Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Lønning, P.E. et al.

Lønning, Bajetta, Murray, Tubiana-Hulin, Eisenberg, Mickiewicz, Celio, Pitt, Mita, Aaronson, Fowst, Arkhipov, di Salle, Polli, Massimini,

Activity of exemestane in metastatic breast cancer after failure of nonsteroidal aromatase inhibitors: a phase II trial.

PURPOSE: To evaluate the antitumor activity and toxicity of a new steroidal aromatase inactivator, exemestane, in postmenopausal women with metastatic breast cancer who had progressive disease (PD) after treatment with a nonsteroidal aromatase inhibitor. PATIENTS AND METHODS: In this phase II trial, eligible patients were treated with exemestane 25 mg daily (n = 241) followed, at the time PD was determined, by exemestane 100 mg daily (n = 58). RESULTS: On the basis of the intent-to-treat analysis by independent review, exemestane 25 mg produced objective responses in 6.6% of patients (95% confidence interval [CI], 3.8% to 10.6%) and overall success (complete response + partial response + no change for 24 weeks or longer) in 24.3% (95% CI, 19.0% to 30.2%). The median durations of objective response and overall success were 58.4 weeks (95% CI, 49.7 to 71.1 weeks) and 37.0 weeks (95% CI, 35.0 to 39.4 weeks), respectively. Increasing the dose of exemestane to 100 mg upon the development of PD produced one partial response (1.7%; 95% CI, 0.0% to 9.2%). Both dosages were well tolerated and were discontinued because of adverse events in only 1.7% of patients. CONCLUSION: Exemestane 25 mg once daily seems to be an attractive alternative to chemotherapy for the treatment of patients with metastatic breast cancer after multiple hormonal therapies have failed.[1]

References

Activity of exemestane in metastatic breast cancer after failure of nonsteroidal aromatase inhibitors: a phase II trial. Lønning, P.E., Bajetta, E., Murray, R., Tubiana-Hulin, M., Eisenberg, P.D., Mickiewicz, E., Celio, L., Pitt, P., Mita, M., Aaronson, N.K., Fowst, C., Arkhipov, A., di Salle, E., Polli, A., Massimini, G. J. Clin. Oncol. (2000) [Pubmed]

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