To the best of our knowledge, this is the first clinical trial evaluating the efficacy of fucoidan. In our study, the patients in the study group received 4 g of LMF BID powder for six months. The results reveal that the DCR was significantly higher, with an increase of 23.6% for the study group when compared to the control group. Moreover, the ORR tended to be insignificantly higher in the study group when compared to the control group. A trend of improved OS and PFS was also noted in our an...