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Objectives: To evaluate enthesitis treatment response, including time to resolution and data from multiple enthesitis instruments, in patients with PsA treated with secukinumab or adalimumab for 52 weeks., Methods: In this post hoc analysis of the EXCEED study, patients receiving secukinumab 300 mg or adalimumab 40 mg per the label were grouped by presence or absence of baseline enthesitis based on the Leeds Enthesitis Index (LEI) and the Spondyloarthritis Research Consortium of Canada Enthesitis Index (SPARCC). Efficacy was assessed according to several enthesitis-related instruments using non-responder imputation for the achievement of enthesitis resolution (LEI/SPARCC = 0), Kaplan-Meier analysis for time to resolution, and as-observed data for other outcomes., Results: Enthesitis was present at baseline in 498 of 851 patients (58.5%) as assessed by LEI and in 632 of 853 patients (74.1%) as assessed by SPARCC. Patients with baseline enthesitis generally presented with greater disease activity. Similar proportions of patients receiving secukinumab or adalimumab achieved resolution of LEI and SPARCC at weeks 24 (secukinumab: LEI/SPARCC, 49.6%/45.8%; adalimumab: LEI/SPARCC, 43.6%/43.5%) and 52 (secukinumab: LEI/SPARCC, 60.7%/53.2%; adalimumab: LEI/SPARCC, 55.3%/51.4%), with comparable mean time to enthesitis resolution. Improvements were similar for both drugs at individual enthesitis sites. Resolution of enthesitis with secukinumab or adalimumab was associated with improvements in quality of life at week 52., Conclusion: Secukinumab and adalimumab showed similar efficacy, including time to resolution, with respect to resolution of enthesitis. Inhibition of IL-17 with secukinumab reduced clinical enthesitis similarly to TNF-α inhibition., Trial Registration: ClinicalTrials.gov, NCT02745080., (© The Author(s) 2023. Published by Oxford University Press on behalf of the British Society for Rheumatology.)

Objectives: Patients with psoriatic arthritis (PsA) are at a significantly increased risk of hyperuricaemia and development of gout, and those with hyperuricaemia have been found to respond poorly to PsA treatment and have more peripheral and destructive joint damage. We present a comprehensive post hoc analysis using pooled data from the FUTURE 2-5 studies and the MAXIMISE study to further evaluate the impact of hyperuricaemia on clinical presentation/disease severity and response to secukinumab in patients with PsA., Methods: Patients were stratified into two groups based on baseline serum uric acid (SUA) level (threshold of 360 µmol/L). A sensitivity analysis was also performed based on SUA thresholds of 300 µmol/L and 420 µmol/L. Demographics, clinical, radiological characteristics and comorbidities data were collected., Results: At baseline, patients with hyperuricaemia were mostly male, reported a higher prevalence of hypertension, with more clinical dactylitis, more psoriasis and more severe skin disease compared with patients with normouricaemia. A similar proportion of patients in the normouricaemic and hyperuricaemic cohorts achieved American College of Rheumatology responses, resolution of enthesitis and dactylitis, inhibition of structural damage progression and improvement in health-related quality of life across all secukinumab doses at week 52., Conclusion: Patients with PsA and hyperuricaemia have different clinical characteristics from patients with PsA and normouricaemia. Identification of these patients at an early stage may facilitate a personalised treatment approach and improved management of comorbidities. Furthermore, secukinumab provided a rapid and sustained response across all manifestations of PsA up to week 52, irrespective of baseline uricaemia status., Competing Interests: Competing interests: RF: Consulting fees and advisory boards (Novartis); J-EG: Consulting fees and advisory boards (Novartis); CG and WB are employees and shareholders of Novartis., (© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)

Objective: To investigate the impact of sustained low disease activity (LDA)/remission (REM) on physical function, quality of life (QoL) and structural outcomes in secukinumab-treated psoriatic arthritis (PsA) patients from the FUTURE 5 study., Methods: FUTURE 5 was a randomised, double-blind, placebo-controlled, parallel-group, phase 3 study in patients with active PsA. Patients were categorised according to LDA (Minimal Disease Activity, MDA/Disease Activity index for Psoriatic Arthritis, DAPSA LDA+REM) or REM (very LDA/DAPSA REM): not achieving LDA/REM, achieving it once or sustained LDA/REM ≥3 times up to week 104. Key outcomes were improvements in Health Assessment Questionnaire Disability Index and Short Form-36 Physical Component Summary Score, proportion of non-radiographic progressors and predictors of sustained LDA response., Results: Patients were randomised (N=996) into the following treatment groups: secukinumab 300 mg (N=222), secukinumab 150 mg loading (N=220)/non-loading (N=222) and placebo (N=332). Baseline characteristics were comparable between patients with sustained DAPSA and MDA responses. By week 104, 48%-81% and 19%-36% of the secukinumab-treated patients achieved sustained LDA and REM, respectively. Numerically greater improvements in physical function and QoL were observed with sustained LDA/REM versus LDA/REM achieved once or not at all, although patients reached the established minimal clinically important difference for all composite indices. A high proportion of secukinumab-treated patients were non-structural progressors at 2 years irrespective of achieving sustained LDA/REM. Younger age, lower body mass index at baseline, reduced tender joint count and PsA pain at week 16 were key predictors of sustained LDA in secukinumab-treated patients., Conclusion: Sustained LDA/REM was associated with improvements in physical function, QoL and inhibition of structural damage progression., Competing Interests: Competing interests: LCC is an associate editor for RMD Open and has received grants/research support from AbbVie, Amgen, Celgene, Eli Lilly, Janssen, Novartis, Pfizer and UCB; worked as a paid consultant for AbbVie, Amgen, Bristol Myers Squibb, Celgene, Eli Lilly, Gilead, Galapagos, Janssen, Moonlake, Novartis, Pfizer and UCB; and has been paid as a speaker for AbbVie, Amgen, Biogen, Celgene, Eli Lilly, Galapagos, Gilead, GSK, Janssen, Medac, Novartis, Pfizer and UCB. LCC is supported by the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre (BRC). PJM has received research grants from AbbVie, Amgen, BMS, Celgene, Lilly, Galapagos, Gilead, Janssen, Novartis, Pfizer, Sun Pharma and UCB; consulting fees from AbbVie, Aclaris, Amgen, Boehringer Ingelheim, BMS, Celgene, Lilly, Galapagos, Genentech, Gilead, GlaxoSmithKline, Inmagene, Janssen, Novartis, Pfizer, Sun Pharma, and UCB; speakers’ bureau for AbbVie, Amgen, BMS, Celgene, Lilly, Janssen, Novartis, Pfizer, and UCB. DG has received grant/research support from: Amgen, AbbVie, Celgene, Eli Lilly, Janssen, Novartis, Pfizer and UCB. Consultant for: Amgen, AbbVie, BMS, Celgene, Eli Lilly, Gilead, Galapagos, Janssen, Novartis, Pfizer and UCB. SN has received consulting and speaker fees from Pfizer, Novartis, Janssen, Boehringer Ingelheim, Biogen, Glaxo Smith Kline. WB is an employee of Novartis with Novartis stock. CG is an employee of Novartis; Shareholder of Novartis and BMS., (© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)

Objectives: To investigate the dynamics of response of synovitis to IL-17A inhibition with secukinumab in patients with active PsA using Power Doppler ultrasound., Methods: The randomized, placebo-controlled, Phase III ULTIMATE study enrolled PsA patients with active ultrasound synovitis and clinical synovitis and enthesitis having an inadequate response to conventional DMARDs and naïve to biologic DMARDs. Patients were randomly assigned to receive either weekly subcutaneous secukinumab (300 or 150 mg according to the severity of psoriasis) or placebo followed by 4-weekly dosing thereafter. The primary outcome was the mean change in the ultrasound Global EULAR and OMERACT Synovitis Score (GLOESS) from baseline to week 12. Key secondary endpoints included ACR 20 and 50 responses., Results: Of the 166 patients enrolled, 97% completed 12 weeks of treatment (secukinumab, 99%; placebo, 95%). The primary end point was met, and the adjusted mean change in GLOESS was higher with secukinumab than placebo [-9 (0.9) vs -6 (0.9), difference (95% CI): -3 (-6, -1); one-sided P=0.004] at week 12. The difference in GLOESS between secukinumab and placebo was significant as early as one week after initiation of treatment. All key secondary endpoints were met. No new or unexpected safety findings were reported., Conclusion: This unique ultrasound study shows that apart from improving the signs and symptoms of PsA, IL-17A inhibition with secukinumab leads to a rapid and significant reduction of synovitis in PsA patients., Trial Registration: ClinicalTrials.gov; NCT02662985., (© The Author(s) 2021. Published by Oxford University Press on behalf of the British Society for Rheumatology.)

Introduction: Clinical remission in patients with ankylosing spondylitis (AS) has been determined using composite indices such as the AS Disease Activity Score inactive disease (ASDAS-ID), Assessment of SpondyloArthritis international Society criteria partial remission (ASAS-PR), and low Bath AS Disease Activity Index (BASDAI) scores. The objective of this exploratory analysis was to evaluate the proportion of secukinumab-treated patients with AS achieving remission defined based on the ASDAS-ID (score < 1.3), ASAS-PR or BASDAI score ≤  2., Methods: The analysis pooled data from the MEASURE 1 and 2 studies over 3 years. The proportion of patients who achieved ASDAS-ID, ASAS-PR, or BASDAI ≤ 2 with secukinumab was compared with placebo at week 16; results for secukinumab-treated patients were summarized through week 156. Sustainability of each criterion was assessed from week 16 to 156 using shift analysis. The association between each of these criteria and specific patient-reported outcomes (PROs), such as health-related quality of life, function, fatigue, and work impairment, was also explored., Results: At week 16, a higher proportion of secukinumab-treated patients versus placebo achieved ASDAS-ID (17.6 vs. 3.5%), ASAS-PR (15.4 vs. 4.1%), or BASDAI ≤ 2 (22.3 vs. 6.4%) criteria (all P < 0.0001), which were sustained through 156 weeks. Shift analysis showed that the majority of secukinumab-treated patients achieving remission at week 16 maintained their status at week 156 (ASDAS-ID, 57.1%; ASAS-PR, 68.0% and BASDAI ≤ 2, 74.3%). Remission was also associated with improved PROs over 156 weeks., Conclusions: Secukinumab-treated patients maintained ASDAS-ID, ASAS-PR, or BASDAI ≤ 2 from week 16 up to 3 years. Patients who achieved at least one of the three responses/states, reported improvement in PROs, which suggests an association of clinical remission/ID with PROs in patients with active AS., Trial Registration: ClinicalTrials.gov: NCT01358175, NCT01863732, and NCT01649375.

Background: Enthesitis is one of the psoriatic arthritis (PsA) domains. Patients with enthesitis are associated with worse outcomes than those without enthesitis. The effect of secukinumab on the resolution of enthesitis in patients with PsA was explored using pooled data from the FUTURE 2 and 3 studies., Method: Assessments of enthesitis through week 104 used the Leeds Enthesitis Index. These post hoc analyses included resolution of enthesitis count (EC = 0), median time to first resolution of enthesitis (Kaplan-Meϊer estimate), and shift analysis (as observed) of baseline EC (1, 2, or 3-6) to full resolution (FR), stable (similar or reduction of EC), or worse (EC > baseline). Efficacy outcomes (ACR, PASI, HAQ-DI, SF-36 PCS, and DAS28-CRP) were assessed in patients with or without baseline enthesitis. Results are reported for secukinumab 300 and 150 mg in the overall population and by prior TNFi treatment., Results: A total of 65% (466/712) of patients had baseline enthesitis. In the overall population, FR was achieved as early as week 16 in 65% (300 mg) and 56% (150 mg) versus 44% (placebo) patients, with further improvements to 91% (300 mg) and 88% (150 mg) at week 104. The majority (89%) of patients without enthesitis at baseline maintained this status at week 104. Median days to resolution of EC were shorter with secukinumab 300 and 150 mg versus placebo (57 and 85 vs 167 days, respectively). In patients with EC of 1 or 2, shift analysis from baseline to week 24 showed that more patients achieved FR with secukinumab 300 mg and 150 mg versus placebo, whereas no difference between secukinumab and placebo was shown in the more severe patients with EC of 3-6. Increases in proportions of patients with FR were observed with secukinumab irrespective of the severity of EC from baseline to week 104. Improvements in efficacy outcomes were similar in patients with or without enthesitis treated with secukinumab 300 mg., Conclusion: Secukinumab provided early and sustained resolution of enthesitis in patients with PsA over 2 years. Secukinumab 300 mg provided higher resolution than 150 mg in patients with more severe baseline EC and showed similar overall efficacy in patients with or without enthesitis., Trial Registration: FUTURE 2: ClinicalTrials.gov, NCT01752634 (date of study registration: December 19, 2012), and EudraCT, 2012-004439-22 (date of study registration: December 12, 2012) FUTURE 3: ClinicalTrials.gov, NCT01989468 (date of study registration: November 21, 2013), and EudraCT, 2013-004002-25 (date of study registration: December 17, 2013).

Objective: To evaluate minimal disease activity (MDA) among psoriatic arthritis (PsA) patients receiving secukinumab through 2 years in the FUTURE 2 study., Methods: Patients with active PsA were randomized to receive subcutaneous secukinumab 300, 150, or 75 mg or placebo. MDA was assessed in the overall population (anti-tumor necrosis factor [anti-TNF]-naive and inadequate responders [anti-TNF-IR]) and in patients stratified by prior anti-TNF exposure and by time since diagnosis at weeks 16, 24, 52, and 104. Function and patient-reported outcomes (PROs), including health-related quality of life (QoL) and work productivity, were assessed in MDA responders versus nonresponders., Results: Overall, 28% of patients (27 of 98) and 23% (23 of 100) achieved MDA at week 16 with secukinumab 300 and 150 mg, respectively, versus 10% (9 of 94) with placebo. In the anti-TNF-naive cohort, a higher proportion of patients achieved MDA at week 16 with secukinumab 300 and 150 mg (34% and 32%, respectively) versus placebo (13%). The corresponding value in the anti-TNF-IR cohort was 15% and 8% with secukinumab 300 and 150 mg, respectively, versus with placebo (3%). At week 16, 27.1% of MDA responders (16 of 59) achieved a very low disease activity (VLDA) response, with the percentage being numerically greater with secukinumab 300 and 150 mg (30% [8 of 27] and 26% [6 of 23], respectively) versus placebo (22% [2 of 9]). The MDA and VLDA responses with secukinumab 300 and 150 mg were sustained through 2 years. MDA responders showed greater improvements in QoL outcomes compared to nonresponders through 2 years., Conclusion: A greater proportion of patients achieved MDA with secukinumab versus placebo at week 16, with response rates sustained through 2 years. MDA was associated with improved PROs, including QoL, through 2 years., (© 2018, American College of Rheumatology.)

Objectives: To explore whether changes in a composite (power Doppler/greyscale ultrasound (PDUS)) synovitis score, developed by the OMERACT-EULAR-Ultrasound Task Force, predict disease activity outcomes in rheumatoid arthritis (RA)., Methods: Patients with RA who were methotrexate inadequate responders starting abatacept were evaluated. Individual joint PDUS scores were combined in the Global OMERACT-EULAR Synovitis Score (GLOESS) for metacarpophalangeal joints (MCPs) 2-5, all joints (22 paired) and a reduced (9 paired) joint set. The predictive value of changes in GLOESS at week 1-16 evaluations for clinical status and response (Disease Activity Score (DAS)28 (C reactive protein, CRP) <2.6; DAS28(CRP) ≤3.2; DAS28(CRP) ≥1.2 improvement) up to week 24, and correlations between DAS28 and GLOESS were assessed., Results: Eighty-nine patients completed the 24-week treatment period. Changes in GLOESS (MCPs 2-5) from weeks 1 to 16 were unable to predict DAS28 outcomes up to week 24. However, significant improvements in GLOESS (MCPs 2-5) were observed at week 12 in patients with DAS28 ≥1.2 improvement at week 24 versus those who did not achieve that clinical response. In patients achieving DAS28 ≥1.2 improvement or DAS28 ≤3.2 at week 24, changes in GLOESS (22 and 9 paired joint sets) were greater in patients who already achieved DAS28 ≥1.2 at week 12 than in those who did not. No significant correlations were found between changes in DAS28 and GLOESS definitions at any time point., Conclusions: PDUS was not correlated with clinical status or response as measured by DAS28-derived criteria, and PDUS changes were not predictive of clinical outcome. The discrepancies require further exploration., Trial Registration Number: NCT00767325; Results.

Introduction: This study evaluated various remission criteria in abatacept plus methotrexate (MTX)-treated patients with early rheumatoid arthritis (RA). We aimed to investigate the time to, and sustainability of, remission, and to evaluate the relationship between remission, function and structure., Methods: Post hoc analyses were performed from the 12-month, double-blind period of the Abatacept study to Gauge Remission and joint damage progression in methotrexate (MTX)-naive patients with Early Erosive rheumatoid arthritis (AGREE) in patients with early RA (≤2 years) and poor prognostic factors, comparing abatacept plus MTX (n = 210) versus MTX alone (n = 209)., Results: At month 12, Disease Activity Score 28, Simplified Disease Activity Index (SDAI), Clinical Disease Activity Index and Boolean remission rates were, for abatacept plus MTX versus MTX alone: 47.6 % versus 27.3 %, 33.3 % versus 12.4 %, 34.3 % versus 16.3 %, and 23.8 % versus 5.7 %, respectively. Cumulative probability demonstrated higher proportions achieving first remission and first sustained remission for abatacept plus MTX versus MTX alone (e.g., 23.3 % [95 % confidence interval (CI): 17.6, 29.1] vs 12.9 % [8.4, 17.5] for first SDAI remission over 0-6 months). For patients in SDAI remission at month 3, mean Health Assessment Questionnaire-Disability Index at month 12 was 0.20 versus 0.50 for abatacept plus MTX versus MTX alone. Mean changes in radiographic score from baseline to month 12 were minimal for patients in SDAI remission at month 3 in both groups, while less structural damage progression was seen, 0.75 versus 1.35, respectively, for abatacept plus MTX versus MTX alone for patients with moderate/high disease activity at month 3 (adjusted mean treatment difference: -0.60 [95 % CI: -1.11, -0.09; P < 0.05])., Conclusions: High proportions of abatacept plus MTX-treated patients achieved stringent remission criteria. Remission was associated with long-term functional benefit; dissociation was seen between clinical and structural outcomes for abatacept. These findings highlight the impact of reaching stringent remission targets early, on physical function and structural damage, in MTX-naïve biologic-treated patients., Trial Registration: ClinicalTrials.gov identifier NCT00122382. Registered 19 July 2005.