What do systematic reviews say?

Shock wave therapy vs placebo

The review found no eligible studies for this question.

• Shock wave therapy for rotator cuff disease with or without calcification 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Chemmotherapy combined with biological therapy vs chemotherapy alone

Chemmotherapy combined with biological therapy showed no clear difference in quality of life (QoL) compared with chemotherapy (low certainty).

• Salvage systemic therapy for advanced gastric and oesophago‐gastric junction adenocarcinoma 2020 · Cochrane Headline outcomes only
  HR 0.88 [0.74, 1.04]
  2 studies · 1154 participants
  Low

Sclerotherapy (polidocanol) vs sclerotherapy (any sclerosant)

The review found no eligible studies for this question.

• Treatment for telangiectasias and reticular veins 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Oral + inhaled dual therapy vs oral monotherapy

• Dual antibiotics for bronchiectasis 2018 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Stem cell therapy vs peripheral therapy with granulocyte colony‐stimulating factor

• Stem cell therapy for dilated cardiomyopathy 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 22 participants
  Low

Bevacizumab plus chemotherapy vs chemotherapy alone

The review found no eligible studies for this question.

• Angiogenesis inhibitors for the treatment of epithelial ovarian cancer 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Hypofractionated radiotherapy vs daily conventionally fractionated radiotherapy

• External beam radiation dose escalation for high grade glioma 2020 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 361 participants
  GRADE not reported

Taxane‐containing chemotherapy vs any chemotherapy without taxane

• Taxanes for adjuvant treatment of early breast cancer 2019 · Cochrane Headline outcomes only
  no estimate extracted
  7 studies · 7 participants
  Low

Intravenous iron vs oral iron

The review found no eligible studies for this question.

• Iron therapy for preoperative anaemia 2019 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Sclerotherapy (hypertonic saline) vs sclerotherapy (any sclerosant)

The review found no eligible studies for this question.

• Treatment for telangiectasias and reticular veins 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Whole gland primary cryotherapy vs external beam radiotherapy (EBRT)

• Primary cryotherapy for localised or locally advanced prostate cancer 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 195 participants
  Very low

Radiotherapy vs botulinum toxin

The review found no eligible studies for this question.

• Treatment for sialorrhea (excessive saliva) in people with motor neuron disease/amyotrophic lateral sclerosis 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Phototherapy vs sham light

The review found no eligible studies for this question.

• Interventions for bacterial folliculitis and boils (furuncles and carbuncles) 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Sclerotherapy (chromated glycerin) vs sclerotherapy (any sclerosant)

The review found no eligible studies for this question.

• Treatment for telangiectasias and reticular veins 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Whole gland primary cryotherapy vs external beam radiotherapy (EBRT)

• Primary cryotherapy for localised or locally advanced prostate cancer 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 195 participants
  Very low

Single‐fraction radiotherapy (8 Gy) vs short‐course radiotherapy (16 Gy

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

Whole gland primary cryotherapy vs external beam radiotherapy (EBRT)

• Primary cryotherapy for localised or locally advanced prostate cancer 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 195 participants
  Very low

Anti‐EGFR antibody plus chemotherapy vs chemotherapy alone

The review found no eligible studies for this question.

• Epidermal growth factor receptor blockers for the treatment of ovarian cancer 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Chemotherapy with TKI vs chemotherapy alone

Chemotherapy with TKI showed no clear difference in quality of life (QoL) compared with chemotherapy alone (low certainty).

• Angiogenesis inhibitors for the treatment of epithelial ovarian cancer 2023 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 164 participants
  Low

Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy

The review found no eligible studies for this question.

• Marine‐derived n‐3 fatty acids therapy for stroke 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found