Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

517 questions · 551 findings · 17 reviews · All outcomes

No studies found 65 · 11.8%GRADE not reported 419 · 76%Very low 29 · 5.3%Low 25 · 4.5%Moderate 13 · 2.4%High 0 · 0%

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

Chlorhexidine vs Cryotherapy (ice chips) 60 minutes

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

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

1 finding from 1 review

Carboxymethylcellulose (CMC) spray vs Salinum linseed oil spray

Dry mouth (xerostomia) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's syndrome, radiotherapy,…
1 finding from 1 review
  • Andersson 1995 (crossover, n=20): more participants experienced a reduction in oral dryness with linseed (Salinum) spray than with CMC spray; crossover data not accounted for, no usable estimate.
    1 study · 20 participants
    GRADE not reported

Various saliva stimulants (chewable tablet, lozenges, chewing gum, CMC mouthrinse/sprays; 8-arm) vs Saliva substitutes / other products

Xerostomia (dry mouth relief) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's syndrome, radiotherapy,…
1 finding from 1 review
  • Bjornstrom 1990 (8-arm crossover, high risk of bias, 106 enrolled, 55 used all 8 products): all products relieved dry mouth and difficulty talking/swallowing 'to some extent'; V6 chewing gum and Salivin lozenge ranked…
    1 study · 106 participants
    GRADE not reported

Low‐level laser therapy vs Placebo or no active treatment

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

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

1 finding from 1 review