Findings

What do systematic reviews say?

5 questions · 5 findings · 1 reviews · Oral medicine and oral cancer

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No studies found 2 · 40%GRADE not reported 3 · 60%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Selenium vs no intervention

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

1 finding from 1 review

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
6 weeks after end of RT
No evidence that selenium reduced xerostomia; data unusable (bar charts with no standard deviations) (Buntzel 2010)
1 study
GRADE not reported

Selenium vs no intervention

Survival · 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

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
No survival data were reported.
0 studies
No studies found

Selenium vs no intervention

Quality of life and other oral related symptoms (loss of taste, dysphagia) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

1 finding from 1 review

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
6 weeks after end of RT
Insufficient evidence of differences for loss of taste or dysphagia; data largely unusable (no standard deviations). Ageusia milder in selenium group (not significant); dysphagia significant only at week 7 (P = 0.05)…
1 study
GRADE not reported

Selenium vs no intervention

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

1 finding from 1 review

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
6 weeks after end of RT
23 serious adverse events in the selenium group versus 22 in the control group (P = 0.476); no significant differences in toxicities (Buntzel 2010)
1 study
GRADE not reported

Selenium vs no intervention

Salivary flow rate · 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

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
No data on salivary flow rates were reported.
0 studies
No studies found