TT-10 (PORT-6) and TT-4 (PORT-7) as Single Agents and in Combination in Subjects With Advanced Selected Solid Tumors

This study is testing two new experimental cancer drugs — TT-10 and TT-4 — alone and in combination, in people with certain advanced solid tumours including kidney cancer, prostate cancer, bladder cancer, and others. **You may be eligible if...** - You are 18 years or older - You have a confirmed advanced solid tumour that fits one of the specific groups: kidney cancer (renal cell carcinoma), castration-resistant prostate cancer, bladder cancer, or another selected solid tumour depending on the study cohort - You have received prior standard treatments and they are no longer working - You can provide written consent and comply with study visits **You may NOT be eligible if...** - You have not received prior standard therapies for your cancer type - Your tumour type is not included in the eligible diagnoses for this study - Your general health is too poor - You have serious uncontrolled medical conditions Talk to your doctor to see if this trial is right for you.