Abstract
Background
Janus kinase inhibitors (JAKis) is a new therapeutic class in autoimmune and inflammatory diseases. Four molecules are approved in rheumatoid arthritis (RA) in Europe. Recently, questions have raised about adverse events. In this context, a synthesis of the efficacy data of JAKis in RA is of use.
Method
We performed a literature review based on published articles about efficacy of JAKis in RA, including clinical trials, registries, retrospective and prospective cohorts as well as database analysis.
Results
Based on the phase III clinical trials, JAKis are effective in comparison to placebo, methotrexate and tumour necrosis factor inhibitors. Based on registries, cohorts and post hoc analysis of phase III clinical trials, several parameters might modulate the efficacy of JAKis: the serological status, a short duration of the disease or the presence of poor prognostic factors. Preliminary data suggest that early ultrasonographic evaluation might help to predict the medium-term progression.
Conclusion
Some clinical, biological and imaging parameters seem to influence the response to JAKis and should be evaluated in larger studies. In addition to factors that might influence the efficacy of JAKis, the safety profile and risk factors should be considered before initiating JAKis in a patient.
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Abbreviations
- ACPA:
-
Anti-citrullinated peptide antibodies
- DMARD:
-
Disease modifying anti-rheumatic drugs
- csDMARD:
-
Conventional synthetic DMARD
- bDMARD:
-
Biological DMARD
- HAQ-DI:
-
Health assessment questionnaire-disability index
- JAK:
-
Janus kinase
- JAKis:
-
Janus kinase inhibitors
- mTTS:
-
Modified total sharp score
- MSUS:
-
Musculoskeletal ultrasonography
- MTX:
-
Methotrexate
- NA:
-
Not available
- QALY:
-
Quality-adjusted life-years
- RA:
-
Rheumatoid arthritis
- RF:
-
Rheumatoid factor
- TNFα:
-
Tumor necrosis factor α
- TNFi:
-
TNF inhibitors
- TYK:
-
Tyrosine kinase
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CL and GCA did the selection of the articles and the structure of the article. CL, GCA, JR, and PG participated in the writing of the main text, the tables, and the figures. All authors read and approved the final manuscript.
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P Goupille: research grants, consultation fees, or speaker honoraria: AbbVie, Amgen, Biogen, BMS, Boehringer Ingelheim, Chugai, Galapagos, Janssen, Lilly, MSD, Novartis, Pfizer, Sanofi and UCB. G Carvajal Alegria: research grants, consultation fees, or speaker honoraria: AbbVie, Biogen, BMS, Chugai, Galapagos, Lilly, MSD, Novartis, Pfizer. CL and JR: no competing interest to declare.
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Langbour, C., Rene, J., Goupille, P. et al. Efficacy of Janus kinase inhibitors in rheumatoid arthritis. Inflamm. Res. 72, 1121–1132 (2023). https://doi.org/10.1007/s00011-023-01717-z
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DOI: https://doi.org/10.1007/s00011-023-01717-z