Paclitaxel is a chemotherapy medication used to treat various types of cancer. It belongs to a group of drugs called taxanes and works by stopping cancer cells from dividing and growing.

Carboplatin is a platinum-based chemotherapy drug that helps fight cancer by interfering with DNA repair in cancer cells, which prevents them from multiplying.

Letrozole is a hormone therapy medication that belongs to a class of drugs called aromatase inhibitors. It works by reducing the amount of estrogen produced in the body, which can help slow or stop the growth of certain types of breast and ovarian cancers that need estrogen to grow.

The trial compares two treatment approaches: one combining all three medications (Paclitaxel, Carboplatin, and Letrozole) versus using Letrozole alone in treating ovarian or peritoneal cancer.

Low-grade serous carcinoma of the ovary – A slow-growing type of cancer that develops in the ovaries from the cells that line these organs. This form of cancer typically develops gradually and tends to occur in younger women compared to other ovarian cancers. The cancer cells grow in a pattern that resembles normal ovarian tissue but can spread to nearby areas. It often affects both ovaries and can extend to the peritoneum, which is the lining of the abdominal cavity. This type of cancer has distinct cellular features when viewed under a microscope, showing well-organized cells with minimal irregularities.

Peritoneal carcinoma – A cancer that develops in the peritoneum, the thin layer of tissue that lines the inside of the abdomen and covers most of the abdominal organs. The disease begins when cells in the peritoneum start growing abnormally and form tumors. It shares many similarities with ovarian cancer in terms of how it develops and spreads throughout the abdominal cavity. The cancer can cause fluid buildup in the abdomen and may spread to nearby organs. This condition primarily affects the abdominal area and can develop in multiple locations within the peritoneal lining.