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%

Amifostine (intravenous) vs Amifostine (subcutaneous)

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

Amifostine (intravenous) showed no clear difference in locoregional tumour control compared with amifostine (subcutaneous); GRADE not reported.

1 finding from 1 review

Amifostine vs no treatment/placebo

Cost (mean per-patient supportive care costs) · 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

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

Pilocarpine led to lower xerostomia (objective, LENT-SOMA scale) compared with no treatment/placebo; GRADE not reported.

3 findings from 1 review

NSAID (systemic) vs paracetamol

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

NSAID (systemic) showed no clear difference in pain intensity (VAS 0-100 mm) compared with paracetamol (low certainty).

3 findings from 1 review

Amifostine (intravenous) vs Amifostine (subcutaneous)

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

Amifostine vs no treatment/placebo

Adverse effects (other reported events) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
1 finding from 1 review

Amifostine vs no treatment/placebo

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

Amifostine may leads to lower xerostomia (grade >= 2, 0-4 scale) compared with no treatment/placebo (low certainty).

3 findings from 1 review

Analgesic (any: NSAID, paracetamol, local anaesthetic or opioid) vs placebo or control

Rescue analgesia · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
1 finding from 1 review

Polaprezinc vs Azulene oral rinse

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

Polaprezinc led to lower taste disturbance (severe, > 2 on 0-3 scale) compared with azulene oral rinse; GRADE not reported.

1 finding from 1 review

Keratinocyte growth factor (KGF; palifermin or repifermin), intravenous vs placebo

Adverse 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

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

Antimicrobial lozenge showed no clear difference in xerostomia compared with placebo; GRADE not reported.

1 finding from 1 review