CARBOPLATIN 450MG INJECTION belongs to a group of anti-cancer medicines used for the treatment of ovarian cancer and small-cell lung cancer. It may sometimes be used to treat other cancers. Cancer forms in tissues of the ovary (one of a pair of female reproductive glands in which the ova, or eggs, are formed). Small-cell lung cancer is a disease in which malignant (cancer) cells form in the tissues of the lung.