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Lookup NU author(s): Professor Fai NgORCiD
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© 2024 Elsevier LtdBackground: Sjögren's disease is a chronic autoimmune disease with an unmet need for targeted therapies. The aim of the TWINSS study is to evaluate the safety and efficacy of iscalimab, a monoclonal antibody against CD40, in patients with active Sjögren's disease. Methods: This randomised, double-blind, placebo-controlled, phase 2b study, conducted at 71 sites in 23 countries, enrolled patients aged 18 years or older fulfilling the American College of Rheumatology/European Alliance of Associations for Rheumatology (EULAR) 2016 criteria. In the dose-ranging cohort 1, patients with a EULAR Sjögren's Syndrome Disease Activity Index (ESSDAI) score of 5 or higher and a EULAR Sjögren's Syndrome Patient Reported Index (ESSPRI) score of 5 or higher were randomly assigned (1:1:1:1) to subcutaneous iscalimab 150 mg, 300 mg, 600 mg, or placebo. In the proof-of-concept cohort 2, patients with an ESSDAI score of less than 5, ESSPRI (dryness or fatigue) score of 5 or higher, and Impact of Dry Eye on Everyday Life score of 30 or higher were randomly assigned (1:1) to iscalimab 600 mg or placebo. The sponsor, investigator, site personnel, and patients were masked to the treatment assignment. The primary objectives were to demonstrate a dose–response relationship of iscalimab based on the change in ESSDAI from baseline to week 24 in cohort 1 by Multiple Comparison Procedure—Modelling (MCP-Mod), and to assess the effect of iscalimab 600 mg on ESSPRI at week 24 in cohort 2. All the efficacy analyses included all patients who were randomly assigned, and safety analysis included all patients who received at least one dose of study drug. This trial is registered with ClinicalTrials.gov (NCT03905525), and is complete. Findings: Between Oct 1, 2019, and Feb 28, 2022, 460 patients were screened; 173 patients were assigned to cohort 1 (44 to iscalimab 150 mg, 43 to 300 mg, 43 to 600 mg, and 43 to placebo) and 100 to cohort 2 (50 to each group). In cohort 1, the MCP step showed a significant dose–response relationship for placebo-adjusted ESSDAI change from baseline in one of four models (Linlog model, one-sided p=0·0041). ESSDAI decreased from baseline to week 24 with all three doses of iscalimab; 150 mg and 600 mg doses showed statistically significant improvement (placebo-adjusted least squares [LS] mean difference –3·0 [95% CI –4·9 to –1·1]; p=0·0025 for 150 mg and –2·9 [–4·9 to –1·0]; p=0·0037 for 600 mg). In cohort 2, ESSPRI showed a trend towards improvement with iscalimab 600 mg (placebo-adjusted LS mean change from baseline –0·57 points [95% CI –1·30 to 0·15]; p=0·12). Serious adverse events were reported in nine patients in cohort 1 (one [2%] of 43 in the placebo group, one [2%] of 44 in the iscalimab 150 mg group, three [7%] of 42 in the 300 mg group, four [9%] of 44 in the 600 mg group) and four patients in cohort 2 (two [4%] of 50 in each group). No deaths occurred over the 24-week period. Interpretation: The study met the primary objective of demonstrating a significant dose–response relationship with iscalimab in terms of disease activity at week 24. Iscalimab was well tolerated and showed initial clinical benefit over placebo in two distinct populations of patients with Sjögren's disease, to be confirmed in larger trials. Funding: Novartis Pharma.
Author(s): Fisher BA, Mariette X, Papas A, Bootsma H, Ng W-F, van Daele PLA, Finzel S, Noaiseh G, Hermann J, McCoy SS, Akpek E, Bookman A, Sopala M, Montecchi-Palmer M, Luo W-L, Scheurer C, Hueber W, Maid P, Rillo O, Inderjeeth C, Scheinecker C, Marcolino FMD, Dias LH, Scafuto A, Bookman AA, Fortin I, Morin F, Goio EJM, Pezo Ruiz N, Roman Zamoran CP, Gonzalez Abarzua IA, Elgueta SF, Elgueta SF, Forero Illera EG, Marquez Herndez JD, Garcia AE, Pensec VD, Hachulla E, Gottenberg J-E, Le Guern V, Schaefer V, Tony H-P, Thomas Schmalzing M, Tausche-Wunderlich A-K, Tzioufas A, Balog A, Rojkovich B, Varga T, Lidar M, Rosner I, Levy Y, Dagna L, Mosca M, Quartuccio L, Nishiyama S, Kodera M, Kaneko Y, Okada M, Ueki Y, Hwan Park S, van Daele PLA, Duarte Barcelos FA, Crispim Romao VM, Raimundo Vinagre FM, Tavaresda Costa JA, Rednic S, Duca L, Maslyanskiy A, Yakupova S, Bugrova O, Izmozherova N, Zotkin E, Nikolaevna Anoshenkova O, Kvarnstrom M, Tufan A, Fisher B, Yee CS, Parker BJ, Grader Beck T, Grader Beck T, Lawrence Ford T, Carsons S, Thiagarajan S, Zero D, McCoy S, Sandorfi N
Publication type: Article
Publication status: Published
Journal: The Lancet
Year: 2024
Volume: 404
Issue: 10452
Pages: 540-553
Print publication date: 10/08/2024
Online publication date: 31/07/2024
Acceptance date: 02/04/2024
ISSN (print): 0140-6736
ISSN (electronic): 1474-547X
Publisher: Elsevier B.V.
URL: https://doi.org/10.1016/S0140-6736(24)01211-X
DOI: 10.1016/S0140-6736(24)01211-X
PubMed id: 39096929
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