This study investigates an investigational medication for adults with advanced solid tumors that do not respond to standard treatments or for whom no effective treatment exists. Solid tumors are masses of tissue that arise from abnormal cell growth. The study includes two parts: an initial phase to find the highest dose that can be given safely, followed by a phase with more participants to further evaluate the treatment's effects.
Participants will take the investigational medication orally for 28 days as one cycle of treatment. If they benefit from the treatment, they may continue taking it until their disease progresses. The study will not provide payment for participation.
- Who can participate: Adults with advanced solid tumors that do not respond to standard treatments or have no effective therapy options can join. Participants must have adequate organ function and no recent anti-cancer therapy, major surgery, or radiotherapy.
- Study details: Participants will take the investigational medication orally. There is no placebo used in this study. They will not receive any payment for participating in the study.

