Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

174 questions · 184 findings · 18 reviews · Oral medicine and oral cancer

No studies found 28 · 15.2%GRADE not reported 122 · 66.3%Very low 19 · 10.3%Low 11 · 6%Moderate 4 · 2.2%High 0 · 0%

Bethanechol vs Artificial saliva

Side effects · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
1 finding from 1 review

Antimicrobial lozenge vs placebo

Quality of life and other oral related symptoms · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
1 finding from 1 review

Antimicrobial lozenge vs placebo

Side effects (other: dryness in mouth, diarrhoea, constipation) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
1 finding from 1 review

Pilocarpine vs no treatment/placebo

Speech difficulties (VAS 0-100 mm) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Pilocarpine led to higher speech difficulties (VAS 0-100 mm) compared with no treatment/placebo; GRADE not reported.

1 finding from 1 review

Amifostine 200 mg/m2 three times weekly vs Amifostine 200 mg/m2 five times weekly

Vomiting · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Amifostine 200 mg/m2 three times weekly showed no clear difference in vomiting (adverse effect) compared with amifostine 200 mg/m2 five times weekly; GRADE not reported.

1 finding from 1 review

Amifostine 200 mg/m2 three times weekly vs Amifostine 200 mg/m2 five times weekly

Quality of life · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
1 finding from 1 review

Biperiden plus pilocarpine vs no treatment

Dysphagia (WHO grade 3+) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Biperiden plus pilocarpine showed no clear difference in dysphagia (WHO grade 3+) compared with no treatment; GRADE not reported.

1 finding from 1 review

Amifostine vs no treatment/placebo

Quality of life (Patient Benefit Questionnaire, 10-point scale) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

It is very uncertain whether amifostine changes quality of life (Patient Benefit Questionnaire, 10-point scale) compared with no treatment/placebo (very low certainty).

1 finding from 1 review

Biperiden plus pilocarpine vs no treatment

Dry mouth (xerostomia) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

The review found no eligible studies for this question.

1 finding from 1 review