Unraveling Ritlecitinib: an in-depth analysis of JAK3 inhibitor for the treatment of alopecia areata.

Autor:	Nunez M; Chemometrics and Molecular Modeling Laboratory, Department of Chemistry and Physics, Kean University, Union, NJ, USA., Kar S; Chemometrics and Molecular Modeling Laboratory, Department of Chemistry and Physics, Kean University, Union, NJ, USA., Rodriguez KA; Chemometrics and Molecular Modeling Laboratory, Department of Chemistry and Physics, Kean University, Union, NJ, USA., Ondieki D; Chemometrics and Molecular Modeling Laboratory, Department of Chemistry and Physics, Kean University, Union, NJ, USA.
Jazyk:	angličtina
Zdroj:	Expert opinion on drug metabolism & toxicology [Expert Opin Drug Metab Toxicol] 2024 Nov-Dec; Vol. 20 (11-12), pp. 1023-1036. Date of Electronic Publication: 2024 Sep 09.
DOI:	10.1080/17425255.2024.2401603
Abstrakt:	Introduction: Alopecia Areata (AA), characterized by non-scarring hair loss due to the dysregulation of the JAK/STAT pathway, has long lacked effective treatment. In 2023, Ritlecitinib, a novel Janus kinase (JAK) 3 and tyrosine kinase family inhibitor, received its first approval from the US FDA to treat AA, followed by approvals in Japan, Europe, China, and the UK. This development aims to address the challenges faced by millions of individuals affected by this condition globally. Areas Covered: This review offers an overview of Ritlecitinib's pharmacological properties, biological targets, and development strategies. It examines its mechanism of action, pharmacokinetics, pharmacodynamics, and clinical trial insights. Additionally, it covers the drug's chemical synthesis, contraindications, drug interactions, and potential adverse effects, with special attention to its use in adolescents, pregnant women, and the elderly. Expert Opinion: Ritlecitinib represents a significant advancement in treating AA, offering a targeted approach with promising efficacy and a favorable safety profile. While long-term safety data and real-world effectiveness studies are needed, its oral administration and efficacy in both adults and adolescents position it as a potentially transformative therapy. Ongoing research should focus on optimizing treatment strategies, identifying predictive biomarkers, and assessing cost-effectiveness to fully realize Ritlecitinib's potential in improving outcomes.
Databáze:	MEDLINE
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