Single-arm, Open-label Clinical Study of SZ011 in the Treatment of Ovarian Epithelial Carcinoma

This study is testing a new treatment called SZ011 — a type of targeted therapy that attaches to a protein called mesothelin on ovarian cancer cells — in women with ovarian cancer whose disease has returned or not responded to standard first-line treatment. **You may be eligible if...** - You are a woman between 18 and 80 years old - You have been diagnosed with ovarian cancer (epithelial type) confirmed by biopsy - Your cancer has relapsed or failed to respond to first-line chemotherapy - Your cancer cells test positive for the mesothelin protein - You have at least one measurable tumor and are in generally good health (KPS score 80 or higher) **You may NOT be eligible if...** - You have had another cancer in the past 5 years (except certain cured skin or cervical cancers) - You have serious problems with your liver, kidneys, blood cell counts, or heart - You are pregnant or breastfeeding - You have active autoimmune disease or uncontrolled infections Talk to your doctor to see if this trial is right for you.