally fractionated radiotherapy vs no radiotherapy (supportive care alone)
no estimate extracted1 study · 81 participantsUngraded
Quality of life
Daily conventionally fractionated radiotherapy vs no radiotherapy (supportive care alone)
no estimate extracted1 study · 81 participantsUngraded

Hypofractionated radiotherapy versus daily conventionally fractionated radiotherapy for high grade glioma

Population: people with high grade glioma
5 questions
OutcomeEffectEvidenceStatus / GRADE
Overall survival
Hypofractionated radiotherapy vs daily conventionally fractionated radiotherapy
HR 0.95 [0.78, 1.17]5 studies · 943 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
Adverse effects
Hypofractionated radiotherapy vs daily conventionally fractionated radiotherapy
no estimate extracted4 studies · 848 participantsUngraded
Progression free survival
Hypofractionated radiotherapy vs daily conventionally fractionated radiotherapy
no estimate extracted0 studies · 0 participantsUngraded
Quality of life
Hypofractionated radiotherapy vs daily conventionally fractionated radiotherapy
no estimate extracted3 studies · 361 participantsUngraded
Overall survival for subgroup aged ≥ 60 years glioblastoma
Hypofractionated radiotherapy vs daily conventionally fractionated radiotherapy
HR 1.16 [0.92, 1.46]2 studies · 293 participantsHigh