Response to netakimab in radiographic axial spondyloarthritis patients with different baseline C-reactive protein, sacroiliitis evaluated by MRI and peripheral joint involvement status: a post-hoc analysis of the ASTERA study

Netakimab is a humanised camelid-derived monoclonal antibody targeting interleukin-17A. Here, we report the results of post-hoc analysis of the ASTERA phase 3 study (NCT03447704, February 27, 2018) in patients with active radiographic axial spondyloarthritis (r-axSpA) grouped by baseline C-reactive...

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Vydáno v:Clinical and experimental rheumatology Ročník 41; číslo 3; s. 718
Hlavní autoři: Mazurov, Vadim I, Dubinina, Tatiana V, Erdes, Shandor, Lapshina, Svetlana A, Soroka, Nikolay F, Kunder, Elena V, Smirnov, Alexandr V, Eremeeva, Anna V, Zinkina-Orikhan, Arina V, Morozova, Maria A, Gaydukova, Inna Z
Médium: Journal Article
Jazyk:angličtina
Vydáno: Italy 01.03.2023
Témata:
Axial Spondyloarthritis
C-Reactive Protein
Humans
Inflammation - pathology
Magnetic Resonance Imaging - methods
Sacroiliac Joint - diagnostic imaging
Sacroiliac Joint - pathology
Sacroiliitis - diagnostic imaging
Sacroiliitis - drug therapy
Sacroiliitis - pathology
Spondylarthritis - diagnostic imaging
Spondylarthritis - drug therapy
Spondylarthritis - pathology
ISSN:0392-856X
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Shrnutí:Netakimab is a humanised camelid-derived monoclonal antibody targeting interleukin-17A. Here, we report the results of post-hoc analysis of the ASTERA phase 3 study (NCT03447704, February 27, 2018) in patients with active radiographic axial spondyloarthritis (r-axSpA) grouped by baseline C-reactive protein (CRP), baseline sacroiliac joint (SIJ) inflammation through magnetic resonance imaging (MRI) or presence of peripheral arthritis (PA). In this double-blinded, multicentre, randomised, placebo-controlled, phase 3 ASTERA study, 228 adult patients with active r-axSpA received 120 mg of subcutaneous netakimab or placebo at weeks 0, 1, 2, and thereafter every other week. For the subanalysis, 16-week data of 114 netakimab-treated patients with the available baseline CRP and SIJ MRI were grouped by normal (<5 mg/L) or abnormal (≥5 mg/L) CRP, by the grade of sacroiliitis (SI) based on the SPARCC MRI score <2 (MRI-SI-) or ≥2 (MRI-SI+), or by the presence of PA. ASAS-recommended activity, spinal mobility, and function endpoints for r-axSpA were analysed. At week 16, an improvement in all the outcomes was similar for MRI-SI- and MRI-SI+ patients, except for a change in ASspi-MRI-a which was significantly greater in MRI-SI+. Netakimab was effective regardless of baseline CRP and PA. For patients with CRP ≥5 mg/L, a more pronounced decline in r-axSpA activity was observed with a trend towards the most prominent improvement in ASDAS-CRP and BASDAI for patients with CRP >20 mg/L. Subcutaneous netakimab is effective in patients with r-axSpA irrespective of baseline CRP and inflammation on SIJ MRI. The benefit in patients with high CRP (>20 mg/L) was more pronounced.
Bibliografie:ObjectType-Article-2
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ISSN:0392-856X
DOI:10.55563/clinexprheumatol/ljpqqe