What do systematic reviews say?

Summary of findings: Proteolytic enzymes vs placebo or control

Summary of findings: Proteolytic enzymes may leads to lower acute and late GI toxicity (grade 2+) compared with control (placebo or no intervention) (low certainty).

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  RR 0.45 [0.24, 0.88]
  1 study · 120 participants
  Low

Summary of findings: Proteolytic enzymes vs placebo or control

It is very uncertain whether summary of findings: Proteolytic enzymes changes diarrhoea (grade 2+) compared with control (placebo or no intervention) (very low certainty).

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  RR 1.6 [0.89, 2.89]
  1 study · 56 participants
  Very low

Summary of findings: Proteolytic enzymes vs placebo or control

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Glutamine vs placebo

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Glutamine vs placebo

Summary of findings: Glutamine showed no clear difference in acute and late GI toxicity (grade 2+) compared with placebo (low certainty).

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  RR 2.4 [0.68, 8.53]
  1 study · 69 participants
  Low

Glutamine vs placebo

Summary of findings: Glutamine showed no clear difference in diarrhoea (grade 2+) compared with placebo (high certainty).

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  RR 0.98 [0.78, 1.24]
  4 studies · 289 participants
  High

Glutamine vs placebo

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: BT vs external beam radiotherapy (EBRT)

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  0 participants
  GRADE not reported

Counselling vs no intervention

Summary of findings: Counselling showed no clear difference in mean GI symptom scores (lower is better) compared with no intervention (low certainty).

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  MD 0.08
  1 study · 152 participants
  Low

Counselling vs no intervention

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Counselling vs no intervention

Summary of findings: Counselling may leads to lower diarrhoea (grade 2+) compared with no intervention (low certainty).

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  RR 0.12 [0.03, 0.47]
  1 study · 74 participants
  Low

Counselling vs no intervention

It is very uncertain whether summary of findings: Counselling changes QOL scores (5‐point VAS; lower is better) compared with no intervention (very low certainty).

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 152 participants
  Very low

Summary of findings: BT vs external beam radiotherapy (EBRT)

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 348 participants
  GRADE not reported

Summary of findings: Reduced dose volume vs standard dose volume

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: Reduced dose volume vs standard dose volume

Summary of findings: Reduced dose volume showed no clear difference in acute and late GI toxicity (grade 2+) compared with standard dose volume (moderate certainty).

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  RR 1.21 [0.81, 1.81]
  1 study · 211 participants
  Moderate

Summary of findings: Reduced dose volume vs standard dose volume

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: Reduced dose volume vs standard dose volume

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: Higher bladder volume vs lower bladder volume

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: Higher bladder volume vs lower bladder volume

Summary of findings: Higher bladder volume showed no clear difference in acute and late GI toxicity (grade 2+) compared with lower bladder volume (low certainty).

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  RR 2.22 [0.62, 7.93]
  1 study · 110 participants
  Low

Summary of findings: Higher bladder volume vs lower bladder volume

The review found no eligible studies for this question.

• Interventions to reduce acute and late adverse gastrointestinal effects of pelvic radiotherapy for primary pelvic… 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found