What do systematic reviews say?

Massage + ultrasound and placebo ointment vs ultrasound + placebo ointment only

The review found no eligible studies for this question.

• Deep transverse friction massage for treating lateral elbow or lateral knee tendinitis 2014 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Group C cognitive behavioural therapy: cognitive behavioural therapy + placebo vs placebo or supportive treatment

• Interventions for prodromal stage of psychosis 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 44 participants
  Very low

Combination of manual therapy, exercise, electrotherapy and placebo injection vs placebo injection

• Manual therapy and exercise for adhesive capsulitis (frozen shoulder) 2014 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 49 participants
  Low

Combination of manual therapy, exercise, electrotherapy and placebo injection vs glucocorticoid injection

• Manual therapy and exercise for adhesive capsulitis (frozen shoulder) 2014 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 49 participants
  Low

Summary of findings table ‐ immunostimulant vs placebo

• Immunostimulants versus placebo for preventing exacerbations in adults with chronic bronchitis or chronic obstructive… 2022 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 617 participants
  Very low

Statins vs placebo

Statins led to lower quality of life compared with placebo; GRADE not reported.

• Statins versus placebo for people with chronic obstructive pulmonary disease 2019 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 3 participants
  GRADE not reported

Amitriptyline vs placebo

The review found no eligible studies for this question.

• Amitriptyline versus placebo for major depressive disorder 2012 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Paracetamol vs placebo

The review found no eligible studies for this question.

• Paracetamol versus placebo for knee and hip osteoarthritis 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Flumecinol vs placebo

• Pharmacological interventions for pruritus in adult palliative care patients 2024 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 50 participants
  Low

Manual therapy, prescribed exercises or both vs placebo

The review found no eligible studies for this question.

• Manual therapy and exercise for lateral elbow pain 2024 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Lutein with or without zeaxanthin vs placebo

• Antioxidant vitamin and mineral supplements for slowing the progression of age‐related macular degeneration 2023 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 308 participants
  Moderate

Vitamin E vs placebo

The review found no eligible studies for this question.

• Antioxidant vitamin and mineral supplements for slowing the progression of age‐related macular degeneration 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Zinc vs placebo

The review found no eligible studies for this question.

• Antioxidant vitamin and mineral supplements for slowing the progression of age‐related macular degeneration 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Antioxidant multivitamin and mineral supplement vs placebo or no treatment

• Antioxidant vitamin and mineral supplements for slowing the progression of age‐related macular degeneration 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 110 participants
  Low

Cerebrolysin or Cerebrolysin‐like agents vs placebo

The review found no eligible studies for this question.

• Cerebrolysin for acute ischaemic stroke 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Immunomodulatory interventions vs placebo

The review found no eligible studies for this question.

• Immunomodulatory interventions for focal epilepsy 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Zinc vs placebo

The review found no eligible studies for this question.

• Treatment for osteoporosis in people with beta‐thalassaemia 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings – denosumab vs placebo

The review found no eligible studies for this question.

• Treatment for osteoporosis in people with beta‐thalassaemia 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Injectional collagenase vs placebo

• Non‐surgical therapies for Peyronie's disease 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 134 participants
  Low
• Non‐surgical therapies for Peyronie's disease 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 612 participants
  Moderate

Potassium paraaminobenzoate vs placebo

The review found no eligible studies for this question.

• Non‐surgical therapies for Peyronie's disease 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found