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Evidence found and GRADE certainty

1,183 questions · 1,283 findings · 30 reviews · Oral medicine and oral cancer

No studies found 164 · 12.8%GRADE not reported 802 · 62.5%Very low 209 · 16.3%Low 71 · 5.5%Moderate 36 · 2.8%High 1 · 0.1%

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

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

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

Patient-controlled analgesia (PCA) pethidine showed no clear difference in average pain scores (0-100 VAS) compared with staff-controlled delivery of pethidine; GRADE not reported.

1 finding from 1 review

Partially absorbed antifungal drug (e.g., clotrimazole, miconazole) vs Drug not absorbed from GI tract (e.g., nystatin, amphotericin B)

Outcome not reported · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

The review found no eligible studies for this question.

1 finding 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

Any antifungal intervention for the treatment of oral candidiasis vs Placebo, no treatment, or another active antifungal intervention

Incidence of systemic infection · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

The review found no eligible studies for this question.

1 finding from 1 review

Chlorhexidine mouthwash vs Salt and soda mouthwash

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

Chlorhexidine mouthwash showed no clear difference in time to heal mucositis (days) compared with salt and soda mouthwash; GRADE not reported.

1 finding from 1 review

Hyperfractionated 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

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

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

'Magic' mouthwash (lidocaine, diphenhydramine, aluminium hydroxide) 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

Lower total dose radiotherapy (67.2 Gy over 5.6 weeks) vs conventional dose RT

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…

Lower total dose radiotherapy (67.2 Gy over 5.6 weeks) showed no clear difference in locoregional control compared with conventional/standard total dose radiotherapy (72 Gy); GRADE not reported.

1 finding from 1 review

Ketoconazole vs placebo

Mycological: eradication of oral candidiasis · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

Ketoconazole (absorbed from GI tract) showed no clear difference in mycological: eradication of oral candidiasis compared with placebo; GRADE not reported.

1 finding from 1 review

'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

Clotrimazole (partially absorbed from GI tract) vs placebo

Clinical: eradication of oral candidiasis · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

Clotrimazole (partially absorbed from GI tract) showed no clear difference in clinical: eradication of oral candidiasis compared with placebo; 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

Fluconazole (absorbed from GI tract) vs Itraconazole

Mycological: eradication of oral candidiasis · Patients with cancer receiving chemotherapy and/or radiotherapy with overt oral candidiasis

Fluconazole (absorbed from GI tract) led to higher mycological: eradication of oral candidiasis compared with itraconazole (absorbed from GI tract); GRADE not reported.

1 finding from 1 review