Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,916 questions · 3,207 findings · 167 reviews · related questions CL0289

No studies found 596 · 18.6%GRADE not reported 1,666 · 51.9%Very low 603 · 18.8%Low 252 · 7.9%Moderate 78 · 2.4%High 12 · 0.4%

Bethanechol vs Artificial saliva

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

Bethanechol showed no clear difference in overall survival compared with artificial saliva; GRADE not reported.

1 finding from 1 review

Epidermal growth factor (EGF), oral spray vs placebo

Oral mucositis (severe) · Adults with cancer receiving treatment

Epidermal growth factor (EGF), oral spray showed no clear difference in oral mucositis (severe) compared with placebo; GRADE not reported.

1 finding from 1 review

Amifostine vs no treatment/placebo

Dysphagia (grade >= 3, 0-4 scale) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Amifostine showed no clear difference in dysphagia (grade >= 3, 0-4 scale) compared with no treatment/placebo; GRADE not reported.

1 finding from 1 review

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
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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

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

Metal-free implant-supported FDPs (zirconia-toughened alumina; In-Ceram Zirconia) vs Metal-free implant-supported FDPs (yttria-stabilized tetragonal zirconia; Denzir)

Bridge complications · Adults (18 years or older) needing an implant-supported fixed dental prosthesis in the posterior region

It is very uncertain whether metal-free implant-supported FDPs (zirconia-toughened alumina;… changes bridge complications compared with metal-free implant-supported FDPs (yttria-stabilized tetragonal… (very low certainty).

4 findings from 1 review
Show 1 more finding

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

Resorbable (bioresorbable) plates or screws for fixation vs Titanium plates or screws for fixation

Clinical stability of osteotomy segments (VAS 0 to 10) · Adults (>16 years old) undergoing orthognathic surgery
1 finding from 1 review
  • Resorbable versus titanium plates for orthognathic surgery 2017 · Cochrane All outcomes
    0 to 24 months (by period)
    Clinical stability of osteotomy segments (Cheung 2004), self-assessed on a VAS (0=very mobile, 10=no mobility) by postoperative period, titanium vs resorbable mean (SD): 0 to 2 weeks 8.10 (1.79) vs 8.47 (2.18), P=0.48;…
    1 study · 60 participants
    GRADE not reported

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

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

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

Granulocyte-colony stimulating factor (G-CSF; pegfilgrastim, single dose) vs Granulocyte-colony stimulating factor (G-CSF; filgrastim, multiple doses)

Oral mucositis (any severity) · Children receiving bone marrow/stem cell transplantation after conditioning therapy for mixed cancers

Granulocyte-colony stimulating factor (G-CSF; pegfilgrastim, single… showed no clear difference in oral mucositis (any severity) compared with granulocyte-colony stimulating factor (G-CSF; filgrastim, multiple…; GRADE not reported.

1 finding from 1 review