Findings

What do systematic reviews say?

8 questions · 11 findings · 6 reviews

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No studies found 8 · 72.7%GRADE not reported 0 · 0%Very low 1 · 9.1%Low 1 · 9.1%Moderate 1 · 9.1%High 0 · 0%

Ultra‐radical (extensive) surgery vs surgery

Progression‐free survival · women with stage IIIc or IV ovarian cancer

It is very uncertain whether ultra‐radical (extensive) surgery changes progression‐free survival compared with standard surgery (very low certainty).

1 finding from 1 review

Ultra‐radical (extensive) surgery versus standard surgery for the primary cytoreduction of advanced epithelial ovarian… 2022 · Cochrane Headline outcomes only
HR 0.62 [0.42, 0.92]
1 study · 203 participants
Very low

Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery plus WBRT

Progression‐free survival · people with single or solitary brain metastasis

Surgery plus whole brain radiotherapy (WBRT) showed no clear difference in progression‐free survival compared with stereotactic radiosurgery plus WBRT (low certainty).

1 finding from 1 review

Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis 2018 · Cochrane Headline outcomes only
RR 0.55 [0.22, 1.38]
1 study · 21 participants
Low

Neoadjuvant chemotherapy prior to interval surgery (NACT) vs surgery followed by chemotherapy (PDS)

Progression‐free survival · women with advanced ovarian epithelial cancer

Neoadjuvant chemotherapy prior to interval surgery (NACT) showed no clear difference in progression‐free survival ( compared with surgery followed by chemotherapy (PDS) (moderate certainty).

1 finding from 1 review

Neoadjuvant chemotherapy before surgery versus surgery followed by chemotherapy for initial treatment in advanced… 2021 · Cochrane Headline outcomes only
HR 0.98 [0.88, 1.08]
4 studies · 1847 participants
Moderate

iMRI image‐guided surgery vs surgery

Progression‐free survival · high‐grade glioma

The review found no eligible studies for this question.

2 findings from 2 reviews · compare the 2 reviews

Intraoperative imaging technology to maximise extent of resection for glioma: a network meta‐analysis 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found
Intraoperative imaging technology to maximise extent of resection for glioma 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

5‐ALA image‐guided surgery vs surgery

Progression‐free survival · high‐grade glioma

The review found no eligible studies for this question.

2 findings from 2 reviews · compare the 2 reviews

Intraoperative imaging technology to maximise extent of resection for glioma: a network meta‐analysis 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found
Intraoperative imaging technology to maximise extent of resection for glioma 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Surgery plus whole brain radiotherapy (WBRT) vs stereotactic radiosurgery

Progression‐free survival ‐ not measured · people with single or solitary brain metastasis

The review found no eligible studies for this question.

1 finding from 1 review

Surgery versus stereotactic radiotherapy for people with single or solitary brain metastasis 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Neuronavigation image‐guided surgery vs surgery

Progression‐free survival · high‐grade glioma

The review found no eligible studies for this question.

2 findings from 2 reviews · compare the 2 reviews

Intraoperative imaging technology to maximise extent of resection for glioma: a network meta‐analysis 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found
Intraoperative imaging technology to maximise extent of resection for glioma 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Minimally invasive surgery vs Standard therapy alone (radiotherapy or chemoradiotherapy)

Progression‐free survival · patients with small‐volume primary oropharyngeal carcinoma

The review found no eligible studies for this question.

1 finding from 1 review

Minimally invasive surgery versus radiotherapy/chemoradiotherapy for small‐volume primary oropharyngeal carcinoma 2016 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found