What do systematic reviews say?

Long‐term red cell transfusion vs usual care

• Interventions for preventing silent cerebral infarcts in people with sickle cell disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 196 participants
  Low

CHRONIC: ACEi or ARB vs placebo

The review found no eligible studies for this question.

• Pharmacological interventions for heart failure in people with chronic kidney disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

CHRONIC: Beta‐blockers vs placebo

The review found no eligible studies for this question.

• Pharmacological interventions for heart failure in people with chronic kidney disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Aldosterone antagonists vs placebo

The review found no eligible studies for this question.

• Pharmacological interventions for heart failure in people with chronic kidney disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

ACUTE: Serelaxin vs placebo

The review found no eligible studies for this question.

• Pharmacological interventions for heart failure in people with chronic kidney disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Mechanical tongue cleaning (tongue scraper) vs No tongue cleaning

The review found no eligible studies for this question.

• Interventions for managing halitosis 2019 · Cochrane All outcomes
  Quality of life was a prespecified secondary outcome. None of the 44 included studies in the review (across all comparisons) reported quality-of-life data (review-wide evidence gap).
  0 studies
  No studies found

Biotin vs placebo

The review found no eligible studies for this question.

• Interventions for infantile seborrhoeic dermatitis (including cradle cap) 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Proprietary products vs placebo

The review found no eligible studies for this question.

• Interventions for infantile seborrhoeic dermatitis (including cradle cap) 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Topical steroid vs comparator

The review found no eligible studies for this question.

• Interventions for infantile seborrhoeic dermatitis (including cradle cap) 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Antibiotics vs placebo

• Pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 87 participants
  Moderate

Alpha‐blockers vs placebo

• Pharmacological interventions for treating chronic prostatitis/chronic pelvic pain syndrome 2019 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 421 participants
  Moderate

Exercise vs control

The review found no eligible studies for this question.

• Interventions for improving sleep quality in people with chronic kidney disease 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Acupressure vs control

The review found no eligible studies for this question.

• Interventions for improving sleep quality in people with chronic kidney disease 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Botulinum toxin vs observation

The review found no eligible studies for this question.

• Interventions for eye movement disorders due to acquired brain injury 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Edaravone plus corticosteroids vs corticosteroids

The review found no eligible studies for this question.

• Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: bevacizumab vs placebo

The review found no eligible studies for this question.

• Interventions for the treatment of brain radionecrosis after radiotherapy or radiosurgery 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

TENS vs sham

• Non‐pharmacological interventions for chronic pain in multiple sclerosis 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 90 participants
  Very low

Ai Chi Exercises vs sham

• Non‐pharmacological interventions for chronic pain in multiple sclerosis 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 73 participants
  Very low

Amifostine vs no treatment/placebo

Amifostine showed no clear difference in quality of life compared with no treatment/placebo; GRADE not reported.

• Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes

  End of RT; up to 3 months postRT
  MD 0.52 [-0.02, 1.06]
  1 study · 233 participants
  GRADE not reported

Keratinocyte growth factor (KGF; palifermin or repifermin), intravenous vs placebo

The review found no eligible studies for this question.

• Interventions for preventing oral mucositis in patients with cancer receiving treatment: cytokines and growth factors 2017 · Cochrane All outcomes
  No studies reported this outcome (planned secondary outcome not measured by any study in the review)
  0 studies
  No studies found