Where is fortantinib/fortantinib produced?

Fostamatinib is an innovative small molecule targeted drug developed and produced by Rigel Pharmaceuticals, Inc., an American pharmaceutical company. Rigel is a company focusing on research in the fields of immune diseases and hematology, and is committed to developing new drugs with unique targets. Fostatinib is the company's first successfully commercialized product and is marketed in the United States under the trade name TAVALISSE for the treatment of chronic immune thrombocytopenia (ITP) in adults.

The birth of this drug representsRigel’s breakthrough in research on the regulation of immune signaling pathways by small molecules. Different from traditional broad-spectrum immunosuppressants, fostatinib precisely acts on the Syk (spleen tyrosine kinase) pathway, blocking abnormal immune responses mediated by B cells and macrophages, reducing platelet destruction, thereby helping to maintain the stability of the blood system. This mechanism makes it one of the few oral targeted drugs approved by the US FDA for the treatment of ITP.

Currently,In addition to manufacturing in the United States, Rigel has also established strategic cooperation with a number of international pharmaceutical companies for global drug distribution and clinical development. For example, sales in Europe are handled by the Swiss pharmaceutical company Grifols, and drug agency and packaging in some Asian markets are carried out by authorized partners. Some generic drug manufacturers, such as pharmaceutical companies in India, Bangladesh and Laos, have also obtained technology licenses or are conducting research and development of generic versions. However, these products have not yet been widely marketed globally. Patients should give priority to versions that have received official regulatory approval.

Rigel implements US FDA and international ICH standards in drug quality management, and conducts strict testing on each batch of drugs, including purity, dissolution and stability analysis. With this strict research and development system, fostatinib is considered to be one of the safer and more reliable drugs in its class.

Reference materials:https://go.drugbank.com/drugs/DB12010