Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

3,234 questions · 3,357 findings · 396 reviews

No studies found 803 · 23.9%GRADE not reported 270 · 8%Very low 757 · 22.5%Low 859 · 25.6%Moderate 486 · 14.5%High 182 · 5.4%

Febuxostat 120 mg/day vs allopurinol

Withdrawals due to adverse events · people with chronic gout

Febuxostat 120 mg/day showed no clear difference in discontinuations due to adverse events compared with allopurinol (high certainty).

1 finding from 1 review

Betamethasone oral mini-pulse therapy vs Topical triamcinolone acetonide paste

Investigator‐ or physician‐rated global assessment of disease severity · People with erosive oral lichen planus

Betamethasone oral mini-pulse therapy led to higher physician Global Assessment (clinical severity, 0-12 score) compared with topical triamcinolone acetonide 0.1% paste; GRADE not reported.

1 finding from 1 review

Mixed beam (neutron and photon) radiotherapy vs Conventional photon radiotherapy

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Mixed beam (neutron and photon) radiotherapy showed no clear difference in locoregional control compared with conventional photon radiotherapy; GRADE not reported.

1 finding from 1 review

Altered fractionation radiotherapy (hyperfractionated and/or accelerated) vs Conventional (standard) fractionation radiotherapy

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Hyperfractionated/accelerated radiotherapy led to lower locoregional control compared with conventional (standard) fractionation radiotherapy; GRADE not reported.

2 findings from 1 review

Accelerated radiotherapy with concomitant boost vs Conventional (standard) fractionation radiotherapy

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
1 finding from 1 review

Low dose rate interstitial radiotherapy vs High dose rate interstitial radiotherapy

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Low dose rate interstitial radiotherapy showed no clear difference in locoregional control compared with high dose rate interstitial radiotherapy; GRADE not reported.

1 finding from 1 review

Hyperfractionated/accelerated split-course radiotherapy vs Accelerated radiotherapy with concomitant boost

Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
1 finding from 1 review

Altered fractionation radiotherapy (hyperfractionated and/or accelerated) vs Conventional (standard) fractionation radiotherapy

Disease-free survival · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Altered fractionation radiotherapy (hyperfractionated and/or… showed no clear difference in disease free survival compared with conventional (standard) fractionation radiotherapy; GRADE not reported.

2 findings from 1 review

Neutron radiotherapy vs Conventional photon radiotherapy

Disease-free survival · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Neutron radiotherapy showed no clear difference in disease free survival compared with conventional photon radiotherapy; GRADE not reported.

1 finding from 1 review

Hyperfractionated radiotherapy vs Conventional (standard) fractionation radiotherapy

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Hyperfractionated radiotherapy led to lower locoregional control compared with conventional (standard) fractionation radiotherapy; GRADE not reported.

1 finding from 1 review

Accelerated radiotherapy with concomitant boost vs Conventional (standard) fractionation radiotherapy

Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Accelerated radiotherapy with concomitant boost showed no clear difference in total mortality compared with conventional (standard) fractionation radiotherapy; GRADE not reported.

1 finding from 1 review

Accelerated radiotherapy with concomitant boost vs Conventional (standard) fractionation radiotherapy

Disease-free survival · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
1 finding from 1 review

Split‐course radiotherapy (8 fractions, 30 Gy) vs Accelerated radiotherapy

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Split-course radiotherapy showed no clear difference in locoregional control compared with accelerated radiotherapy; GRADE not reported.

1 finding from 1 review

Pre-operative and post-operative radiotherapy vs Post-operative radiotherapy alone

Disease-free survival · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Pre-operative and post-operative radiotherapy showed no clear difference in disease free survival compared with post-operative radiotherapy alone; GRADE not reported.

1 finding from 1 review

Hyperfractionated radiotherapy vs Conventional (standard) fractionation radiotherapy

Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Hyperfractionated radiotherapy led to lower total mortality compared with conventional (standard) fractionation radiotherapy; GRADE not reported.

1 finding from 1 review

Split‐course radiotherapy (8 fractions, 30 Gy) vs Accelerated radiotherapy

Disease-free survival · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Split-course radiotherapy showed no clear difference in disease free survival compared with accelerated radiotherapy; GRADE not reported.

1 finding from 1 review

Pre-operative and post-operative radiotherapy vs Post-operative radiotherapy alone

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Pre-operative and post-operative radiotherapy showed no clear difference in locoregional control compared with post-operative radiotherapy alone; GRADE not reported.

1 finding from 1 review

Neutron radiotherapy vs Conventional photon radiotherapy

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Neutron radiotherapy showed no clear difference in locoregional control compared with conventional photon radiotherapy; GRADE not reported.

1 finding from 1 review

Altered fractionation radiotherapy (hyperfractionated and/or accelerated) vs Conventional (standard) fractionation radiotherapy

All‐cause mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

It is very uncertain whether altered fractionation radiotherapy (hyperfractionated and/or… changes mortality compared with conventional (standard) fractionation radiotherapy (very low certainty).

2 findings from 1 review

Accelerated radiotherapy (no split, boost or hyperfractionation) vs Conventional (standard) fractionation radiotherapy

Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…
1 finding from 1 review