Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,348 questions · 1,514 findings · 111 reviews · Oral Health

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%

Thalidomide (systemic; 100 mg or 300 mg daily) vs placebo

Number of (minor aphthous) oral ulcers · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care
1 finding from 1 review
  • Interventions for managing oral ulcers in Behçet's disease 2014 · Cochrane All outcomes
    Males only
    Hamuryudan 1998 (thalidomide 100 mg or 300 mg daily vs placebo, 101 male patients; high risk of reporting bias): a significant effect on mean numbers of minor oral ulcers was reported from week 4 in both thalidomide…
    1 study · 101 participants
    GRADE not reported

Vitamin D compounds (supplementation) vs placebo or control

Parathyroidectomy · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Parathyroidectomy: RR 0.82 (95% CI 0.05 to 12.47), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D vs placebo or control

Serum low‐density lipoprotein (LDL, mmol/L) · Adults (general population)

Meta-analysis of randomised trials of vitamin D supplementation for Low density lipoprotein: WMD 3.23 (95% CI 0.55 to 5.9), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Vitamin D vs placebo or control

Lumbar spine bone mineral density (BMD) · children

Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density in lumbar spine, Healthy children: SMD 0.15 (95% CI -0.01 to 0.31), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D vs placebo or control

Hip Fracture · Older or community-dwelling adults

Meta-analysis of randomised trials of vitamin D supplementation for Fractures: hip, Men aged >65 years and postmenopausal women: RR 1.15 (95% CI 0.99 to 1.33), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Cyclosporin A in orabase (topical) vs Placebo (orabase)

Oral ulcers (number, size, healing time) · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care
1 finding from 1 review
  • Ergun 1997 (cyclosporin A in orabase vs placebo orabase, 24 patients; high risk of reporting bias): no data were presented; authors reported no clinical improvement in the number, size, and healing time of ulcers for…
    1 study · 24 participants
    GRADE not reported

Vitamin D compounds (supplementation) vs placebo or control

Alkaline phosphatase · Adults with chronic kidney disease not requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Alkaline phosphatase: WMD -21.81 (95% CI -40.39 to 3.22), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Depot corticosteroids (systemic; 40 mg methylprednisolone IM every 3 weeks for 27 weeks) vs placebo injection

Mean number of oral ulcers · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care

Depot corticosteroids (systemic; 40 mg methylprednisolone IM every 3… showed no clear difference in mean number of oral ulcers compared with placebo (saline IM injection); GRADE not reported.

1 finding from 1 review

Vitamin D vs placebo or control

Systolic blood pressure · Adults (general population)

Meta-analysis of randomised trials of vitamin D supplementation for Systolic blood pressure: WMD -2.39 (95% CI -5.7 to 0.9), not statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Interferon-alpha (systemic) vs Placebo (subcutaneous)

Safety of the intervention (adverse effects) · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care
1 finding from 1 review
  • Alpsoy 2002: high rate of adverse events including alopecia, leukopenia, and diarrhoea; 18 of 23 patients in the treatment arm experienced mild flu-like symptoms.
    1 study · 50 participants
    GRADE not reported

Primary outcome: topical local anaesthetics vs placebo or no treatment

Participant satisfaction · Children and young people aged 17 years or younger having dental treatment (including extractions) under general anaesthesia (secondary…

The review found no eligible studies for this question.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Risk of hyperphosphataemia · Adults with chronic kidney disease not requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Risk of hyperphosphataemia: RR 1.58 (95% CI 0.47 to 5.30), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D vs placebo or control

Maternal vitamin D concentration at term (25‐hydroxyvitamin D) (nmol/L) (ALL) · pregnant women

Meta-analysis of randomised trials of vitamin D supplementation for Maternal vitamin D concentrations at term: WMD 47.08 (95% CI 23.76 to 70.39), statistically significant. Umbrella review outcome-level evidence grade: Probable.

1 finding from 1 review

Vitamin D vs placebo or control

Bone mineral density · children

Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density (Whole body / total), Healthy children: SMD 0.1 (95% CI -0.06 to 0.26), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.

1 finding from 1 review

Vitamin D vs placebo or control

Hip/femoral bone mineral density (BMD) · children

Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density in hip, Healthy children: SMD 0.06 (95% CI -0.18 to 0.29), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.

1 finding from 1 review

Infiltration injection local anaesthetic vs no treatment or placebo

Postoperative anxiety · Children and young people aged 17 years or younger having dental treatment (including extractions) under general anaesthesia (secondary…

The review found no eligible studies for this question.

1 finding from 1 review