Declaration of interest
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
Reviewer disclosures
A reviewer on this manuscript has disclosed that they have been an investigator on several clinical trials for biologics in this indication in the U.S.A. and are a member of the advisory boards for Abbvie, Eli Lilly, Amgen, Janssen, Pfizer, UCB and BMS. Peer reviewers on this manuscript have no other relevant financial relationships or otherwise to disclose.
Author contributions
S Boskovic and S Borriello have given substantial contributions to the conception or the design of the manuscript. All authors have participated in drafting the manuscript. All authors read and approved the final version of the manuscript.