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Items: 1 to 50 of 254

1.

Effects of ustekinumab on spondylitis-associated endpoints in TNFi-naïve active psoriatic arthritis patients with physician-reported spondylitis: pooled results from two phase 3, randomised, controlled trials.

Helliwell PS, Gladman DD, Chakravarty SD, Kafka S, Karyekar CS, You Y, Campbell K, Sweet K, Kavanaugh A, Gensler LS.

RMD Open. 2020 Feb;6(1). pii: e001149. doi: 10.1136/rmdopen-2019-001149.

2.

Guselkumab in patients with active psoriatic arthritis who were biologic-naive or had previously received TNFα inhibitor treatment (DISCOVER-1): a double-blind, randomised, placebo-controlled phase 3 trial.

Deodhar A, Helliwell PS, Boehncke WH, Kollmeier AP, Hsia EC, Subramanian RA, Xu XL, Sheng S, Agarwal P, Zhou B, Zhuang Y, Ritchlin CT; DISCOVER-1 Study Group.

Lancet. 2020 Apr 4;395(10230):1115-1125. doi: 10.1016/S0140-6736(20)30265-8. Epub 2020 Mar 13. Erratum in: Lancet. 2020 Apr 4;395(10230):1114.

PMID:
32178765
3.

The phenotype of axial spondyloarthritis: is it dependent on HLA-B27 status?

Coates LC, Baraliakos X, Blanco FJ, Blanco-Morales E, Braun J, Chandran V, Luiz Fernandez-Sueiro J, 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.

Arthritis Care Res (Hoboken). 2020 Feb 26. doi: 10.1002/acr.24174. [Epub ahead of print]

PMID:
32100954
4.

Comparing methotrexate monotherapy with methotrexate plus leflunomide combination therapy in psoriatic arthritis: protocol of a randomized, placebo-controlled, double-blind clinical trial (COMPLETE-PsA).

Mulder MLM, Vriezekolk JE, den Broeder N, Mahler EAM, Helliwell PS, van den Hoogen FHJ, den Broeder AA, Wenink MH.

Trials. 2020 Feb 10;21(1):155. doi: 10.1186/s13063-020-4097-6.

5.

Ixekizumab treatment of biologic-naïve patients with active psoriatic arthritis: 3-year results from a phase III clinical trial (SPIRIT-P1).

Chandran V, van der Heijde D, Fleischmann RM, Lespessailles E, Helliwell PS, Kameda H, Burgos-Vargas R, Erickson JS, Rathmann SS, Sprabery AT, Birt JA, Shuler CL, Gallo G.

Rheumatology (Oxford). 2020 Feb 7. pii: kez684. doi: 10.1093/rheumatology/kez684. [Epub ahead of print]

PMID:
32031665
6.

Axial disease in psoriatic arthritis.

Helliwell PS.

Rheumatology (Oxford). 2019 Dec 24. pii: kez629. doi: 10.1093/rheumatology/kez629. [Epub ahead of print] No abstract available.

PMID:
31873737
7.

Comparing psoriatic arthritis low-field magnetic resonance imaging, ultrasound and clinical outcomes: data from the TICOPA trial.

Helliwell PS, Coates LC, Chew NS, Lettieri G, Moverley AR, Freeston JE, Nam J, Waxman R, Emery P, Conaghan PG.

J Rheumatol. 2019 Nov 1. pii: jrheum.181385. doi: 10.3899/jrheum.181385. [Epub ahead of print]

PMID:
31676693
8.

A head-to-head comparison of the efficacy and safety of ixekizumab and adalimumab in biological-naïve patients with active psoriatic arthritis: 24-week results of a randomised, open-label, blinded-assessor trial.

Mease PJ, Smolen JS, Behrens F, Nash P, Liu Leage S, Li L, Tahir H, Gooderham M, Krishnan E, Liu-Seifert H, Emery P, Pillai SG, Helliwell PS; SPIRIT H2H study group.

Ann Rheum Dis. 2020 Jan;79(1):123-131. doi: 10.1136/annrheumdis-2019-215386. Epub 2019 Sep 28.

9.

Long-term follow-up of patients in the TIght COntrol of inflammation in early Psoriatic Arthritis (TICOPA) trial.

Coates LC, Mahmood F, Freeston J, Emery P, Conaghan PG, Helliwell PS.

Rheumatology (Oxford). 2020 Apr 1;59(4):807-810. doi: 10.1093/rheumatology/kez369.

PMID:
31504996
10.

Composite Measures of Disease Activity in Psoriatic Arthritis: Comparative Instrument Performance Based on the Efficacy of Guselkumab in an Interventional Phase 2 Trial.

Helliwell PS, Deodhar A, Gottlieb AB, Boehncke WH, Xu XL, Xu S, Wang Y, Hsia EC, Gladman DD, Ritchlin CT.

Arthritis Care Res (Hoboken). 2019 Aug 17. doi: 10.1002/acr.24046. [Epub ahead of print]

PMID:
31421033
11.

Assessment of Enthesitis in Psoriatic Arthritis.

Helliwell PS.

J Rheumatol. 2019 Aug;46(8):869-870. doi: 10.3899/jrheum.181380. No abstract available.

PMID:
31371660
12.

GRAPPA 2018 Project Report.

Goel N, FitzGerald O, Gladman DD, Helliwell PS, Kavanaugh A, Maksymowych WP, Mease PJ, Ritchlin CT, Coates LC.

J Rheumatol Suppl. 2019 Jun;95:54-57. doi: 10.3899/jrheum.190121.

PMID:
31154406
13.

Best-practice Indicators in Psoriatic Disease Care.

Helliwell PS, Favier G, Gladman DD, Soriano ER, Kirkham BW, Coates LC, Puig L, Boehncke WH, Thaçi D.

J Rheumatol Suppl. 2019 Jun;95:38-45. doi: 10.3899/jrheum.190120.

PMID:
31154403
14.

Achieving minimal disease activity in psoriatic arthritis predicts meaningful improvements in patients' health-related quality of life and productivity.

Coates LC, Orbai AM, Morita A, Benichou O, Kerr L, Adams DH, Shuler CL, Birt J, Helliwell PS.

BMC Rheumatol. 2018 Aug 13;2:24. doi: 10.1186/s41927-018-0030-y. eCollection 2018.

15.

Etanercept and Methotrexate as Monotherapy or in Combination for Psoriatic Arthritis: Primary Results From a Randomized, Controlled Phase III Trial.

Mease PJ, Gladman DD, Collier DH, Ritchlin CT, Helliwell PS, Liu L, Kricorian G, Chung JB.

Arthritis Rheumatol. 2019 Jul;71(7):1112-1124. doi: 10.1002/art.40851. Epub 2019 May 28.

16.

Utilization of the validated Psoriasis Epidemiology Screening Tool to identify signs and symptoms of psoriatic arthritis among those with psoriasis: a cross-sectional analysis from the US-based Corrona Psoriasis Registry.

Mease PJ, Palmer JB, Hur P, Strober BE, Lebwohl M, Karki C, Reed GW, Etzel CJ, Greenberg JD, Helliwell PS.

J Eur Acad Dermatol Venereol. 2019 May;33(5):886-892. doi: 10.1111/jdv.15443. Epub 2019 Mar 5.

17.

Verna Wright: father of the spondyloarthropathies.

Helliwell PS.

Ann Rheum Dis. 2019 Apr;78(4):454-455. doi: 10.1136/annrheumdis-2018-214689. Epub 2019 Jan 12. No abstract available.

PMID:
30636213
18.

Assessing Disease Activity in Psoriatic Arthritis: A Literature Review.

Tucker LJ, Coates LC, Helliwell PS.

Rheumatol Ther. 2019 Mar;6(1):23-32. doi: 10.1007/s40744-018-0132-4. Epub 2018 Nov 23. Review.

19.

Efficacy and safety of filgotinib, a selective Janus kinase 1 inhibitor, in patients with active psoriatic arthritis (EQUATOR): results from a randomised, placebo-controlled, phase 2 trial.

Mease P, Coates LC, Helliwell PS, Stanislavchuk M, Rychlewska-Hanczewska A, Dudek A, Abi-Saab W, Tasset C, Meuleners L, Harrison P, Besuyen R, Van der Aa A, Mozaffarian N, Greer JM, Kunder R, Van den Bosch F, Gladman DD.

Lancet. 2018 Dec 1;392(10162):2367-2377. doi: 10.1016/S0140-6736(18)32483-8. Epub 2018 Oct 22.

20.

What Should Be the Primary Target of "Treat to Target" in Psoriatic Arthritis?

Coates LC, Lubrano E, Perrotta FM, Emery P, Conaghan PG, Helliwell PS.

J Rheumatol. 2019 Jan;46(1):38-42. doi: 10.3899/jrheum.180267. Epub 2018 Sep 15.

21.

Physician's Global Assessment in Psoriatic Arthritis: A Multicenter GRAPPA Study.

Cauli A, Gladman DD, Mathieu A, Olivieri I, Porru G, Tak PP, Sardu C, Scarpa R, Marchesoni A, Taylor WJ, Salvarani C, Kalden J, Lubrano E, Carneiro S, Piga M, Floris A, Desiati F, Flynn JA, D'Angelo S, van Kuijk AWR, Catanoso MG, Caso F, Contu P, Ujfalussy I, Helliwell PS, Mease PJ; GRAPPA 3PPsA Study Group.

J Rheumatol. 2018 Aug;45(9):1256-1262. doi: 10.3899/jrheum.171183. Epub 2018 Jun 15.

PMID:
29907666
22.

Werner syndrome: a rare cause of osteoporosis in a young female.

Mahmood F, Helliwell PS.

Rheumatology (Oxford). 2018 Nov 1;57(11):2021. doi: 10.1093/rheumatology/key163. No abstract available.

PMID:
29878212
23.

Proceedings of the 2017 GRAPPA Collaborative Research Network Meeting.

Jadon DR, Chandran V, Stober C, Ogdie A, Armstrong AW, Callis Duffin K, Gladman DD, Helliwell PS, O'Sullivan D, de Wit M, FitzGerald O, Ritchlin CT.

J Rheumatol Suppl. 2018 Jun;94:54-61. doi: 10.3899/jrheum.180141.

PMID:
29858357
24.

Prologue: 2017 Annual Meeting of the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA).

Helliwell PS, Gladman DD, Gottlieb AB.

J Rheumatol Suppl. 2018 Jun;94:1-3. doi: 10.3899/jrheum.180129.

PMID:
29858345
25.

Assessment of two screening tools to identify psoriatic arthritis in patients with psoriasis.

Coates LC, Savage LJ, Chinoy H, Laws PM, Lovell CR, Korendowych E, Mahmood F, Mathieson HR, McGonagle D, Warren RB, Waxman R, Helliwell PS.

J Eur Acad Dermatol Venereol. 2018 Sep;32(9):1530-1534. doi: 10.1111/jdv.14971. Epub 2018 May 9.

26.

Focussing on the foot in psoriatic arthritis: pathology and management options.

Patience A, Helliwell PS, Siddle HJ.

Expert Rev Clin Immunol. 2018 Jan;14(1):21-28. doi: 10.1080/1744666X.2018.1413351. Epub 2017 Dec 9. Review.

PMID:
29202587
27.

Group for Research and Assessment of Psoriasis and Psoriatic Arthritis/Outcome Measures in Rheumatology Consensus-Based Recommendations and Research Agenda for Use of Composite Measures and Treatment Targets in Psoriatic Arthritis.

Coates LC, FitzGerald O, Merola JF, Smolen J, van Mens LJJ, Bertheussen H, Boehncke WH, Callis Duffin K, Campbell W, de Wit M, Gladman D, Gottlieb A, James J, Kavanaugh A, Kristensen LE, Kvien TK, Luger T, McHugh N, Mease P, Nash P, Ogdie A, Rosen CF, Strand V, Tillett W, Veale DJ, Helliwell PS.

Arthritis Rheumatol. 2018 Mar;70(3):345-355. doi: 10.1002/art.40391. Epub 2018 Feb 6.

28.

Current concepts and unmet needs in psoriatic arthritis.

Mahmood F, Coates LC, Helliwell PS.

Clin Rheumatol. 2018 Feb;37(2):297-305. doi: 10.1007/s10067-017-3908-y. Epub 2017 Nov 13. Review.

PMID:
29134513
29.

Value of the Routine Assessment of Patient Index Data 3 in Patients With Psoriatic Arthritis: Results From a Tight-Control Clinical Trial and an Observational Cohort.

Coates LC, Tillett W, Shaddick G, Pincus T, Kavanaugh A, Helliwell PS.

Arthritis Care Res (Hoboken). 2018 Aug;70(8):1198-1205. doi: 10.1002/acr.23460. Epub 2018 Jun 28.

30.

Radiographic Progression in Psoriatic Arthritis Achieving a Good Response to Treatment: Data Using Newer Composite Indices of Disease Activity.

Helliwell PS, Kavanaugh A.

Arthritis Care Res (Hoboken). 2018 May;70(5):797-800. doi: 10.1002/acr.23345. Epub 2018 Apr 12.

31.

Cross-phenotype association mapping of the MHC identifies genetic variants that differentiate psoriatic arthritis from psoriasis.

Bowes J, Ashcroft J, Dand N, Jalali-Najafabadi F, Bellou E, Ho P, Marzo-Ortega H, Helliwell PS, Feletar M, Ryan AW, Kane DJ, Korendowych E, Simpson MA, Packham J, McManus R, Brown MA, Smith CH, Barker JN, McHugh N, FitzGerald O, Warren RB, Barton A.

Ann Rheum Dis. 2017 Oct;76(10):1774-1779. doi: 10.1136/annrheumdis-2017-211414. Epub 2017 Aug 18.

32.

A Multicenter Nominal Group Study to Rank Outcomes Important to Patients, and Their Representation in Existing Composite Outcome Measures for Psoriatic Arthritis.

Tillett W, Dures E, Hewlett S, Helliwell PS, FitzGerald O, Brooke M, James J, Lord J, Bowen C, de Wit M, Orbai AM, McHugh N; PROMPT study group.

J Rheumatol. 2017 Oct;44(10):1445-1452. doi: 10.3899/jrheum.161459. Epub 2017 Aug 1.

PMID:
28765241
33.

Plantar plate pathology is associated with erosive disease in the painful forefoot of patients with rheumatoid arthritis.

Siddle HJ, Hodgson RJ, Hensor EMA, Grainger AJ, Redmond AC, Wakefield RJ, Helliwell PS.

BMC Musculoskelet Disord. 2017 Jul 18;18(1):308. doi: 10.1186/s12891-017-1668-0.

34.

Patient-reported Outcomes as Predictors of Change in Disease Activity and Disability in Early Rheumatoid Arthritis: Results from the Yorkshire Early Arthritis Register.

Twigg S, Hensor EMA, Emery P, Tennant A, Morgan AW; Yorkshire Early Arthritis Register Consortium.

J Rheumatol. 2017 Sep;44(9):1331-1340. doi: 10.3899/jrheum.161214. Epub 2017 Jul 1.

35.

The dynamics of response as measured by multiple composite outcome tools in the TIght COntrol of inflammation in early Psoriatic Arthritis (TICOPA) trial.

Coates LC, Mahmood F, Emery P, Conaghan PG, Helliwell PS.

Ann Rheum Dis. 2017 Oct;76(10):1688-1692. doi: 10.1136/annrheumdis-2017-211137. Epub 2017 Jun 12.

36.

Cost-Effectiveness of Tight Control of Inflammation in Early Psoriatic Arthritis: Economic Analysis of a Multicenter Randomized Controlled Trial.

O'Dwyer JL, Meads DM, Hulme CT, Mcparland L, Brown S, Coates LC, Moverley AR, Emery P, Conaghan PG, Helliwell PS.

Arthritis Care Res (Hoboken). 2018 Mar;70(3):462-468. doi: 10.1002/acr.23293. Epub 2018 Jan 30.

37.

GRAPPA 2016 Project Report.

Helliwell PS, FitzGerald O, Coates LC, Callis Duffin K, Mease PJ.

J Rheumatol. 2017 May;44(5):706-710. doi: 10.3899/jrheum.170153.

PMID:
28461534
38.

Benchmarking Care in Psoriatic Arthritis - The QUANTUM Report: A Report from the GRAPPA 2016 Annual Meeting.

Favier G, Gladman DD, Merola JF, Armstrong AW, Boehncke WH, Helliwell PS.

J Rheumatol. 2017 May;44(5):674-678. doi: 10.3899/jrheum.170142.

PMID:
28461523
39.

Proceedings of the GRAPPA 2016 Retreat.

Jadon DR, Gladman DD, Mease PJ, FitzGerald O, Chandran V, Goel N, Rosen CF, Maksymowych WP, Ritchlin CT, Ogdie A, Coates LC, Cauli A, Soriano ER, Husni ME, Campbell W, Azevedo VF, Callis Duffin K, Armstrong AW, Gottlieb AB, Kavanaugh A, Garg A, Helliwell PS.

J Rheumatol. 2017 May;44(5):668-673. doi: 10.3899/jrheum.170141.

PMID:
28461522
40.

Prologue: 2016 Annual Meeting of the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA).

Helliwell PS, Gladman DD, Gottlieb AB.

J Rheumatol. 2017 May;44(5):658-660. doi: 10.3899/jrheum.170139.

PMID:
28461520
41.

Modification of the Psoriatic Arthritis Disease Activity Score (PASDAS).

Helliwell PS, Waxman R.

Ann Rheum Dis. 2018 Mar;77(3):467-468. doi: 10.1136/annrheumdis-2016-211010. Epub 2017 Feb 23. No abstract available.

42.

Clinical Examination, Ultrasound and MRI Imaging of The Painful Elbow in Psoriatic Arthritis and Rheumatoid Arthritis: Which is Better, Ultrasound or MR, for Imaging Enthesitis?

Groves C, Chandramohan M, Chew NS, Aslam T, Helliwell PS.

Rheumatol Ther. 2017 Jun;4(1):71-84. doi: 10.1007/s40744-017-0053-7. Epub 2017 Feb 8.

43.

Psoriatic arthritis: state of the art review.

Coates LC, Helliwell PS.

Clin Med (Lond). 2017 Feb;17(1):65-70. doi: 10.7861/clinmedicine.17-1-65. Review.

44.

Effect of anti-TNF and conventional synthetic disease-modifying anti-rheumatic drug treatment on work disability and clinical outcome in a multicentre observational cohort study of psoriatic arthritis.

Tillett W, Shaddick G, Jobling A, Askari A, Cooper A, Creamer P, Clunie G, Helliwell PS, James J, Kay L, Korendowych E, Lane S, Packham J, Shaban R, Thomas ML, Williamson L, McHugh N.

Rheumatology (Oxford). 2017 Apr 1;56(4):603-612. doi: 10.1093/rheumatology/kew433.

PMID:
28013211
45.

Determinants of Patient-Physician Discordance in Global Assessment in Psoriatic Arthritis: A Multicenter European Study.

Desthieux C, Granger B, Balanescu AR, Balint P, Braun J, Canete JD, Heiberg T, Helliwell PS, Kalyoncu U, Kvien TK, Kiltz U, Niedermayer D, Otsa K, Scrivo R, Smolen J, Stamm TA, Veale DJ, de Vlam K, de Wit M, Gossec L.

Arthritis Care Res (Hoboken). 2017 Oct;69(10):1606-1611. doi: 10.1002/acr.23172. Epub 2017 Sep 6.

46.

An educational leaflet improves response to invitation for screening for arthritis in patients with psoriasis in primary care, but only in practices in the most deprived areas.

Coates LC, Savage L, Waxman R, McGonagle DG, Moverley AR, Helliwell PS.

Clin Rheumatol. 2017 Mar;36(3):719-723. doi: 10.1007/s10067-016-3503-7. Epub 2016 Dec 15.

47.

L.C. Coates and P.S. Helliwell reply.

Coates LC, Helliwell PS.

J Rheumatol. 2016 Sep;43(9):1766. doi: 10.3899/jrheum.160727. No abstract available.

PMID:
27587016
48.

Interpreting outcome following foot surgery in people with rheumatoid arthritis.

Backhouse MR, Vinall-Collier KA, Redmond AC, Helliwell PS, Keenan AM.

J Foot Ankle Res. 2016 Jul 8;9:20. doi: 10.1186/s13047-016-0153-6. eCollection 2016.

49.

Psoriasis, psoriatic arthritis, and rheumatoid arthritis: Is all inflammation the same?

Coates LC, FitzGerald O, Helliwell PS, Paul C.

Semin Arthritis Rheum. 2016 Dec;46(3):291-304. doi: 10.1016/j.semarthrit.2016.05.012. Epub 2016 Jun 2. Review.

50.

New GRAPPA recommendations for the management of psoriasis and psoriatic arthritis: process, challenges and implementation.

Coates LC, Murphy R, Helliwell PS.

Br J Dermatol. 2016 Jun;174(6):1174-8. doi: 10.1111/bjd.14667. No abstract available.

PMID:
27317273

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