September 2020

Incidence of venous and arterial thromboembolic events reported in the tofacitinib rheumatoid arthritis, psoriasis and psoriatic arthritis development programmes and from real-world data

Annals of the Rheumatic Diseases 05 August 2020 2020 Nov;79(11):1400-1413. doi: 10.1136/annrheumdis-2019-216761. Epub 2020 Aug 5.

Concerns surrounding increased rates of PE and cardiovascular associated deaths has led to black box warnings when prescribing JAK inhibitors. As such, ongoing investigations regarding cardiovascular and VTE event risks in JAK inhibitor therapies, both clinical and real-world, are vital. Mease and colleagues consider data from clinical tofacitinib development programmes, and the ongoing real-data study A3921133. Conclusions from data analysis state that those with pre-existing cardiovascular and...

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Assessment of the association of baseline anti-CarbV and anti-MCV antibodies with response to treatment and radiographic progression in an RA population treated with either methotrexate or baricitinib: post-hoc analyses from RA-BEGIN

Arthritis Res Ther. 2020;22(1):193

Autoantibodies associated with the onset of RA have gained attention in recent years as prognostic biomarkers. Though not used diagnostically, anti-CarbV (carbamylated vimentin) and anti-MCV (vimentin modified by citrullination) baseline titers are being investigated as predictors of treatment response. In this post-hoc analysis of data from the RA-BEGIN cohort of active RA patients, López-Romero and colleagues consider the potential predictive values of baseline anti-CarbV and anti-MCV titers r...

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August 2020

Efficacy and Safety of Long-Term Baricitinib With and Without Methotrexate for the Treatment of Rheumatoid Arthritis: Experience With Baricitinib Monotherapy Continuation or After Switching From Methotrexate Monotherapy or Baricitinib Plus Methotrexate.

Arthritis Care Res (Hoboken) 2020;72(8):1112-1121

This 24-week update from the baricitinib RA-BEYOND LTE study follows patients previously treated in the pivotal study RA-BEGIN. It demonstrates the maintained safety and efficacy of baricitinib monotherapy, and the effects of concurrent MTX treatment on response rates and patient reported outcomes. Previous P3 study RA-BEGIN demonstrated the superior efficacy of 4mg baricitinib compared to MTX monotherapy up to 52 weeks, with no major safety events being identified. At the end of the trial, pati...

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June 2020

Baricitinib In Patients with Rheumatoid Arthritis With Inadequate Response to Methotrexate: Results From A Phase 3 Study

Clin Exp Rheumatol . Jul-Aug 2020;38(4):732-741. Epub 2020 May 20.

This study conducted mainly in Chinese patients with RA, and an inadequate response to MTX, showed that baricitinib 4mg was associated with significant improvements and consistent with the findings from previous clinical trials.The efficacy and safety of baricitinib have been assessed in several clinical trials, predominantly in Caucasian populations. However, evidence on the efficacy and safety of baricitinib in Chinese patients is limited, with only one of the main clinical trial program studi...

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May 2020

Fenebrutinib Versus Placebo or Adalimumab in Rheumatoid Arthritis: A Randomized, Double-Blind, Phase II Trial (ANDES Study)

Arthritis Rheumatol. 2020 Sep; 72(9): 1435–1446.

In this randomised phase II trial with MTX treatment-refractory RA patients, greater efficacy was observed with fenebrutinib 150 mg once daily or 200 mg twice daily compared to placebo, while response rates were numerically similar to those observed with adalimumab. BTK inhibitors have demonstrated clinical efficacy in B cell malignancies and multiple sclerosis, although there is limited clinical evidence of its efficacy in RA. Fenebrutinib (FEN) an orally active and selective non-covalent inhib...

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April 2020

Relative Efficacy and Safety of Tofacitinib, Baricitinib, Upadacitinib, and Filgotinib in Comparison to Adalimumab in Patients with Active Rheumatoid Arthritis

Z Rheumatol. 2020 DOI: 10.1007/s00393-020-00750-1

This Bayesian network meta-analysis, comparing the relative efficacy and safety of JAK inhibitors, determined BARI 4mg + MTX and UPA 15mg + MTX were the most effective. The analysis included 5451 patients with an inadequate response to MTX and active RA, from four RCTs. Relative effects were converted into a probability allowing each treatment to be ranked. BARI and UPA had significantly higher ACR20 response rates than ADA 40mg + MTX whilst TOF 5mg and FIL 200mg had comparable ACR20 response ra...

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February 2020

Filgotinib, a JAK1 Inhibitor, Modulates Disease Related Biomarkers in Rheumatoid Arthritis: Results from Two Randomized, Controlled Phase 2b Trials

Rheumatol Ther. 2020 DOI: 10.1007/s40744-019-00192-5

In this study examining the effect of FIL on a panel of biomarkers, FIL down-modulated several key inflammatory mediators of signalling pathways in RA - independent of MTX background therapy. This confirmed the strong network effects of the JAK1 node in autoimmunity, matrix and cartilage degradation, angiogenesis, and leukocyte adhesion and recruitment. Biomarkers key to RA pathophysiology were measured at baseline, Wk4 and Wk12 in FIL 100 mg, FIL 200 mg or PBO treatment groups from two phase 2b...

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January 2020

Tofacitinib in Combination with Methotrexate in Patients with Rheumatoid Arthritis: Patient-reported Outcomes from the 24-month Phase 3 ORAL Scan study

Clin Exp Rheumatol . Sep-Oct 2020;38(5):848-857. Epub 2019 Dec 19.

In the ORAL SCAN study, patients receiving TOF 5 mg or 10 mg BID reported significant improvements in patient-reported outcomes at month 3 compared with placebo, which were maintained through 24 months of treatment.RA causes a significant health and socioeconomic burden and affects all aspects of health related quality of life. ORAL Scan included patients with active RA and inadequate response to MTX who were randomised to receive TOF 5 mg or 10 mg BID plus MTX or PBO. This study evaluated the i...

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December 2019

Two-Year Safety and Effectiveness of Peficitinib in Moderate-To-Severe Rheumatoid Arthritis: A Phase IIb, Open-Label Extension Study

Rheumatol Ther . 2019 Dec;6(4):503-520. doi: 10.1007/s40744-019-00167-6. Epub 2019 Aug 13.

Peficitinib (PEF) 100 mg QD demonstrated a stable safety profile and sustained effectiveness in patients with moderate-to-severe RA in a two-year extension of two global phase IIb studies. Patients enrolled in the LTE had completed one of two 12-week phase IIb PEF trials, one with MTX and one without. The primary objective of the LTE was to assess treatment-emergent adverse events and clinical laboratory evaluations for 105 weeks. As a secondary objective, an additional 2-years of effectiveness ...

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August 2019

Efficacy and Safety of Peficitinib (ASP015K) in Patients with Rheumatoid Arthritis and an Inadequate Response to Methotrexate: Results of a Phase III Randomised, Double-Blind, Placebo-Controlled Trial (RAJ4) in Japan

Ann Rheum Dis 2019 DOI: 10.1136/annrheumdis-2019-215164

Peficitinib (PEF) 100 and 150 mg demonstrated robust clinical and structural efficacy in patients with RA who have an inadequate response to MTX. In Japan, two JAK inhibitors, TOF and BARI are currently available for RA patients with an inadequate response to conventional therapies. This randomized phase 3 study (RAJ4), assessed the efficacy and safety of two PEF doses in combination with MTX compared to PBO, in Japanese MTX-IR. Patients were randomized 1:1:1 to PBO, PEF 100 mg and 150 mg with M...

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