Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,476 questions · 1,535 findings · 101 reviews

No studies found 233 · 15.2%GRADE not reported 332 · 21.6%Very low 209 · 13.6%Low 343 · 22.3%Moderate 279 · 18.2%High 139 · 9.1%

Low‐level laser therapy vs Placebo or no active treatment

Oral mucositis (any severity) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Laser (low level) showed no clear difference in oral mucositis (any severity) compared with placebo/sham/no treatment; GRADE not reported.

1 finding from 1 review

Yangyin-humo decoction vs Traditional Western medicine

Oral mucositis (severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Yangyin-humo decoction showed no clear difference in oral mucositis (severe) compared with traditional Western medicine; GRADE not reported.

1 finding from 1 review

Radiotherapy (morning) vs Radiotherapy (afternoon/evening)

Oral mucositis (moderate to severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Radiotherapy (morning) showed no clear difference in oral mucositis (moderate to severe) compared with radiotherapy (afternoon/evening); GRADE not reported.

1 finding from 1 review

Oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed ice held in the mouth during cancer treatment) vs no treatment

Oral mucositis (moderate to severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Cryotherapy (ice chips) led to lower oral mucositis (moderate to severe) compared with no treatment; GRADE not reported.

1 finding from 1 review

Chlorhexidine vs Cryotherapy (ice chips) 60 minutes

Oral mucositis (any severity) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Chlorhexidine showed no clear difference in oral mucositis (any severity) compared with cryotherapy (ice chips); GRADE not reported.

1 finding from 1 review

Chinese herbal medicines vs Control (Dobell's solution)

Oral mucositis (moderate to severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Chinese herbs (medicine) led to lower oral mucositis (moderate to severe) compared with control (Dobell's solution); GRADE not reported.

1 finding from 1 review