What do systematic reviews say?

Zinc vs placebo

The review found no eligible studies for this question.

• Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: β‐carotene vs placebo

The review found no eligible studies for this question.

• Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Silodosin vs placebo

• Silodosin for the treatment of lower urinary tract symptoms in men with benign prostatic hyperplasia 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 820 participants
  Moderate

Omega‐3 vs placebo

• Omega‐3 fatty acids for the treatment of dementia 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 269 participants
  Moderate
• Omega‐3 fatty acids for the treatment of dementia 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 332 participants
  High

Ravulizumab vs placebo or alternative treatment

• Interventions for atypical haemolytic uraemic syndrome 2021 · Cochrane Headline outcomes only
  no estimate extracted
  44 participants
  Very low

Eculizumab vs placebo or alternative treatment

• Interventions for atypical haemolytic uraemic syndrome 2021 · Cochrane Headline outcomes only
  no estimate extracted
  100 participants
  Very low

GLP‐1 agonists vs placebo

• GLP‐1 receptor agonists for Parkinson's disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 60 participants
  Low

Potassium binder vs placebo

• Potassium binders for chronic hyperkalaemia in people with chronic kidney disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 289 participants
  Very low

Indacaterol vs placebo

Indacaterol leads to higher number of participants with a clinically significant improvement in… compared with placebo (high certainty).

• Indacaterol, a once‐daily beta₂‐agonist, versus twice‐daily beta₂‐agonists or placebo for chronic obstructive… 2015 · Cochrane Headline outcomes only
  OR 1.64
  9 studies · 4906 participants
  High

Probiotics vs placebo or control

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: Proteolytic enzymes vs placebo or control

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Glutamine vs placebo

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: Aminosalicylates vs placebo

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Corticosteroids vs placebo

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Sucralfate vs placebo

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: Sodium butyrate vs placebo

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Misoprostol vs placebo

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: Magnesium oxide vs placebo

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: Octreotide vs placebo

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

NSAIDs vs placebo

The review found no eligible studies for this question.

• Non‐steroidal anti‐inflammatory agents for treating cystoid macular edema following cataract surgery 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found