scholarly journals Comparison of Men and Women With Axial Spondyloarthritis in the US-Based Corrona Psoriatic Arthritis/Spondyloarthritis Registry

2021 ◽  
pp. jrheum.201549
Author(s):  
Philip J. Mease ◽  
Robert R. McLean ◽  
Blessing Dube ◽  
Mei Liu ◽  
Sabrina Rebello ◽  
...  
Keyword(s):  
Psoriatic Arthritis ◽  
Ankylosing Spondylitis ◽  
Disease Activity ◽  
Disease Burden ◽  
Axial Spondyloarthritis ◽  
Categorical Variables ◽  
Full Time ◽  
Men And Women ◽  
Patient Reported ◽  
The Us

Objective To compare patient characteristics and disease burden between men and women with axial spondyloarthritis (axSpA) in the US-based Corrona Psoriatic Arthritis/Spondyloarthritis (PsA/SpA) Registry. Methods Patients aged ≥18 years with axSpA enrolled in the Corrona PsA/SpA Registry between March 2013 and November 2018 who were not concurrently diagnosed with PsA were included. Patient demographics, clinical characteristics, disease activity, patient-reported symptoms, work productivity, and treatment history at enrollment were compared between men and women using t tests or Wilcoxon rank-sum tests for continuous variables and χ2 or Fisher’s exact tests for categorical variables. Results Of 498 patients with axSpA and available sex information, 307 (61.6%) were men and 191 (38.4%) were women. Compared with men, women had higher disease activity as measured by Bath Ankylosing Spondylitis Disease Activity Index, Bath Ankylosing Spondylitis Functional Index, and physician global assessment, and had higher tender/swollen joint counts and enthesitis scores (all P≤0.01). Women also had worse patient-reported symptoms (pain, fatigue, HAQ-S, and EQ-VAS; all P<0.05), greater work and activity impairment, and were less likely to work full time than men. Prior csDMARD and prednisone use was more common in women than in men (both P<0.05). Additionally, women were more likely to have diagnoses of depression and fibromyalgia (both P<0.01). Conclusion In this US registry of patients with axSpA, women had higher overall disease burden and more peripheral manifestations than men. Improved awareness of sex differences in the presentation of axSpA may aid physicians in earlier identification and improved disease management.

scholarly journals The Sex Influence on Response to Tumor Necrosis Factor-α Inhibitors and Remission in Axial Spondyloarthritis

2017 ◽  
Vol 45 (2) ◽  
pp. 195-201 ◽  
Author(s):  
Ennio Lubrano ◽  
Fabio Massimo Perrotta ◽  
Maria Manara ◽  
Salvatore D’Angelo ◽  
Olga Addimanda ◽  
...  
Keyword(s):  
Ankylosing Spondylitis ◽  
Disease Activity ◽  
Axial Spondyloarthritis ◽  
Response To Treatment ◽  
Inactive Disease ◽  
Disease Remission ◽  
Female Patients ◽  
Patient Reported ◽  
Factor Α ◽  
Necrosis Factor

Objective.The aim of this study was to evaluate the influence of sex on response to treatment and disease remission in patients with axial spondyloarthritis (axSpA).Methods.In this retrospective multicenter study, patients with axSpA, according to the Assessment of Spondyloarthritis international Society (ASAS) criteria for axSpA, and treated with adalimumab, etanercept, golimumab, or infliximab, were studied. We compared clinical characteristics, patient-reported outcomes, disease activity, function, and response to treatment in male and female patients with this disease.Results.Three hundred forty patients with axSpA (270 with ankylosing spondylitis, 19 with psoriatic arthritis with axial involvement, and 51 with nonradiographic axSpA) were studied. Male subjects had a significantly higher prevalence of grade IV sacroiliitis, higher levels of serum C-reactive protein, lower Maastricht Ankylosing Spondylitis Enthesitis Score, and fatigue when compared with females. Further, Kaplan-Meier survival curves showed that the rate of partial remission, ASAS40 response, and Ankylosing Spondylitis Disease Activity Score (ASDAS) major improvement, but not ASDAS inactive disease, were significantly lower in female patients.Conclusion.Our data suggest that female sex was associated with a lower rate of response to treatment and of disease remission in patients with axSpA treated with antitumor necrosis factor-α drugs.

scholarly journals AB0555 IMPACT OF ADALIMUMAB VERSUS NON-BIOLOGIC THERAPY ON CLINICAL AND PATIENT-REPORTED OUTCOMES IN PSORIATIC ARTHRITIS OVER 24 MONTHS – RESULTS OF THE COMPLETE-PsA CANADIAN OBSERVATIONAL STUDY

2021 ◽  
Vol 80 (Suppl 1) ◽  
pp. 1312.2-1313
Author(s):  
M. Khraishi ◽  
S. Silverberg ◽  
Y. Setty ◽  
M. C. Laliberté ◽  
L. Bessette
Keyword(s):  
Psoriatic Arthritis ◽  
Observational Study ◽  
Disease Activity ◽  
Medical Research ◽  
Treatment Effect ◽  
Patient Reported Outcomes ◽  
Disease Burden ◽  
Morning Stiffness ◽  
Research Support ◽  
Patient Reported

Background:COMPLETE-PsA was a Canadian observational study of biologic-naïve adults with active psoriatic arthritis (PsA) treated with adalimumab (ADA) or conventional systemic disease-modifying anti-rheumatic drugs (csDMARDs) after switch from a previous conventional therapy.Objectives:To compare the impact of ADA vs csDMARDs on clinical and patient-reported outcomes due to PsA over 24 months.Methods:Eligible patients were biologic naïve adults with active PsA who required change in their treatment due to inadequate response or non-tolerance, as per treating physician judgement. Patients were enrolled between July/2011 and December/2017 and followed for a maximum 24 months. Treatment was as per routine care. Outcome measures included tender/swollen joint count (TJC/SJC), morning stiffness (min/day), patient’s global assessment of disease activity (PtGA) and pain (both 100 mm VAS), quality of life (DLQI), and functional disability (HAQ-DI). Outcome changes over time were evaluated using multivariable models adjusting for baseline measures. Achievement of modified minimal disease activity [mMDA, 5/7 of: TJC and SJC ≤1 each, psoriasis BSA ≤3%, pain ≤15 (VAS, mm), PtGA ≤20, HAQ-DI ≤0.5, and no enthesitis], and presence of enthesitis and dactylitis, were assessed descriptively. Analyses were conducted in the intent-to-treat population.Results:A total of 277 ADA and 148 csDMARD-treated patients were included in the analysis. At baseline, 61.7% of ADA and 81.1% of csDMARD patients reported concomitant methotrexate. Compared to the csDMARD group, ADA-treated patients demonstrated significantly (p<0.05) greater baseline disease severity with respect to mean (SD) joint count [TJC: 8.9 (6.2) vs. 7.4 (6.6); SJC: 7.4 (5.0) vs. 5.9 (4.6)], morning stiffness [83.5 (98.2) vs. 61.8 (77.4) min/day], PtGA [56.1 (24.1) vs. 45.1 (24.7) mm], pain [58.5 (24.3) vs. 50.1 (24.0) mm], DLQI scores [6.1 (6.9) vs. 4.3 (5.3)] and HAQ-DI [1.1 (0.6) vs. 0.8 (0.6)]. The rate of baseline mMDA was slightly lower for ADA patients (4.3% vs. 7.4%; p=0.178). Baseline prevalence of enthesitis was comparable (ADA: 28.4% vs. csDMARD: 23.4%; p=0.276), while dactylitis was significantly more prevalent for csDMARD patients (26.2% vs. 36.3%; p=0.031).Overall effect of treatment group, over 24 months, significantly (p<0.05) favored the ADA vs. csDMARD-treated patients for TJC [estimate (95%CI): -2.4 (-3.4, -1.4)] SJC [-1.8 (-2.5, -1.2)], PtGA [-3.7 (-9.3, 1.9)], DLQI [-1.5 (-2.5, -0.5)], and HAQ-DI [-0.1 (-0.2, 0.0)] (Figure 1). There was no significant difference for morning stiffness and pain.At month 24, statistically comparable (p>0.05) baseline-adjusted values (the least square means: LSM) were observed for ADA- vs. csDMARD-treated patients for TJC [LSM (95%CI): 1.8 (1.2, 2.4) vs. 3.0 (2.1, 3.8)], SJC [1.2 (0.8, 1.7) vs. 2.1 (1.5, 2.7)], morning stiffness [32.4 (19.1, 45.6) vs. 29.9 (11.1, 48.6) min/day], PtGA [31.6 (28.1, 35.2) vs. 36.9 (31.8, 41.9) mm], pain [35.3 (31.5, 39.0) vs. 38.4 (33.1, 43.7) mm], DLQI [2.9 (2.2, 3.6) vs. 2.9 (2.0, 3.8)], and HAQ-DI [0.7 (0.6, 0.8) vs. 0.9 (0.8, 1.0)].Achievement of mMDA at month 24 was reported by 34.1% and 34.9% of ADA- and csDMARD-treated patients, respectively (p=0.892). Rates of dactylitis (10.6% vs. 10.0%) and enthesitis (9.6% vs. 14.4%) were comparable in the ADA vs. csDMARDs groups respectively.Conclusion:The results of this real-world Canadian study indicate a physician selection bias for treatment with ADA for PsA patients with more severe disease burden, indicated by greater baseline disease activity and PROs. ADA-treated patients experienced a greater treatment effect over 24 months compared to csDMARD-treated patients. However, despite the greater treatment effect of ADA, residual disease burden in the two groups was comparable at 24 months.Acknowledgements:The authors wish to acknowledge JSS Medical Research for their contribution to the statistical analysis, medical writing, and editorial support during the preparation of this abstract. AbbVie provided funding to JSS Medical Research for this work.Disclosure of Interests:Majed Khraishi Speakers bureau: Speaker for AbbVie, Consultant of: Consultant for AbbVie, Grant/research support from: Principal Investigator for AbbVie, Samuel Silverberg Consultant of: Consultant for AbbVie, Janssen, and Pfizer, Yatish Setty Consultant of: Advisory Board meetings with AbbVie and Janssen, Marie-Claude Laliberté Employee of: Employee of AbbVie, Louis Bessette Speakers bureau: Speaker for Amgen, BMS, Janssen, UCB, AbbVie, Pfizer, Merck, Celgene, Lilly, Novartis, Gilead, Sandoz, Fresenius Kabi, Consultant of: Consultant for Amgen, BMS, Janssen, UCB, AbbVie, Pfizer, Celgene, Lilly, Novartis, Gilead, Sandoz, Samsung Bioepis, Fresenius Kabi, Grant/research support from: Investigator for Amgen, BMS, Janssen, UCB, AbbVie, Pfizer, Merck, Celgene, Sanofi, Lilly, Novartis, Gilead.

scholarly journals Relationship between disease activity status or clinical response and patient-reported outcomes in patients with non-radiographic axial spondyloarthritis: 104-week results from the randomized controlled EMBARK study

2020 ◽  
Vol 18 (1) ◽  
Author(s):  
Maxime Dougados ◽  
Désirée van der Heijde ◽  
Wen-Chan Tsai ◽  
Diego Saaibi ◽  
Lisa Marshall ◽  
...  
Keyword(s):  
Back Pain ◽  
Ankylosing Spondylitis ◽  
Disease Activity ◽  
Patient Reported Outcomes ◽  
Axial Spondyloarthritis ◽  
Analysis Of Covariance ◽  
General Fatigue ◽  
Composite Indices ◽  
Patient Reported ◽  
Very High

Abstract Background We assessed the external validity of composite indices Ankylosing Spondylitis Disease Activity Score (ASDAS), Bath Ankylosing Spondylitis Disease Activity Index (BASDAI), and Assessment in SpondyloArthritis international Society (ASAS) 40 response (ASAS40) by evaluating the correlations between the changes in some patient reported outcomes (PROs) for patients with non-radiographic axial spondyloarthritis (nr-axSpA) and the changes in the scores of the composite indices. Methods This was a post-hoc analysis of data from the EMBARK study in patients with nr-axSpA treated with etanercept. PROs were grouped according to ASDAS status (inactive [< 1.3], low [≥ 1.3 to < 2.1], high [≥ 2.1 to ≤3.5], and very high [> 3.5]), patient achievement of > 50% improvement in BASDAI (BASDAI50 responders), and > 40% improvement in ASAS (ASAS40 responders) at 104 weeks. Analyses were conducted on observed cases available at Week 104. Changes in PROs from Baseline to Week 104 were assessed using analysis of covariance with adjustment for baseline with linear contrast. Results Higher ASDAS disease activity at 104 weeks was associated with lower long-term improvement from baseline in PROs (e.g., total back pain [visual analog scale, cm (95% confidence interval): − 4.58 (− 4.95, − 4.21), − 3.86 (− 4.28, − 3.43), − 2.15 (− 2.68, − 1.61), and 1.30 (− 0.51, 3.12) for inactive, low, high, and very high ASDAS disease activity, respectively; Multidimensional Fatigue Inventory (MFI) general fatigue: − 4.77 (− 5.70, − 3.84), − 2.96 (− 4.04, − 1.87), − 1.00 (− 2.32, 0.31), and 2.14 (− 2.10, 6.38); all p < 0.001)]. BASDAI50 non-responders had less improvement in PROs from Baseline to Week 104 vs. responders (e.g., total back pain: − 1.61 (− 2.05, − 1.18) vs. –4.43 (− 4.69, − 4.18); MFI general fatigue: − 0.01 (− 1.12, 1.09) vs. –4.30 (− 4.98, − 3.62); all p < 0.001). ASAS40 non-responders also had less improvement in PROs from Baseline to Week 104 vs. responders (e.g., total back pain: − 1.91 (− 2.30, − 1.52) vs. –4.75 (− 5.05, − 4.46); MFI general fatigue: − 0.63 (− 1.56, 0.30) vs. –4.64 (− 5.37, − 3.91); all p < 0.001). Conclusion Composite indices are valid for monitoring treatment response and adequately reflect treatment-related changes experienced by patients with nr-axSpA. Trial registration ClinicalTrials.gov identifier: NCT01258738. Registered 9 December 2010.

scholarly journals Ixekizumab improves spinal pain, function, fatigue, stiffness, and sleep in radiographic axial Spondyloarthritis: COAST-V/W 52-week results

2021 ◽  
Vol 5 (1) ◽  
Author(s):  
Atul A. Deodhar ◽  
Philip J. Mease ◽  
Proton Rahman ◽  
Victoria Navarro-Compán ◽  
Vibeke Strand ◽  
...  
Keyword(s):  
Ankylosing Spondylitis ◽  
Sleep Quality ◽  
Disease Activity ◽  
Patient Reported Outcomes ◽  
Axial Spondyloarthritis ◽  
Spinal Pain ◽  
Additional Patient ◽  
Link Type ◽  
Patient Reported ◽  
Global Disease Activity

Abstract Background This analysis assessed improvements in patients with radiographic axial spondyloarthritis (r-axSpA) treated with ixekizumab in the Assessment of Spondyloarthritis International Society (ASAS) treatment response domains and additional patient-reported outcomes at 1 year of treatment. Methods COAST-V and COAST-W were 52-week, phase 3, randomized controlled trials evaluating the efficacy and safety of ixekizumab in biologic disease-modifying antirheumatic drug (bDMARD)-naïve and tumor necrosis factor inhibitor (TNFi)-experienced patients with radiographic spondyloarthritis, respectively. Patients were treated with 80-mg ixekizumab either every 2 weeks or every 4 weeks. Patient-reported outcomes included Patient Global Disease Activity, Spinal Pain, stiffness as measured by Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) Questions 5 and 6, function as measured by the Bath Ankylosing Spondylitis Functional Index, fatigue as measured by the Fatigue Numeric Rating Scale and BASDAI question 1, Spinal Pain at Night, and sleep quality as measured by the Jenkins Sleep Evaluation Questionnaire. Mixed-effects models for repeated measures were used to analyze changes from baseline in patient-reported outcomes from weeks 1 to 16, and descriptive statistics were reported from weeks 20 to 52. Analysis of covariance with Scheffé’s method was used for the ASAS response association analyses. Results This study assessed 341 bDMARD-naïve and 316 TNFi-experienced patients in the placebo-controlled blinded treatment dosing period (weeks 1–16) as well as 329 bDMARD-naïve and 281 TNFi-experienced patients in the dose double-blind extended treatment period (weeks 20–52). bDMARD-naïve or TNFi-experienced patients treated with ixekizumab every 2 weeks and every 4 weeks reported improvements in patient global disease activity, spinal pain, function, stiffness, fatigue, spinal pain at night, and sleep quality through week 52. Greater correlations with improvements in all response domains were seen when comparing ASAS40 responders to ASAS20 non-responders (p < 0.001), with up to 10.5-fold greater improvements observed in ASAS40 responses compared with ASAS20 non-responders. Function and fatigue demonstrated the highest values. Conclusions Ixekizumab-treated bDMARD-naïve and TNFi-experienced patients with radiographic axial spondyloarthritis achieving ASAS40 reported sustained and consistent improvement in all ASAS response domains and other patient-reported outcomes though week 52, with spinal pain, function, and stiffness as major drivers of the response. Trial registration NCT02696785 and NCT02696798, March 2, 2016.

scholarly journals Employment and Functional Ability in Men and Women With Axial Spondyloarthritis as Described in the US-based Corrona Psoriatic Arthritis/Spondyloarthritis Registry

2021 ◽  
pp. jrheum.210469
Author(s):  
Sinead Maguire ◽  
Gillian Fitzgerald ◽  
Finbar O'Shea
Keyword(s):  
Comparative Analysis ◽  
Psoriatic Arthritis ◽  
Functional Ability ◽  
Recent Article ◽  
Axial Spondyloarthritis ◽  
Men And Women ◽  
The Us ◽  
Males And Females

We read with interest the recent article from Mease et al1 regarding the analysis of men and women with axial spondyloarthritis (axSpA) captured in the Corrona Psoriatic Arthritis/ Spondyloarthritis Registry. Dedicated comparative analysis in large, well-characterized cohorts such as this are crucial to identifying the variation of axSpA between males and females.

scholarly journals Dr. Mease et al reply

2021 ◽  
pp. jrheum.210750
Author(s):  
Philip J. Mease ◽  
Robert R. McLean ◽  
Blessing Dube ◽  
Mei Liu ◽  
Sabrina Rebello ◽  
...  
Keyword(s):  
Psoriatic Arthritis ◽  
Causal Relationship ◽  
Disease Burden ◽  
Axial Spondyloarthritis ◽  
Work Productivity ◽  
Patient Characteristics ◽  
Men And Women ◽  
Prevalence Of Depression

We thank Dr. Maguire et al1 for their interest in and appreciation of our study from the Corrona Psoriatic Arthritis/ Spondyloarthritis Registry comparing patient characteristics and disease burden between men and women with axial spondyloarthritis (axSpA).2 Dr. Maguire and colleagues raised a number of interesting questions around the causal relationship between the higher prevalence of depression and decreased work productivity we observed in women in our study.

scholarly journals Influence of Axial Involvement on Clinical Characteristics of Psoriatic Arthritis: Analysis from the Corrona Psoriatic Arthritis/Spondyloarthritis Registry

2018 ◽  
Vol 45 (10) ◽  
pp. 1389-1396 ◽  
Author(s):  
Philip J. Mease ◽  
Jacqueline B. Palmer ◽  
Mei Liu ◽  
Arthur Kavanaugh ◽  
Renganayaki Pandurengan ◽  
...  
Keyword(s):  
Psoriatic Arthritis ◽  
Ankylosing Spondylitis ◽  
Disease Activity ◽  
Activity Index ◽  
Health Assessment ◽  
Disease Activity Index ◽  
Severe Psoriasis ◽  
Spinal Involvement ◽  
Patient Reported ◽  
Axial Involvement

Objective.We analyzed the characteristics of patients with psoriatic arthritis (PsA) with and without axial involvement in the US-based Corrona Psoriatic Arthritis/Spondyloarthritis Registry.Methods.All patients were included who had PsA and data on axial involvement, defined as physician-reported presence of spinal involvement at enrollment, and/or radiograph or magnetic resonance imaging showing sacroiliitis. Demographics, clinical measures, patient-reported outcomes, and treatment characteristics were assessed at enrollment.Results.Of 1530 patients with PsA, 192 (12.5%) had axial involvement and 1338 (87.5%) did not. Subgroups were similar in sex, race, body mass index, disease duration, presence of dactylitis, and prevalence of most comorbidities. However, patients with axial involvement were younger and more likely to have enthesitis, a history of depression, and more frequently used biologics at enrollment. They were also more likely to have moderate/severe psoriasis (body surface area ≥ 3%, 42.5% vs 31.5%) and significantly worse disease as measured by a lower prevalence of minimal disease activity (30.1% vs 46.2%) and higher nail psoriasis scores [visual analog scale (VAS) 11.4 vs 6.5], enthesitis counts (5.1 vs 3.4), Bath Ankylosing Spondylitis Disease Activity Index (4.7 vs 3.5) scores, Bath Ankylosing Spondylitis Functional Index (3.8 vs 2.5) scores, C-reactive protein levels (4.1 vs 2.4 mg/l), and scores for physical function (Health Assessment Questionnaire, 0.9 vs 0.6), pain (VAS, 47.7 vs 36.2), and fatigue (VAS, 50.2 vs 38.6).Conclusion.Presence of axial involvement was associated with a higher likelihood of moderate/severe psoriasis, with higher disease activity and greater effect on quality of life. These findings highlight the importance of monitoring patients with PsA for signs of axial symptoms or spinal involvement.

Clinical manifestations, disease activity and disease burden of radiographic versus non-radiographic axial spondyloarthritis over 5 years of follow-up in the DESIR cohort

2019 ◽  
Vol 79 (2) ◽  
pp. 209-216 ◽  
Author(s):  
Clementina López-Medina ◽  
Anna Molto ◽  
Pascal Claudepierre ◽  
Maxime Dougados
Keyword(s):  
Sick Leave ◽  
Disease Activity ◽  
Mixed Models ◽  
Disease Burden ◽  
Axial Spondyloarthritis ◽  
Clinical Manifestations ◽  
Rheumatic Manifestations ◽  
Patient Reported ◽  
Over Time

ObjectivesTo compare the clinical manifestations, disease activity and disease burden between patients with radiographic (r-axSpA) and non-radiographic axial spondyloarthritis (nr-axSpA) over a 5-year follow-up period in the Devenir des Spondylarthropathies Indifferénciées Récentes (DESIR) cohort.MethodsPatients from the DESIR cohort who had X-ray images of the sacroiliac joints available at baseline and did not leave the study during the 5-year follow-up period because of a diagnosis other than axSpA were included. A unilateral rating of ‘obvious sacroiliitis’ by the local reader was considered sufficient for classification as r-axSpA. The incidence of first episodes of peripheral and extra-rheumatic manifestations was compared between the two groups using the incidence rate ratio and Cox regressions adjusted for sex, age and tumour necrosis factor blocker (TNFb) intake. Mean values of patient-reported outcomes (PROs) and days of sick leave over 5 years of follow-up were compared using mixed models adjusted for sex, age, TNFb intake and baseline values.ResultsIn total, 669 patients were included, of whom 185 (27.7%) and 484 (72.3%) were classified as r-axSpA and nr-axSpA, respectively. At baseline, the r-axSpA patients showed a significantly higher prevalence of males. After adjusting for age, sex and TNFb intake, Cox regressions for peripheral and extra-rheumatic manifestations did not show any significant differences between groups. Mixed models also showed similar mean levels in PROs and days of sick leave between groups over time.ConclusionThe incidence of peripheral and extra-rheumatic manifestations as well as the disease burden over time remained similar between r-axSpA and nr-axSpA groups after adjusting for intermediate variables.Trial registration numberNCT01648907

scholarly journals OP0143 IMPACT OF ADALIMUMAB VERSUS NON-BIOLOGIC THERAPY ON DISEASE ACTIVITY AND PATIENT-REPORTED OUTCOMES IN ANKYLOSING SPONDYLITIS OVER 24 MONTHS – RESULTS OF THE COMPLETE-AS CANADIAN OBSERVATIONAL STUDY

2021 ◽  
Vol 80 (Suppl 1) ◽  
pp. 84.2-85
Author(s):  
L. Bessette ◽  
A. Chow ◽  
V. Pavlova ◽  
M. C. Laliberté ◽  
M. Khraishi
Keyword(s):  
Ankylosing Spondylitis ◽  
Observational Study ◽  
Disease Activity ◽  
Patient Reported Outcomes ◽  
Disease Burden ◽  
Therapeutic Response ◽  
Morning Stiffness ◽  
Research Support ◽  
Patient Reported ◽  
Response Thresholds

Background:COMPLETE-AS was an observational study among Canadian biologic-naïve adults with active ankylosing spondylitis (AS) treated with either adalimumab or subsequent non-biologic disease-modifying anti-rheumatic drugs and/or non-steroidal anti-inflammatory drugs (nbDMARD/NSAID) after having switched from initial treatment with a preceding nbDMARD and/or NSAID due to lack of response or intolerance, as per treating physician judgement.Objectives:To assess the impact of adalimumab on disease activity and patient-reported outcomes among adalimumab- vs. nbDMARD/NSAID-treated patients over 24 months.Methods:Patients were enrolled between July 2011 and December 2017 and followed for up to 24 months. Treatment was per routine care and all analyses were perfomed using the intent-to-treat (ITT) approach. Between-group differences for change in patient-reported disease activity (BASDAI), morning stiffness (minutes/day), functional limitation (BASFI), quality of life (QoL: SF-12), depression (BDI-II), and work productivity (WLQ) were assessed with repeated measures models for overall treatment effect; baseline-adjusted estimates (least square means [LSM]) for each visit were produced. Achievement of, and time to the following endpoints were assessed: 50% improvement from baseline in BASDAI (BASDAI50); minimum clinically important improvements (MCIIs) in BASDAI (Δ≥1.1); BASFI (Δ≥0.6); SF-12 physical component score (PCS; Δ≥4.4) and mental component score (MCS; Δ≥3.1); and low disease activity for BASDAI (<4) and BASFI (<3.8).Results:A total of 452 adalimumab-treated patients and 187 nbDMARD/NSAID-treated patients were enrolled in the study and included in the analyses. At baseline, mean (SD) BASDAI [6.4 (1.8) vs. 5.0 (1.8); p<0.001] and BASFI [5.5 (2.4) vs. 3.7 (2.4)] were however significantly (p<0.001) higher among adalimumab-treated patients compared to nbDMARD/NSAID-treated patients, respectively.Over 24 months, adalimumab-treated patients had significantly lower overall BASDAI scores compared to nbDMARD/NSAID-treated patients [estimate (95% CI): -0.7 (-1.2, -0.3); p=0.007]. BASFI scores were also significantly lower among adalimumab-treated patients over the course of the study [estimate (95% CI): -0.4 (-0.8, 0.0); p=0.013]. Both groups had statistically comparable outcomes for morning stiffness, BDI-II, WLQ, and SF-12.Adalimumab-treated patients were also at significantly higher odds of achieving therapeutic response thresholds, including BASDAI50 [OR (95% CI): 1.7 (1.2-2.3)], BASDAI<4 [1.8 (1.2-2.7)], MCII for BASDAI [1.9 (13.-2.9)], and MCII for BASFI [1.6 (1.1-1.2)]. Time to achievement of each threshold was significantly shorter among adalimumab-treated patients for BASDAI50 [HR (95% CI): 1.8 (1.1-2.8)], BASDAI<4 [1.7 (1.6-3.6)], and MCII for BASDAI [1.5 (1.0-2.3)]. Time to achievement of MCII for BASFI was not statistically different between groups; for BASFI<3.8 and MCII for both SF-12 PCS and MCS, both odds of, and time to achievement, were also statistically comparable.At month 24, baseline-adjusted BASDAI and BASFI was comparable (p>0.05): LSM (95%CI) 3.5 (3.3, 3.8) vs. 3.6 (3.2-4.0), and 2.9 (2.6-3.1) vs. 3.3 (2.9-3.7), respectively, for adalimumab-treated vs. nbDMARD/NSAID-treated patients.Conclusion:Among Canadian patients with active AS, adalimumab-treated patients reported a greater overall reduction in disease burden related to both self-reported disease activity and functional capacity compared to nbDMARD/NSAID-treated patients, along with higher odds and shorter time to achieving therapeutic response thresholds. Despite the overall beneficial effects observed with adalimumab, residual disease burden, however, is observed for Canadian AS patients even after 24 months of treatment.Acknowledgements:The authors wish to acknowledge JSS Medical Research for their contribution to the statistical analysis, medical writing, and editorial support during the preparation of this abstract. AbbVie provided funding to JSS Medical Research for this work.Disclosure of Interests:Louis Bessette Speakers bureau: Speaker for Amgen, BMS, Janssen, UCB, AbbVie, Pfizer, Merck, Celgene, Lilly, Novartis, Gilead, Sandoz, Fresenius Kabi, Consultant of: Consultant for Amgen, BMS, Janssen, UCB, AbbVie, Pfizer, Celgene, Lilly, Novartis, Gilead, Sandoz, Samsung Bioepis, Fresenius Kabi, Grant/research support from: Investigator for Amgen, BMS, Janssen, UCB, AbbVie, Pfizer, Merck, Celgene, Sanofi, Lilly, Novartis, Gilead, Andrew Chow Speakers bureau: Speaker for AbbVie, BMS, Janssen, Pfizer, Consultant of: Consultant for AbbVie, Amgen, BMS, Celgene, Janssen, Lilly, Merck, Novartis, Pfizer, Roche, Grant/research support from: Investigator for AbbVie, Amgen, BMS, Celgene, Janssen, Lilly, Merck, Novartis, Pfizer, Roche, Viktoria Pavlova Speakers bureau: Speaker for Amgen, Abbvie, BMS, Jenssen, Lilly, Merk, Novartis, Roche, UCB, and Pfizer, Consultant of: Consultant for Amgen, Abbvie, BMS, Jenssen, Lilly, Merk, Novartis, Roche, UCB, and Pfizer, Grant/research support from: Investigator for Janssen, UCB, Abbvie, and Pfizer; and received research grants from UCB, Marie-Claude Laliberté Employee of: Employee of AbbVie, Majed Khraishi Speakers bureau: Speaker for AbbVie, Consultant of: Consultant for AbbVie, Grant/research support from: Principal Investigator for AbbVie

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