Findings

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Evidence found and GRADE certainty

927 questions · 1,014 findings · 29 reviews · Oral medicine and oral cancer

No studies found 123 · 12.1%GRADE not reported 604 · 59.6%Very low 193 · 19%Low 58 · 5.7%Moderate 35 · 3.5%High 1 · 0.1%

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

Time to heal mucositis (days) · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

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

1 finding from 1 review

Higher total dose radiotherapy (76.8 Gy over 6.4 weeks) vs conventional dose RT

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…

Higher total dose radiotherapy (76.8 Gy over 6.4 weeks) showed no clear difference in total mortality compared with conventional/standard total dose radiotherapy (72 Gy); GRADE not reported.

1 finding from 1 review

Hyperfractionated/accelerated/split-course 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/accelerated/split-course radiotherapy showed no clear difference in total mortality compared with conventional (standard) fractionation radiotherapy; GRADE not reported.

1 finding from 1 review

Therapist support (visits) 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

Therapist support (visits) 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

Radiotherapy (morning) vs Afternoon 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…

Morning radiotherapy showed no clear difference in total mortality compared with afternoon radiotherapy; GRADE not reported.

1 finding from 1 review

Chlorhexidine mouthwash vs Salt and soda mouthwash

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

Chlorhexidine mouthwash showed no clear difference in average pain scores (0-100 VAS) compared with salt and soda mouthwash; GRADE not reported.

1 finding from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

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

Low level laser therapy led to higher mucositis severity (mild to moderate) compared with sham (placebo) laser treatment; GRADE not reported.

1 finding from 1 review

Hyperfractionated/accelerated/split-course radiotherapy 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

GM-CSF vs placebo or no treatment

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

Granulocyte macrophage-colony stimulating factor (GM-CSF) led to higher improvement in mucositis compared with placebo or no treatment; GRADE not reported.

2 findings from 1 review

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

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

1 finding from 1 review

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

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

1 finding from 1 review

Intensity modulated radiotherapy (IMRT) vs Conventional or other radiotherapy

Outcome not reported · 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…

The review found no eligible studies for this question.

1 finding from 1 review

Neutron radiotherapy vs Conventional photon 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…

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

1 finding from 1 review

GM-CSF vs placebo or no treatment

Time to heal mucositis (days) · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Granulocyte macrophage-colony stimulating factor (GM-CSF) showed no clear difference in time to heal mucositis (days) compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review