Psoriasis and risk of incident cancer : an inception cohort study with a nested case-control analysis

Brauchli, Yolanda B. and Jick, Susan S. and Miret, Montserrat and Meier, Christoph R.. (2009) Psoriasis and risk of incident cancer : an inception cohort study with a nested case-control analysis. Journal of investigative dermatology, Vol. 129, no. 11. pp. 2604-2612.

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Official URL: http://edoc.unibas.ch/dok/A5255153

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Psoriasis has been associated with lymphohematopoietic and solid cancers; however, reports have been inconsistent. Cancer incidence was compared between psoriasis and psoriasis-free patients, and the roles of psoriasis duration and treatment were explored in this observational study using the UK General Practice Research Database. Among 67,761 patients, 1,703 patients had incident cancer; of whom 54% had a history of psoriasis. Incidence rate ratios for lymphohematopoietic and pancreatic cancers were 1.81 (95% confidence interval (CI) 1.35-2.42) and 2.20 (95% CI 1.18-4.09), respectively. In a nested case-control analysis, adjusted odds ratios (ORs) for cancer overall were 1.50 (95% CI 1.30-1.74) for psoriasis of <or=4 years duration and 1.53 (95% CI 0.97-2.43) for patients receiving systemic treatment (marker of disease severity). Lymphohematopoietic malignancy risk was highest in patients with systemic treatment. The OR for patients without systemic treatment was 1.59 (95% CI 1.01-2.50) for psoriasis of or=2 years duration. Risks of bladder/kidney and colorectal cancers were increased with longer-duration psoriasis. Psoriasis patients may have an increased overall risk of incident cancer (mainly lymphohematopoietic and pancreatic). Longer-term psoriasis and more severe disease may increase the risk of some cancers. These observations need further confirmation, particularly because of the potential of findings by chance in observational studies with subgroup analyses.
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Klinische Pharmakologie > Klinische Pharmakologie (Krähenbühl)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Klinische Pharmakologie > Klinische Pharmakologie (Krähenbühl)
05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Clinical Pharmacy (Meier)
UniBasel Contributors:Meier, Christoph R.
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Nature Publishing Group
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:24 May 2013 09:06
Deposited On:22 Mar 2012 13:35

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