Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

510 questions · 533 findings · 60 reviews

No studies found 153 · 28.7%GRADE not reported 18 · 3.4%Very low 134 · 25.1%Low 123 · 23.1%Moderate 80 · 15%High 25 · 4.7%

Psychological therapy vs Waitlist/Usual Care

Secondary outcome: acceptability of treatment · people with somatoform disorders and medically unexplained physical symptoms

Psychological therapy probably leads to lower acceptability 1 ‐ proportion of participants withdrawing during… compared with usual care or waiting list (moderate certainty).

1 finding from 1 review

Psychological therapy vs Waitlist/Usual Care

Global Impressions scale change item (CGI‐I or similar): no. of responders (acute phase) · people with somatoform disorders and medically unexplained physical symptoms

Psychological therapy may leads to higher treatment response at end of treatment CGI‐improvement/Global… compared with usual care or waiting list (low certainty).

1 finding from 1 review

Psychological therapy vs enhanced or structured care

Secondary outcome: acceptability of treatment · people with somatoform disorders and medically unexplained physical symptoms

Psychological therapy showed no clear difference in acceptability 1 ‐ proportion of participants withdrawing during… compared with enhanced or structured care (moderate certainty).

1 finding from 1 review

Antidepressants vs placebo

Adverse events ‐ Withdrawn for medical reasons · patients with depression during opioid agonist treatment for opioid dependence

Antidepressants probably leads to higher adverse events ‐ Withdrawn for medical reasons compared with placebo (moderate certainty).

1 finding from 1 review

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Adverse events ‐ Withdrawn for medical reasons: Tricyclics versus placebo · patients with depression during opioid agonist treatment for opioid dependence

The intervention leads to higher adverse events ‐ Withdrawn for medical reasons: Tricyclics versus… (high certainty).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Adverse events ‐ Withdrawn for medical reasons: SSRI versus placebo · patients with depression during opioid agonist treatment for opioid dependence

The intervention showed no clear difference in adverse events ‐ Withdrawn for medical reasons: SSRI versus placebo (high certainty).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