What do systematic reviews say?

Probiotics vs placebo

• Probiotics for the prevention or treatment of chemotherapy‐ or radiotherapy‐related diarrhoea in people with cancer 2018 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 771 participants
  Low

Probiotics vs placebo

Probiotics may leads to lower any diarrhoea compared with placebo (low certainty).

• Probiotics for the prevention or treatment of chemotherapy‐ or radiotherapy‐related diarrhoea in people with cancer 2018 · Cochrane Headline outcomes only
  RR 0.59 [0.36, 0.96]
  2 studies · 106 participants
  Low

Probiotics vs other active intervention

It is very uncertain whether probiotics changes any diarrhoea compared with other active treatment (very low certainty).

• Probiotics for the prevention or treatment of chemotherapy‐ or radiotherapy‐related diarrhoea in people with cancer 2018 · Cochrane Headline outcomes only
  RR 0.3 [0.11, 0.81]
  1 study · 21 participants
  Very low