Clinical resolution (oral lesion not completely resolved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia
It is very uncertain whether vitamin A or retinoids (systemic or topical; incl. 13-cis-retinoic… changes oral cancer development compared with placebo or no treatment (very low certainty).
1 finding from 1 review
Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia
It is very uncertain whether topical bleomycin changes oral cancer development compared with placebo or no treatment (very low certainty).
1 finding from 1 review
Clinical resolution (oral lesion not completely resolved) · People with a diagnosis of oral leukoplakia
It is very uncertain whether topical bleomycin changes clinical resolution (oral lesion not completely resolved) compared with placebo or no treatment (very low certainty).
1 finding from 1 review
Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
SoF 3, Safety of the intervention over 3 months: systemic celecoxib (1 study) - 32 intervention participants reported 56 adverse effects, 20 placebo participants reported 20; 4 grade 3 events; 2 discontinued. Ketorolac…
2 studies
GRADE not reported
Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia
The review found no eligible studies for this question.
1 finding from 1 review
Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
SoF 5, Safety of the intervention up to 3 months: 'All patients in the bleomycin group developed erythema with erosion by the end of the applications, whereas erythema developed in the placebo group. Discomfort was…
1 study
GRADE not reported
Clinical resolution (oral lesion not completely resolved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
Clinical resolution (oral lesion not completely resolved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
SoF 4, Clinical resolution (not completely resolved) at 3 to 6 months: '3 studies (freeze-dried black raspberry gel, green tea extract capsules, mixed tea) did not find evidence of benefit.' No GRADE. Effects text:…
4 studies
GRADE not reported
Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia
Systemic beta carotene or carotenoids (incl. lycopene) may leads to lower improvement of histological features (not improved) compared with placebo or no treatment (low certainty).
1 finding from 1 review
Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
SoF 6, Histological changes: 'Not measured'. Effects text: data on histological changes from Armstrong 2013 were not available for analysis, but study authors reported no statistically significant differences in…
1 study
GRADE not reported
Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia
It is very uncertain whether systemic beta carotene or carotenoids (incl. lycopene) changes oral cancer development compared with placebo or no treatment (very low certainty).
1 finding from 1 review
Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia
Vitamin A or retinoids (systemic or topical; incl. 13-cis-retinoic… probably leads to lower improvement of histological features (not improved) compared with placebo or no treatment (moderate certainty).
1 finding from 1 review
Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
SoF 2, Safety of the intervention at 5 to 12 months: 'Systemic beta carotene did not cause any adverse effects in 1 study supplementing 10 mg/d (Nagao), and caused adverse effects of varying severity in 9% of…
3 studies
GRADE not reported
Clinical resolution (oral lesion not completely resolved) · People with a diagnosis of oral leukoplakia
Bowman-Birk inhibitor showed no clear difference in clinical resolution (oral lesion not completely resolved) compared with placebo or no treatment (low certainty).
1 finding from 1 review
Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
SoF 3 (NSAIDs vs placebo), Cancer development: SoF cell 'Not measured'. Effects text: cancer development was among outcomes in Papadimitrakopoulou 2008 (celecoxib) but did not occur in either arm, probably because of…
1 study
GRADE not reported
Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia
The review found no eligible studies for this question.
1 finding from 1 review
Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
Surgical removal of the lesion (surgical excision, laser surgery, cryotherapy) vs Placebo or no treatment
Outcome not reported · People with a diagnosis of oral leukoplakia
The review found no eligible studies for this question.
1 finding from 1 review
'We did not identify any RCTs that compared surgical treatments with placebo or no treatment.' Three surgical RCTs were found (Chee 2013, Lopez-Jornet 2013, Schwarz 2005) but all excluded because they did not include a…
Studies not reported
No studies found