Parkinson's disease and cancer: a systematic review and meta-analysis of over 17 million participants.
Parkinson's disease and cancer: a systematic review and meta-analysis of over 17 million participants.
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DOI:
10.1136/bmjopen-2020-046329
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发表时间:
2021-07-02
期刊:
影响因子:
2.9
通讯作者:
Gao X
中科院分区:
文献类型:
--
作者:
Zhang X;Guarin D;Mohammadzadehhonarvar N;Chen X;Gao X
To systematically review and qualitatively evaluate epidemiological evidence on associations between Parkinson’s disease (PD) and cancer via meta-analysis. MEDLINE via PubMed, Web of Science and EMBASE, until March 2021. Included were publications that (1) were original epidemiological studies on PD and cancer; (2) reported risk estimates; (3) were in English. Exclusion criteria included: (1) review/comments; (2) biological studies; (3) case report/autopsy studies; (4) irrelevant exposure/outcome; (5) treated cases; (6) no measure of risk estimates; (7) no confidence intervals/exact p values and (8) duplicates. PRISMA and MOOSE guidelines were followed in data extraction. Two-step screening was performed by two authors blinded to each other. A random-effects model was used to calculate pooled relative risk (RR). We included publications that assessed the risk of PD in individuals with vs without cancer and the risk of cancer in individuals with vs without PD. A total of 63 studies and 17 994 584 participants were included. Meta-analysis generated a pooled RR of 0.82 (n=33; 95% CI 0.76 to 0.88; p<0.001) for association between PD and total cancer, 0.76 (n=21; 95% CI 0.67 to 0.85; p<0.001) for PD and smoking-related cancer and 0.92 (n=19; 95% CI 0.84 to 0.99; p=0.03) for non-smoking-related cancer. PD was associated with an increased risk of melanoma (n=29; pooled RR=1.75; 95% CI 1.43 to 2.14; p<0.001) but not for other skin cancers (n=17; pooled RR=0.90; 95% CI 0.60 to 1.34; p=0.60). PD and total cancer were inversely associated. This inverse association persisted for both smoking-related and non-smoking-related cancers. PD was positively associated with melanoma. These results provide evidence for further investigations for possible mechanistic associations between PD and cancer. CRD42020162103.
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影响因子:
12.6
作者:
Feng DD;Cai W;Chen X
通讯作者:
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影响因子:
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作者:
Baade, P. D.;Fritschi, L.;Freedman, D. M.
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DOI:
10.1016/j.ecl.2017.07.007
发表时间:
2017-12
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通讯作者:
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作者:
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Rocca, WA