More intense combination chemotherapy significantly improves the disease-free survival and the data indicate a modest improvement in OS. The addition of anthracyclines (e.g. doxorubicin) or the taxanes [e.g. paclitaxel (Taxol)] to cisplatin increases the response rate. More intensive regimens are associated with the gain in survival. However, grade 3 and 4 myelosuppression and gastrointestinal toxicity are also increased. Future developments are likely to exploit specific molecular characteristics of endometrial cancers, including their hormone dependence, growth factor target overexpression and PTEN loss. While no one drug or regimen offers a clear benefit for women with advanced endometrial cancer, platinum drugs, anthracyclines and paclitaxel seem the most promising agents. Future trials should address the impact of such agents on QoL and symptom control in addition to survival. Chemotherapy and endocrine therapy need to be compared directly in an RCT.
The optimum cytotoxic drug regimen for advanced endometrial adenocarcinoma has still to be defined although our review suggests that it may contain paclitaxel or platinum. These mainly North American and European trial populations represent a highly selected subgroup of the 10, 000 women dying annually from this disease. Future trials should include measures of QOL and symptom control in addition to PFS and overall survival (OS). They should should also consider comparison of of endocrine therapy and cytotoxic chemotherapy in patients with no prior drug therapy. Stratification of patients should take into account other prognostic factors including co-morbidity and prior radiation treatment.
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