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Tanaka Y, Kavanaugh A, Wicklund J, McInnes IB. Filgotinib, a novel JAK1-preferential inhibitor for the treatment of rheumatoid arthritis: An overview from clinical trials. Mod Rheumatol 2022; 32:1-11. [PMID: 33740386 DOI: 10.1080/14397595.2021.1902617] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 03/09/2021] [Indexed: 12/16/2022]
Abstract
In the treatment of rheumatoid arthritis (RA), Janus kinase inhibitors (jakinibs) represent an emerging class of targeted therapies in addition to biologics. The number of jakinibs has been growing and as of 2020, filgotinib was the latest jakinib to enter the international market for treating RA. Filgotinib has demonstrated preferential inhibition of JAK1-dependent cytokine signaling in in vitro assays. It has been evaluated in the DARWIN (phase 2) and FINCH (phase 3) series of clinical studies for treating patients with moderately-to-severely active RA. Filgotinib received regulatory approval in Japan and Europe in September 2020, while in August 2020 the United States Food and Drug Administration requested additional data from two ongoing clinical studies assessing the potential impact of filgotinib on sperm parameters. This article will review the pharmacological properties, efficacy, and safety of filgotinib as demonstrated in clinical studies. Expert opinion will be provided on jakinibs for RA treatment from the viewpoints of basic research and clinical practice.
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Affiliation(s)
- Yoshiya Tanaka
- The First Department of Internal Medicine, University of Occupational and Environmental Health Japan, Kitakyushu, Japan
| | - Arthur Kavanaugh
- School of Medicine, University of California, San Diego, CA, USA
| | | | - Iain B McInnes
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
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Abstract
Introduction Janus Kinase inhibitors (JAKi) have shown to be highly effective in the treatment of immune-mediated inflammatory diseases. As with all immunomodulatory therapies, careful assessment of any treatment-associated infection risk is essential to inform clinical decision-making. Areas covered We summarize current literature on infection rates among the licensed JAKi using published phase II/III trial results, post-licensing and registry data. Expert opinion licensed JAKi show increased risk of infection across the class compared to placebo, most commonly affecting respiratory and urinary tracts, nasopharynx and skin. This risk is dose-dependent. Risks are similar at licensed JAKi doses to that seen with biologic therapies. The risk is compounded by other risk factors for infection, such as age and steroid co-prescription. Herpes zoster reactivation is more common with JAKi compared to other targeted immune modulation, making screening for varicella exposure and vaccination in appropriate cohorts an advisable strategy. Crucially, these small risk increases must be balanced against the known harms (including infection) of uncontrolled autoimmune disease. JAKi are a safe and potentially transformative treatment when used for appropriately selected patients.
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Affiliation(s)
- Maryam A Adas
- Centre of Rheumatic diseases, School of Immunology & Microbial Sciences, King's College London, London, UK.,Department of Physiology, Faculty of Medicine, University of Jeddah, Jeddah, Saudi Arabia
| | - Edward Alveyn
- Centre of Rheumatic diseases, School of Immunology & Microbial Sciences, King's College London, London, UK
| | - Emma Cook
- Centre of Rheumatic diseases, School of Immunology & Microbial Sciences, King's College London, London, UK
| | - Mrinalini Dey
- Institute of Life Course & Medical Sciences, University of Liverpool, Liverpool, UK.,Department of Rheumatology, Countess of Chester Hospital Nhs Foundation Trust, Chester, UK
| | - James B Galloway
- Centre of Rheumatic diseases, School of Immunology & Microbial Sciences, King's College London, London, UK
| | - Katie Bechman
- Centre of Rheumatic diseases, School of Immunology & Microbial Sciences, King's College London, London, UK
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Tanaka Y, Takeuchi T, Kato D, Kaneko Y, Fukuda M, Izutsu H, Rokuda M. A pooled analysis of serious infections and herpes zoster-related disease in Asian patients with rheumatoid arthritis treated with peficitinib (ASP015K) over a median of 3 years. Mod Rheumatol 2021; 32:708-717. [PMID: 34918131 DOI: 10.1093/mr/roab069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 08/09/2021] [Accepted: 08/18/2021] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To analyse serious infection (SI) and herpes zoster-related disease (HZD) during long-term treatment of rheumatoid arthritis with the oral Janus kinase inhibitor, peficitinib (ASP015K). METHODS This was a post hoc analysis of pooled data from one Phase 2b study and two Phase 3 studies and final data from a long-term extension study of peficitinib in Asian rheumatoid arthritis patients. Two pooled datasets were analysed (Phase 3 studies and Phase 2/3 studies). Univariate and multivariate Cox regression analyses explored relationships between exposure-adjusted incidence rate of SI and HZD, peficitinib dose, and baseline factors. RESULTS Total peficitinib exposure for 1052 patients receiving once-daily peficitinib in the pooled Phase 2/3 Asian studies was 2998.9 patient-years. Exposure-adjusted incidence rates (95% confidence interval) of SI and HZD were 2.7 (2.2, 3.4) and 6.9 (6.0, 8.0) per 100 patient-years, respectively, in pooled Phase 2/3 studies. Advanced age was prognostic for SI and HZD, while baseline prednisolone dose was prognostic for SI. There was no temporal relationship between either adverse event and prolonged peficitinib administration. CONCLUSIONS As expected in this peficitinib-treated population, older patients had increased risk of SI and HZD, and those receiving higher prednisolone doses had increased risk of SI.
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Affiliation(s)
- Yoshiya Tanaka
- The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Japan, Kitakyushu, Japan
| | - Tsutomu Takeuchi
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
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Abstract
Filgotinib (Jyseleca®) is an oral, ATP-competitive, reversible JAK1 preferential inhibitor that is being developed by Galapagos NV and Gilead Sciences for the treatment of inflammatory autoimmune diseases, including inflammatory arthritis and inflammatory bowel disease. The JAK-STAT signalling pathway has been implicated in the pathogenesis of inflammatory and autoimmune diseases, and filgotinib modulates this pathway by preventing the phosphorylation and activation of STATs. In September 2020, filgotinib received its first approvals in the EU and Japan. In the EU, filgotinib is indicated for the treatment of moderate to severe active rheumatoid arthritis (RA) in adults who have responded inadequately to, or who are intolerant to, one or more disease-modifying anti-rheumatic drugs (DMARDs). In Japan, filgotinib is indicated for the treatment of RA in patients who had an inadequate response to conventional therapies (including prevention of structural damage to joints). Clinical studies of filgotinib for the treatment of inflammatory autoimmune diseases are ongoing worldwide. This article summarizes the milestones in the development of filgotinib leading to this first approval.
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Affiliation(s)
- Sohita Dhillon
- Springer Nature, Mairangi Bay, Private Bag 65901, Auckland, 0754, New Zealand
| | - Susan J Keam
- Springer Nature, Mairangi Bay, Private Bag 65901, Auckland, 0754, New Zealand.
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Aletaha D, Westhovens R, Gaujoux-Viala C, Adami G, Matsumoto A, Bird P, Messina OD, Buch MH, Bartok B, Yin Z, Guo Y, Hendrikx T, Burmester GR. Efficacy and safety of filgotinib in methotrexate-naive patients with rheumatoid arthritis with poor prognostic factors: post hoc analysis of FINCH 3. RMD Open 2021; 7:e001621. [PMID: 34385364 PMCID: PMC8362717 DOI: 10.1136/rmdopen-2021-001621] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 07/24/2021] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE This analysis evaluated efficacy and safety of filgotinib, a Janus-associated kinase 1-preferential inhibitor, in methotrexate (MTX)-naive patients with rheumatoid arthritis (RA) with multiple poor prognostic factors (PPFs). METHODS This was a post hoc analysis of the phase III, randomised, double-blind, active-controlled, FINCH 3 study (clinicaltrials.gov NCT02886728). Patients received once-daily oral filgotinib 200 or 100 mg plus once-weekly oral MTX ≤20 mg (FIL200 + MTX and FIL100 + MTX), filgotinib 200 mg monotherapy (FIL200), or oral MTX monotherapy (MTX-mono) for up to 52 weeks. PPFs investigated were seropositivity for rheumatoid factor or anticyclic citrullinated peptide antibodies, high-sensitivity C reactive protein (CRP) ≥4 mg/L, Disease Activity Score in 28 joints with CRP (DAS28(CRP)) >5.1, and presence of erosions. Filgotinib efficacy and safety in patients with all four PPFs at baseline were explored versus MTX-mono within this subgroup and compared informally with the overall population. RESULTS Of 1249 patients in FINCH 3, 510 (40.8%) had all PPFs. Efficacy of FIL200 + MTX among these patients was comparable to the overall population, with higher rates of 20%/50%/70% improvement from baseline by American College of Rheumatology criteria, DAS28(CRP) <2.6, and remission; greater improvement in physical function and pain; and better inhibition of structural damage relative to MTX-mono. FIL100 + MTX and FIL200 were not consistently more efficacious versus MTX-mono. Safety of filgotinib in patients with PPFs was comparable to the overall population; no new safety signals were observed. CONCLUSION FIL200 + MTX efficacy and safety in patients with multiple PPFs were similar to the overall population.
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Affiliation(s)
- Daniel Aletaha
- Division of Rheumatology, Medical University of Vienna, Wien, Austria
| | - René Westhovens
- Department of Development and Regeneration, KU Leuven University Hospitals Leuven, Leuven, Belgium
| | - Cecile Gaujoux-Viala
- Department of Rheumatologie, Centre Hospitalier Universitaire de Nîmes, Nimes, France
- UMR 1302 Institute Desbrest of Epidemiology and Public Health, INSERM, Université de Montpellier, Montpellier, France
| | - Giovanni Adami
- Division of Rheumatology, University of Verona, Verona, Italy
| | - Alan Matsumoto
- Arthritis and Rheumatism Associates PC, Wheaton, Maryland, USA
| | - Paul Bird
- St George and Sutherland Clinical School, University of New South Wales, Sydney, New South Wales, Australia
| | - Osvaldo Daniel Messina
- Department of Rheumatology and Metabolic Bone Diseases, Investigaciones Reumatológicas y Osteológicas srl, Buenos Aires, Argentina
| | - Maya H Buch
- Centre for Musculoskeletal Research, Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, The University of Manchester, Manchester, UK
- NIHR Manchester Biomedical Research Centre, Manchester, UK
| | | | - Zhaoyu Yin
- Gilead Sciences Inc, Foster City, California, USA
| | - Ying Guo
- Gilead Sciences Inc, Foster City, California, USA
| | | | - Gerd R Burmester
- Department of Rheumatology and Clinical Immunology, Charité Universitätsmedizin Berlin, Berlin, Germany
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Abstract
Filgotinib (Jyseleca®), an oral Janus kinase (JAK) inhibitor, is approved as monotherapy or in combination with methotrexate to treat moderate to severe active rheumatoid arthritis (RA) in adults who have an inadequate response or intolerance to one or more disease-modifying antirheumatic drugs (DMARDs). In phase 3 trials, once-daily filgotinib was generally well tolerated and associated with an improvement in RA signs and symptoms as well as physical function in patients with an inadequate response to ongoing methotrexate, an inadequate response to ongoing conventional synthetic DMARDs plus an inadequate response or intolerance to prior biologic DMARDs, or limited or no prior exposure to methotrexate. In addition, filgotinib was noninferior to adalimumab in terms of low disease activity response rate (DAS28-CRP ≤ 3.2) in patients with an inadequate response to methotrexate. Filgotinib also appeared to inhibit the radiographic progression of joint damage and led to low disease activity or disease remission (DAS28-CRP < 2.6). Filgotinib showed sustained efficacy, and the safety profile of filgotinib longer term was similar to that in the phase 2 and 3 trials. Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disease mainly affecting the small joints of the hands and feet. While there is no cure for RA, biologic disease-modifying antirheumatic drugs (DMARDs), which target the inflammatory cytokines (and their receptors) involved in RA, can achieve low disease activity or disease remission. However, these drugs are not always effective or well tolerated and their administration routes (intravenous or subcutaneous) can be a barrier to use. More recently, oral drugs that act on pathways downstream of cytokine receptors have been developed. These drugs, the Janus kinase (JAK) inhibitors, are targeted synthetic DMARDs. Filgotinib (Jyseleca®), a second-generation JAK inhibitor, improves joint swelling, disease activity, pain, and physical functioning and reduces progression of joint damage in adults with moderate to severe active RA and is generally well tolerated. Like other JAK inhibitors, filgotinib is recommended in treatment guidelines as an effective alternative to biologic DMARDs in adults with moderate to severe active RA who have not responded adequately to or who do not tolerate other DMARDs.
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Affiliation(s)
- Esther S Kim
- Springer Nature, Private Bag 65901, Mairangi Bay, Auckland, 0754, New Zealand
| | - Susan J Keam
- Springer Nature, Private Bag 65901, Mairangi Bay, Auckland, 0754, New Zealand.
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Atzeni F, Rodríguez-Carrio J, Popa CD, Nurmohamed MT, Szűcs G, Szekanecz Z. Cardiovascular effects of approved drugs for rheumatoid arthritis. Nat Rev Rheumatol 2021; 17:270-290. [PMID: 33833437 DOI: 10.1038/s41584-021-00593-3] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2021] [Indexed: 02/07/2023]
Abstract
The risk of cardiovascular disease is increased in patients with rheumatoid arthritis compared with the general population owing to the influence of traditional and non-traditional risk factors. Inflammation has a pivotal contribution and can accelerate the atherosclerotic process. Although dampening inflammation with DMARDs should theoretically abrogate this process, evidence suggests that these drugs can also promote atherosclerosis directly and indirectly, hence adding to an increased cardiovascular burden. However, the extent and direction of the effects largely differ across drugs. Understanding how these drugs influence endothelial damage and vascular repair mechanisms is key to understanding these outcomes. NSAIDs and glucocorticoids can increase the cardiovascular risk. Conversely, conventional, biologic and targeted DMARDs control inflammation and reduce this risk, although some of these drugs can also aggravate traditional factors or thrombotic events. Given these data, the fundamental objective for clinicians should be disease control, in an individualized approach that considers the most appropriate drug for each patient, taking into account joint and cardiovascular outcomes. This Review provides a comprehensive analysis of the effects of DMARDs and other approved drugs on cardiovascular involvement in rheumatoid arthritis, from a clinical and mechanistic perspective, with a roadmap to inform the research agenda.
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Affiliation(s)
- Fabiola Atzeni
- Rheumatology Unit, Department of Experimental and Internal Medicine, University of Messina, Messina, Italy.
| | - Javier Rodríguez-Carrio
- Department of Functional Biology, Immunology Area, Faculty of Medicine, University of Oviedo, Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Călin D Popa
- Department of Rheumatology, Sint Maartenskliniek Nijmegen, Nijmegen, The Netherlands
| | - Michael T Nurmohamed
- Deptartment of Rheumatology, Amsterdam University Medical Center & Reade, Amsterdam, The Netherlands
| | - Gabriella Szűcs
- Division of Rheumatology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Zoltán Szekanecz
- Division of Rheumatology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
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Raimondo MG, Biggioggero M, Coletto LA, Ramming A, Caporali R, Favalli EG. Clinical pharmacology of filgotinib in the treatment of rheumatoid arthritis: current insights. Expert Rev Clin Pharmacol 2021; 14:661-670. [PMID: 33847204 DOI: 10.1080/17512433.2021.1913050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Rheumatoid arthritis (RA) is a chronic autoimmune disease, whose natural course has been deeply modified thanks to the development of new therapeutic approaches. The Janus kinase inhibitors (Jakinibs) represent the newest class of drugs introduced for treating RA. Among these, Filgotinib (FIL) has been developed as Janus kinase1 (JAK1) selective inhibitor, specifically targeting key pro-inflammatory mediators in RA pathogenesis. AREAS COVERED This narrative review provides an overview on FIL as new therapeutic approach for RA, with focus on its pharmacological properties, clinical efficacy, and safety profile. The following electronic databases were adopted for the study search: PubMed, Google Scholar, ClinicalTrials.gov and Abstract archive from the American College of Rheumatology and the European Alliance of Associations for Rheumatology. EXPERT OPINION The phase II and phase III randomized controlled trials (RCTs) performed so far and their long-term extensions showed a comparable clinical efficacy of FIL to biologic treatments, with an acceptable safety profile. Thanks to these data, FIL was approved in Europe and Japan for the treatment of active RA, increasing the spectrum of therapeutic approaches and improving the possibility of a more tailored therapeutic strategy. Real-life data and head-to-head clinical trials will be needed to confirm its efficacy and safety.
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Affiliation(s)
- Maria Gabriella Raimondo
- Department of Internal Medicine 3, Friedrich Alexander University Erlangen-Nuremberg and Universitatsklinikum Erlangen, Erlangen, Germany
| | - Martina Biggioggero
- Division of Clinical Rheumatology, ASST Gaetano Pini-CTO Institute, Milan, Italy
| | - Lavinia Agra Coletto
- Department of Clinical Sciences & Community Health, Research Center for Adult and Pediatric Rheumatic Diseases, Università Degli Studi Di Milano, Milano, Italy
| | - Andreas Ramming
- Department of Internal Medicine 3, Friedrich Alexander University Erlangen-Nuremberg and Universitatsklinikum Erlangen, Erlangen, Germany
| | - Roberto Caporali
- Division of Clinical Rheumatology, ASST Gaetano Pini-CTO Institute, Milan, Italy.,Department of Clinical Sciences & Community Health, Research Center for Adult and Pediatric Rheumatic Diseases, Università Degli Studi Di Milano, Milano, Italy
| | - Ennio Giulio Favalli
- Division of Clinical Rheumatology, ASST Gaetano Pini-CTO Institute, Milan, Italy
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Harigai M, Honda S. Selectivity of Janus Kinase Inhibitors in Rheumatoid Arthritis and Other Immune-Mediated Inflammatory Diseases: Is Expectation the Root of All Headache? Drugs 2020; 80:1183-1201. [PMID: 32681420 PMCID: PMC7395017 DOI: 10.1007/s40265-020-01349-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Janus kinase (JAK) is a signal transducer and activator of a protein transcription system that transduces signals from cell surface cytokine and growth factor receptors to the nucleus. Recently developed JAK inhibitors (JAKinibs) inhibit JAKs non-selectively or selectively and down-regulate the effects of corresponding ligands (i.e. cytokines and growth factors). JAKinibs are efficacious against rheumatoid arthritis and other immune-mediated inflammatory diseases and are being increasingly prescribed clinically. Regarding safety, JAKinib use is associated with common or unique changes in laboratory parameters; however, incidence rates of serious adverse drug reactions (ADRs) associated with these changes are low. Opportunistic and other infections, including tuberculosis, are the most critical ADRs of treatment with JAKinibs, and screening and monitoring of patients should be carefully performed. Incidence rates of herpes zoster (HZ) in patients receiving JAKinibs are high in Japan and Korea, and modestly high in other countries. Filgotinib may not be associated with an elevated risk for HZ, but long-term safety data are lacking. Data from clinical development programmes and post-marketing surveillance have indicated no increased risk for malignancy or serious cardiac events; however, long-term observational studies are necessary. Despite the non-elevated risk of gastrointestinal perforations, patients with older age and/or a history of diverticulitis or receiving non-steroidal anti-inflammatory drugs should be carefully evaluated to determine the risk-benefit balance. The incidence rates of venous thromboembolism with all approved doses are similar to that expected in the population, although there are discrepancies in the placebo-controlled portion of the baricitinib clinical development programmes. Regulatory agencies in the USA and Europe suggested a higher risk for thrombotic events in patients receiving JAKinibs. Pharmacokinetic studies demonstrated that dose adjustment should be considered for JAKinib use in patients with moderate-to-severe renal or hepatic dysfunction, depending on the metabolism of each drug. Long-term observational studies enrolling patients with diverse clinical backgrounds are required to strike a risk-benefit balance in clinical settings.
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Affiliation(s)
- Masayoshi Harigai
- Department of Rheumatology, Tokyo Women's Medical University School of Medicine, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, Japan.
| | - Suguru Honda
- Department of Rheumatology, Tokyo Women's Medical University School of Medicine, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, Japan
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