The results indicated that OSCC cells overexpressing GDF15 were sensitive to TPF through a caspase-9-dependent pathway both in vitro and in vivo....When OSCC cells with GDF15 overexpression were treated with the erbB2 phosphorylation inhibitor, CI-1033, cell proliferation and xenograft growth colony formation were significantly blocked (P < .05)....Thus, ErbB2 inhibitors could represent potential targeted drugs or an alternative therapy for OSCC patients with GDF15 overexpression.