What do systematic reviews say?

Aromatherapy vs placebo or control

• Aromatherapy for dementia 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 134 participants
  Very low

Chemotherapy vs chemotherapy alone

• Salvage systemic therapy for advanced gastric and oesophago‐gastric junction adenocarcinoma 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 70 participants
  Very low

Gene therapy vs no gene therapy control

• Gene therapy for peripheral arterial disease 2018 · Cochrane Headline outcomes only
  no estimate extracted
  6 studies · 699 participants
  Very low

Music therapy vs placebo or usual care

• Music therapy for autistic people 2022 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 340 participants
  Moderate

Concomitant (concurrent) chemoradiotherapy vs chemoradiotherapy plus surgery

• Chemoradiotherapy versus chemoradiotherapy plus surgery for esophageal cancer 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 165 participants
  Very low

Laminectomy plus radiotherapy vs radiotherapy

The review found no eligible studies for this question.

• Interventions for the treatment of metastatic extradural spinal cord compression in adults 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Delayed chemotherapy vs immediate chemotherapy

• Survival differences with immediate versus delayed chemotherapy for asymptomatic incurable metastatic colorectal cancer 2018 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 161 participants
  Very low

Chemotherapy vs no chemotherapy

The review found no eligible studies for this question.

• Management of people with intermediate‐stage hepatocellular carcinoma 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

SUPPORTIVE THERAPY vs cognitive behavioural therapy

• Supportive therapy for schizophrenia 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 65 participants
  Very low

High‐pressure garment therapy vs low‐pressure garment therapy

The review found no eligible studies for this question.

• Pressure‐garment therapy for preventing hypertrophic scarring after burn injury 2024 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Hypofractionated radiotherapy vs radiotherapy

The review found no eligible studies for this question.

• Radiotherapy for diffuse brainstem glioma in children and young adults 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Hyperfractionated radiotherapy vs radiotherapy

The review found no eligible studies for this question.

• Radiotherapy for diffuse brainstem glioma in children and young adults 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Platinum‐containing chemotherapy vs chemotherapy without platinum

The review found no eligible studies for this question.

• Platinum‐based chemotherapy for early triple‐negative breast cancer 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

ATRA in addition to chemotherapy vs chemotherapy alone

The review found no eligible studies for this question.

• Effects of all‐trans retinoic acid (ATRA) in addition to chemotherapy for adults with acute myeloid leukaemia (AML)… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Radiotherapy vs control

• Radiotherapy for neovascular age‐related macular degeneration 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Low

Laser therapy vs no laser therapy

The review found no eligible studies for this question.

• Laser therapy for retinopathy in sickle cell disease 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Morita therapy vs Pharmacological therapy

The review found no eligible studies for this question.

• Morita therapy for anxiety disorders in adults 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Hysterectomy (simple or radical) with radiotherapy vs Radiotherapy alone

The review found no eligible studies for this question.

• Hysterectomy with radiotherapy or chemotherapy or both for women with locally advanced cervical cancer 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

SUPPORTIVE THERAPY vs FAMILY THERAPY

The review found no eligible studies for this question.

• Supportive therapy for schizophrenia 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Hysterectomy (radical) with neoadjuvant chemotherapy vs chemoradiotherapy alone

The review found no eligible studies for this question.

• Hysterectomy with radiotherapy or chemotherapy or both for women with locally advanced cervical cancer 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found