Cochrane · intervention · CD005411

Systemic interventions for recurrent aphthous stomatitis (mouth ulcers)

Brocklehurst, P, Tickle, M, Glenny, AM, et al. · Cochrane Database of Systematic Reviews · 2012 · Cochrane Library

Oral HealthOral medicine and oral cancer2 versionsAMSTAR 2: not assessed
Full textEvery question was extracted from the full review (methods and results), not only its Summary of Findings table.
Questions
82
current version
GRADE rated
0
No studies
4
Included studies
25
as reported
No studies 4 · 4.9%Ungraded 78 · 95.1%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Review question

ElementPlanned (methods)Found (results)
PopulationParticipants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiencyParticipants with a previous or current history of RAS diagnosed on history and clinical examination (n=25 trials)
InterventionAny preventive, palliative or curative intervention administered systemicallyBeta-glucan (n=1); Clofazimine (n=1); Colchicine (n=2); Levamisole (n=8); Montelukast (n=1); Pentoxifylline (n=1); Prednisone (n=2); Sulodexide (n=1); Camel thorn (n=1); Homeopathy (n=1); LongoVital herbal+vitamin (n=1); LongoVital herbal alone (n=2); Multivitamin (n=1); Propolis (n=1); Subantimicrobial doxycycline (n=1); Tetracycline (n=1); Vitamin B12 (n=1); Rofecoxib (n=1); Tinidazole (n=1); Perilla oil (n=1); Soybean oil (n=1)
ComparisonNo active treatment or placebo; head-to-head trials of different interventions also includedPlacebo (n=22 trials); active comparator in head-to-head trials (n=8 trials)
OutcomesPrimary: pain associated with RAS; episode duration; episode frequency; safety including adverse effects. Secondary: patient reported outcomes measuring quality of life and reduction in morbidityPain (n reported narratively/quantitatively across trials); episode duration; episode frequency / number of new ulcers; ulcer size; complete healing/remission; quality of life; adverse effects
Study designsRandomised controlled trials (RCTs), including cross-over RCTs with a suitable washout period and no evident carry-over effects25 RCTs (22 placebo controlled; 8 head-to-head; five trials with more than two treatment arms)
TimingMeasurements closest to the end of treatment; cumulative measurements over the total treatment periodTreatment/follow-up durations ranged from 4 days to 8 months across trials; outcomes taken closest to end of treatment or as cumulative totals

Search date: 2012-06. Databases: Cochrane Oral Health Group Trials Register; Cochrane PaPaS Trials Register; CENTRAL; MEDLINE via OVID; EMBASE via OVID; CINAHL via EBSCO; AMED via PubMed

Questions and results

Show all 2 versions

Beta-glucan (1.3/1.6 beta-glucan 10 mg twice daily for 20 days) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Ulcer severity score (USS)
20 days
MD -4.38 [-6.17, -2.59]1 study · 31 participantsUngraded
Adverse effects
20 days
There was no reporting of adverse effects.1 study · 31 participantsUngraded

Clofazimine (100 mg daily for 30 days, then 100 mg every other day) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Complete remission (no further aphthous episodes to 6 months)
6 months
One trial at high risk of bias compared clofazimine (n=23) with placebo (n=20). The number of individuals in the clofazimine group who had no further aphthous episodes from beginning treatment until completion at 6…1 study · 43 participantsUngraded
Adverse effects
6 months
Clofazimine was associated with an increase in cutaneous adverse effects (skin pigmentation and drying) (Fisher's exact test P=0.015), but these were reported to be easily controlled.1 study · 43 participantsUngraded

Colchicine (0.5 mg three times per day) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Complete remission (no further aphthous episodes to 6 months)
6 months
The trial by de Abreu 2009 (high risk of bias) also assessed colchicine (n=23) versus placebo (n=20). The number with no further aphthous episodes at 6 months was not significantly different from placebo (Fisher's…1 study · 43 participantsUngraded
Adverse effects
6 months
There was a greater percentage of treatment interruptions in the colchicine group due to gastrointestinal adverse effects (Fisher's exact test P=0.009). The review noted potential evidence of harm at a dose of 1.5 mg…1 study · 43 participantsUngraded

Levamisole (150 mg per day) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
6 questions
OutcomeEffectEvidenceStatus / GRADE
Decrease in frequency of attacks
RR 4.29 [0.72, 25.39]1 studyUngraded
Overall effectiveness (episodes, lesions, duration, pain)
Eight trials (seven high, one unclear risk of bias) compared levamisole 150 mg/day with placebo (De Cree 1978; Drinnan 1978; Meyer 1977; Miller 1978; Olson 1978; Van de Heyning 1978; Weckx 2009; Zissis 1983).…8 studiesUngraded
Decrease in pain
RR 4.29 [0.67, 27.24]1 studyUngraded
Adverse effects
Patients receiving levamisole reported more adverse effects than those receiving placebo (mild stomach upset/nausea, diarrhoea, sleeplessness, dysgeusia/dysosmia), however no adverse effects were reported as requiring…8 studiesUngraded
Decrease in duration of attacks
RR 4.29 [0.67, 27.24]1 studyUngraded
Decrease in number of ulcers
RR 7.88 [0.51, 121.96]1 studyUngraded

Montelukast (leukotriene receptor antagonist; 10 mg daily for 1 month then alternate days for the second month) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
4 questions
OutcomeEffectEvidenceStatus / GRADE
Time to resolution of first ulcer (days)
2 months
MD -3.95 [-4.38, -3.52]1 study · 40 participantsUngraded
Adverse effects
2 months
The study reported equal drug-related adverse effects for those treated with montelukast and placebo.1 study · 40 participantsUngraded
Total number of new lesions over 2-month treatment period
2 months
MD -3.90 [-4.55, -3.25]1 study · 40 participantsUngraded
Pain (visual analogue scale)
2 months
MD -1.15 [-1.46, -0.84]1 study · 40 participantsUngraded

Pentoxifylline (400 mg three times daily for 60 days) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Pain, number of ulcers, ulcer-free days and ulcer size
60 days (plus 60-day follow-up)
A single trial at high risk of bias compared pentoxifylline 400 mg three times daily (n=14) with placebo (n=12). No statistically significant differences were reported for pain, number of ulcers and ulcer-free days at…1 study · 26 participantsUngraded
Adverse effects
60 days (plus 60-day follow-up)
Patients receiving pentoxifylline reported more adverse events than those in the placebo group but this was not statistically significant (69% reported adverse effects: dizziness, headaches, stomach upset, increased…1 study · 26 participantsUngraded

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
4 questions
OutcomeEffectEvidenceStatus / GRADE
Time to resolution of first ulcer (days)
2 months
MD -6.35 [-6.74, -5.96]1 study · 40 participantsUngraded
Total number of new lesions over 2-month treatment period
2 months
MD -4.20 [-4.84, -3.56]1 study · 40 participantsUngraded
Days to resolution of pain and epithelialization of aphthae; number of aphthae per month
2 months
Femiano 2003 (high risk of bias) reports days to resolution of pain and days to epithelialization of aphthae at 1 month, and number of aphthae per month after the first and second months; data presented as…1 study · 20 participantsUngraded
Adverse effects
2 months
Femiano 2003: one significant adverse event (gastritis) for the prednisone group versus none for placebo. Femiano 2010: more drug-related adverse effects for those treated with prednisone than placebo.2 studiesUngraded

Sulodexide (heparin plus dermatan sulphate chains) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Days to resolution of pain / epithelialization; number of aphthae per month
The trial by Femiano 2003 (high risk of bias) also compared sulodexide with placebo. Data were incompletely presented (ranges/totals only) precluding further analysis.1 study · 20 participantsUngraded
Adverse effects
Sulodexide was not associated with significant adverse events.1 study · 20 participantsUngraded

Camel thorn (plant distillate) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
3 questions
OutcomeEffectEvidenceStatus / GRADE
Pain intensity and lesion diameter
up to 14 days
The authors report lower pain and smaller lesions in the camel thorn group up to 10 days after referral; a statistically significant difference in pain intensity was also reported.1 study · 93 participantsUngraded
Time to complete resolution of ulcer (days)
up to 14 days
A single trial (Pourahmad 2010, unclear risk of bias) randomised 93 participants to camel thorn distillate (n=49) or placebo (n=44). Mean time to complete resolution was 4.02 days (range 3 to 7) for camel thorn…1 study · 93 participantsUngraded
Adverse effects
up to 14 days
No evidence of drug side effects was observed.1 study · 93 participantsUngraded

Individualised homeopathic medicine (two doses over 24 hours) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
4 questions
OutcomeEffectEvidenceStatus / GRADE
Adverse effects
6 days
No participant needed to discontinue treatment due to adverse events.1 study · 100 participantsUngraded
Mean pain score and mean ulcer size
6 days
A statistically significant difference was reported in mean pain score and mean ulcer size favouring the homeopathic group (P<0.05). Summary data not presented, precluding further analysis.1 study · 100 participantsUngraded
Complete ulcer healing by end of study (day 6)
6 days
RR 2.00 [1.39, 2.89]1 study · 100 participantsUngraded
Pain free by end of study (day 6)
6 days
RR 2.00 [1.39, 2.89]1 study · 100 participantsUngraded

LongoVital (herbal plus vitamin supplement) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Number of ulcer-free days and number of new ulcers
4 months
Forty patients were randomised to receive LongoVital (herbal plus vitamin) or placebo (Kolseth 2005). Data presented as medians with 95% confidence intervals, unsuitable for further analysis. The authors report no…1 study · 40 participantsUngraded
Adverse effects
4 months
Reported adverse events were minor and evenly distributed between the groups.1 study · 40 participantsUngraded

LongoVital (herbal component alone) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
6 questions
OutcomeEffectEvidenceStatus / GRADE
Mean size of ulcers
4 to 6 months
MD -0.30 [-0.56, 0.04]1 study · 50 participantsUngraded
General degree of discomfort
4 to 6 months
MD -0.30 [-0.37, 0.97]1 study · 50 participantsUngraded
Number of days of pain (monthly average)
4 to 6 months
MD -3.80 [-9.39, 1.79]1 study · 50 participantsUngraded
Number of days of ulcers (monthly average)
4 to 6 months
MD -0.80 [-3.30, 1.70]1 study · 50 participantsUngraded
Number of ulcer-free days and number of new ulcers
4 months
Kolseth 2005 (high risk of bias): 40 patients randomised to the herbal component of LongoVital alone or placebo; data presented as medians with 95% CIs, unsuitable for further analysis; no statistically significant…1 study · 40 participantsUngraded
Adverse effects
Reported adverse events were minor and evenly distributed between the groups (Kolseth 2005). 'Very few and mostly harmless side-effects' were observed (Bratel 2005).2 studiesUngraded

Daily multivitamin vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
3 questions
OutcomeEffectEvidenceStatus / GRADE
Average mouth pain during RAS episodes
MD -0.05 [-0.71, 0.61]1 studyUngraded
Mean number of new lesions
MD -0.41 [-1.85, 1.03]1 studyUngraded
Duration of episodes
MD -0.33 [-2.06, 1.40]1 studyUngraded

Bee propolis (one 500 mg capsule per day) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
4 questions
OutcomeEffectEvidenceStatus / GRADE
Quality of life
6 months (minimum)
Patients in the propolis group self-reported a significant improvement in their quality of life (P=0.03), based on volunteered statements of self-reported improvement.1 study · 19 participantsUngraded
Reduction of outbreaks (expected vs observed ulcers)
6 months (minimum)
The authors report a statistically significant difference in the reduction of outbreaks based on the difference between expected and observed number of ulcers (Fisher's exact test, one sided, P=0.04).1 study · 19 participantsUngraded
Adverse effects
6 months (minimum)
Propolis was associated with low rates of minimal side effects.1 study · 19 participantsUngraded
Mean number of lesions over treatment period
6 months (minimum)
MD -2.6 [-7.30, 2.10]1 study · 19 participantsUngraded

Subantimicrobial dose doxycycline (20 mg twice daily for 90 days) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
5 questions
OutcomeEffectEvidenceStatus / GRADE
Total number of new ulcers over 90 days
90 days
MD -16.40 [-30.44, -2.36]1 study · 50 participantsUngraded
Adverse effects
90 days
No differences in adverse events were reported.1 study · 50 participantsUngraded
Mean VAS pain per day
90 days
MD -5.00 [-11.93, 1.93]1 study · 50 participantsUngraded
Number of ulcers at end of 90-day treatment
90 days
MD -0.5 [-1.10, 0.10]1 study · 50 participantsUngraded
Number of new lesions per day
90 days
MD -0.19 [-0.35, -0.03]1 study · 50 participantsUngraded

Tetracycline suspension (250 mg, held in mouth 2 minutes then swallowed, four times daily for 5 days) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
3 questions
OutcomeEffectEvidenceStatus / GRADE
Adjusted maximum ulcer size and adjusted maximum pain
5 days per outbreak
A statistically significant difference was shown, in favour of tetracycline, for adjusted maximum ulcer size (P=0.034) and adjusted maximum pain (P=0.017).1 studyUngraded
Average number of new lesions per week
5 days per outbreak
MD -0.47 [-1.34, 0.40]1 studyUngraded
Adverse effects
5 days per outbreak
Adverse event rates were comparable between groups.1 studyUngraded

Vitamin B12 (sublingual, 1000 mcg daily for 6 months) vs Placebo

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
5 questions
OutcomeEffectEvidenceStatus / GRADE
Adverse effects
6 months
No adverse events were associated with receiving vitamin B12 or placebo in this study.1 study · 58 participantsUngraded
'No ulcer' status during last 2 months of treatment
6 months
RR 3.27 [1.23, 8.66]1 study · 58 participantsUngraded
Pain score
6 months
MD -1.72 [-2.70, -0.74]1 study · 58 participantsUngraded
Average duration of RAS episode (days)
6 months
MD -2.86 [-5.39, -0.33]1 study · 58 participantsUngraded
Frequency of outbreaks per month
6 months
MD -8.74 [-16.62, -0.86]1 study · 58 participantsUngraded

Colchicine (0.5 mg three times per day) vs Clofazimine (100 mg daily for 30 days, then 100 mg every other day)

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Adverse effects
6 months
Clofazimine was associated with an increase in cutaneous adverse effects (Fisher's exact test P=0.015), easily controlled; there was a greater percentage of treatment interruptions in the colchicine group due to…1 study · 46 participantsUngraded
Complete remission, pain intensity, patient and physician evaluation
6 months
One trial at high risk of bias (de Abreu 2009) compared clofazimine (n=23) with colchicine (n=23). The number with no further aphthous episodes at 6 months was significantly greater in the clofazimine group than the…1 study · 46 participantsUngraded

Colchicine (0.5 mg per day for 3 months) vs Prednisolone (5 mg per day for 3 months)

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
4 questions
OutcomeEffectEvidenceStatus / GRADE
Pain at completion of treatment
3 months
MD -0.16 [-1.18, 0.86]1 study · 34 participantsUngraded
Number of aphthous ulcers at completion
3 months
MD -0.13 [-0.50, 0.24]1 study · 34 participantsUngraded
Recurrence during treatment period
3 months
RR 1.30 [0.98, 1.71]1 study · 34 participantsUngraded
Adverse effects
3 months
Colchicine was associated with statistically significantly more adverse effects than prednisolone (nine participants reporting adverse effects on colchicine versus two on prednisolone).1 study · 34 participantsUngraded

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs Montelukast (leukotriene receptor antagonist)

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
3 questions
OutcomeEffectEvidenceStatus / GRADE
Time to resolution of first ulcer (days)
2 months
MD -2.40 [-2.76, -2.04]1 study · 40 participantsUngraded
Adverse effects
2 months
The study reported more drug-related adverse effects for those treated with prednisone than montelukast.1 study · 40 participantsUngraded
Total number of new lesions over 2-month treatment period
2 months
MD -0.30 [-0.90, 0.30]1 study · 40 participantsUngraded

Levamisole 50 mg three times per day for days 1 and 2 vs Levamisole 50 mg three times per day for day 1 and placebo for day 2 (lower dose)

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Adverse effects
16 weeks
Two patients in each group reported unwanted effects.1 studyUngraded
Overall effectiveness (all parameters)
16 weeks
A trial at high risk of bias (Zissis 1983) compared two different dose regimens of levamisole (treatment 2 days per week for 16 weeks; a third group received placebo). There was inconsistency in the presentation of the…1 studyUngraded

Rofecoxib (oral, 50 mg on first day then 25 to 50 mg per day for 4 days) vs Tinidazole (1 g per day for 3 days)

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Total effective rate at 4 days
4 days
RR 1.17 [0.95, 1.43]1 study · 60 participantsUngraded
Adverse effects
4 days
No adverse effects reported in translation.1 study · 60 participantsUngraded

Sulodexide (heparin plus dermatan sulphate chains) vs Prednisone (oral)

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Overall effectiveness (days to resolution; number of aphthae per month)
A comparison between sulodexide (n=10) and prednisone (n=10) was made in a trial at high risk of bias (Femiano 2003). Data presented as ranges/totals only with no estimate of variability, precluding further analysis.…1 study · 20 participantsUngraded
Adverse effects
Sulodexide was without significant adverse events; one significant adverse event (gastritis) was reported for the prednisone group.1 study · 20 participantsUngraded

LongoVital (herbal plus vitamin component) vs LongoVital (herbal component alone)

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Number of ulcer-free days and number of new ulcers
4 months
A single trial at high risk of bias (Kolseth 2005) randomised participants to the herbal component of LongoVital alone or LongoVital with herbal plus vitamin component. Data presented as medians with 95% CIs,…1 study · 40 participantsUngraded
Adverse effects
4 months
Reported adverse events were minor and evenly distributed between the groups (Kolseth 2005).1 study · 40 participantsUngraded

Perilla cooking oil vs Soybean cooking oil

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
2 questions
OutcomeEffectEvidenceStatus / GRADE
Average number of days for resolution of ulcers
8 months
MD 0.80 [-1.83, 3.43]1 study · 33 participantsUngraded
Adverse effects
8 months
No adverse events were reported.1 study · 33 participantsUngraded

Betamethasone (systemic corticosteroid) vs Placebo or no treatment

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
Table 1 (Systemic agents used in the management of aphthous stomatitis): 'Studies of these corticosteroids were not found or included in the review but are included here for completeness. They are not given orally for…0 studiesNo studies

Beclometasone dipropionate (systemic corticosteroid) vs Placebo or no treatment

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
Table 1: 'Studies of these corticosteroids were not found or included in the review but are included here for completeness.' No trial of beclometasone dipropionate for RAS was identified.0 studiesNo studies

Hydrocortisone (systemic corticosteroid) vs Placebo or no treatment

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
Table 1: 'Studies of these corticosteroids were not found or included in the review but are included here for completeness.' No trial of hydrocortisone for RAS was identified.0 studiesNo studies

Thalidomide (immunomodulator) vs Placebo or no treatment

Population: Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination; excluding those with Behcet's disease, Reiter's syndrome, recurrent erythema multiforme, viral infection, coeliac disease, Crohn's disease, ulcerative colitis, anaemia or haematinic deficiency
1 question
OutcomeEffectEvidenceStatus / GRADE
Outcome NR
Authors' conclusions: 'this review did not find trials involving several of other systemic interventions used for RAS, for example thalidomide in the absence of any systemic condition, despite its limitations on…0 studiesNo studies