Findings

What do systematic reviews say?

6 questions · 6 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 16.7%Low 4 · 66.7%Moderate 1 · 16.7%High 0 · 0%

Cannabinoids vs placebo

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

Cannabinoids showed no clear difference in absence of nausea ( 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 2 [0.2, 21]
2 studies · 96 participants
Low

Cannabinoids vs other anti‐emetic agent

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

Cannabinoids showed no clear difference in absence of nausea ( 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 1.46 [0.67, 3.15]
5 studies · 258 participants
Low

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 nausea ( · people with chemotherapy‐induced nausea and vomiting

It is very uncertain whether cannabinoid plus other anti‐emetic agent changes absence of nausea ( compared with other anti‐emetic monotherapy (very low certainty).

1 finding from 1 review

Cannabinoids for nausea and vomiting in adults with cancer receiving chemotherapy 2015 · Cochrane Headline outcomes only
RR 10 [0.61, 183]
1 study · 37 participants
Very 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