Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

707 questions · 750 findings · 36 reviews

No studies found 56 · 7.5%GRADE not reported 200 · 26.7%Very low 142 · 18.9%Low 186 · 24.8%Moderate 132 · 17.6%High 34 · 4.5%

Cryotherapy (ice chips) 30 minutes vs Cryotherapy (ice chips) 60 minutes

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

Cryotherapy (ice chips) 30 minutes showed no clear difference in oral mucositis (moderate to severe) compared with cryotherapy (ice chips) 60 minutes; GRADE not reported.

1 finding from 1 review

Cryotherapy (ice chips) 30 minutes vs Cryotherapy (ice chips) 60 minutes

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

Cryotherapy (ice chips) 30 minutes showed no clear difference in oral mucositis (any severity) compared with cryotherapy (ice chips) 60 minutes; GRADE not reported.

1 finding from 1 review

Cryotherapy (ice chips) 30 minutes vs Cryotherapy (ice chips) 60 minutes

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

Cryotherapy (ice chips) 30 minutes showed no clear difference in oral mucositis (severe) compared with cryotherapy (ice chips) 60 minutes; 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

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

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

Cryotherapy (ice chips) may leads to lower oral mucositis (severe) compared with no treatment (low certainty).

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

Cryotherapy (ice chips) may leads to lower oral mucositis (any severity) compared with no treatment (low certainty).

1 finding from 1 review

Summary of findings table (subcomparison 2): second‐line chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Overall survival · palliative participants with esophageal and GE‐junction carcinoma previously treated with chemotherapy

Summary of findings table (subcomparison 2): second‐line… probably leads to lower overall survival compared with control intervention alone (moderate certainty).

1 finding from 1 review

Summary of findings table (subcomparison 2): second‐line chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Progression‐free survival · palliative participants with esophageal and GE‐junction carcinoma previously treated with chemotherapy

Summary of findings table (subcomparison 2): second‐line… may leads to lower progression‐free survival compared with control intervention alone (low certainty).

1 finding from 1 review

Summary of findings table (subcomparison 2): second‐line chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Toxicity · palliative participants with esophageal and GE‐junction carcinoma previously treated with chemotherapy

It is very uncertain whether summary of findings table (subcomparison 2): second‐line… changes toxicity compared with control intervention alone (very low certainty).

1 finding from 1 review