May 2022

A Retrospective Study of the Efficacy of JAK Inhibitors or Abatacept on Rheumatoid Arthritis-Interstitial Lung Disease

Inflammopharmacology. 2022. Epub ahead of print doi: 10.1007/s10787-022-00936-w

This study of the effectiveness of JAKinibs or abatacept in patients with RA-interstitial lung disease (RA-ILD) shows that treatment is related to stability or improvement of RA-ILD in over 80% of patients.

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February 2022

Janus kinase-targeting therapies in rheumatology: a mechanisms-based approach

Nat Rev Rheumatol. 2022 Jan 5:1–13. Epub ahead of print doi: 10.1038/s41584-021-00726-8

The development of targeted small-molecule therapies such as JAK inhibitors, which have varied selective inhibitory profiles, has enabled a paradigm shift in the treatment of diverse disorders, to the extent that they could ultimately enable either complete withdrawal or avoidance of glucocorticoid use in some autoimmune diseases, and could have the potential to regulate any active factor inhibiting the transition to cure.In this review paper, Tanaka, et al. describe the progress in JAK-targetin...

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Effect of JAK inhibitors on high- and low-density lipoprotein in patients with rheumatoid arthritis: a systematic review and network meta-analysis

Clin Rheumatol. 2022. Epub ahead of print doi: 10.1007/s10067-021-06003-z

Systematic review and network meta-analysis highlight that RA patients who receive recommended doses of the five approved JAK inhibitors (tofacitinib, baricitinib, upadacitinib, filgotinib, and peficitinib) are likely to experience an increase in serum low- and high-density lipoprotein (LDL and HDL) levels.JAK inhibitors have been associated with alterations in levels of LDL and HDL cholesterol, which may lead to dyslipidaemia (an important risk factor for cardiovascular disease). However, the e...

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November 2021

A review of JAK-STAT signalling in the pathogenesis of spondyloarthritis and the role of JAK inhibition

Rheumatology (Oxford). 2021. Epub ahead of print. doi: 10.1093/rheumatology/keab740.

JAK inhibitors are likely to become an important part of the overall treatment paradigm for spondyloarthritis (SpA).Although not fully understood, the pathogenesis of SpA is complex and thought to involve both environmental and genetic factors that together elicit a chronic inflammatory response involving the innate and adaptive immune systems. Several different cytokines, TNF, IL-17A, IL-12/23 and IL-23, which are directly/indirectly affected by JAK molecules, are involved in the pathogenesis o...

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October 2021

Efficacy and safety of tofacitinib versus baricitinib in patients with rheumatoid arthritis in real clinical practice: analyses with propensity score-based inverse probability of treatment weighting

Ann Rheum Dis. 2021;80(9):1130-1136

Propensity score-based inverse probability of treatment weighting shows that efficacy may differ between tofacitinib and baricitinib. Miyazaki, et al. compared the efficacy and safety of the two JAK inhibitors in real-world clinical practice, after reduction to a minimum of the selection bias, using propensity score-based inverse probability of treatment weighting, and adjustment for confounding patient characteristics. They found that tofacitinib may be less effective in patients resistant to m...

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Risk of herpes zoster (shingles) in patients with rheumatoid arthritis under biologic, targeted synthetic and conventional synthetic DMARD treatment: data from the German RABBIT register

Ann Rheum Dis. 2021 Jul 28:annrheumdis-2021-220651

A 3.6-fold increased risk of herpes zoster (HZ) is associated with tsDMARDs, and an increased risk is associated with bDMARDs, compared with csDMARDs. It is now well known that patients with RA have an increased risk of developing herpes zoster (HZ), and that incidence rates appear to be increased with TNF and JAK inhibitors. To this end, Redeker, et al. used data from the German RABBIT Registry to compare event and incidence rates of HZ in patients with RA treated with the three different DMAR...

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August 2021

Contribution of a European-Prevalent Variant Near CD83 and an East Asian-Prevalent Variant Near IL17RB to Herpes Zoster Risk in Tofacitinib Treatment: Results of Genome-Wide Association Study Meta-Analyses

Arthritis Rheumatol. 2021;73(7):1155–66

Genetic analysis of tofacitinib-treated subjects with RA or PsO identified multiple loci associated with increased herpes zoster (HZ) risk.It is well known that HZ risk is elevated in subjects with RA compared with the general population, and that treatment with JAK inhibitors may result in increased risks compared with TNFi and other bDMARD treatments. To this end, Bing, et al. used genome-wide association studies to identify genetic factors associated with an increased risk/faster onset of HZ ...

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Real-World Comparative Effectiveness and Safety of Tofacitinib and Baricitinib in Patients With Rheumatoid Arthritis

Arthritis Res Ther. 2021;23(1):197

In a real-world setting, tofacitinib and baricitinib have comparable continuing efficacies and safety profiles in patients with RA.It is important to determine the differences and similarities of JAK inhibitors in a real-world setting so that the optimal agent can be administered. However, until now, no published data of a direct comparison among these agents in RA have been available. With this in mind, Iwamoto, et al. compared the efficacy and safety of tofacitinib with those of baricitinib by...

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Baricitinib and the Risk of Incident Interstitial Lung Disease: A Descriptive Clinical Case Report from Clinical Trials

Rheumatol Ther. 2021 Jun 28. DOI: 10.1007/s40744-021-00332-w

Findings from a descriptive clinical case report from clinical trials show that patients with RA, treated with baricitinib, are at low risk to developing non-infectious interstitial lung disease (ILD) during treatment.Salvarani, et al. used a descriptive, multicentric, retrospective cohort study of eight randomised trials and one long-term extension study to estimate the number of incident ILD cases reported. Their findings showed that the risk of developing non-infectious ILD during baricitinib...

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July 2021

Effect of janus kinase inhibitors and methotrexate combination on malignancy in patients with rheumatoid arthritis: a systematic review and meta-analysis of randomized controlled trials

Auto Immun Highlights. 2021;12(1):8.

The combination of JAK inhibitors with MTX is not associated with an increased risk of malignancy when compared to MTX alone. Although long-term studies are needed to confirm this conclusion from short-term studies. Although it is now known that patients with RA are predisposed to an increased risk of malignancy, especially malignant lymphomas, lung cancers and non-melanoma skin cancer, it remains unclear whether the combination therapy is associated with a higher risk.To this end, Solipuram, et...

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