Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

121 questions · 139 findings · 21 reviews · Gynaecological, Neuro-oncology and Orphan Cancer

No studies found 42 · 30.2%GRADE not reported 6 · 4.3%Very low 20 · 14.4%Low 38 · 27.3%Moderate 15 · 10.8%High 18 · 12.9%

Highest vs lowest selenium exposure

Colorectal cancer risk (16 studies) · Participants in non experimental cohort studies on selenium and cancer

It is very uncertain whether highest changes colorectal cancer risk No. of participants: 712,746 (6 observational… compared with lowest selenium exposure (very low certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Lung cancer risk (17 studies) · Participants in non experimental cohort studies on selenium and cancer

It is very uncertain whether highest changes lung cancer risk No. of participants: 371,067 (11 observational… compared with lowest selenium exposure (very low certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Breast cancer risk (14 studies) · Participants in non experimental cohort studies on selenium and cancer

It is very uncertain whether highest changes breast cancer risk (women) No. of participants: 169,028 (8… compared with lowest selenium exposure (very low certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Bladder cancer risk No. of participants: 279,100 (5 observational studies) · Participants in non experimental cohort studies on selenium and cancer

It is very uncertain whether highest changes bladder cancer risk No. of participants: 279,100 (5 observational… compared with lowest selenium exposure (very low certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Prostate cancer risk (13 studies) · Participants in non experimental cohort studies on selenium and cancer

It is very uncertain whether highest changes prostate cancer risk No. of participants: 576,667 (21 observational… compared with lowest selenium exposure (very low certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Cancer mortality risk No. of participants: 17,448 (1 RCT) · Participants in trials with low risk of bias

Highest showed no clear difference in cancer mortality risk No. of participants: 17,448 (1 RCT) compared with lowest selenium exposure (high certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Colorectal cancer risk (16 studies) · Participants in trials with low risk of bias

Highest showed no clear difference in colorectal cancer risk No. of participants: 19,009 (2 RCTs) compared with lowest selenium exposure (high certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Non‐melanoma skin cancer risk No. of participants: 2027 (2 RCTs) · Participants in trials with low risk of bias

Highest showed no clear difference in non‐melanoma skin cancer risk No. of participants: 2027 (2 RCTs) compared with lowest selenium exposure (moderate certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Lung cancer risk (17 studies) · Participants in trials with low risk of bias

Highest showed no clear difference in lung cancer risk No. of participants: 19,009 (2 RCTs) compared with lowest selenium exposure (high certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Breast cancer risk (14 studies) · Participants in trials with low risk of bias

Highest showed no clear difference in breast cancer risk No. of participants: 802 (1 RCT) compared with lowest selenium exposure (moderate certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Bladder cancer risk No. of participants: 19,009 (2 RCTs) · Participants in trials with low risk of bias

Highest showed no clear difference in bladder cancer risk No. of participants: 19,009 (2 RCTs) compared with lowest selenium exposure (high certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Prostate cancer risk (13 studies) · Participants in trials with low risk of bias

Highest showed no clear difference in prostate cancer risk No. of participants: 18,942 (4 RCTs) compared with lowest selenium exposure (high certainty).

1 finding from 1 review

Highest vs lowest selenium exposure

Any cancer risk No. of participants: 76,239 (7 observational studies) · Participants in non experimental cohort studies on selenium and cancer

It is very uncertain whether highest changes any cancer risk No. of participants: 76,239 (7 observational studies) compared with lowest selenium exposure (very low certainty).

1 finding from 1 review

Summary of findings: Higher bladder volume vs lower bladder volume

Acute and late GI toxicity (grade 2+) · Men undergoing RT for prostate cancer

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).

1 finding from 1 review

Summary of findings table ‐ Newly‐diagnosed EOC: PARPi monotherapy vs placebo (maintenance therapy)

Adverse events (grade ≥ 3) · newly‐diagnosed EOC

It is very uncertain whether summary of findings table ‐ Newly‐diagnosed EOC: PARPi monotherapy changes any severe adverse event (grade 3 or higher) (G3+ SevAE ) compared with placebo (maintenance therapy) (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Platinum‐sensitive recurrent EOC: PARPi monotherapy vs chemotherapy alone

Adverse events (grade ≥ 3) · platinum‐sensitive recurrent EOC

Summary of findings table ‐ Platinum‐sensitive recurrent EOC: PARPi… showed no clear difference in any severe adverse event (grade 3 or higher) (G3+ SevAE) compared with chemotherapy (low certainty).

1 finding from 1 review

Summary of findings table ‐ Platinum‐sensitive recurrent EOC: PARPi monotherapy vs placebo (maintenance therapy)

Adverse events (grade ≥ 3) · platinum‐sensitive recurrent EOC

Summary of findings table ‐ Platinum‐sensitive recurrent EOC: PARPi… may leads to higher any severe adverse event (grade 3 or higher) (G3+ SevAE) compared with placebo after chemotherapy (maintenance therapy) (low certainty).

1 finding from 1 review