Baricitinib: JAK inhibition for rheumatoid arthritis.

• Autores: J. Gras
• Localización: Medicamentos de actualidad = Drugs of today, ISSN 1699-3993, Vol. 52, Nº. 10, 2016, págs. 543-550
• Idioma: inglés
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• Resumen

  • Rheumatoid arthritis (RA), a chronic autoimmune inflammatory disease characterized by inflammation and joint destruction, is associated with pain, progressive disability, systemic comorbidities and early death. Conventional disease-modifying antirheumatic drugs (DMARDs) and biological DMARDs (bDMARDs) have been able to achieve remission or a very low disease activity status for RA. Nevertheless, since many patients do not reach a sufficient response with DMARDs or present with unacceptable side effects, new therapies are needed. Baricitinib (LY-3009104, INCB-028050), a new potent and selective tyrosine-protein kinase JAK1/JAK2 inhibitor, has shown clinical efficacy in patients with RA refractory to aggressive standard-of-care treatment (with both conventional DMARDs and bDMARDs) when administered orally at 4 mg q.d. in pivotal phase III clinical trials. In these studies, radiographic joint damage assessments showed significant improvements with baricitinib, and the drug was well tolerated with no unexpected safety findings. A phase III study aimed at assessing long-term (4 years) safety and efficacy of baricitinib is ongoing. Registration processes are ongoing in Europe, the U.S. and Japan.