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PARIDAENS, Robert J; DIRIX, Luc Y; BEEX, Louk V; NOOIJ, Marianne; CAMERON, David A; CUFER, Tanja; PICCART, Martine J; BOGAERTS, Jan; THERASSE, Patrick
Journal of clinical oncology, 10/2008, Letnik: 26, Številka: 30Journal Article
This phase III randomized open-label clinical trial was designed to evaluate the efficacy and safety of the steroidal aromatase inactivator exemestane versus the antiestrogen tamoxifen as first-line treatment for metastatic breast cancer (MBC) in postmenopausal women. The study was conducted at 81 centers and enrolled postmenopausal patients with measurable hormone-sensitive metastatic or locally advanced breast cancer. Prior adjuvant chemotherapy and/or tamoxifen were allowed. One previous chemotherapy regimen and no prior hormone therapy for advanced disease were permitted. Patients were randomly assigned to receive exemestane 25 mg or tamoxifen 20 mg orally once daily until disease progression or unacceptable toxicity occurred. A total of 371 patients enrolled at 79 sites (182 exemestane, 189 tamoxifen) were included in the analysis. Both treatments were generally well tolerated without major toxicity. Overall response rate was greater for exemestane than for tamoxifen treatment (46% v 31%; odds ratio = 1.85; 95% CI, 1.21 to 2.82; P = .005). Median progression-free survival (PFS) was longer with exemestane (9.9 months; 95% CI, 8.7 to 11.8 months) than with tamoxifen (5.8 months; 95% CI, 5.3 to 8.1 months). However, these early differences (Wilcoxon P = .028) did not translate to a longer-term benefit in PFS, the primary study end point (log-rank P = .121). There was also no difference in survival between both study arms. Exemestane is an effective and well-tolerated first-line hormonal treatment for postmenopausal women with MBC and offers significant early improvement in time to tumor progression when compared with tamoxifen.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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