Dataset Information

Response to secukinumab on synovitis using Power Doppler ultrasound in psoriatic arthritis: 12-week results from a phase III study, ULTIMATE.

ABSTRACT:

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.

SUBMITTER: D'Agostino MA

PROVIDER: S-EPMC9071547 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature

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Publications

Response to secukinumab on synovitis using Power Doppler ultrasound in psoriatic arthritis: 12-week results from a phase III study, ULTIMATE.

D'Agostino Maria Antonietta MA Schett Georg G López-Rdz Alejandra A Šenolt Ladislav L Fazekas Katalin K Burgos-Vargas Ruben R Maldonado-Cocco Jose J Naredo Esperanza E Carron Philippe P Duggan Anne-Marie AM Goyanka Punit P Boers Maarten M Gaillez Corine C

Rheumatology (Oxford, England) 20220501 5

<h4>Objectives</h4>To investigate the dynamics of response of synovitis to IL-17A inhibition with secukinumab in patients with active PsA using Power Doppler ultrasound.<h4>Methods</h4>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 secukinu ...[more]

PMID: 34528079

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Project description:IntroductionPsoriatic arthritis (PsA) is an immune-mediated chronic inflammatory arthropathy associated with impaired physical function and reduced quality of life. Biologic therapies that target tumor necrosis factor (anti-TNF) have significantly improved clinical outcomes. Partial, non- and transient responses remain common comprising significant unmet clinical need. New therapies with novel modes of action are urgently required.ObjectivesThe interleukin (IL)-17 pathway has recently been attributed a critical role in the pathogenesis of spondyloarthritides. Herein, we review data from clinical studies with secukinumab, a novel fully human IgG1κ anti-IL-17A monoclonal antibody (mAb), in patients with active PsA.ResultsAcross two pivotal phase 3 studies, secukinumab provided significant and sustained reductions in the signs and symptoms of PsA, inhibition of radiographic progression, and improved patient-reported outcomes and measures of quality of life. The primary efficacy endpoint, a ≥20% improvement from baseline according to the American College of Rheumatology 20 (ACR20) response at Week 24, was significantly higher in patients treated with secukinumab compared with placebo, with improvements sustained through at least 52 weeks. Clinical benefits were seen with secukinumab regardless of concomitant methotrexate treatment and in patients who were either anti-TNF-naïve or who were inadequate responders to anti-TNF therapy. Secukinumab was well-tolerated, with a safety profile consistent with that previously reported in psoriasis trials. The most common adverse events were nasopharyngitis, upper respiratory tract infections, and headache.ConclusionSecukinumab offers an effective new addition to the available treatment options for PsA. Regulatory submissions have been filed worldwide, with the first approvals recently obtained in Japan and Europe. Future studies are required to define the optimal timing and strategic use of this novel treatment modality.FundingNovartis Pharma.

Project description:IntroductionEnthesitis is a hallmark of psoriatic disease, but its clinical assessment is problematic in terms of diagnostic sensitivity and overlap with other comorbid conditions. Ultrasound is a useful tool that can give a more detailed assessment of enthesitis. Research demonstrates that those with persistent ultrasound entheseal disease are at risk of progressive articular damage. With limited data to guide choice between biologic therapy for psoriatic arthritis (PsA) patients, we wanted to assess the response of ultrasound-confirmed enthesitis to different forms of biologic therapies and study its utility in making more informed decisions.MethodsThis was an open label observational study including patients aged ⩾18 years, who fulfil the classification criteria for PSA (CASPAR) and were due to commence on their first biologic therapy. The primary outcome was the change in MAdrid Sonographic Enthesitis Index (MASEI) score at 16 weeks of treatment. The MASEI score was also modified to assess the active elementary lesions (ActiveMASEI).ResultsIn all, 80 PsA patients were enrolled with 75 patients completing the study [secukinumab n = 23 and tumour necrosis factor inhibitor (TNFi) n = 52]. The mean reduction in MASEI score after 16 weeks of treatment was 3.42 with TNFi versus 1.74 with secukinumab (p = 0.097). There was a significant difference in the change in the MASEIActive score for TNFi versus secukinumab (4.37 versus 2.26; p = 0.030) and this difference was more pronounced when only power Doppler signal within 2 mm of the enthesis insertion was included (4.37 versus 2.00; p = 0.007). Clinical outcomes were similar for both classes of biologic apart from a significant reduction in regards to the Dermatology Life Quality Index and Psoriasis Area and Severity Index score with secukinumab versus TNFi.ConclusionsWe have for the first time compared the effect of ultrasound-confirmed enthesitis between different forms of biologic therapies for PsA. We have seen an overall improvement in entheseal scores for both classes of medications and demonstrated a larger reduction in active entheseal disease for TNFi versus secukinumab that merits further exploration.

Dataset Information

Response to secukinumab on synovitis using Power Doppler ultrasound in psoriatic arthritis: 12-week results from a phase III study, ULTIMATE.

Objectives

Methods

Results

Conclusion

Trial registration

Publications

Response to secukinumab on synovitis using Power Doppler ultrasound in psoriatic arthritis: 12-week results from a phase III study, ULTIMATE.

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