Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

521 questions · 544 findings · 62 reviews

No studies found 153 · 28.1%GRADE not reported 29 · 5.3%Very low 134 · 24.6%Low 123 · 22.6%Moderate 80 · 14.7%High 25 · 4.6%

Intervention not reported

Adverse events ‐ Withdrawn for medical reasons: Tricyclics versus placebo · patients with depression during opioid agonist treatment for opioid dependence

The intervention leads to higher adverse events ‐ Withdrawn for medical reasons: Tricyclics versus… (high certainty).

1 finding from 1 review

Intervention not reported

Adverse events ‐ Withdrawn for medical reasons: SSRI versus placebo · patients with depression during opioid agonist treatment for opioid dependence

The intervention showed no clear difference in adverse events ‐ Withdrawn for medical reasons: SSRI versus placebo (high certainty).

1 finding from 1 review

Antidepressants vs placebo according to any definition

Adverse events ‐ Withdrawn for medical reasons · patients with depression during opioid agonist treatment for opioid dependence

Antidepressants probably leads to higher adverse events ‐ Withdrawn for medical reasons compared with placebo according to any definition (moderate certainty).

1 finding from 1 review

Topical treatments (topical urea 10%) vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms
1 finding from 1 review
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    short-term (up to 3 months) · topical urea 10%
    Topical urea 10% (Alvarenga da Silva 2014) contributes to the topical treatments short-term symptom-relief comparison (insufficient/contradictory); no separate estimate reported.
    1 study · 38 participants
    GRADE not reported

Topical treatments (topical urea 10%) vs placebo

Change in feeling of dryness · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms
1 finding from 1 review
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    short-term (up to 3 months) · topical urea 10%
    SoF9. Change in feeling of dryness short-term (xerostomia questionnaire, 1-5, lower better): single study narratively reported no difference before or after treatment; 38 participants (1 RCT, topical urea); very low.
    1 study · 38 participants
    Very low

Topical treatments (topical urea 10%) vs placebo

Change in taste · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms
1 finding from 1 review
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    short-term (up to 3 months) · topical urea 10%
    SoF9. Change in taste short-term (Quantitative Sensory Testing gustative threshold): single study narratively reported no difference in short-term gustation thresholds; 38 participants (1 RCT, topical urea); very low.
    1 study · 38 participants
    Very low

Topical treatments (capsaicin oral rinse) vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms
2 findings from 1 review
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    short-term (up to 3 months) · capsaicin oral rinse
    Capsaicin oral rinse (Marino 2010; Silvestre 2012) contributes to the topical treatments short-term symptom-relief comparison (insufficient/contradictory). Silvestre 2012 data not presented due to 23% first-phase…
    1 study
    GRADE not reported
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    long-term (>3 to 6 months) · capsaicin oral rinse
    MD -2.60 [-5.11, -0.09]
    1 study · 18 participants
    Very low

Topical treatments (benzydamine hydrochloride oral rinse) vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms
1 finding from 1 review
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    short-term (up to 3 months) · benzydamine hydrochloride
    SoF9 Topical treatments vs placebo. Symptom relief short-term: insufficient or contradictory evidence regarding benefit of any evaluated topical treatment; 150 participants (4 RCTs); very low. Subgroups: benzydamine (1…
    4 studies · 150 participants
    Very low

Topical treatments (benzydamine hydrochloride oral rinse) vs placebo

Adverse effects · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms
1 finding from 1 review
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    short-term (up to 3 months) · benzydamine hydrochloride
    SoF9. Adverse effects: single study narratively reported that no adverse effects occurred from benzydamine hydrochloride oral rinse; 20 participants (1 RCT); very low.
    1 study · 20 participants
    Very low

Topical treatments (lactoperoxidase oral rinse / Biotene) vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether topical treatments (lactoperoxidase oral rinse / Biotene) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

Portosystemic shunts vs endoscopic intervention with or without medical treatment

All‐cause mortality · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether portosystemic shunts changes all‐cause mortality compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review

Transjugular intrahepatic portosystemic shunts vs endoscopic intervention with or without medical treatment

All‐cause mortality · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether transjugular intrahepatic portosystemic shunt changes all‐cause mortality compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review

Portosystemic shunts vs endoscopic intervention with or without medical treatment

Rebleeding · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether portosystemic shunts changes rebleeding compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review

Transjugular intrahepatic portosystemic shunts vs endoscopic intervention with or without medical treatment

Rebleeding · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether transjugular intrahepatic portosystemic shunt changes rebleeding compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review

Transjugular intrahepatic portosystemic shunts vs endoscopic intervention with or without medical treatment

Health‐related quality of life · participants with cirrhosis and with previous oesophagogastric variceal bleeding

The review found no eligible studies for this question.

1 finding from 1 review

Transjugular intrahepatic portosystemic shunts vs endoscopic intervention with or without medical treatment

Mortality due to rebleeding · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether transjugular intrahepatic portosystemic shunt changes mortality due to rebleeding compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review

Transjugular intrahepatic portosystemic shunts vs endoscopic intervention with or without medical treatment

Acute hepatic encephalopathy · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether transjugular intrahepatic portosystemic shunt changes acute hepatic encephalopathy compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review

Transjugular intrahepatic portosystemic shunts vs endoscopic intervention with or without medical treatment

Chronic hepatic encephalopathy · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether transjugular intrahepatic portosystemic shunt changes chronic hepatic encephalopathy compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review

Portosystemic shunts vs endoscopic intervention with or without medical treatment

Mortality due to rebleeding · participants with cirrhosis and with previous oesophagogastric variceal bleeding

It is very uncertain whether portosystemic shunts changes mortality due to rebleeding compared with endoscopic intervention with or without medical treatment (very low certainty).

1 finding from 1 review