A Study of Ixekizumab (LY2439821) in Participants With Active Psoriatic Arthritis

Summary

The main purpose of this study is to evaluate how effective and safe the study drug known as ixekizumab is in participants with active psoriatic arthritis.

Timeline

Start

2014-12-31

Primary completion

2016-09-09

Completion

2019-06-26

Outcome

Met primary endpoint

paper higher proportion of patients attained ACR-20 with ixekizumab every 4 weeks (65 [53%] patients; effect size vs placebo 33·8% [95% CI 22·4-45·2]; p<0·0001 PMID 28551073 ↗

Publications

• Kristensen LE, McGonagle D, Rudwaleit M, Kameda H, Wurtzen PA, Ngantcha M, Holzkamper T, Smolen J. Synergistic Improvements in Synovitis, Enthesitis, and Patient-Reported Outcomes for Patients with Psoriatic Arthritis Treated with Ixekizumab in SPIRIT Trials. Rheumatol Ther. 2025 Apr;12(2):381-395. doi: 10.1007/s40744-025-00748-8. Epub 2025 Feb 27.
• Tillett W, Birt J, Vadhariya A, Ross S, Ngantcha M, Ng KJ. Filling the "GAP" in Real-World Assessment of Psoriatic Arthritis Disease Activity: Performance Characteristics of a Global/Pain Composite Endpoint. Rheumatol Ther. 2024 Oct;11(5):1101-1114. doi: 10.1007/s40744-024-00690-1. Epub 2024 Jul 2.
• Armstrong AW, Jaleel T, Merola JF, Gottlieb AB, Khattri S, Helt CC, Malatestinic WN, Ross SE, Ngantcha ME, de Vlam K. Ixekizumab Demonstrates Rapid and Consistent Efficacy for Patients with Psoriatic Arthritis, Regardless of Psoriasis Severity. Dermatol Ther (Heidelb). 2024 Jun;14(6):1615-1631. doi: 10.1007/s13555-024-01188-y. Epub 2024 May 30.
• Kirkham BW, Egeberg A, Behrens F, Pinter A, Merola JF, Holzkamper T, Gallo G, Ng KJ, Bolce R, Schuster C, Nash P, Puig L. A Comprehensive Review of Ixekizumab Efficacy in Nail Psoriasis from Clinical Trials for Moderate-to-Severe Psoriasis and Psoriatic Arthritis. Rheumatol Ther. 2023 Oct;10(5):1127-1146. doi: 10.1007/s40744-023-00553-1. Epub 2023 Jul 3.
• Eder L, Tony HP, Odhav S, Agirregoikoa EG, Korkosz M, Schwartzman S, Sprabery AT, Gellett AM, Park SY, Bertram CC, Ogdie A. Responses to Ixekizumab in Male and Female Patients with Psoriatic Arthritis: Results from Two Randomized, Phase 3 Clinical Trials. Rheumatol Ther. 2022 Jun;9(3):919-933. doi: 10.1007/s40744-022-00445-w. Epub 2022 Apr 9.
• Deodhar AA, Combe B, Accioly AP, Bolce R, Zhu D, Gellett AM, Sprabery AT, Burmester GR. Safety of ixekizumab in patients with psoriatic arthritis: data from four clinical trials with over 2000 patient-years of exposure. Ann Rheum Dis. 2022 Jul;81(7):944-950. doi: 10.1136/annrheumdis-2021-222027. Epub 2022 Apr 7.
• Combe B, Tsai TF, Huffstutter JE, Sprabery AT, Lin CY, Park SY, Kronbergs A, Hufford MM, Nash P. Ixekizumab, with or without concomitant methotrexate, improves signs and symptoms of PsA: week 52 results from Spirit-P1 and Spirit-P2 studies. Arthritis Res Ther. 2021 Jan 27;23(1):41. doi: 10.1186/s13075-020-02388-5.
• Orbai AM, Gratacos J, Turkiewicz A, Hall S, Dokoupilova E, Combe B, Nash P, Gallo G, Bertram CC, Gellett AM, Sprabery AT, Birt J, Macpherson L, Geneus VJ, Constantin A. Efficacy and Safety of Ixekizumab in Patients with Psoriatic Arthritis and Inadequate Response to TNF Inhibitors: 3-Year Follow-Up (SPIRIT-P2). Rheumatol Ther. 2021 Mar;8(1):199-217. doi: 10.1007/s40744-020-00261-0. Epub 2020 Dec 5.
• Schweikert B, Malmberg C, Nunez M, Dilla T, Sapin C, Hartz S. Cost-effectiveness analysis of ixekizumab versus secukinumab in patients with psoriatic arthritis and concomitant moderate-to-severe psoriasis in Spain. BMJ Open. 2020 Aug 13;10(8):e032552. doi: 10.1136/bmjopen-2019-032552.
• Combe B, Rahman P, Kameda H, Canete JD, Gallo G, Agada N, Xu W, Genovese MC. Safety results of ixekizumab with 1822.2 patient-years of exposure: an integrated analysis of 3 clinical trials in adult patients with psoriatic arthritis. Arthritis Res Ther. 2020 Jan 21;22(1):14. doi: 10.1186/s13075-020-2099-0.
• Tillett W, Lin CY, Zbrozek A, Sprabery AT, Birt J. A Threshold of Meaning for Work Disability Improvement in Psoriatic Arthritis Measured by the Work Productivity and Activity Impairment Questionnaire. Rheumatol Ther. 2019 Sep;6(3):379-391. doi: 10.1007/s40744-019-0155-5. Epub 2019 Jun 1.
• Coates LC, Orbai AM, Morita A, Benichou O, Kerr L, Adams DH, Shuler CL, Birt J, Helliwell PS. Achieving minimal disease activity in psoriatic arthritis predicts meaningful improvements in patients' health-related quality of life and productivity. BMC Rheumatol. 2018 Aug 13;2:24. doi: 10.1186/s41927-018-0030-y. eCollection 2018.
• Gladman DD, Orbai AM, Klitz U, Wei JC, Gallo G, Birt J, Rathmann S, Shrom D, Marzo-Ortega H. Ixekizumab and complete resolution of enthesitis and dactylitis: integrated analysis of two phase 3 randomized trials in psoriatic arthritis. Arthritis Res Ther. 2019 Jan 29;21(1):38. doi: 10.1186/s13075-019-1831-0.
• Genovese MC, Combe B, Kremer JM, Tsai TF, Behrens F, Adams DH, Lee C, Kerr L, Nash P. Safety and efficacy of ixekizumab in patients with PsA and previous inadequate response to TNF inhibitors: week 52 results from SPIRIT-P2. Rheumatology (Oxford). 2018 Nov 1;57(11):2001-2011. doi: 10.1093/rheumatology/key182.
• Nash P, Kirkham B, Okada M, Rahman P, Combe B, Burmester GR, Adams DH, Kerr L, Lee C, Shuler CL, Genovese M; SPIRIT-P2 Study Group. Ixekizumab for the treatment of patients with active psoriatic arthritis and an inadequate response to tumour necrosis factor inhibitors: results from the 24-week randomised, double-blind, placebo-controlled period of the SPIRIT-P2 phase 3 trial. Lancet. 2017 Jun 10;389(10086):2317-2327. doi: 10.1016/S0140-6736(17)31429-0. Epub 2017 May 24.

Drugs

Indications