Our findings revealed that apatinib significantly suppressed tumor growth in these models, accompanied by a reduction in tumor microvascular density and Ki-67 expression, indicating its potential mechanism of action through inhibiting angiogenesis and tumor cell proliferation. These findings support its potential as a targeted therapy for tongue cancer and highlight the utility of PDX models for preclinical drug evaluation. Further studies with larger cohorts are warranted to validate these results.
Sun et al. (Sun,) studied this question.