Persistence and effectiveness of the IL-12/23 pathway inhibitor ustekinumab or tumour necrosis factor inhibitor treatment in patients with psoriatic arthritis: 1-year results from the real-world PsABio Study.

"Competing interests: LG reports research grants from: Amgen, Galapagos, Lilly, Pfizer, Sandoz, Sanofi; consulting fees from: AbbVie, Amgen, Bristol-Myers Squibb, Galapagos, Gilead, Janssen, Lilly, Novartis, Pfizer, Samsung Bioepis, Sanofi-Aventis, UCB. SS reports non-financial support from Janssen during the conduct of the study; grants from: Boehringer-Ingelheim, Bristol-Myers Squibb; personal fees from: AbbVie, Biogen, Novartis; grants and personal fees from: Amgen (previously Celgene), GlaxoSmithKline, Janssen, UCB; all outside the submitted work. PB is a full-time employee of Janssen and owns stock at Johnson & Johnson. KdV reports personal fees from Janssen. EG reports payment or honoraria from AbbVie, Bristol-Myers Squibb, Eli Lilly, GlaxoSmithKline, Janssen, Novartis, Pfizer, Sanofi. BJI has nothing to disclose. TVK reports consulting fees from MCD, Pfizer, Janssen, BiOCAD, AbbVie, Novartis, Sandoz, Lilly. FL reports non-financial support, full-time employment and restricted share units from Janssen during the conduct of the study. WN is a full-time employee of and owns stock at Johnson & Johnson. MTN reports grants and non-financial support from Janssen during the conduct of the study; grants from: Bristol-Myers Squibb, Amgen, Pfizer; grants and personal fees from: AbbVie, Eli Lilly; all outside the submitted work. PPS reports non-financial support from Janssen during the conduct of the study; grants from: UCB; personal fees from: Merck Sharpe & Dohme; grants and personal fees from: AbbVie, Lilly, Pfizer, Novartis; all outside the submitted work. ET is a full-time employee of Janssen. JSS reports grants to his institution from: AbbVie, Astro, AstraZeneca, Janssen, Lilly, Merck Sharpe & Dohme, Pfizer, and Roche; providing expert advice for or had symposia speaking engagements with: AbbVie, Amgen, AstraZeneca, Astro, Bristol-Myers Squibb, Celgene, Celltrion, Chugai, Gilead, ILTOO Pharma, Janssen, Lilly, Merck Sharp & Dohme, Novartis-Sandoz, Pfizer, R-Pharm, Roche, Samsung, Sanofi, and UCB."

"Funding: This study was sponsored by Janssen. Medical writing and editorial support were funded by Janssen."