Challenges for synthesising data in a network of registries for systemic psoriasis therapies

A Ormerod, M Augustin, C Baker, O Chosidow, A D Cohen, T N Dam, I Garcia-Doval, L L Lecluse, M Schmitt-Egenolf, P I Spuls, K D Watson, L Naldi

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)


Background: Large disease registries are the preferred method to assess long-term treatment safety. If psoriasis registries collaborate in a network, their power to assess safety is increased. Objective: To identify heterogeneity in psoriasis registries and methodological challenges for synthesising the data they provide. Methods: We surveyed the registries in PSONET and identified and addressed the challenges to collaborative analysis for the network in several round table meetings. Results: Eight out of 10 registries had a prospective comparator cohort with similar disease characteristics but not on biologics. Registries differed in the coding and validation or follow-up of adverse events and in the way they sampled their population. Fifteen challenges to registries collaborating were identified in the areas of operational governance, structural conduct, bias and analysis. Conclusions: Participation in PSONET, a network of psoriasis registries, helps identify and solve common issues, enhancing the individual registries, and provides larger sets of more powerful safety data in a diverse population. Challenges to interpreting data collectively include heterogeneity in sampling, variable penetration of biologics and compatibility of different datasets.
Original languageEnglish
Pages (from-to)236-243
Number of pages8
Issue number3
Publication statusPublished - Jul 2012


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