Posted on October 18th, 2010 by
Consistent with what has been reported in the United States, use of the Oncotype DX® breast cancer test influenced treatment decisions for early-stage breast cancer patients in Spain. These results were presented at the 35th European Society for Medical Oncology (ESMO) Congress.
The Oncotype DX breast cancer test measures the expression of 21 genes in a sample of a breast tumor. The test generates a Recurrence Score® that provides information about the likelihood of cancer recurrence and the likelihood of chemotherapy benefit in women with early-stage breast cancer.
Studies of U.S. physicians and patients have indicated that use of the Oncotype DX breast cancer test can influence breast cancer treatment decisions. Test results may, for example, change the treatment recommendation from chemotherapy plus hormonal therapy to hormonal therapy alone (or vice versa).
To explore use of the test outside of the U.S., researchers conducted a study among 107 breast cancer cases diagnosed and treated in Spain. Information about adjuvant treatment plan was collected before and after obtaining the Oncotype DX Recurrence Score.
Similar to what has been reported in the United States, these results from Spain indicate that the Oncotype DX breast cancer test influenced adjuvant therapy decisions for women with early breast cancer.
 Albanell J, Colomer R, Ruiz-Borrego M et al. Prospective transGEICAM study of Oncotype DX® in clinical decision making in estrogen receptor-positive node-negative breast cancer women. Presented at the 35th European Society for Medical Oncology (ESMO) Congress, Milan, Italy, October 8-12, 2010. Abstract 222PD.
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