Findings

What do systematic reviews say?

6 questions · 6 findings · 1 reviews · Gynaecological, Neuro-oncology and Orphan Cancer

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 4 · 66.7%Moderate 2 · 33.3%High 0 · 0%

Cannabinoids vs placebo

Absence of vomiting ( · people with chemotherapy‐induced nausea and vomiting

Cannabinoids may leads to higher absence of vomiting ( compared with placebo (low certainty).

1 finding from 1 review

Cannabinoids for nausea and vomiting in adults with cancer receiving chemotherapy 2015 · Cochrane Headline outcomes only
RR 5.7 [2.6, 12.6]
3 studies · 168 participants
Low

Cannabinoids vs other anti‐emetic agent

Absence of vomiting ( · people with chemotherapy‐induced nausea and vomiting

Cannabinoids showed no clear difference in absence of vomiting ( compared with other anti‐emetic agent (moderate certainty).

1 finding from 1 review

Cannabinoids for nausea and vomiting in adults with cancer receiving chemotherapy 2015 · Cochrane Headline outcomes only
RR 1.1 [0.86, 1.4]
4 studies · 209 participants
Moderate

Cannabinoids vs placebo

Absence of nausea and vomiting ( · people with chemotherapy‐induced nausea and vomiting

Cannabinoids probably leads to higher absence of nausea and vomiting ( compared with placebo (moderate certainty).

1 finding from 1 review

Cannabinoids for nausea and vomiting in adults with cancer receiving chemotherapy 2015 · Cochrane Headline outcomes only
RR 2.9 [1.8, 4.7]
3 studies · 288 participants
Moderate

Cannabinoids vs other anti‐emetic agent

Absence of nausea and vomiting ( · people with chemotherapy‐induced nausea and vomiting

Cannabinoids showed no clear difference in absence of nausea and vomiting ( compared with other anti‐emetic agent (low certainty).

1 finding from 1 review

Cannabinoids for nausea and vomiting in adults with cancer receiving chemotherapy 2015 · Cochrane Headline outcomes only
RR 2 [0.74, 5.4]
4 studies · 414 participants
Low

Cannabinoid plus other anti‐emetic agent vs other anti‐emetic monotherapy

Absence of vomiting ( · people with chemotherapy‐induced nausea and vomiting

Cannabinoid plus other anti‐emetic agent showed no clear difference in absence of vomiting ( compared with other anti‐emetic monotherapy (low certainty).

1 finding from 1 review

Cannabinoids for nausea and vomiting in adults with cancer receiving chemotherapy 2015 · Cochrane Headline outcomes only
RR 1.5 [0.69, 3.1]
2 studies · 89 participants
Low

Cannabinoid plus other anti‐emetic agent vs other anti‐emetic monotherapy

Absence of nausea and vomiting ( · people with chemotherapy‐induced nausea and vomiting

Cannabinoid plus other anti‐emetic agent showed no clear difference in absence of nausea and vomiting ( compared with other anti‐emetic monotherapy (low certainty).

1 finding from 1 review

Cannabinoids for nausea and vomiting in adults with cancer receiving chemotherapy 2015 · Cochrane Headline outcomes only
RR 1.6 [0.68, 3.6]
1 study · 37 participants
Low