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Background: Immune-mediated necrotising myopathy is an autoimmune myopathy characterised by proximal muscle weakness, high creatine kinase concentrations, and autoantibodies recognising 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR) or the signal recognition particle (SRP). No approved therapies exist for people with immune-mediated necrotising myopathy. Previous studies have suggested that complement activation might be pathogenic in immune-mediated necrotising myopathy; therefore, zilucoplan, a complement C5 (C5) inhibitor, could be a potential therapy. We aimed to evaluate the efficacy, safety, and tolerability of zilucoplan in adult participants with anti-HMGCR or anti-SRP autoantibody-positive immune-mediated necrotising myopathy. Methods: IMNM-01 was a phase 2, multicentre, randomised, double-blind, placebo-controlled study done at 15 hospital sites across the USA, the UK, France, and the Netherlands. Participants aged 18?74 years were eligible for inclusion if they had a clinically confirmed diagnosis of immune-mediated necrotising myopathy, positive serology for anti-HMGCR or anti-SRP autoantibodies, clinical evidence of weakness, serum total creatine kinase concentration of more than 1000 U/L at screening, and no change in glucocorticoids or other immunosuppressive therapies for 30 days before baseline or expected during the first 8 weeks of the study. Participants were randomly assigned (1:1) to receive daily subcutaneous zilucoplan (0?3 mg/kg) or placebo for 8 weeks by use of a computerised randomisation algorithm; with optional enrolment in the study open-label extension. Randomisation was stratified by autoantibody status. Participants and study staff were masked to treatment group assignment. Primary efficacy endpoint (in the intent-to-treat population, defined as all participants who were randomly assigned to a treatment group) was percent change from baseline to week 8 in creatine kinase concentrations. Safety analyses were performed on the safety population (participants who received at least one dose of study drug during the main study, irrespective of whether they continued to the extension period?study participants were analysed on the basis of the treatment received). This study is registered with ClinicalTrials.gov, NCT04025632. Findings: Between Nov 7, 2019, and Jan 7, 2021, we randomly assigned 27 participants (13 female and 14 male) to receive zilucoplan (n=12) or placebo (n=15). All 27 participants completed the 8-week main study. At week 8 there were no significant differences between treatment groups in median percent change of creatine kinase concentrations versus baseline (?15?1% [IQR ?31?1 to 3?2] in the zilucoplan group vs ?16?3% [?43?8 to 5?9] in the placebo group; p=0?46) and no clinically relevant improvement over time within the treatment group despite target engagement based on mode of action. There were no unexpected adverse safety or tolerability findings. Treatment-emergent adverse events were reported in nine (75%) of 12 participants in the zilucoplan group, and in 13 (87%) of 15 participants in the placebo group, and serious treatment-emergent adverse events were reported in zero participants in the zilucoplan group and three (20%) participants in the placebo group. The most frequent treatment-emergent adverse events were headache (four [33%] participants in the zilucoplan group and four [27%] participants in the placebo group) and nausea (three [25%] participants in the zilucoplan group and three [20%] participants in the placebo group). Interpretation: C5 inhibition does not appear to be an efficacious treatment modality for people with immune-mediated necrotising myopathy. Rather than being the primary driver for disease activity, complement activation might be secondary to muscle injury. Funding: Ra Pharmaceuticals (now part of UCB Pharma).

Summary Background Secukinumab, a fully human monoclonal antibody that directly inhibits interleukin 17A, has shown significant and sustained improvement in the signs and symptoms of ankylosing spondylitis over 3 years in the MEASURE 2 study. We report the 5-year (end-of-study) results of subcutaneous secukinumab 150 mg in the MEASURE 2 study. Methods MEASURE 2 was a phase 3, double-blind, randomised, placebo-controlled, study done in 13 countries and 53 centres. Patients with ankylosing spondylitis who were 18 years of age or older and fulfilled the modified New York criteria were randomly assigned to receive secukinumab (150 mg or 75 mg) or placebo subcutaneously at baseline and weeks 1, 2, and 3, and then every 4 weeks from week 4. At week 16, patients initially given placebo were randomly assigned again (placebo switchers) to receive secukinumab 150 mg or 75 mg. Efficacy results are reported for patients initially randomised to secukinumab 150 mg and those who switched from placebo to secukinumab 150 mg at week 16. An optional dose escalation from secukinumab 75 mg to 150 mg was initiated beginning week 140. We assessed efficacy endpoints at week 260 (5 years), including Assessment of Spondyloarthritis International Society (ASAS) 20 and ASAS 40, inactive disease according to ankylosing spondylitis disease activity score with C-reactive protein (ASDAS-CRP), Bath Ankylosing Spondylitis Disease Activity Index (BASDAI), BASDAI50, Bath Ankylosing Spondylitis Metrology Index, Bath Ankylosing Spondylitis Functional Index, Short Form-36 Physical Component Summary, and ASAS partial remission. Analyses were stratified by anti-tumour necrosis factor (TNF) status (anti-TNF-naive and anti-TNF inadequate response). The safety analysis included all patients who received one dose or more of secukinumab. We report data as observed without accounting for missing data. The MEASURE 2 study was registered with ClinicalTrials.gov , NCT01649375 . Findings 219 patients were randomly assigned during the trial and 150 (68%) completed 5 years of treatment, including 82 (77%) of 106 patients in the secukinumab 150 mg group and 68 (65%) of 105 in the secukinumab 75 mg group. Efficacy analysis in the secukinumab 150 mg group included 53 patients who completed the study and one additional patient who was assessed in the treatment period weeks 212–260, but did not complete the study. 134 (61%) of 219 patients were anti-TNF-naive and 85 (39%) were anti-TNF inadequate responders. ASAS responses at 5 years with secukinumab 150 mg were 36 (67%) of 54 patients (ASA20) and 27 (50%) patients (ASAS40). Sustained improvement was observed across other efficacy endpoints with secukinumab 150 mg at 5 years. At 5 years, the proportion of patients achieving efficacy endpoints of BASDAI 50 response was 53% (44/83); ASAS 5/6 response was 51% (42/83); ASDAS-CRP inactive disease was 21% (17/81); and ASAS partial remission was 25% (21/83). Exposure-adjusted incidence rates with any secukinumab dose for selected adverse events were 1·0 per 100 patient-years (95% CI 0·4–1·9) for Candida infections, 0·5 (0·1–1·2) for Crohn's disease, 0·4 (0·1–1·1) for ulcerative colitis, 0·6 (0·2–1·4) for major adverse cardiovascular events, 0·5 (0·1–1·2) for uveitis, and 0·6 (0·2–1·4) for malignant or unspecified tumours. Interpretation Secukinumab 150 mg provided sustained improvement in the signs, symptoms, and physical function in patients with ankylosing spondylitis after 5 years of treatment. The safety profile of secukinumab remained consistent with previous reports. Funding Novartis Pharma.

BACKGROUND The differences in histopathology and molecular biology between right colon cancer (RCC) and left colon cancer (LCC) were first reported in the literature by Bufill in 1990. Since then, a large number of studies have confirmed their differences in epidemiology, clinical presentation, comorbidities and biological behaviours, which may be related to the difference in prognosis and overall survival (OS) between the two groups. AIM To investigate statistically significant differences between Greek patients with LCC and RCC. METHODS The present observational study included 144 patients diagnosed with colon cancer of any stage who received chemotherapy in a Greek tertiary oncology hospital during a 2.5-year period. Clinical information, comorbidities, histopathologic characteristics and molecular biomarkers were collected from the patients’ medical records retrospectively, while administered chemotherapy regimens, targeted agents, progression-free survival (PFS) periods with first- and second-line chemotherapy and OS were recorded retroactively and prospectively. Data analysis was performed with the SPSS statistical package. RESULTS Eighty-six males and 58 females participated in the study. One hundred (69.4%) patients had a primary lesion in the left colon, and 44 (30.6%) patients had a primary lesion in the right colon. Patients with RCC were more likely to display anaemia than patients with LCC [odds ratio (OR) = 3.09], while LCC patients were more likely to develop rectal bleeding (OR = 3.37) and a feeling of incomplete evacuation (OR = 2.78) than RCC patients. Considering comorbidities, RCC patients were more likely to suffer from diabetes (OR = 3.31) and coronary artery disease (P = 0.056) than LCC patients. The mucinous differentiation rate was higher in the right-sided group than in the left-sided group (OR = 4.49), as was the number of infiltrated lymph nodes (P = 0.039), while the percentage of high-grade differentiation was higher in the group of patients with left-sided colon cancer than in RCC patients (OR = 2.78). RAS wild-type patients who received anti-epidermal growth factor receptor (EGFR): Treatment experienced greater benefit (PFS: 16.5 mo) than those who received anti-vascular endothelial growth factor treatment (PFS: 13.7 mo) (P = 0.05), while among RAS wild-type patients who received anti-EGFR treatment, LCC patients experienced greater benefit (PFS: 15.8 mo) than the RCC subgroup (PFS: 5.5 mo) in the first-line chemotherapy setting (P = 0.034). BRAF-mutant patients had shorter PFS (9.3 mo) than BRAF wild-type patients (14.5 mo) (P = 0.033). RCC patients showed a shorter tumour recurrence period (7.7 mo) than those with LCC (14.5 mo) (P < 0.001), as well as shorter (OS) (58.4 mo for RCC patients; 82.4 mo for LCC patients) (P = 0.018). CONCLUSION RCC patients present more comorbidities, worse histological and molecular characteristics and a consequently higher probability of tumour recurrence, poor response to targeted therapy and shorter OS than LCC patients.

Among healthcare workers (HCWs), SARS-CoV-2 vaccine hesitancy may be linked to a higher susceptibility to nocebo effects, i.e., adverse events (AEs) experienced after medical treatments due to negative expectations. To investigate this hypothesis a cross-sectional survey was performed with a self-completed questionnaire that included a tool (Q-No) for the identification of nocebo-prone individuals. A total of 1309 HCWs (67.2%women, 43.4% physicians, 28.4% nurses, 11·5% administrative staff, 16·6% other personnel) completed the questionnaires, among whom 237 (18.1%) had declined vaccination. Q-No scores were ≥15 in 325 participants (24.8%) suggesting nocebo-prone behavior. In a multivariate logistic regression model with Q-No score, age, gender, and occupation as independent variables, estimated odds ratios (ORs) of vaccination were 0.43 (i.e., less likely, p &lt, 0.001) in participants with Q-No score ≥15 vs. Q-No score &lt, 15, 0.58 in females vs. males (p = 0.013), and 4.7 (i.e., more likely) in physicians vs. other HCWs (p &lt, 0.001), independent of age, which was not significantly associated with OR of vaccination. At least one adverse effect (AE) was reported by 67.5% of vaccinees, mostly local pain and flu-like symptoms. In a multivariate logistic regression model, with Q-No score, age, gender, and occupation as independent variables, estimated ORs of AE reporting were 2.0 in females vs. males (p &lt, 0.001) and 1.47 in physicians vs. other HCWs (p = 0.017) independently of age and Q-No score, which were not significantly associated with OR of AE. These findings suggest that nocebo-prone behavior in HCWs is associated with SARS-CoV-2 vaccination hesitancy indicating a potential benefit of a campaign focused on nocebo-prone people.

Our study aimed to estimate the incidence of neoplasms in clinical trials of DMTs for MS and to test the hypothesis that DMTs increase the risk of neoplasms in the duration of MS randomized controlled trials (RCTs).Data were extracted from 42 RCTs of DMTs published between 1991 and 2020. The incidence rate (IR) of neoplasms was estimated by pooling the neoplasms in the active and placebo-treatment arm per patient-year. The neoplasm incidence rate ratio (IRR) of active over placebo-treatment arms was used as measure of the effect of DMTs on the risk of developing neoplasms.The meta-analysis included 10,638 placebo and 16,360 active-treatment arm patients. A non-significant pooled neoplasm incidence rate ratio (IRR: 1.0797; 95% CI: 0.8281 to 1.4077; P = 0.5711) with no heterogeneity (IOur study indicates that treatment with DMTs has not modified the risk of neoplasms in MS clinical trials from 1991 to 2020, which may reflect a low carcinogenic potential of DMTs and/or that the neoplasia latencies far exceed the typical MS trial observation periods.

Background: (298 w)Vaccine hesitancy among healthcare workers (HCWs) represents a major challenge in the global fight against COVID19. A skeptical approach to vaccination could be linked to a higher susceptibility to nocebo effects, i.e. adverse events (AEs) experienced after medical treatments due to negative expectations. However, the association of nocebo-prone behavior with SARS-COV-2 vaccination hesitancy and tolerability has not been studied. Methods: A cross-sectional, multicenter, face-to-face survey was performed with a self-completed questionnaire that was delivered to a representative sample of HCWs of five tertiary hospitals in Athens four months after the SARS-COV2 vaccination rollout for HCWs. The questionnaire was designed to capture the reasons for vaccination hesitancy, vaccination-related AEs, and nocebo prone behavior, by a validated tool (Q-No) for the identification of nocebo-prone individuals. Findings: A total of 1,309 HCWs (67·2%women; 43·4% physicians; 28·4% nurses; 11·5% administrative staff; 16·6% other personnel) completed the questionnaires (90·7% participation rate), among whom 237 (18·1%) had declined vaccination. Q-No scores were ≥15 in 325 participants (24·8%, mean age±SD=43·2±11·3), suggesting nocebo-prone behavior. Odds of vaccination were 57% lower in participants with Q-No score ≥15, than in those with a score

Background Secukinumab demonstrated sustained efficacy, inhibition of radiographic progression and a stable safety profile over 52 weeks in patients with psoriatic arthritis (PsA) in FUTURE 5. We report the end-of-study (2-year) results on the effect of secukinumab on radiographic progression in PsA patients in FUTURE 5. Methods Adults (N = 996) with active PsA were randomised to subcutaneous secukinumab 300 mg load, 150 mg load, 150 mg no load or placebo at baseline, Weeks 1, 2, 3 and 4, and every 4 weeks thereafter. The secukinumab dose could be escalated from 150 to 300 mg from Week 52 onwards, based on physician judgement. Radiographic progression (mean change in vdH-mTSS) was based on hand/wrist/foot radiographs obtained at baseline, and Weeks 16 (nonresponders), 24, 52 and 104, assessed by two blinded readers (plus an adjudicator if required). Radiographic data were analysed using a linear mixed-effects model (random intercept, random slopes) at Weeks 24 and 52, and as observed at Week 104. Data are presented for patients originally randomised to secukinumab (300 and 150 mg); the 150 mg groups also included patients who had dose escalation to 300 mg. Analyses by prior TNF inhibitor (TNFi) status (naive vs inadequate response) were also performed. Results Overall, 85% (300 mg), 82% (150 mg) and 75% (150 mg no load) of patients completed 2 years of treatment. A total of 86 (39%) and 92 (41%) patients had their dose escalated to 300 mg in the 150 mg and 150 mg no load groups, respectively. In the overall population, the proportions of patients with no radiographic progression (change from baseline in vdH-mTSS≤0.5) with secukinumab were 89.5% (300 mg), 82.3% (150 mg) and 81.1% (150 mg no load) at 2 years; the corresponding proportions of patients with changes from baseline in vdH-mTSS≤0.0 were: 81.2%, 69.1% and 73.4%, respectively. Radiographic progression was low in secukinumab-treated patients in the overall population and by prior TNFi use over 2 years (Table 1). Clinical responses were sustained through 2 years of secukinumab treatment. Conclusion Low radiographic progression was observed over 2 years of treatment with secukinumab 300 and 150 mg in PsA patients. Disclosures H. Tahir: Member of speakers’ bureau; AbbVie, Janssen, Eli Lilly, Novartis. Grants/research support; Novartis, Eli Lilly. P. Mease: Consultancies; AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Galapagos, Gilead, GlaxoSmithKline, Janssen, Leo, Eli Lilly, Merck, Novartis, Pfizer, Sun Pharmaceutical Industries, INC pharma, UCB, Crescendo Bioscience. Member of speakers’ bureau; AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Genentech, Janssen, Leo, Merck, Novartis, Pfizer, UCB, Crescendo Bioscience. Grants/research support; AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Janssen, Leo, Eli Lilly, Merck, Novartis, Pfizer, Sun Pharmaceutical Industries, INC pharma, UCB, Crescendo Bioscience. R. Landewé: None. P. Rahman: Consultancies; AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Janssen, Eli Lilly, Novartis, UCB. Member of speakers’ bureau; AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Janssen, Eli Lilly, Novartis. Grants/research support; Janssen, Novartis. A. Singhal: Grants/research support; AbbVie, Gilead, Sanofi, Regeneron, Amgen, Roche, Bristol-Myers Squibb, Janssen, Lilly, Novartis, Pfizer, UCB, Astra Zeneca, MedImmune, FujiFilm, Nichi-Iko, Mallinckrodt. E. Böttcher: Consultancies; Amgen, Roche, Eli Lilly, Pfizer, MSD, Novartis. Member of speakers’ bureau; Amgen, Roche, Eli Lilly, Pfizer, MSD, Novartis. S. Navarra: Member of speakers’ bureau; Astellas, Johnson & Johnson, Novartis, Pfizer. A. Readie: Shareholder/stock ownership; Novartis. Other; Employee of: Novartis. S. Mpofu: Shareholder/stock ownership; Novartis. Other; Employee of: Novartis. E. Delicha: Consultancies; Novartis. L. Pricop: Shareholder/stock ownership; Novartis. Other; Employee of: Novartis. D. van der Heijde: Corporate appointments; Imaging Rheumatology BV. Consultancies; AbbVie, Amgen, Astellas, AstraZeneca, Bristol-Myers Squibb, Boehringer Ingelheim, Celgene, Daiichi, Eli Lilly, Galapagos, Gilead, GlaxoSmithKline, Janssen, Merck, Novartis, Pfizer, Regeneron, Roche, Sanofi, Takeda, UCB Pharma.

Objectives. To assess long-term efficacy, safety and tolerability of secukinumab up to 104 weeks in\ud patients with active PsA.\ud Methods. Patients with PsA (n = 397) were randomized to s.c. secukinumab 300, 150 or 75 mg or placebo at\ud baseline, weeks 1, 2, 3 and 4 and every 4 weeks thereafter. Placebo-treated patients were re-randomized to\ud receive secukinumab 300 or 150 mg s.c. from week 16 (placebo non-responders) or week 24 (placebo\ud responders). Exploratory endpoints at week 104 included 20, 50 and 70% improvement in ACR criteria\ud (ACR20, 50, 70); 75 and 90% improvement in the Psoriasis Area Severity Index, 28-joint DAS with CRP,\ud presence of dactylitis and enthesitis and other patient-reported outcomes. For binary variables, missing\ud values were imputed; continuous variables were analysed by a mixed-effects model for repeated measures.\ud Results. A total of 86/100 (86%), 76/100 (76%) and 65/99 (66%) patients in the secukinumab 300, 150\ud and 75 mg groups, respectively, completed 104 weeks. At week 104, ACR20 response rates after multiple\ud imputation in the 300, 150 and 75 mg groups were 69.4, 64.4 and 50.3%, respectively. Sustained clinical\ud improvements were observed through week 104 with secukinumab across other clinically important domains\ud of PsA. Responses were sustained through week 104 regardless of prior anti-TNF-a use. Over the\ud entire treatment period the incidence, type and severity of adverse events were consistent with those\ud reported previously.\ud Conclusion. Secukinumab provided sustained improvements in signs and symptoms and multiple clinical\ud domains in patients of active PsA through 2 years of therapy. Secukinumab was well tolerated, with a\ud safety profile consistent with that reported previously.\ud Trial registration: ClinicalTrials.gov (https://clinicaltrials.gov), NCT01752634

Background Evaluation of long-term efficacy and safety for treatments for ankylosing spondylitis (AS) is important. Secukinumab, a fully human monoclonal antibody that directly inhibits interleukin-17A, has shown significant and sustained improvement in the signs and symptoms of AS through 3 years in the MEASURE 2 study (NCT01649375).1 Objectives We report the 5-year end-of-study results of subcutaneous (s.c.) secukinumab 150 mg in the MEASURE 2 study. Methods AS patients (pts; N = 219) were randomised to receive s.c. secukinumab 150 mg, 75 mg or placebo at baseline, Weeks (Wks) 1, 2 and 3 and every 4 wks from Wk 4. At Wk 16, placebo-treated pts were re–randomised to receive secukinumab 150/75 mg. Efficacy results are reported for pts initially randomised to secukinumab 150 mg and those who switched from placebo to secukinumab 150 mg at Wk 16 (N = 106). An optional dose escalation from secukinumab 75 mg to 150 mg was initiated beginning Wk 140. Outcome measures at Wk 260 included ASAS20/40, BASDAI50, BASMI, BASFI, SF-36 PCS and ASAS partial remission. Analyses stratified by anti-TNF status (anti–TNF-naive and anti-TNF inadequate response [IR]) were performed. Safety analysis included all pts who received ≥1 dose of secukinumab. Results are reported as observed. Results The retention rate to Wk 260 was 77% (82/106) for secukinumab 150 mg. Sustained efficacy was observed with secukinumab 150 mg across all endpoints through 5 years (Table). Improvements were maintained regardless of prior exposure to anti–TNF therapy with greater responses in anti–TNF-naive pts. A total of 49 pts on secukinumab 75 mg (46.7%) escalated dose to 150 mg after Wk 140; efficacy responses improved in pts whose dose was escalated. Over the entire study period, the mean exposure (±SD) to secukinumab was 1459.1 ± 597.8 days. Exposure-adjusted incidence rates (per 100 pt-years) with any secukinumab dose for selected adverse events were: Candida infections (1.0), Crohn’s disease (0.5), major adverse cardiovascular events (0.7), uveitis (0.5), and malignant/unspecified tumours (0.5). Conclusion Secukinumab 150 mg provided sustained improvement in the signs, symptoms, and physical function in pts with AS through 5 years of treatment. The safety profile of secukinumab remained consistent with previous reports.1–3 References [1] Marzo-Ortega, et al. RMD Open. 2017;3:e000592; 2. Marzo-Ortega, et al. Ann Rheum Dis. 2016;75:812–3; 3. Baraliakos X,et al. Clin Exp Rheumatol2017. Disclosure of Interests Helena Marzo-Ortega Grant/research support from: Janssen, Novartis and Pfizer, Consultant for: AbbVie, Celgene, Janssen, Eli-Lilly, Novartis and UCB, Speakers bureau: AbbVie, Celgene, Janssen, Eli-Lilly, Novartis and UCB, Joachim Sieper Consultant for: Abbvie, Bohringer Ingelheim, Janssen, Lilly, Merck, Mylan, Novartis, Pfizer, UCB., Speakers bureau: Abbvie, Bohringer Ingelheim, Janssen, Lilly, Merck, Mylan, Novartis, Pfizer, UCB., Alan Kivitz Shareholder of: Novartis, Consultant for: Abbvie, Janssen, Pfizer, UCB, Genzyme, Sanofi, Regeneron, Boehringer Ingelheim, Sun Pharma Advanced Research, Flexion., Paid instructor for: Celgene, Horizon, Merck, Novartis, Pfizer, Genzyme, Sanofi, Regeneron, Speakers bureau: Celgene, Horizon, Merck and Genetech, Flexion, Ricardo Blanco Grant/research support from: Abbvie, MSD and Roche, Consultant for: Abbvie, Pfizer, Roche, Bristol-Myers, Janssen and MSD, Speakers bureau: Abbvie, Pfizer, Roche, Bristol-Myers, Janssen and MSD, Martin Cohen Consultant for: AbbVie, Amgen, Celgene, Lilly, Novartis, Pfizer, Sandoz, Sanofi and UCB, Speakers bureau: AbbVie, Amgen, Celgene, Janssen, Merck, Novartis and Pfizer, Karel Pavelka: None declared, Eumorphia Maria Delicha Employee of: Novartis, Anna Stefanska Shareholder of: Novartis, Employee of: Novartis, Hanno Richards Shareholder of: Novartis Pharma AG, Employee of: Novartis Pharma AG, Susanne Rohrer Shareholder of: Novartis, Employee of: Novartis

Background The primary treatment goal in patient with axial Spondyloarthritis (axSpA) is to optimize health-related quality of life through control of signs and symptoms, no structural damage progression and preservation of function.1 The 2017 Treat to Target recommendations (T2T) outlined Ankylosing Spondylitis Disease Activity Score (ASDAS) -inactive disease (ID) as an optimal treatment target for axSpA patients.1 ASDAS states were shown to correlate with syndesmophyte formation as assessed with X-Ray and MRI changes.2 Secukinumab, a fully human monoclonal antibody that directly inhibits IL-17A, demonstrated sustained efficacy and low radiographic progression through 4 years in patient with ankylosing spondylitis (AS) in MEASURE 1 study (NCT01863732).3 Objectives To investigate the relationship between ASDAS states and inhibition of radiographic structural progression in patient with AS treated with secukinumab 150 mg from the MEASURE 1 study over 4-years using post hoc analysis. Methods Lateral radiographs of the cervical and lumbar spine were assessed using the modified Stoke Ankylosing Spondylitis Spinal Score (mSASSS: range 0-72). Images were scored twice at baseline/Week (Wk) 104 and baseline/Wk 208 by 2 central readers blinded to treatment/visit; mean change from baseline to Wk 104 or 208 in mSASSS scores were used. The ASDAS-CRP was used to define the disease activity states at Wks 16, 52, 104, and 208: ID (ASDAS-CRP Results The proportion of patients achieving each ASDAS state are shown in Table. Patients with ASDAS-ID were associated with numerically lower mSASSS mean change from baseline to Wks 104/208 compared to other ASDAS states (Figure). Conclusion In this post hoc analysis, patients with ASDAS-ID state and sustained ASDAS-ID state had lower radiographic progression than patients with higher disease activity at 2 and 4-years suggesting a potential relationship between ASDAS state and structural progression in patients with AS. Further confirmation is needed in larger prospective studies. References [1] Smolen JS, et al. Ann Rheum Dis. 2018;77:3-17. [2] Poddubnyy D, et al. Ann Rheum Dis. 2014;73:422. [3] Braun J, et al. Rheumatology (Oxford)2018. Doi: 10.1093/rheumatology/key375. Disclosure of Interests Xenofon Baraliakos Grant/research support from: AbbVie, Boehringer Ingelheim, Bristol-Myers Squibb, Celgene, Centocor, Chugai, Janssen, MSD, Novartis, Pfizer Inc, Roche and UCB, Grant/research support from: AbbVie, Pfizer, Merck Sharp & Dohme, UCB Pharma, Novartis, Consultant for: AbbVie, Bristol-Myers Squibb, Boehringer Ingelheim, Celgene, Chugai, Janssen Biologics, Novartis, Pfizer, UCB Pharma, Galapagos, Speakers bureau: AbbVie, Chugai, Janssen, Novartis, Pfizer, UCB Pharma, Helena Marzo-Ortega Grant/research support from: Janssen, Novartis and Pfizer, Consultant for: AbbVie, Celgene, Janssen, Eli-Lilly, Novartis and UCB, Speakers bureau: AbbVie, Celgene, Janssen, Eli-Lilly, Novartis and UCB, Filip van den Bosch Consultant for: AbbVie, BMS, Galapagos, Janssen, Lilly, Merck, Novartis, Pfizer and UCB, Speakers bureau: AbbVie, BMS, Janssen, Lilly, Merck, Novartis, Pfizer and UCB., Atul Deodhar Grant/research support from: AbbVie, Amgen, Eli Lilly, GSK, Janssen, Novartis, Pfizer, and UCB, Consultant for: AbbVie, Amgen, BMS, Eli Lilly, Janssen, Novartis, Pfizer, and UCB, Erhard Quebe-Fehling Shareholder of: Novartis, Employee of: Novartis, Eumorphia Maria Delicha Employee of: Novartis, Zsolts Talloczy Shareholder of: Novartis, Employee of: Novartis, Corine Gaillez Shareholder of: Novartis, BMS, Employee of: Novartis

Background Secukinumab (SEC) provided sustained clinical efficacy, and inhibition of radiographic progression over 52 Weeks (Wks) in patients (pts) with psoriatic arthritis (PsA) in the FUTURE 5 study1. Objectives To report the effect of SEC on radiographic progression at Wk 104 (2 years) in PsA pts in the FUTURE 5 study. Methods Adults (N=996) with active PsA, stratified by prior anti-TNF therapy (naive and inadequate response/intolerance [IR]) were randomised 2:2:2:3 to subcutaneous SEC 300mg with loading dose (LD; 300mg), 150mg LD (150mg), 150mg no LD, or placebo at baseline (BL), Wks 1, 2, 3, 4, and every 4 wks thereafter. Pts could have SEC dose escalated from 150 to 300 mg starting from Wk 52, based on physicians9 judgement. Data are shown for pts originally randomised to SEC; 150mg groups include pts who had dose escalated to 300mg. Concomitant MTX (≤25 mg/week) was allowed. Radiographic progression (mean change in van der Heijde-modified total Sharp score [vdH-mTSS] and its components: erosion and joint space narrowing [JSN] scores, was based on hand/wrist/foot X-rays obtained at BL and Wk 104, and assessed by two blinded readers (plus an adjudicator if required). Other efficacy endpoints included ACR20/50, PASI90 and resolution of dactylitis and enthesitis. Results Overall, 84.7% (300mg), 82.3% (150mg) and 75.2% (150mg no LD) pts completed 2 years of treatment. A total of 86 (39%) and 92 (41%) pts had their dose escalated to 300mg in the 150mg and 150mg no LD groups, respectively. Inhibition of radiographic progression was sustained with SEC through 2 years (Table 1). Proportions of pts with no radiographic progression (change from BL in mTSS ≤0.5) with SEC were 89.5% (300 mg), 82.3% (150 mg), and 81.1% (150 mg no LD) at 2 years; corresponding proportion of pts for change from BL in mTSS ≤0.0 were: 81.2%, 69.1% and 73.4%, respectively. Clinical responses were also sustained through 2 years (Table 1). Conclusion Subcutaneous secukinumab provided sustained inhibition of radiographic progression and sustained clinical responses through 2 years of treatment in pts with active PsA. Reference [1] Mease PJ et al. Arthritis Rheumatol 2018;70(suppl 10). Disclosure of Interests Philip J Mease Grant/research support from: AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Janssen, Leo, Eli Lilly, Merck, Novartis, Pfizer, Sun Pharmaceutical Industries, Inc., and UCB., Consultant for: AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Galapagos, Gilead, Janssen, Leo, Eli Lilly, Merck, Novartis, Pfizer, Sun Pharmaceutical Industries, Inc., and UCB., Speakers bureau: AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Genentech, Janssen, Leo, Merck, Novartis, Pfizer and UCB.., Robert B.M. Landewe: None declared, Proton Rahman Grant/research support from: Investigator for Janssen Research & Development, LLC and Novartis, Consultant for: AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Janssen, Eli Lilly,Novartis, and UCB, Speakers bureau: AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Janssen, Eli Lilly, and Novartis, Hasan Tahir Grant/research support from: Novartis, Eli-Lilly, Speakers bureau: AbbVie, Janssen, Eli Lilly, and Novartis, Atul Singhal Grant/research support from: AAbbVie, Gilead, Sanofi, Regeneron, Amgen, Roche, BMS, Janssen, Lilly, Novartis, Pfizer, UCB, Astra Zeneca, MedImmune, FujiFilm, Nichi-Iko, Mallinckrodt, Speakers bureau: AbbVie, Elke Boettcher Consultant for: Amgen, Roche, Eli Lilly, Pfizer, MSD, Novartis, Speakers bureau: Amgen, Roche, Eli Lilly, Pfizer, MSD, Novartis, Sandra Navarra Speakers bureau: Astellas, Johnson & Johnson, Novartis, Pfizer, Aimee Readie Shareholder of: Novartis, Employee of: Novartis, Shephard Mpofu Shareholder of: Novartis, Employee of: Novartis, Eumorphia Maria Delicha Consultant for: Novartis, Luminita Pricop Shareholder of: Novartis, Employee of: Novartis, Desiree van der Heijde Consultant for: AbbVie, Amgen, Astellas, AstraZeneca, Bristol-Myers Squibb, Boehringer Ingelheim, Celgene, Daiichi, Eli-Lilly, Galapagos, Gilead, GlaxoSmithKline, Janssen, Merck, Novartis, Pfizer, Regeneron, Roche, Sanofi, Takeda, Union Chimique Belge

[Tahir, Hasan] Barts Hlth NHS Trust, Rheumatol, London, England. [Mease, Philip J.] Swedish Med Ctr, Dermatol, Seattle, WA USA. [Mease, Philip J.] Univ Washington, Seattle, WA 98195 USA. [Kavanaugh, Arthur] Univ Calif La Jolla, San Diego Sch Med, La Jolla, CA USA. [Reimold, Andreas] Dallas Vet Affairs Med Ctr, Dallas, TX USA. [Reimold, Andreas] Univ Texas Southwestern Med Ctr Dallas, Dallas, TX 75390 USA. [Rech, Juergen] Friedrich Alexander Univ Erlangen Nurnberg, Univ Klinikum Erlangen, Dept Internal Med Rheumatol & Immunol, Erlangen, Germany. [Hall, Stephen] Emeritus Res, Rheumatol, Camberwell, Australia. [Geusens, Piet] Univ Hasselt, Rheumatol, Hasselt, Belgium. [Pellet, Pascale; Mpofu, Shephard] Novartis Pharma AG, Immunol & Dermatol, Basel, Switzerland. [Delicha, Eumorphia Maria] Novartis Pharma AG, Biostat, Basel, Switzerland. [Pricop, Luminita] Novartis Pharmaceut, Immunol Hepatol & Dermatol Franchise, E Hanover, NJ USA.

Objective To evaluate the effect of secukinumab, a fully human anti-interleukin-17A monoclonal antibody, on efficacy, imaging outcomes, and safety through 4 years (208 weeks) in patients with ankylosing spondylitis. Methods Patients opting to enrol had completed 2 years’ treatment in the MEASURE 1 core study with subcutaneous secukinumab 150 or 75 mg every 4 weeks (q4Wk), following intravenous loading to Week (Wk) 4, or placebo treatment to Wk16/24. Up-titration from secukinumab 75–150 mg q4Wk was permitted following a protocol amendment. Efficacy is reported for patients originally randomized to secukinumab. Radiographic changes were assessed using the modified Stoke Ankylosing Spondylitis Spinal Score (mSASSS) and changes in MRI measures of inflammation using the Berlin scoring method. Safety and tolerability were evaluated. Results Among 274 extension study participants, 89.7% (78/87) and 93.0% (93/100) originally randomized to secukinumab 150 and 75 mg, respectively, completed 208Wk. Through Wk208, Assessment of Spondyloarthritis International Society 20/40 (observed) were 79.7%/60.8% (150 mg), 71.0%/43.5% (75 mg) and 80.0%/76% (up-titrators; n = 25). Mean (s.d.) changes in mSASSS were 1.2 (3.91) (150 mg), 1.8 (4.32) (75 mg) and 1.6 (5.67) (up-titrators). No radiographic progression (mSASSS change from Baseline < 2) was observed in 79% of patients receiving either secukinumab dose. Exposure-adjusted incidence rates per 100 patient-years were: serious infections (1.0), Candida infections (0.4), Crohn’s disease (0.6), ulcerative colitis (0.2), and malignant/unspecified tumours (0.5), with no new safety signals. Conclusion Through 4 years, secukinumab provided sustained efficacy on signs and symptoms, and MRI outcomes, a low rate of radiographic progression and a consistent safety profile. Trial registration NCT01863732.

Secukinumab, a fully human anti-IL-17A monoclonal antibody, provided rapid and sustained improvements in signs and symptoms of ankylosing spondylitis (AS) over 2 years in the Phase 3 MEASURE 1 trial. Here, we report efficacy and safety after 3 years of treatment.AS subjects completing 2 years of treatment every 4 weeks with subcutaneous secukinumab 150 or 75 mg (following intravenous loading or initial placebo treatment to 16/24 weeks) entered a separate 3-year extension study (NCT01863732). Assessments included ASAS20/40, ASAS5/6, BASDAI, BASDAI 50, BASFI, BASMI, SF-36 physical component summary, ASAS partial remission and ASDAS-CRP. Results were also analysed by prior anti-TNF treatment status.Among 290 subjects completing the core trial, 274 entered the extension study, with 260 subjects (94.9%) completing 156 weeks of treatment. ASAS20/40 response (observed) was 80.2%/61.6% in the IV→150 mg group and 75.5%/50.0% in the IV→75 mg group after 156 weeks. Sustained improvements were also seen in BASDAI, BASFI, BASMI and across all other endpoints regardless of previous exposure to anti-TNF agents. Mean secukinumab exposure was 964.3 days (137.8 weeks). Discontinuation rates were low, and secukinumab had a favourable safety profile, consistent with previous reports. Exposure-adjusted incidence rates for serious infections, Candida infections, Crohn's disease, ulcerative colitis, malignant/unspecified tumours, and adjudicated major adverse cardiac events were 1.1, 0.4, 0.5, 0.1, 0.5 and 0.7 per 100 subject-years, respectively.Secukinumab provided sustained efficacy in signs, symptoms and physical function in subjects with AS over 3 years. No new safety signals were observed.