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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Rosell, Johan Nordenskjöld, Bo Bengtsson, Nils-Olof Fornander, Tommy Hatschek, Thomas Lindman, Henrik Malmström, Per-Olof Wallgren, Arne Stål, Olle Carstensen, John |
| Description | Country affiliation: Sweden Author Affiliation: Rosell J ( a Regional Cancer Center South East Sweden , Linköping , Sweden.); Nordenskjöld B ( b Oncology, Department of Clinical and Experimental Medicine, Faculty of Health Sciences , Linköping University , Linköping , Sweden.); Bengtsson NO ( b Oncology, Department of Clinical and Experimental Medicine, Faculty of Health Sciences , Linköping University , Linköping , Sweden.); Fornander T ( c Department of Oncology , Umeå University Hospital , Umeå , Sweden.); Hatschek T ( d Department of Oncology , Karolinska University Hospital , Stockholm , Sweden.); Lindman H ( d Department of Oncology , Karolinska University Hospital , Stockholm , Sweden.); Malmström PO ( e Department of Oncology , Uppsala University Hospital , Uppsala , Sweden.); Wallgren A ( f Skånes Department of Oncology , Skåne University Hospital , Lund , Sweden.); Stål O ( g Department of Oncology , Sahlgrenska University Hospital , Göteborg , Sweden.); Carstensen J ( b Oncology, Department of Clinical and Experimental Medicine, Faculty of Health Sciences , Linköping University , Linköping , Sweden.) |
| Abstract | BACKGROUND: Tamoxifen is a well established treatment for breast cancer, but its long-term effects on the incidence of secondary cancers are not fully evaluated. MATERIAL AND METHODS: We have studied 4128 postmenopausal patients with early stage breast cancer who were alive and free of breast cancer recurrence after two years of tamoxifen, and who were randomized to receive totally two or five years of therapy. RESULTS: Compared to patients randomized to two years of tamoxifen the incidence of contralateral breast cancer [hazard ratio (HR) 0.73; 95% CI 0.56-0.96] and of lung cancer (HR 0.45; 95% CI 0.27-0.77), especially squamous cell and small cell lung cancer, were reduced in the five-year group, and similar results were seen when restricting the analysis to the 10-year period after treatment stopped. An increased incidence of endometrial cancer was observed in the five-year group, but the excess risk decreased over time. CONCLUSION: Further studies of the effects of tamoxifen on the risk of different histological types of lung cancer are needed. |
| File Format | HTM / HTML |
| ISSN | 0284186X |
| e-ISSN | 1651226X |
| Journal | Acta Oncologica |
| Language | English |
| Publisher | Taylor and Francis |
| Publisher Date | 2017-01-12 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Discipline Oncology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Radiology, Nuclear Medicine and Imaging Hematology Oncology |
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