February 2021

Baricitinib Inhibits Structural Joint Damage Progression in Patients with Rheumatoid Arthritis – A Comprehensive Review

Arthritis Res Ther 2021;23(1):3.

MRI studies have shown that BARI reduces joint inflammation and damage in patients with moderate-to-severe active RA. This review summarises the effects of BARI on structural joint damage progression and the mechanisms underlying these effects, using MRI data from across the clinical trial program. Early preclinical animal models showed a significant reduction in joint inflammation, ankle width, and bone resorption. Efficacy and safety of BARI have been confirmed in an extensive programme, inclu...

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Filgotinib Versus Placebo or Adalimumab in Patients with Rheumatoid Arthritis and Inadequate Response to Methotrexate: A Phase III Randomised Clinical Trial

Ann Rheum Dis. 2021 Jan 27:annrheumdis-2020-219214

Filgotinib improved RA signs and symptoms, physical function, and inhibited radiographic progression. FIL 200mg plus MTX, but not FIL 100mg plus MTX showed non-inferiority to ADA plus MTX, based on DAS28(CRP) low disease activity. FIL was also well tolerated in RA patients with inadequate response to MTX.This 52-week, phase 3 randomised clinical trial (FINCH 1) evaluated the efficacy and safety of FIL in patients with RA randomised to FIL 200 or 100mg, ADA 40mg, or placebo, all with background M...

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January 2021

Upadacitinib for psoriatic arthritis refractory to biologics: SELECT-PsA 2

Annals of the rheumatic diseases. 2021 Mar 1;80(3):312-20.

In this trial of patients with active PsA who had inadequate response or intolerance to at least one biologic DMARD, upadacitinib 15 mg and 30 mg was more effective than placebo over 24 weeks in improving signs and symptoms of PsA. Despite the availability of bDMARDs in PsA, only a small proportion of patients achieve the recommended target of minimal disease activity; as such, additional treatment options are needed. Upadacitinib is under evaluation for PsA. This paper reports the 24-week data ...

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Points to Consider for the Treatment of Immune-Mediated Inflammatory Diseases With Janus Kinase Inhibitors: A Consensus Statement

2021 Jan;80(1):71-87. doi: 10.1136/annrheumdis-2020-218398. Epub 2020 Nov 6.

JAKi are approved in various immune-mediated inflammatory diseases. With five JAKi now licensed, this paper reviews key points to consider in their use to assist clinicians, patients, and other stakeholders once the decision is made to commence JAKi.The consensus was developed by a Steering Committee and an expanded Task Force using EULAR standard operating procedures. The committee included patients as well as experts in rheumatology, gastroenterology, haematology, dermatology, and infectious d...

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December 2020

Points to consider for the treatment of immune-mediated inflammatory diseases with Janus kinase inhibitors: a systematic literature research

RMD Open 2020;6:e001374 doi:10.1136/rmdopen-2020-001374

Trials of JAKi have been conducted in many therapy areas, including rheumatology, dermatology and gastroenterology. In 2019, a task force was set up to create a consensus to guide clinicians on how to use JAKi in clinical practice. This systematic literature review conducted in 2019 support this consensusIn line with EULAR’s standardised operating procedures for recommendations, a literature search was conducted in EMBASE, Medline and the Cochrane Library databases. To evaluate the efficacy of t...

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October 2020

Preclinical characterisation of itacitinib, a Novel Selective Inhibitor of JAK1, for the Treatment of Inflammatory Diseases

European Journal of Pharmacology. 2020 Oct 15;885:173505. doi: 10.1016/j.ejphar.2020.173505

Itacitinib is an orally active JAK inhibitor and effectively delayed disease onset, reduced symptom severity, and accelerated recovery of inflammatory diseases in mouse models. Covington M et al demonstrated itacitinib’s high selectivity for JAK 1, its inhibition on IL-2 induced T cell proliferation and JAK/STAT signalling, its ability to also inhibit of the JAK/STAT pathway in response to IL-6 stimulation, and its effect on rat adjuvant induced arthritis model. The study used recombinant enzym...

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Efficacy of Baricitinib in Treating Rheumatoid Arthritis: Modulatory Effects on Fibrotic and Inflammatory Biomarkers in a Real-Life Setting

Int Immunopharmacol. 2020 Sep;86:106748.

BARI demonstrated to be a safe immune modulator that reduces the concentrations biomarkers of lung fibrosis and inflammation in RA patients, including a subgroup with interstitial lung involvement. Professor Alessandro and colleagues analysed the effects of baricitinib in a population of RA and RA-ILD patients in a real-life setting, describing any changes in lung function parameters, serum inflammatory biomarkers and fibrotic biomarkers after 6 months of treatment. Fifteen patients were recruit...

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Baricitinib, a drug with potential effect to prevent SARS-COV-2 from entering target cells and control cytokine storm induced by COVID-19

Journal of International Immunopharmacology. 2020 Sep;86:106749. doi: 10.1016/j.intimp.2020.106749.

BARI may potentially interrupt the passage of SARS-CoV-2 into the target cells by binding to AAK1 and GAK, which are regulators of the ACE2 receptor regulator identified for its uptake, and could also treat cytokine storm through suppression JAK1/JAK2. Professor Zhang and et al reviewed BARI, as a potential drug to prevent SARS-COV-2 from entering target cells. They also evaluated BARI’s ability to control COVID-19 induced cytokine storm. As a cell surface protein, ACE2 is involved in receptor-m...

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Tofacitinib and Baricitinib Are Taken up by Different Uptake Mechanisms Determining the Efficacy of Both Drugs in RA

Int. J. Mol. Sci. 2020; 21:6632 DOI: 10.3390/ijms21186632

Amrhein et al examined the different uptake and expulsion mechanisms of BARI and TOF in cellular assays. Different cellular uptake mechanism for BARI and TOF was observed and showed that BARI’s transport was not dependent on organic cation transporters. Results indicated TOF was exported from RASF in a MATE-1 dependent way. TOF might be exported from healthy cells, thereby not inhibiting JAK pathway in these cellsThe interaction of BARI and TOF with OCTs was investigated using quenching experime...

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