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Abstract
Objectives Tofacitinib is an oral Janus kinase inhibitor for treatment of psoriatic arthritis (PsA). Patient-reported outcomes (PROs) were evaluated in patients with PsA with inadequate responses to tumour necrosis factor inhibitors (TNFi-IR) in a 6-month, phase III randomised controlled trial (OPAL Beyond [NCT01882439]).
Methods Patients (N=394) received tofacitinib 5 or 10 mg twice daily or placebo (advancing to tofacitinib 5 or 10 mg twice daily at month 3). Least squares mean changes from baseline and percentages of patients reporting improvements ≥minimum clinically important differences and scores ≥normative values were determined in Patient Global Assessment of disease activity (PtGA), Pain, Patient Global Joint and Skin Assessment (PGJS), Short Form-36 Health Survey version 2 (SF-36v2), Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-Fatigue), EuroQol 5-Dimensions-3-level (EQ-5D-3L), EQ-VAS and Ankylosing Spondylitis Quality of Life (ASQoL). Nominal p values are without multiple comparison adjustments.
Results At month 3, PtGA, Pain, PGJS, SF-36v2 Physical Component Summary (PCS), physical functioning (PF), bodily pain (BP), vitality and social functioning (SF) domains, FACIT-Fatigue Total score, EQ-5D-3L pain/discomfort, EQ-VAS and ASQoL scores exceeded placebo with both tofacitinib doses (role physical [RP] with 10 mg twice daily only; p≤0.05). Patients reporting improvements ≥MCID (%) in PtGA, PGJS, Pain, ASQoL and SF-36v2 PCS, PF, RP, BP, SF (both tofacitinib doses) exceeded placebo (p≤0.05).
Conclusion TNFi-IR patients with PsA receiving tofacitinib reported statistically and clinically meaningful improvements in PROs versus placebo over 3 months, which were maintained to month 6. Despite lower baseline scores, these improvements were similar to the csDMARD-IR TNFi-naive OPAL Broaden trial.
- DMARDs (biologic)
- psoriatic arthritis
- patient perspective
- outcomes research
- treatment
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Footnotes
Contributors All authors were involved in the analysis and interpretation of data, and critically revising the manuscript for important intellectual content. All authors agree to be accountable for all aspects of the work, and read and approved the final manuscript to be published.
Funding This study was funded by Pfizer Inc.
Competing interests VS has received consulting fees from AbbVie, Amgen, AstraZeneca, Bayer, Boehringer Ingelheim, Bristol-Myers Squibb, Celltrion, Genentech/Roche, GSK, Janssen, Lilly, Merck, Novartis, Pfizer Inc, Regeneron, Samsung, Sandoz, Sanofi and UCB. KdV is a consultant and advisory board member for Pfizer Inc. JAC-C is an investigator for Pfizer Inc. PJM has received research grants from AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Janssen, Lilly, Novartis, Pfizer Inc, Sun and UCB; has acted as a consultant for AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Corrona, Janssen, Lilly, Merck, Novartis, Pfizer Inc, Sun, UCB and Zynerba; and has participated in speakers’ bureaus for AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Genentech, Janssen, Novartis, Pfizer Inc and UCB. DDG has received research grants from AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Janssen, Lilly, Novartis, Pfizer Inc and UCB; and has acted as a consultant for AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Janssen, Lilly, Novartis, Pfizer Inc and UCB. EK, JW, JCC, and M-AH are shareholders and employees of Pfizer Inc. LC and TH are shareholders and were employees of Pfizer Inc during the time of this analysis.
Patient consent Not required.
Ethics approval This trial was conducted in accordance with the Good Clinical Practice guidelines of the International Conference on Harmonisation and with the principles of the Declaration of Helsinki. The trial protocol and all documentation were approved by the institutional review board or independent ethics committee at each investigational site.
Provenance and peer review Not commissioned; externally peer reviewed.
Data sharing statement Upon request, and subject to certain criteria, conditions and exceptions (see https://www.pfizer.com/science/clinical-trials/trial-data-and-results for more information), Pfizer will provide access to individual deidentified participant data from Pfizer-sponsored global interventional clinical studies conducted for medicines, vaccines and medical devices (1) for indications that have been approved in the USA and/or EU or (2) in programmes that have been terminated (ie, development for all indications has been discontinued). Pfizer will also consider requests for the protocol, data dictionary and statistical analysis plan. Data may be requested from Pfizer trials 24 months after study completion. The deidentified participant data will be made available to researchers whose proposals meet the research criteria and other conditions, and for which an exception does not apply, via a secure portal. To gain access, data requestors must enter into a data access agreement with Pfizer.