Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,061 questions · 2,151 findings · 116 reviews

No studies found 609 · 28.3%GRADE not reported 268 · 12.5%Very low 635 · 29.5%Low 491 · 22.8%Moderate 122 · 5.7%High 26 · 1.2%

Pilocarpine vs no treatment/placebo

Other oral related symptoms (oral discomfort, eating difficulty, mucosal pain, oral complications) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
1 finding from 1 review

Bethanechol vs Artificial saliva

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

Bethanechol led to higher salivary flow rate (stimulated, ml/min) compared with artificial saliva; GRADE not reported.

2 findings from 1 review

Amifostine (intravenous) vs Amifostine (subcutaneous)

Xerostomia (grade >= 2, 0-4 scale) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Amifostine (intravenous) led to lower xerostomia (grade >= 2, 0-4 scale) compared with amifostine (subcutaneous); GRADE not reported.

2 findings from 1 review

Bethanechol vs placebo

Xerostomia (grade >= 2, 0-3 scale) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Bethanechol led to lower xerostomia (grade >= 2, 0-3 scale) compared with placebo; GRADE not reported.

2 findings from 1 review

Bethanechol vs placebo

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

Bethanechol showed no clear difference in salivary flow rate (stimulated, ml/min) compared with placebo; GRADE not reported.

1 finding from 1 review

Amifostine vs no treatment/placebo

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

It is very uncertain whether amifostine changes overall survival compared with no treatment/placebo (very low certainty).

1 finding from 1 review

Bethanechol vs placebo

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

Bethanechol led to higher salivary flow rate (unstimulated, ml/min) compared with placebo; GRADE not reported.

1 finding from 1 review