SLV-154 Treatment of Metastatic Solid Tumors

This study is testing a new drug called SLV-154 in people with various types of metastatic solid tumors (cancers that have spread to other organs), including head and neck cancer, lung cancer (small cell and non-small cell), breast cancer, cervical cancer, and others. The goal is to find a safe dose and see if the drug works. **You may be eligible if...** - You are 18 or older with a confirmed diagnosis of one of the qualifying cancer types (e.g., head and neck, lung, breast, cervical) - Your cancer has spread (metastatic) and prior treatments have not worked - Your general health is adequate (ECOG 0-2) - You have measurable disease on imaging **You may NOT be eligible if...** - You have active brain metastases not previously treated with radiotherapy - You have another active cancer requiring treatment - You have severe heart, liver, or kidney problems - You are pregnant or breastfeeding - You received recent chemotherapy and have not recovered from its side effects Talk to your doctor to see if this trial is right for you.