Distinct long-term disease activity trajectories differentiate early on treatment with etanercept in both rheumatoid arthritis and spondylarthritis patients: a prospective cohort study.

"Declarations Conflict of InterestAR: Honoraria for lectures/presentations from MSD&Lilly and support for attending meetings from Abbvie; NA: Honoraria for lectures/presentations from Abbvie, Pfizer&Lilly and support for attending meetings from Abbvie, MSD&Pfizer; GB: Consulting fees from AstraZeneca&GS, and honoraria for lectures/presentations from Pfizer, Novartis, UCB, Aenorasis&GSK; PS: Research grants from Pfizer, MSD, Abbvie, Lilly, Novartis, Amgen, consulting fees from Abbvie, Pfizer, Lilly; IF, AB, AE, SP, EK, MT: No conflicts of interest. Ethical ApprovalThis study was performed in line with the principles of the Declaration of Helsinki. Ethical approval was obtained from the Institutional Review-Board of the University Hospital of Heraklion, Crete (decision-number:1476/20-03-2012). Consent to participate and to publishWritten informed consent was obtained from all participants included in the study regarding their participation and publishing of anonymized data. Conflict of Interest AR: Honoraria for lectures/presentations from MSD&Lilly and support for attending meetings from Abbvie; NA: Honoraria for lectures/presentations from Abbvie, Pfizer&Lilly and support for attending meetings from Abbvie, MSD&Pfizer; GB: Consulting fees from AstraZeneca&GS, and honoraria for lectures/presentations from Pfizer, Novartis, UCB, Aenorasis&GSK; PS: Research grants from Pfizer, MSD, Abbvie, Lilly, Novartis, Amgen, consulting fees from Abbvie, Pfizer, Lilly; IF, AB, AE, SP, EK, MT: No conflicts of interest."

"Funding Open access funding provided by HEAL-Link Greece. This study has been supported by the "Pancretan Health Organization” and also through a Pfizer Research Grant (ID number 55999165). Neither of the two funders had a role in study design, collection, analysis and interpretation of the data, in the writing of the manuscript and in the decision to submit the manuscript for publication."