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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May 2017

Romatoid Artritli Hastalarda Tofasitinib'in Düşük Hastalık Aktivitesi Sağlandıktan Sonra Kesilmesi: Çok Merkezli, Gözlemsel Çalışma

Rheumatology. Doi 10.1093/rheumatology/kex068

This study showed that in patients who achieved low disease activity (LDA), it is possible to discontinue tofacitinib without flare in approximately one-third of patients. Patients from the tofacitinib Phase 3 programme and long-term extension study were enroled. Discontinuation was based on physician-patient decision making with informed consent. The primary endpoint was the proportion of patients who remained tofacitinib free at post-treatment Week 52. Of 64 patients treated with tofacitinib w...

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October 2015

Romatoid Artrit tanılı hastalarda Tocilizumab ve Abatacept tedavi etkinliğinin eşleştirilmiş eğilim skoru ile karşılaştırılması

Annals of the Rheumatic Diseases. 2015 Aug 5. doi:pii: annrheumdis-2015-207784. 10.1136/annrheumdis-2015-207784. [Epub ahead of print]

This study compared the clinical outcomes at one year after the treatment either abatacept or tocilizumab in routine clinical practice. This study employed propensity score matching and demonstrated that abatacept and tocilizumab had comparable continuing efficacies, and that treatment with the drugs resulted in comparable clinical and functional remission rates. Additionally, abatacept and tocilizumab showed similar effectiveness with or without MTX.While clinical efficacies, including SDAI, w...

February 2014

Romatoid artritte tofacitinibin lenfositler üzerindeki etkileri: Etkinlikle ve enfeksiyöz yan etkilerle olan ilişki

Rheumatology doi:10.1093/rheumatology/ket466

Due to its function as a JAK1/3 inhibitor, tofacitinib has effects on a wide ranging variety of cells. The authors of this paper have previously reported a suppression in cytokine production by CD4+ T lymphocytes caused by tofacitinib, while others have reported reduced chemokine production from fibroblast-like synoviocytes. The effects of tofacitinib on other cells however remain largely unknown. This study focused on tofacitinib’s effects on CD4+ T lymphocyte proliferation and on subsets of ly...

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October 2013

JAK inhibitörü Tofasitinib İnsan Monosit Kökenli Dendritik Hücrelerinin T hücre stimülator kapasitesini azaltır

Ann Rheum Dis 2013. doi: 10.1136/annrheumdis-2013-203756

The role of JAKs is highly important in lymphocyte differentiation, but their function in dendritic cells in unknown. In this study, the authors used tofacitinib, a JAK inhibitor, to assess the function of these kinases in dendritic cell activity. The results show that tofacitinib reduced the expression of CD80/CD86 by suppressing the activation of interferon regulatory factor (IRF)-7 and production of type 1 interferon (IFN), and also decreased T cell stimulatory capability. This suggests a nov...

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