Clinical, genetic and omics-based biomarkers that might support the identification of the development of psoriatic arthritis in individuals with psoriasis – a narrative review of t... ‌ Grohmann, T, Vivekanantham, A, Coates, L, Pennington, S, FitzGerald, O

Relationships between psoriatic arthritis composite measures of disease activity with patient-reported outcomes in Phase 3 studies of tofacitinib ‌ Coates, L, Bushmakin, AG, FitzGerald, O, Gladman, DD, Fallon, L, Cappelleri, JC, Hsu, MA, Helliwell, PS

Evaluation and validation of a patient completed psoriatic arthritis flare questionnaire ‌ Helliwell, PS, Tillett, W, Waxman, R, Coates, LC, Brooke, M, FitzGerald, O, Packham, JC, McHugh, N

Screening/referral strategies for the early recognition of psoriatic arthritis (PsA) among patients with psoriasis: results of a GRAPPA survey ‌ Song, K, Eder, L, FitzGerald, O, Goel, N, Helliwell, PS, Katz, A, Merola, JF, Rosen, CF, Coates, L, Poddubnyy, D

GRAPPA 2017 Project Report ‌ Callis Duffin, K, FitzGerald, O, Kavanaugh, A, Mease, P, Merola, J, Ogdie, A, O'Sullivan, D, Reddy, S, Ritchlin, C, Coates, L

Psoriatic arthritis ‌ FitzGerald, O, Ogdie, A, Chandran, V, Coates, LC, Kavanaugh, A, Tillett, W, Leung, YY, deWit, M, Scher, JU, Mease, PJ

Safety and efficacy of tofacitinib up to 48 months in patients with active psoriatic arthritis: final analysis of the OPAL Balance long-term extension study ‌ Nash, P, Coates, LC, Fleishaker, D, Kivitz, AJ, Mease, PJ, Gladman, DD, FitzGerald, O, Wang, C, Wu, J, Hsu, M-A, Menon, S, Fallon, L, Kanik, KS

Outcomes of the 2019 GRAPPA workshop on continuous composite indices for the assessment of psoriatic arthritis and membership: Recommended next steps ‌ Tillett, W, McHugh, N, Orbai, AM, Ogdie, A, Leung, YY, Coates, LC, Mease, P, Gladman, DD, Brooke, M, Packham, J, O’Sullivan, D, FitzGerald, O, Helliwell, PS

GRAPPA 2019 project report ‌ Goel, N, Coates, LC, De Marco, G, Eder, L, FitzGerald, O, Helliwell, PS, Leung, YY, Maksymowych, WP, Mease, PJ, Østergaard, M, O’Sullivan, D, Poddubnyy, D, Ritchlin, CT, Gladman, DD

Safety and efficacy of Tofacitnib in patients with active psoriatic arthritis: Interim analysis of OPAL balance, an open-label, long-term extension study ‌ Nash, P, Coates, LC, Kivitz, AJ, Mease, PJ, Gladman, DD, Covarrubias-Cobos, JA, FitzGerald, O, Fleishaker, D, Wang, C, Wu, J, Hsu, M-A, Menon, S, Fallon, L, Romero, AB, Kanik, KS

The GRAPPA-OMERACT Working Group: 4 prioritized domains for completing the core outcome measurement set for psoriatic arthritis 2019 updates ‌ Leung, YY, Tillett, W, Orbai, AM, Ogdie, A, Eder, L, Coates, LC, Holland, R, Antony, A, Goel, N, Mease, PJ, Strand, V, FitzGerald, O, de Wit, M, Lindsay, CA, Duffin, KC, Gladman, DD

Initiating evaluation of composite outcome measures for psoriatic arthritis: 2022 updates from the GRAPPA-OMERACT Working Group ‌ Leung, Y-Y, Tillett, W, de Wit, M, Orbai, A-M, Coates, LC, FitzGerald, O, Helliwell, PS, Strand, V, Mease, P, Goel, N, Christensen, R, Merola, JF, Lindsay, C, Ogdie, A, Gossec, L, Gladman, DD

The phenotype of axial spondyloarthritis: is it dependent on HLA‐B27 status? ‌ Coates, LC, Baraliakos, X, Blanco Garcia, F, Blanco-Morales, E, Braun, J, Chandran, V, Fernandez-Sueiro, JL, FitzGerald, O, Gallagher, P, Gladman, DD, Gubar, E, Korotaeva, T, Loginova, E, Lubrano, E, Mulero, J, Pinto, J, Queiro, R, Sanz, J, Szentpetery, A, Helliwell, PS

Content and face validity and feasibility of 5 candidate instruments for psoriatic arthritis randomized controlled trials: The PsA OMERACT Core Set Workshop at the GRAPPA 2017 Annu... ‌ Holland, R, Tillett, W, Ogdie, A, Leung, Y, Gladman, D, Callis Duffin, K, Coates, L, Mease, P, Eder, L, Strand, V, Elmamoun, M, Højgaard, P, Chau, J, de Wit, M, Goel, N, Lindsay, C, FitzGerald, O, Shea, B, Beaton, D, Orbai, A

PsAID12 provisionally endorsed at OMERACT 2018 as core outcome measure to assess psoriatic arthritis-specific health-related quality of life in clinical trials ‌ Orbai, A, Holland, R, Leung, Y, Tillett, W, Goel, N, Christensen, R, McHugh, N, Gossec, L, De Wit, M, Højgaard, P, Coates, L, Mease, P, Lindsay, C, Birt, J, Fallon, L, FitzGerald, O, Ogdie, A, Shea, B, Strand, V, Veale, D, Callis-Duffin, K, Tugwell, P, Beaton, D, Gladman, D

Group for Research and Assessment of Psoriasis and Psoriatic Arthritis/Outcome Measures in Rheumatology consensus‐based recommendations and research agenda for use of composite mea... ‌ Coates, L, FitzGerald, O, Merola, J, Smolen, J, van Mens, L, Bertheussen, H, Boehncke, W, Callis Duffin, K, Campbell, W, de Wit, M, Gladman, D, Gottlieb, A, James, J, Kavanaugh, A, Kristensen, L, Kvien, T, Luger, T, McHugh, N, Mease, P, Nash, P, Ogdie, A, Rosen, C, Strand, V, Tillett, W, Veale, D, Helliwell, P

Application of clinical and molecular profiling data to improve patient outcomes in psoriatic arthritis ‌ FitzGerald, O, Behrens, F, Barton, A, Bertheussen, H, Boutouyrie-Dumont, B, Coates, L, Davies, O, de Wit, M, Fagni, F, Goodyear, CS, Gurke, R, Hahnfeld, L, Huppertz, C, Ioannidis, V, Ibberson, M, Katz, A, Klippstein, M, Koehm, M, Korish, S, Mackay, S, Martin, DA, O'Sullivan, D, Patel, K, Rueping, S, Schett, G, Scholich, K, Schwenk, JM, Siebet, S, Simon, D, Vivekanantham, A, Pennington, SR

Proceedings of the GRAPPA 2022 executive retreat ‌ Ng, B, Jadon, D, Adebajo, A, Ayan, G, Callis Duffin, K, Chandran, V, Coates, LC, D’Agostino, MA, de Vlam, K, Deodhar, A, Eder, L, Garg, A, Gladman, DD, Goel, N, Gottlieb, A, Husni, ME, Katz, A, Kavanaugh, A, Lubrano, E, Mease, P, Merola, J, Nash, P, Ogdie, A, Pennington, S, Perez-Chada, LM, Proft, F, Rosen, CF, Savage, L, Goldenstein-Schainberg, C, Siebert, S, Soriano, E, Steinkoenig, I, Tillett, W, Armstrong, A, FitzGerald, O

Treating axial spondyloarthritis and peripheral spondyloarthritis, especially psoriatic arthritis, to target: 2017 update of recommendations by an international task force ‌ Smolen, JS, Schöls, M, Braun, J, Dougados, M, FitzGerald, O, Gladman, DD, Kavanaugh, A, Landewé, R, Mease, P, Sieper, J, Stamm, T, Wit, MD, Aletaha, D, Baraliakos, X, Betteridge, N, Bosch, FVD, Coates, LC, Emery, P, Gensler, LS, Gossec, L, Helliwell, P, Jongkees, M, Kvien, TK, Inman, RD, McInnes, IB, Maccarone, M, Machado, PM, Molto, A, Ogdie, A, Poddubnyy, D, Ritchlin, C, Rudwaleit, M, Tanew, A, Thio, B, Veale, D, Vlam, KD, van der Heijde, D

Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA): updated treatment recommendations for psoriatic arthritis 2021 ‌ Coates, LC, Soriano, ER, Corp, N, Bertheussen, H, Callis Duffin, K, Campanholo, CB, Chau, J, Eder, L, Fernández-Ávila, DG, FitzGerald, O, Garg, A, Gladman, DD, Goel, N, Helliwell, PS, Husni, ME, Jadon, DR, Katz, A, Laheru, D, Latella, J, Leung, Y-Y, Lindsay, C, Lubrano, E, Mazzuoccolo, LD, Mease, PJ, O'Sullivan, D, Ogdie, A, Olsder, W, Palominos, PE, Schick, L, Steinkoenig, I, de Wit, M, van der Windt, DA, Kavanaugh, A, GRAPPA Treatment Recommendations domain subcommittees