The purpose of this study is to evaluate the safety, tolerability, pharmacokinetic, pharmacodynamic, preliminary anti-tumor activity, and to determine the RP2D of the ALE.P02 monotherapy in adult patients with selected squamous solid tumors. The study duration for patients will be approximately 18 months.
The treatment duration will be approximately 12 months. The visit frequency for dosing will be: Day 1 and Day 8 every 3 weeks or 21 days.