Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,348 questions · 1,514 findings · 111 reviews · All outcomes

No studies found 287 · 19%GRADE not reported 823 · 54.4%Very low 243 · 16.1%Low 104 · 6.9%Moderate 49 · 3.2%High 8 · 0.5%

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

Oral mucositis (any severity) · Adults with cancer receiving treatment

Keratinocyte growth factor (KGF; palifermin or repifermin),… showed no clear difference in oral mucositis (any severity) compared with placebo; GRADE not reported.

4 findings from 1 review
Show 1 more finding

GM-CSF vs placebo or no treatment

Oral mucositis (any severity) · Adults with cancer receiving treatment

Granulocyte-macrophage colony-stimulating factor (GM-CSF) showed no clear difference in oral mucositis (any severity) compared with placebo or no treatment; GRADE not reported.

2 findings from 1 review

Chinese medicine vs no treatment/placebo

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

Chinese medicine led to higher salivary flow rate (stimulated) compared with no treatment/placebo; GRADE not reported.

1 finding from 1 review

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

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

Palifermin showed no clear difference in xerostomia (grade >= 2, 0-4 scale) compared with placebo (low certainty).

1 finding from 1 review

Antiseptic mouthrinse vs placebo

Drooling (hyposialosis) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Antiseptic mouthrinse showed no clear difference in drooling (hyposialosis) compared with placebo; GRADE not reported.

1 finding from 1 review

Zinc vs placebo

Taste discrimination improvement · Patients with taste disturbances (dysgeusia/hypogeusia; idiopathic, zinc-deficient, or secondary to chronic renal failure)
1 finding from 1 review
  • Interventions for managing taste disturbances 2017 · Cochrane All outcomes
    Results: Matson 2003 used zinc sulphate for testing taste discrimination (sip and spit method); the trial did not report the details of the placebo group and thus the results could not be meta-analysed. Not GRADE-rated.
    1 study
    GRADE not reported

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

Number of days in hospital · Adults with cancer receiving treatment

Keratinocyte growth factor (KGF; palifermin or repifermin),… showed no clear difference in number of days in hospital compared with placebo; GRADE not reported.

1 finding from 1 review

Periodontal treatment (scaling and root planing, alone or with antimicrobials) vs Alternative (less intensive) periodontal treatment, alone or with placebo

Low birth weight (< 2.5 kg) · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination

It is very uncertain whether periodontal treatment (scaling and root planing, alone or with… changes low birth weight < 2500 g compared with alternative (less intensive) periodontal treatment, alone or with… (very low certainty).

1 finding from 1 review

GM-CSF vs placebo or no treatment

Oral mucositis (severe) · Adults with cancer receiving treatment

Granulocyte-macrophage colony-stimulating factor (GM-CSF) showed no clear difference in oral mucositis (severe) compared with placebo or no treatment (low certainty).

3 findings from 1 review

Pilocarpine vs no treatment/placebo

Quality of life (McMaster HNRQ, 1-7 scale) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

It is very uncertain whether pilocarpine changes quality of life (McMaster HNRQ, 1-7 scale) compared with no treatment/placebo (very low certainty).

1 finding from 1 review

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

Quality of life or participant satisfaction · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
1 finding from 1 review

Amifostine vs no treatment/placebo

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

Amifostine showed no clear difference in disease-free survival compared with no treatment/placebo; GRADE not reported.

1 finding from 1 review

Amifostine vs no treatment/placebo

Quality of life · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Amifostine showed no clear difference in quality of life compared with no treatment/placebo; GRADE not reported.

1 finding from 1 review

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

Number of days unable to take medicine orally · Adults with cancer receiving treatment

The review found no eligible studies for this question.

1 finding from 1 review

Amifostine vs no treatment/placebo

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

It is very uncertain whether amifostine changes salivary flow rate (mg/5 min, unstimulated) compared with no treatment/placebo (very low certainty).

2 findings from 1 review

Amifostine vs no treatment/placebo

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

Amifostine showed no clear difference in progression-free survival compared with no treatment/placebo; GRADE not reported.

1 finding from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs placebo or no treatment

Filled primary surfaces at 3 years · Pregnant women (for preventing dental caries in the primary teeth of their children)

Fluoride supplementation (tablets, drops, lozenges or chewing gum) showed no clear difference in filled primary surfaces at 5 years compared with placebo or no treatment; GRADE not reported.

2 findings from 1 review