• Peter Schmid, Michael Untch, Diethelm Wallwiener, Valentin Kossé, Grigorij Bondar, Leonid Vassiljev, Valerie Tarutinov, Erika Kienle, Diana Lüftner, Kurt Possinger, and TABLE-study (Takeda Adjuvant Breast cancer study with Leuprorelin Acetate).
• Medizinische Klinik mit Schwerpunkt Onkologie und Hämatologie, Humboldt Universität zu Berlin, Germany.
• Anticancer Res. 2002 Jul 1; 22 (4): 2325-32.

PurposeThe objective of this study was to evaluate the efficacy and tolerability of leuprorelin acetate in adjuvant treatment in comparison to standard chemotherapy with CMF in premenopausal, estrogen-receptor-positive or unknown, node-positive patients with early breast cancer.Patients And MethodsThe patients were randomly assigned to receive either 2 years of hormone ablation with leuprorelin acetate 11.25 mg as a subcutaneous injection every three months or six courses of CMF (cyclophosphamide 500 mg/m2, methotrexate 40 mg/m2, fluorouracil 600 mg/m2, days 1 and 8, q 4 weeks). The primary study end-point was recurrence-free survival (RFS) after 2 years. Secondary end-points included overall survival, adverse events and hormonal suppression.ResultsBetween 1995 and 1999, a total of 589 patients with breast cancer were randomized to treatment with leuprorelin acetate or CMF. The data of 227 patients were available for this first interim analysis. One hundred and ten and 117 patients were assigned to leuprorelin acetate and chemotherapy, respectively. Both treatment arms were well balanced for baseline characteristics. So far, no difference between the groups has emerged with respect to recurrence-free or overall survivaL Suppression of serum estradiol levels and menstruation was less marked in the CMF-group compared to the leuprorelin arm. The most common adverse events were low-grade hot flushes, weight gain and increased sweating in the leuprorelin-treated patients and alopecia, nausea and vomiting in the CMF-group.ConclusionAccording to these preliminary results, ovarian suppression with leuprorelin acetate was as effective as standard chemotherapy for premenopausal women with hormone-sensitive, node-positive early breast cancer.

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