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Abstract Number: 2234

Disagreement Between Patient and Physician Global Assessment over Time in Psoriatic Arthritis: Insight into Treatment Priorities

Proton Rahman1, Laura Coates2, Peter Nash3, Atul Deodhar4, Francois Nantel5, Emmanouil Rampakakis6, Louis Bessette7, A. Marilise Marrache8, Frederic Lavie9, May Shawi10 and William R Tillett11, 1Craig Dobbin Research Institute, Memorial University, St. John's, NL, Canada, 2University of Oxford, Oxford, United Kingdom, 3School of Medicine, Griffith University, Brisbane, Australia, 4Division of Arthritis and Rheumatic Disease, Oregon Health & Science University, Portland, OR, 5Nantel Medsci Consult, Consultant, Montreal, QC, Canada, 6McGill University, Department of Pediatrics / JSS Medical Research, Scientific Affairs, Montreal, QC, Canada, 7Centre de l'Ostéoporose et de Rhumatologie de Québec, Quebec City, QC, Canada, 8Janssen Inc., Rheumatology and Biologics, Dollard-des-Ormeaux, QC, Canada, 9The Janssen Pharmaceutical Companies of Johnson & Johnson, Paris, France, 10Immunology, Janssen Research & Development, LLC, Titusville, NJ, 11Department of Rheumatology, Royal National Hospital for Rheumatic Diseases, Bath, United Kingdom

Meeting: ACR Convergence 2023

Keywords: Patient reported outcomes, Psoriatic arthritis

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Session Information

Date: Tuesday, November 14, 2023

Title: (2227–2256) Spondyloarthritis Including Psoriatic Arthritis – Treatment: SpA Poster III

Session Type: Poster Session C

Session Time: 9:00AM-11:00AM

Background/Purpose: The PsA core domain set developed by the Outcome Measures in Rheumatology working group includes musculoskeletal disease, fatigue, physical function, and structural damage, of which arthritis activity, pain, and fatigue were identified as essential by both patients (Pts) and physicians (Phs).1-2 Assessing agreement between Pt and Ph global assessments (GA) may provide valuable insight into differential importance of specific PsA manifestations to Pts vs Phs. Although previous studies have assessed Pt/Ph disagreement, they have not evaluated potential variation over time.3 This study assessed the agreement of PtGA and PhGA through week (W) 24 and identified factors driving disagreement between PtGA and PhGA using pooled data (N=1120) from the phase 3 DISCOVER (D)1 & 2 studies of the fully human IL-23p19 subunit inhibitor, guselkumab (GUS).

Methods: Pts with active PsA despite standard therapies (D1: ≥3 swollen/tender joint counts [SJC/TJC], CRP ≥0.3 mg/dL, ~30% with prior TNF inhibitors [TNFi]; D2: ≥5 SJC/TJC, CRP ≥0.6 mg/dL, biologic-naïve) were randomized 1:1:1 to GUS 100 mg every 4 weeks (Q4W); GUS 100 mg at W0, W4, Q8W; or placebo. Pt/Ph agreement was defined as a difference of -15< PhGA-PtGA< 15. Determinants of PhGA exceeding PtGA by ≥15 (PhGA >PtGA) and PtGA exceeding PhGA by ≥15 (PtGA >PhGA) among Pts with PtGA/PhGA disagreement were assessed with the same logistic regression model considering Pt demographics, disease characteristics, and Pt-reported outcomes (PROs). The effect of GUS on disease parameters identified as determinants of PtGA vs PhGA disagreement was assessed with repeated measures mixed models adjusting for treatment group, baseline (BL) levels, prior TNFi use, and BL DMARD use.

Results: At BL, mean (SD) SJC=11.5 (7.4), TJC=20.6 (13.3), Functional Assessment of Chronic Illness Therapy (FACIT)-Fatigue score=29.9 (10.0), PtGA=66.9 (19.9), and PhGA=64.8 (15.9) were consistent with moderate to high disease activity. Agreement between PtGA and PhGA was seen in most instances (61.2%); 23.2% of cases were characterized by PtGA >PhGA and 15.7% by PhGA >PtGA. The proportion of Pts with PtGA >PhGA increased to 39.1% at W24, while that with PhGA >PtGA decreased to 11.2%. The main determinant of PtGA >PhGA was higher Pt Pain (all time points); additional factors included worse physical health-related quality of life at BL and worse fatigue at W24 (Table). Conversely, Phs emphasized objective disease measures, namely higher SJC (all time points) and TJC (W8 to W24), and elevated CRP (BL to W16). GUS treatment was associated with prompt and sustained significant improvements in all identified determinants, including those driving PtGA >PhGA (Figure).

Conclusion: PtGA and PhGA were aligned in most encounters. PtGA >PhGA disagreement was driven by pain, fatigue, and physical health being weighed more by Pts than Phs. These findings have important implications in shared decision making and highlight the need to prioritize treatments addressing the full spectrum of PsA symptoms, including PROs.

References
1. Leung YY, et al. J Rheum. 2020 (Suppl);96:46
2. Mease PJ, et al. Ann Rheum Dis. 2022;81:879
3. Desthieux C, et al. Arthritis Care Res. 2017;69:1606

Supporting image 1

Supporting image 2


Disclosures: P. Rahman: AbbVie, 2, Amgen, 2, Bristol Myers Squibb, 2, Celgene, 2, Eli Lilly, 2, Janssen, 2, 5, Novartis, 2, 5, Pfizer, 2, UCB, 2; L. Coates: AbbVie, 2, 5, 6, Amgen, 2, 5, 6, Biogen, 6, Bristol Myers Squibb, 2, Celgene, 2, 5, 6, Eli Lilly, 2, 5, 6, Galapagos, 2, 6, Gilead Sciences, 2, 6, GSK, 6, Janssen, 2, 5, 6, Medac, 6, MoonLake, 2, Novartis, 2, 5, 6, Pfizer Inc, 2, 5, 6, UCB, 2, 5, 6; P. Nash: AbbVie, 5, 6, Bristol Myers Squibb, 5, 6, Celgene, 5, 6, Eli Lilly, 5, 6, Galapagos, 5, 6, GSK, 5, 6, Janssen, 5, 6, Novartis, 5, 6, Pfizer Inc, 5, 6; A. Deodhar: AbbVie, 2, 5, Amgen, 2, Aurinia, 2, Bristol Myers Squibb, 2, 5, Celgene, 5, Eli Lilly, 2, 5, Janssen, 2, 6, MoonLake, 2, 5, Novartis, 2, 5, 6, Pfizer Inc, 2, 5, 6, UCB, 2, 5; F. Nantel: Janssen, 2, Johnson & Johnson, 11; E. Rampakakis: Janssen, 2, JSS Medical Research, Inc, 3; L. Bessette: AbbVie, 2, 5, 6, Amgen, 2, 5, 6, Bristol Myers Squibb, 2, 5, 6, Eli Lilly, 2, 5, 6, Fresenius Kabi, 2, 6, Gilead, 2, 5, 6, JAMP Pharma, 2, 5, 6, Janssen, 2, 5, 6, Novartis, 2, 5, 6, Organon, 2, 6, Pfizer, 2, 5, 6, Sandoz, 2, 6, Sanofi, 2, 5, 6, Teva, 2, 6, UCB, 2, 5, 6, UCBA, 5; A. Marrache: Janssen, Inc., 3, Johnson & Johnson, 11; F. Lavie: Janssen, 3, Johnson & Johnson, 11; M. Shawi: Immunology Global Medical Affairs, Janssen Pharmaceutical Companies of Johnson & Johnson, 3, Johnson & Johnson, 11; W. Tillett: AbbVie, 2, 5, 6, Amgen, 2, 5, 6, Celgene, 2, 5, 6, Eli Lilly, 2, 5, 6, GSK, 2, 5, 6, Janssen, 2, 5, 6, MSD, 2, 5, 6, Novartis, 2, 5, 6, Ovo Pharma, 2, 5, 6, Pfizer, 2, 5, 6, UCB Pharma, 2, 5, 6.

To cite this abstract in AMA style:

Rahman P, Coates L, Nash P, Deodhar A, Nantel F, Rampakakis E, Bessette L, Marrache A, Lavie F, Shawi M, Tillett W. Disagreement Between Patient and Physician Global Assessment over Time in Psoriatic Arthritis: Insight into Treatment Priorities [abstract]. Arthritis Rheumatol. 2023; 75 (suppl 9). https://acrabstracts.org/abstract/disagreement-between-patient-and-physician-global-assessment-over-time-in-psoriatic-arthritis-insight-into-treatment-priorities/. Accessed .
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