Previously reported PDE3A-SLCO1C1 genetic variant does not correlate with anti-TNF response in a large UK rheumatoid arthritis cohort.

Pharmacogenomics 2016 05 16;17(7):715-20. Epub 2016 May 16.

Arthritis Research UK, Centre for Genetics & Genomics, Centre for Musculoskeletal Research, Manchester Academic Health Sciences Centre, The University of Manchester, Manchester, UK.

Aim: A genetic variant has recently reached genome-wide significance for association with TNF-inhibitor response in rheumatoid arthritis patients. Here we undertake a replication study in a UK Caucasian population to test for association with TNF-inhibitor response.

Materials & Methods: The genetic variant, rs3794271, located within the PDE3A-SLCO1C1 locus was analyzed for correlation with treatment response using both the EULAR classification criteria and absolute change in (Δ)DAS28 scores as outcome measures.

Results: Genotype data were available from 1750 TNF-inhibitor treated individuals. However, no evidence for association was observed (EULAR: p = 0.91 and ΔDAS28: p = 0.93). Furthermore, no significant associations were observed upon stratification by the anti-TNF received (p > 0.05).

Conclusion: In the largest replication cohort conducted to date, no evidence for association was observed.

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Source
http://dx.doi.org/10.2217/pgs.16.16DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4996314PMC
May 2016
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