Sorafenib - Mechanism of Action in treating Advanced Hepatocellular Carcinoma https://www.genuinedrugs123.com/Blog-137-Sorafenib-Mechanism-of-Action-in-treating-Advanced-Hepatocellular-Carcinoma.aspx Sorafenib tosylate is identifiable through the serial modification of the commercial Raf kinase inhibitor. It works by inhibiting or blocking the pathways that involves the proteins that enable tumour growth. Some of these functions have been proven successful through clinical trials while some functions are still are under consideration for confirmation.