Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,695 questions · 4,979 findings · 433 reviews

No studies found 998 · 20%GRADE not reported 1,140 · 22.9%Very low 1,024 · 20.6%Low 1,029 · 20.7%Moderate 636 · 12.8%High 152 · 3.1%

Patient-controlled analgesia (PCA) pethidine vs Staff-controlled delivery of pethidine

Daily mean opiate intake per hour · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Patient-controlled analgesia (PCA) pethidine showed no clear difference in daily mean opiate intake per hour compared with staff-controlled delivery of pethidine; GRADE not reported.

1 finding from 1 review

Chlorhexidine mouthwash vs Salt and soda mouthwash

Mucositis eradicated · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Chlorhexidine mouthwash showed no clear difference in mucositis eradicated compared with salt and soda mouthwash; GRADE not reported.

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

Human placental extract vs Disprin (aspirin/betamethasone)

Improvement in mucositis · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Human placental extract led to higher improvement in mucositis compared with disprin (aspirin/betamethasone); GRADE not reported.

1 finding from 1 review

Relaxation and imagery training vs control (e.g. usual activities)

Average pain scores (0-100 VAS) · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Relaxation and imagery training showed no clear difference in average pain scores (0-100 VAS) compared with control (treatment as usual); GRADE not reported.

1 finding from 1 review

'Magic' mouthwash (lidocaine, diphenhydramine, aluminium hydroxide) vs Salt and soda mouthwash

Mucositis eradicated · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

'Magic' mouthwash (lidocaine, diphenhydramine, aluminium hydroxide) showed no clear difference in mucositis eradicated compared with salt and soda mouthwash; GRADE not reported.

1 finding 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

Gelclair vs Sucralfate and mucaine

Mucositis severity (mild to moderate) · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Gelclair showed no clear difference in mucositis severity (mild to moderate) compared with sucralfate and mucaine; 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