“…The effect of CD44 expression on chemotherapy treatment outcome categorized by the most common chemotherapy drugs used in studies included in this review is reported in Table 5 (5-fluorouracil [ 28 , 31 , 32 , 33 , 35 , 37 , 38 , 41 , 43 , 46 , 47 , 48 , 60 ], cisplatin [ 23 , 29 , 30 , 33 , 34 , 38 , 39 , 46 , 49 , 58 , 61 ] and docetaxel [ 34 , 38 , 46 , 50 , 58 , 61 ]). Other drugs used include adriamycin/doxorubicin [ 30 , 46 , 50 , 56 ], cyclophosphamide [ 35 , 43 , 46 , 50 , 56 ], cetuximab [ 29 , 38 , 49 ], paclitaxel [ 22 , 35 , 59 ], epirubicin [ 39 , 43 ], carboplatin [ 22 , 38 ], and etoposide [ 39 , 45 ].…”