Dose-dense sequential chemotherapy with epirubicin and paclitaxel versus the combination, as first-line chemotherapy, in advanced breast cancer: A randomized study conducted by the hellenic cooperative oncology group
Ημερομηνία
2001Συγγραφέας
Fountzilas, GeorgePapadimitriou, C.
Dafni, U.
Bafaloukos, Dimitrios
Skarlos, Dimosthenis V.
Moulopoulos, L. A.
Razi, E. D.
![ORCID logo](https://orcid.org/sites/default/files/images/orcid_16x16.png)
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Briassoulis, E. Ch
Papakostas, P.
Abela, K.
Gogas, H.
Kosmidis, Paraskevas A.
![ORCID logo](https://orcid.org/sites/default/files/images/orcid_16x16.png)
Dimopoulos, M. A.
Source
Journal of Clinical OncologyVolume
19Issue
8Pages
2232-2239Google Scholar check
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Metadata
Εμφάνιση πλήρους εγγραφήςΕπιτομή
Purpose: To compare the efficacy of two different schedules of epirubicin and paclitaxel, as first-line chemotherapy, in patients with advanced breast cancer (ABC). Patients and Methods: From October 1997 until May 1999, 183 eligible patients with ABC entered the study. Chemotherapy in group A (93 patients) consisted of four cycles of epirubicin at a dose of 110 mg/m2 followed by four cycles of paclitaxel at a dose of 225 mg/m2 in a 3-hour infusion. All cycles were repeated every 2 weeks with granulocyte colony-stimulating factor support. The therapeutic regimen in group B (90 patients) consisted of epirubicin (80 mg/m2) immediately followed by paclitaxel (175 mg/m2 in a 3-hour infusion) every 3 weeks for six cycles. Results: In total, 79 patients (85%) in group A and 72 patients (80%) in group B completed treatment. The median relative dose-intensity of epirubicin was 0.96 in both groups, and that of paclitaxel was 0.96 and 0.97 in groups A and B, respectively. The complete response rate was higher in group A (21.5% v 9% P = .02). Nevertheless, there was no significant difference in the overall response rate between the two groups (55% v 42%, P = .10). Severe neutropenia was more frequently observed with concurrent treatment. After a median follow-up of 16.5 months, median time to progression was 10 months in group A and 8.5 months in group B (P = .27), and median survival was 21.5 and 20 months, respectively (P = .17). Conclusion: The present study failed to demonstrate a significant difference in overall response rate between dose-dense sequential administration of epirubicin and paclitaxel compared with the combination of the two drugs given on the same day, even though the sequential treatment resulted in a significantly higher complete response rate. © 2001 by American Society of Clinical Oncology.
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