Findings

What do systematic reviews say?

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

90 questions · 117 findings · 5 reviews · All outcomes

No studies found 33 · 28.2%GRADE not reported 51 · 43.6%Very low 18 · 15.4%Low 12 · 10.3%Moderate 3 · 2.6%High 0 · 0%

Amifostine vs no treatment/placebo

Salivary flow rate (stimulated) · 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 vs no treatment/placebo

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

Amifostine led to higher salivary flow rate (incidence of > 0.1 g saliva/5 min, unstimulated) compared with no treatment/placebo; GRADE not reported.

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

Salivary flow rate (unstimulated) · 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

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