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C-erbB-2 expression...
C-erbB-2 expression does not predict response to docetaxel or sequential methotrexate and 5-fluorouracil in advanced breast cancer
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Sjostrom, J (författare)
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Collan, J (författare)
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von Boguslawski, K (författare)
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Franssila, K (författare)
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Bengtsson, NO (författare)
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Mjaaland, I (författare)
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- Malmström, Per (författare)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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Ostenstad, B (författare)
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Wist, E (författare)
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Valvere, V (författare)
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Bergh, J (författare)
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Skiold-Petterson, D (författare)
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Saksela, E (författare)
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Blomqvist, C (författare)
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(creator_code:org_t)
- 2002
- 2002
- Engelska.
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Ingår i: European Journal of Cancer. - 1879-0852. ; 38:4, s. 535-542
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Breast cancer patients with c-erbB-2-positive tumours seem to benefit from anthracycline-based adjuvant chemotherapy. The predictive value of c-erbB-2 for taxane sensitivity is not yet clear. The purpose of this study was to assess whether c-erbB-2 expression is associated with clinical sensitivity to docetaxel (T) or sequential methotrexate and 5-fluorouracil (MF). A total of 283 patients with metastatic breast cancer were initially enrolled in a randomised multicentre trial comparing docetaxel with sequential MF in advanced breast cancer. Paraffin-embedded blocks of the primary tumour were available for 131 patients (46%). c-erbB-2 status was determined by immunohistochemistry using a polyclonal antibody to the c-erbB-2 protein. C-erbB-2 expression was scored in a semi-quantitative fashion using a 0 to 3+ scale. Staining scores 2+ or greater were considered positive, Response evaluation was performed according to World Health Organization (WHO) recommendations. Overall 54 (42%) patients had c-erbB-2-positive tumours. There was no association between treatment outcome and c-erbB-2 overexpression. The overall response rates (RR) (n = 128) among c-erbB-2 -negative and -positive patients were 35 and 44%, respectively (P=0.359). In the MF arm (n = 62), the RR was somewhat higher in the c-erbB-.2 overexpressors (33% versus 18%, P = 0. 18). In the docetaxel arm the RRs were very similar, regardless of the c-erbB-2 expression (53% versus 53%). While several studies have suggested a prognostic and putative predictive significance of c-erbB-2 overexpression in early breast cancer, the significance of c-erbB-2 expression as a predictive factor for response to various cytotoxic treatments in advanced breast cancer is still controversial. In this study, c-erbB-2 expression could not predict response to either MF or T. Thus, tumours over-expressing c-erbB-2 are not uniformly more sensitive to taxanes and c-erbB-2 expression cannot yet be applied clinically as a predictive factor for response in advanced breast cancer.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Nyckelord
- predictive factor
- docetaxel
- chemotherapy
- breast cancer
- c-erbB-2
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Sjostrom, J
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Collan, J
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von Boguslawski, ...
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Franssila, K
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Bengtsson, NO
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Mjaaland, I
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visa fler...
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Malmström, Per
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Ostenstad, B
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Wist, E
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Valvere, V
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Bergh, J
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Skiold-Petterson ...
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Saksela, E
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Blomqvist, C
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visa färre...
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