TC or BEP in Treating Patients With Ovarian Malignant Sex Cord-Stromal Tumors

This study is comparing two chemotherapy regimens — TC (paclitaxel and carboplatin) versus BEP (bleomycin, etoposide, and cisplatin) — in women with rare ovarian tumors called malignant sex cord-stromal tumors, to find out which is more effective and has fewer side effects. **You may be eligible if...** - You are a Chinese woman aged 65 or younger - You have a biopsy-confirmed rare ovarian stromal tumor (such as a granulosa cell tumor or Sertoli-Leydig cell tumor) - Your cancer is newly diagnosed at a moderately advanced to advanced stage - You had your initial surgery within the past 8 weeks - Your blood counts and organ function are within acceptable ranges - Your overall health is reasonably good **You may NOT be eligible if...** - You have severe or uncontrolled medical conditions that prevent surgery or chemotherapy - You have had an organ transplant or have immune system diseases - You have serious mental illness or significant brain dysfunction - You have a history of drug or substance abuse - You have another active cancer - You are currently in another clinical trial Talk to your doctor to see if this trial is right for you.