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  1. Article: Correction: Efficacy and Safety of Filgotinib in Patients with High Risk of Poor Prognosis Who Showed Inadequate Response to MTX: A Post Hoc Analysis of the FINCH 1 Study.

    Combe, Bernard G / Tanaka, Yoshiya / Buch, Maya H / Nash, Peter / Burmester, Gerd R / Kivitz, Alan J / Bartok, Beatrix / Pechonkina, Alena / Xia, Katrina / Emoto, Kahaku / Kano, Shungo / Hendrikx, Thijs K / Landewé, Robert B M / Aletaha, Daniel

    Rheumatology and therapy

    2023  Volume 10, Issue 1, Page(s) 71–72

    Language English
    Publishing date 2023-01-05
    Publishing country England
    Document type Published Erratum
    ZDB-ID 2783278-8
    ISSN 2198-6584 ; 2198-6576
    ISSN (online) 2198-6584
    ISSN 2198-6576
    DOI 10.1007/s40744-022-00530-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Benefit of Filgotinib, a JAK1 Preferential Inhibitor, in Rheumatoid Arthritis Patients with Previous Rapid Radiographic Progression: Post Hoc Analysis of Two Trials.

    Tanaka, Yoshiya / Atsumi, Tatsuya / Aletaha, Daniel / Bartok, Beatrix / Pechonkina, Alena / Han, Ling / Emoto, Kahaku / Kano, Shungo / Rajendran, Vijay / Takeuchi, Tsutomu

    Rheumatology and therapy

    2022  Volume 10, Issue 1, Page(s) 161–185

    Abstract: Introduction: We conducted a post hoc analysis of efficacy and safety of filgotinib stratified by estimated radiographic progression rate before baseline (BL) in patients with rheumatoid arthritis (RA) who had inadequate response to methotrexate (MTX; ... ...

    Abstract Introduction: We conducted a post hoc analysis of efficacy and safety of filgotinib stratified by estimated radiographic progression rate before baseline (BL) in patients with rheumatoid arthritis (RA) who had inadequate response to methotrexate (MTX; FINCH 1; NCT02889796) or were naïve to it (FINCH 3; NCT02886728).
    Methods: Radiographic progression rate was BL-Modified Total Sharp Score (mTSS) divided by RA duration (BL mTSS/year); estimated rapid radiographic progression (e-RRP) was BL change in mTSS/year ≥ 5; and estimated nonrapid radiographic progression (e-NRRP) was BL mTSS/year < 5. Efficacy and safety were compared between subgroups. All p-values are nominal.
    Results: In FINCH 1 and FINCH 3, 558/1755 (31.8%) and 787/1249 (63.0%) patients, respectively, had BL e-RRP. BL characteristics were generally similar between subgroups within each trial. At week (W) 24, in FINCH 1, proportions achieving a Disease Activity Score 28 for rheumatoid arthritis with C-reactive protein  < 2.6 were significantly greater with filgotinib 200 (FIL200) and 100 mg (FIL100) versus placebo among e-RRP and e-NRRP subgroups. In each study, proportions of FIL-treated patients achieving Clinical Disease Activity Index ≤ 2.8 and Simple Disease Activity Index ≤ 3.3 were similar between subgroups. In FINCH 3, disease activity measures were at least numerically improved among patients receiving FIL versus MTX monotherapy. At W24, mTSS changes from BL (CFB) were greater among patients with e-RRP in FINCH 1 and FINCH 3 versus e-NRRP (0.81 versus 0.19, p = 0.001; 0.67 versus 0.25, p = 0.31, respectively). At W52, in FINCH 1, mTSS CFBs were smaller among e-RRP patients treated with FIL200 (0.40; p < 0.001) and FIL100 (0.77; p = 0.024) versus adalimumab (ADA; 1.46). In FINCH 3 at W52, mTSS CFBs were significantly smaller with FIL200 versus MTX among e-RRP patients. Rates of treatment-emergent adverse events (AEs) were comparable between subgroups and across treatment arms.
    Conclusions: Patients with previous e-RRP who received standard care tended to progress radiographically. FIL200 demonstrated persistent, consistent benefit for disease activity control among e-RRP and e-NRRP subgroups, and AE profiles were similar between subgroups. Although filgotinib efficacy was somewhat reduced among patients with e-RRP, filgotinib treatment slowed radiographic progression in both subgroups.
    Trial registration: Clinicaltrials.gov NCT02889796, NCT02886728.
    Language English
    Publishing date 2022-11-03
    Publishing country England
    Document type Journal Article
    ZDB-ID 2783278-8
    ISSN 2198-6584 ; 2198-6576
    ISSN (online) 2198-6584
    ISSN 2198-6576
    DOI 10.1007/s40744-022-00503-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Efficacy and Safety of Filgotinib in Patients with High Risk of Poor Prognosis Who Showed Inadequate Response to MTX: A Post Hoc Analysis of the FINCH 1 Study.

    Combe, Bernard G / Tanaka, Yoshiya / Buch, Maya H / Nash, Peter / Burmester, Gerd R / Kivitz, Alan J / Bartok, Beatrix / Pechonkina, Alena / Xia, Katrina / Emoto, Kahaku / Kano, Shungo / Hendrikx, Thijs K / Landewé, Robert B M / Aletaha, Daniel

    Rheumatology and therapy

    2022  Volume 10, Issue 1, Page(s) 53–70

    Abstract: Introduction: This exploratory analysis of FINCH 1 (NCT02889796) examined filgotinib (FIL) efficacy and safety in a subgroup of patients with rheumatoid arthritis (RA) and inadequate response to methotrexate (MTX; MTX-IR) who had four poor prognostic ... ...

    Abstract Introduction: This exploratory analysis of FINCH 1 (NCT02889796) examined filgotinib (FIL) efficacy and safety in a subgroup of patients with rheumatoid arthritis (RA) and inadequate response to methotrexate (MTX; MTX-IR) who had four poor prognostic factors (PPFs).
    Methods: Patients with MTX-IR received placebo up to week (W)24 or FIL200 mg, FIL100 mg, or adalimumab up to W52; all received MTX. Efficacy and safety data were stratified by four PPFs versus fewer than four PPFs: seropositivity, high-sensitivity C-reactive protein (CRP) ≥ 6 mg/L, Disease Activity Score in 28 joints with CRP > 5.1, and erosions on X-rays.
    Results: At baseline, 687/1755 patients had four PPFs. At W12, whether with four PPFs or fewer than four PPFs, response rates on all American College of Rheumatology (ACR) measures were significantly greater with FIL200 and FIL100 versus placebo. At W52, FIL200 ACR20/50/70 response rates remained at least numerically higher versus adalimumab in both subgroups. At W52, FIL200 reduced modified total Sharp score (mTSS) change versus adalimumab in patients with four or fewer than four PPFs.
    Conclusions: In high-risk (four PPFs) patients with MTX-IR RA, FIL200 and FIL100 showed similar reductions in disease activity versus placebo at W12 as in patients with fewer than four PPFs. mTSS in patients receiving FIL200 changed little from W24 to W52, while that in patients receiving FIL100 progressed comparably to patients who received adalimumab. Tolerability was comparable across treatment arms and subgroups.
    Language English
    Publishing date 2022-10-09
    Publishing country England
    Document type Journal Article
    ZDB-ID 2783278-8
    ISSN 2198-6584 ; 2198-6576
    ISSN (online) 2198-6584
    ISSN 2198-6576
    DOI 10.1007/s40744-022-00498-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Exposure-response relationships for the efficacy and safety of filgotinib and its metabolite GS-829845 in subjects with rheumatoid arthritis based on phase 2 and phase 3 studies.

    Meng, Amy / Anderson, Kacey / Nelson, Cara / Ni, Liyun / Chuang, Shu-Min / Bellanti, Francesco / Chang, Peter / Comisar, Craig / Kearney, Brian P / Bartok, Beatrix / Mathias, Anita

    British journal of clinical pharmacology

    2022  Volume 88, Issue 7, Page(s) 3211–3221

    Abstract: Aims: Filgotinib is a potent, oral, JAK1-preferential inhibitor for the treatment of rheumatoid arthritis (RA). This report describes exposure-response (ER) analyses of filgotinib for dose confirmation based on three phase 3 and two phase 2 studies in ... ...

    Abstract Aims: Filgotinib is a potent, oral, JAK1-preferential inhibitor for the treatment of rheumatoid arthritis (RA). This report describes exposure-response (ER) analyses of filgotinib for dose confirmation based on three phase 3 and two phase 2 studies in moderate to severe RA patients.
    Methods: The pharmacokinetic exposures used in ER analyses were derived from population pharmacokinetic analysis. The exposure-efficacy relationships were assessed for efficacy endpoints (ACR20/50/70 and DAS28) over effective area under curve (AUC
    Results: The nonlinear logistic regression showed increasing response with increasing exposure, with exposures at 200 mg dose primarily residing on the curve plateau. Also, AUC
    Conclusions: ER analyses confirmed that filgotinib produced more robust therapeutic effects across the exposure range observed at 200 mg once daily compared to lower doses, and collectively with the lack of exposure-safety relationship, the 200 mg once daily dose was supported for commercialization.
    MeSH term(s) Antirheumatic Agents/adverse effects ; Arthritis, Rheumatoid/drug therapy ; Clinical Trials, Phase II as Topic ; Clinical Trials, Phase III as Topic ; Humans ; Janus Kinase Inhibitors/adverse effects ; Pyridines/adverse effects ; Treatment Outcome ; Triazoles/adverse effects
    Chemical Substances Antirheumatic Agents ; GLPG0634 ; Janus Kinase Inhibitors ; Pyridines ; Triazoles
    Language English
    Publishing date 2022-02-14
    Publishing country England
    Document type Clinical Trial, Phase II ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 188974-6
    ISSN 1365-2125 ; 0306-5251 ; 0264-3774
    ISSN (online) 1365-2125
    ISSN 0306-5251 ; 0264-3774
    DOI 10.1111/bcp.15239
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Efficacy and safety of filgotinib in methotrexate-naive patients with rheumatoid arthritis with poor prognostic factors

    René Westhovens / Thijs Hendrikx / Beatrix Bartok / Cécile Gaujoux-Viala / Giovanni Adami / Zhaoyu Yin / Ying Guo / Osvaldo Daniel Messina / Alan Matsumoto

    RMD Open, Vol 7, Iss

    post hoc analysis of FINCH 3

    2021  Volume 2

    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 ... ...

    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.
    Keywords Medicine ; R
    Subject code 610
    Language English
    Publishing date 2021-07-01T00:00:00Z
    Publisher BMJ Publishing Group
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Development of anti-CD20 therapy for multiple sclerosis.

    Bartok, Beatrix / Silverman, Gregg J

    Experimental cell research

    2011  Volume 317, Issue 9, Page(s) 1312–1318

    Abstract: The therapeutic utility of the targeting of B lymphocytes is currently being evaluated in a range of autoimmune diseases that include multiple sclerosis (MS). For MS, even though intrathecal immunoglobulin production is a hallmark of multiple sclerosis ( ... ...

    Abstract The therapeutic utility of the targeting of B lymphocytes is currently being evaluated in a range of autoimmune diseases that include multiple sclerosis (MS). For MS, even though intrathecal immunoglobulin production is a hallmark of multiple sclerosis (MS), T cells have long been considered as the main effectors of pathogenesis. Recognition of the roles of autoreactive B cells has changed this conventional view of the disease and also provided a rationale for studies of anti-CD20 therapy in MS. Recent trials suggest that this approach may provide clinical benefits in some MS patients that equal or surpass currently approved approaches, yet not all patients may benefit. In this review we provide an overview on recent progress on these trials.
    MeSH term(s) Animals ; Antibodies/immunology ; Antibodies/therapeutic use ; Antibodies, Monoclonal, Murine-Derived/immunology ; Antibodies, Monoclonal, Murine-Derived/therapeutic use ; Antigens, CD20/immunology ; B-Lymphocytes/immunology ; Clinical Trials as Topic ; Humans ; Multiple Sclerosis/drug therapy ; Multiple Sclerosis/immunology ; Rituximab
    Chemical Substances Antibodies ; Antibodies, Monoclonal, Murine-Derived ; Antigens, CD20 ; Rituximab (4F4X42SYQ6)
    Language English
    Publishing date 2011-04-12
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 1493-x
    ISSN 1090-2422 ; 0014-4827
    ISSN (online) 1090-2422
    ISSN 0014-4827
    DOI 10.1016/j.yexcr.2011.04.002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Integrated Safety Analysis of Filgotinib Treatment for Rheumatoid Arthritis in Patients from Japan Over a Median of 1.5 Years.

    Ishiguro, Naoki / Tanaka, Yoshiya / Matsubara, Tsukasa / Atsumi, Tatsuya / Amano, Koichi / Sugiyama, Eiji / Yamaoka, Kunihiro / Winthrop, Kevin / Kivitz, Alan / Burmester, Gerd R / Gottenberg, Jacques-Eric / Genovese, Mark C / Matzkies, Franziska / Guo, Ying / Jiang, Deyuan / Bartok, Beatrix / Pechonkina, Alena / Kondo, Akira / Besuyen, Robin /
    Takeuchi, Tsutomu

    Modern rheumatology

    2022  

    Abstract: Objective: Characterize safety of the Janus kinase-1 preferential inhibitor filgotinib in Japanese patients with moderately to severely active rheumatoid arthritis.: Methods: Data from three Phase 3 trials (NCT02889796, NCT02873936, NCT02886728) and ... ...

    Abstract Objective: Characterize safety of the Janus kinase-1 preferential inhibitor filgotinib in Japanese patients with moderately to severely active rheumatoid arthritis.
    Methods: Data from three Phase 3 trials (NCT02889796, NCT02873936, NCT02886728) and a long-term extension (NCT03025308) through September 2019 were integrated; patients received ≥1 dose of filgotinib 200 (FIL200) or 100 mg (FIL100) daily, or placebo (PBO). We calculated exposure-adjusted incidence rates (EAIRs) per 100 patient-years filgotinib exposure (100PYE) for treatment-emergent adverse events (TEAEs) and adverse events of special interest.
    Results: Among 3691 total patients and 6080.7 PYE, 229 Japanese patients received filgotinib for 311.4 PYE (median 1.5, maximum 2.5 years). During the 12-week PBO-controlled period, serious TEAEs and TEAEs leading to study drug disruption were comparable between filgotinib and PBO. Serious infection rates were 1.9%, 0%, and 2% for FIL200, FIL100, and PBO during the PBO-controlled period; long-term FIL200 and FIL100 EAIRs were 3.8 and 2.1/100PYE. No herpes zoster or major adverse cardiovascular events (MACE) occurred during the PBO-controlled period; long-term FIL200 and FIL100 EAIRs were 3.0 and 2.1/100PYE (herpes zoster) and 0.6 and 0/100PYE (MACE).
    Conclusion: Long-term filgotinib treatment (median 1.5, maximum 2.5 years exposure) was well tolerated at 100- and 200-mg doses in Japanese patients with rheumatoid arthritis.
    Language English
    Publishing date 2022-04-02
    Publishing country England
    Document type Journal Article
    ZDB-ID 2078157-X
    ISSN 1439-7609 ; 1439-7595
    ISSN (online) 1439-7609
    ISSN 1439-7595
    DOI 10.1093/mr/roac020
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  8. Article ; Online: Long-term safety and efficacy of filgotinib treatment for rheumatoid arthritis in Japanese patients naïve to MTX treatment (FINCH 3).

    Atsumi, Tatsuya / Tanaka, Yoshiya / Matsubara, Tsukasa / Amano, Koichi / Ishiguro, Naoki / Sugiyama, Eiji / Yamaoka, Kunihiro / Westhovens, René / Ching, Daniel W T / Messina, Osvaldo Daniel / Burmester, Gerd R / Genovese, Mark / Bartok, Beatrix / Pechonkina, Alena / Kondo, Akira / Yin, Zhaoyu / Gong, Qi / Tasset, Chantal / Takeuchi, Tsutomu

    Modern rheumatology

    2022  Volume 33, Issue 4, Page(s) 657–667

    Abstract: Objectives: To evaluate the long-term safety and efficacy of filgotinib (FIL) for Japanese patients with rheumatoid arthritis (RA) and limited/no prior methotrexate (MTX) exposure. We present a Japanese population subanalysis of a global randomised- ... ...

    Abstract Objectives: To evaluate the long-term safety and efficacy of filgotinib (FIL) for Japanese patients with rheumatoid arthritis (RA) and limited/no prior methotrexate (MTX) exposure. We present a Japanese population subanalysis of a global randomised-controlled trial at Week 52 and interim long-term extension (LTE) to Week 48 through June 2020.
    Methods: Patients were randomised to FIL 200 mg plus MTX, FIL 100 mg plus MTX, FIL 200 mg, or MTX for 52 weeks. At completion, eligible patients could enrol in the LTE. Those receiving FIL continued; those receiving MTX were rerandomised (blinded) to FIL 200 or 100 mg upon discontinuation of MTX. After a 4-week washout period, MTX could be re-added.
    Results: Adverse event rates at Week 52 and in the LTE to Week 48 were comparable across treatment groups. Week 52 American College of Rheumatology 20% improvement (ACR20) rates were 83% (19/23), 82% (9/11), 75% (9/12), and 76% (19/25) for FIL 200 mg plus MTX, FIL 100 mg plus MTX, FIL 200 mg, and MTX, respectively. Through LTE Week 48, ACR20 rates were maintained.
    Conclusions: In the 56 Japanese patients treated with FIL, efficacy was maintained through Week 52 and beyond, with no increases in the incidence of adverse events.
    MeSH term(s) Animals ; Humans ; Antirheumatic Agents/adverse effects ; Antirheumatic Agents/therapeutic use ; Arthritis, Rheumatoid/drug therapy ; Double-Blind Method ; Drug Therapy, Combination ; East Asian People ; Methotrexate/adverse effects ; Treatment Outcome
    Chemical Substances Antirheumatic Agents ; GLPG0634 ; Methotrexate (YL5FZ2Y5U1)
    Language English
    Publishing date 2022-07-28
    Publishing country England
    Document type Randomized Controlled Trial ; Journal Article
    ZDB-ID 2078157-X
    ISSN 1439-7609 ; 1439-7595
    ISSN (online) 1439-7609
    ISSN 1439-7595
    DOI 10.1093/mr/roac083
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Efficacy and safety of filgotinib in methotrexate-naive patients with rheumatoid arthritis with poor prognostic factors: post hoc analysis of FINCH 3.

    Aletaha, Daniel / Westhovens, René / Gaujoux-Viala, Cecile / Adami, Giovanni / Matsumoto, Alan / Bird, Paul / Messina, Osvaldo Daniel / Buch, Maya H / Bartok, Beatrix / Yin, Zhaoyu / Guo, Ying / Hendrikx, Thijs / Burmester, Gerd R

    RMD open

    2021  Volume 7, Issue 2

    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 ...

    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.
    MeSH term(s) Antirheumatic Agents/adverse effects ; Arthritis, Rheumatoid/drug therapy ; Drug Therapy, Combination ; Humans ; Methotrexate/adverse effects ; Prognosis ; Pyridines ; Treatment Outcome ; Triazoles
    Chemical Substances Antirheumatic Agents ; GLPG0634 ; Pyridines ; Triazoles ; Methotrexate (YL5FZ2Y5U1)
    Language English
    Publishing date 2021-08-12
    Publishing country England
    Document type Clinical Trial, Phase III ; Journal Article ; Randomized Controlled Trial ; Research Support, Non-U.S. Gov't
    ZDB-ID 2812592-7
    ISSN 2056-5933 ; 2056-5933
    ISSN (online) 2056-5933
    ISSN 2056-5933
    DOI 10.1136/rmdopen-2021-001621
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Fibroblast-like synoviocytes: key effector cells in rheumatoid arthritis.

    Bartok, Beatrix / Firestein, Gary S

    Immunological reviews

    2010  Volume 233, Issue 1, Page(s) 233–255

    Abstract: Rheumatoid arthritis (RA) remains a significant unmet medical need despite significant therapeutic advances. The pathogenesis of RA is complex and includes many cell types, including T cells, B cells, and macrophages. Fibroblast-like synoviocytes (FLS) ... ...

    Abstract Rheumatoid arthritis (RA) remains a significant unmet medical need despite significant therapeutic advances. The pathogenesis of RA is complex and includes many cell types, including T cells, B cells, and macrophages. Fibroblast-like synoviocytes (FLS) in the synovial intimal lining also play a key role by producing cytokines that perpetuate inflammation and proteases that contribute to cartilage destruction. Rheumatoid FLS develop a unique aggressive phenotype that increases invasiveness into the extracellular matrix and further exacerbates joint damage. Recent advances in understanding the biology of FLS, including their regulation regulate innate immune responses and activation of intracellular signaling mechanisms that control their behavior, provide novel insights into disease mechanisms. New agents that target FLS could potentially complement the current therapies without major deleterious effect on adaptive immune responses.
    MeSH term(s) Adaptive Immunity ; Animals ; Apoptosis ; Arthritis, Rheumatoid/immunology ; Arthritis, Rheumatoid/pathology ; Arthritis, Rheumatoid/therapy ; Cartilage, Articular/immunology ; Cartilage, Articular/pathology ; Cytokines/immunology ; Fibroblasts/immunology ; Fibroblasts/pathology ; Humans ; Hyperplasia ; Immunity, Innate ; Inflammation Mediators/immunology ; Phenotype ; Signal Transduction/immunology ; Synovial Membrane/immunology ; Synovial Membrane/pathology
    Chemical Substances Cytokines ; Inflammation Mediators
    Language English
    Publishing date 2010-02-25
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 391796-4
    ISSN 1600-065X ; 0105-2896
    ISSN (online) 1600-065X
    ISSN 0105-2896
    DOI 10.1111/j.0105-2896.2009.00859.x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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