What do systematic reviews say?

Topical aminocaproic acid vs placebo

The review found no eligible studies for this question.

• Medical interventions for traumatic hyphema 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Alitretinoin vs placebo

The review found no eligible studies for this question.

• Interventions for chronic palmoplantar pustulosis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Group A: amino acids vs placebo

It is very uncertain whether group A: amino acids changes adverse effects: suicidal thoughts Short‐term (events) compared with placebo (very low certainty).

• Interventions for prodromal stage of psychosis 2019 · Cochrane Headline outcomes only
  RR 3.57 [0.15, 83.14]
  1 study · 44 participants
  Very low

Δ9‐Tetrahydrocannabinol preparation vs placebo

Δ9‐Tetrahydrocannabinol preparation showed no clear difference in participants experiencing adverse effects compared with placebo (moderate certainty).

• Pharmacotherapies for cannabis dependence 2019 · Cochrane Headline outcomes only
  RR 1.02 [0.89, 1.17]
  3 studies · 318 participants
  Moderate

Δ9‐Tetrahydrocannabinol preparation vs placebo

Δ9‐Tetrahydrocannabinol preparation showed no clear difference in participants withdrawn due to adverse effects compared with placebo (low certainty).

• Pharmacotherapies for cannabis dependence 2019 · Cochrane Headline outcomes only
  RR 2.72 [0.51, 14.59]
  3 studies · 318 participants
  Low

Vitamin A or retinoids (systemic or topical; incl. 13-cis-retinoic acid, acitretin) vs placebo or no treatment

• Interventions for treating oral leukoplakia to prevent oral cancer 2016 · Cochrane All outcomes

  4 to 12 months
  SoF 1, Safety of the intervention at 4 to 12 months: '3 studies (1 each evaluating topical acitretin, topical 13-cis-retinoic acid, 200,000 IU per week of vitamin A) found no adverse effects. Systemic 13-cis-retinoic…
  4 studies
  GRADE not reported

CAD/CAM nitinol fixed (bonded) retainer vs Multistrand / spiral wire fixed (bonded) retainer

CAD/CAM nitinol fixed (bonded) retainer showed no clear difference in adverse effects on oral health: Gingival Index (lower arch) compared with conventional/analogue multistrand fixed (bonded) retainer (low certainty).

• Retention procedures for stabilising tooth position after treatment with orthodontic braces 2023 · Cochrane All outcomes

  12 months · lower arch
  MD 0.00 [-0.16, 0.16]
  2 studies · 107 participants
  Low

Oestrogen therapy alone vs pelvic floor muscle training (PFMT)

The review found no eligible studies for this question.

• Oestrogen therapy for treating pelvic organ prolapse in postmenopausal women 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Oestrogen therapy alone vs devices such

The review found no eligible studies for this question.

• Oestrogen therapy for treating pelvic organ prolapse in postmenopausal women 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Oestrogen therapy alone vs surgery

The review found no eligible studies for this question.

• Oestrogen therapy for treating pelvic organ prolapse in postmenopausal women 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Oestrogen therapy alone vs no treatment or placebo

The review found no eligible studies for this question.

• Oestrogen therapy for treating pelvic organ prolapse in postmenopausal women 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

CAD/CAM nitinol fixed (bonded) retainer vs Multistrand / spiral wire fixed (bonded) retainer

The review found no eligible studies for this question.

• Retention procedures for stabilising tooth position after treatment with orthodontic braces 2023 · Cochrane All outcomes

  12 months · lower arch
  No RCTs at 12-month follow-up; 2 RCTs at 6 months found no difference (low-certainty)
  0 studies
  No studies found

Cannabidiol vs AMISULPRIDE

The review found no eligible studies for this question.

• Cannabis and schizophrenia 2014 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Surgery vs botulinum neurotoxin injections

• Interventions for infantile esotropia 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 101 participants
  Very low

Bilateral recession vs unilateral recession‐resection

• Interventions for infantile esotropia 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 118 participants
  Very low

Triamcinolone acetonide 0.1% cream with occlusive dressing vs clobetasol cream 0.05% cream

• Interventions for chronic palmoplantar pustulosis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 19 participants
  Very low

Triamcinolone acetonide 0.1% cream with occlusive dressing vs clobetasol cream 0.05% cream

The review found no eligible studies for this question.

• Interventions for chronic palmoplantar pustulosis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Staple food fortified with vitamin A plus other micronutrients vs same unfortified staple foods

The review found no eligible studies for this question.

• Fortification of staple foods with vitamin A for vitamin A deficiency 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Staple food fortified with vitamin A plus other micronutrients vs no intervention

The review found no eligible studies for this question.

• Fortification of staple foods with vitamin A for vitamin A deficiency 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Staple foods fortified with vitamin A vs same unfortified staple foods

The review found no eligible studies for this question.

• Fortification of staple foods with vitamin A for vitamin A deficiency 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found