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Sökning: WFRF:(Goldhirsch A)

  • Resultat 21-30 av 36
  • Föregående 12[3]4Nästa
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21.
  • Rabaglio, M, et al. (författare)
  • Bone fractures among postmenopausal patients with endocrine-responsive early breast cancer treated with 5 years of letrozole or tamoxifen in the BIG 1-98 trial.
  • 2009
  • Ingår i: Annals of oncology : official journal of the European Society for Medical Oncology / ESMO. - 1569-8041. ; 20:9, s. 1489-98
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: To compare the incidence and timing of bone fractures in postmenopausal women treated with 5 years of adjuvant tamoxifen or letrozole for endocrine-responsive early breast cancer in the Breast International Group (BIG) 1-98 trial. METHODS: We evaluated 4895 patients allocated to 5 years of letrozole or tamoxifen in the BIG 1-98 trial who received at least some study medication (median follow-up 60.3 months). Bone fracture information (grade, cause, site) was collected every 6 months during trial treatment. RESULTS: The incidence of bone fractures was higher among patients treated with letrozole [228 of 2448 women (9.3%)] versus tamoxifen [160 of 2447 women (6.5%)]. The wrist was the most common site of fracture in both treatment groups. Statistically significant risk factors for bone fractures during treatment included age, smoking history, osteoporosis at baseline, previous bone fracture, and previous hormone replacement therapy. CONCLUSIONS: Consistent with other trials comparing aromatase inhibitors to tamoxifen, letrozole was associated with an increase in bone fractures. Benefits of superior disease control associated with letrozole and lower incidence of fracture with tamoxifen should be considered with the risk profile for individual patients.
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22.
  • Sonnenblick, Amir, et al. (författare)
  • Final 10-year results of the Breast International Group 2-98 phase III trial and the role of Ki67 in predicting benefit of adjuvant docetaxel in patients with oestrogen receptor positive breast cancer
  • 2015
  • Ingår i: European Journal of Cancer. - : Elsevier. - 0959-8049 .- 1879-0852. ; 51:12, s. 1481-1489
  • Tidskriftsartikel (refereegranskat)abstract
    • Aim: Breast International Group (BIG) 2-98 is a randomised phase III trial that tested the effect of adding docetaxel, either in sequence to or in combination with anthracycline-based adjuvant chemotherapy, in women with node-positive breast cancer (BC). Here, we present the 10-year final trial safety and efficacy analyses. We also report an exploratory analysis on the predictive value of Ki67 for docetaxel efficacy, in the BIG 2-98 and using a pooled analysis of three other randomised trials. Patients and methods: 2887 patients were randomly assigned in a 2 x 2 trial design to one of four treatments. The primary objective was to evaluate the overall efficacy of docetaxel on disease free survival (DFS). Secondary objectives included comparisons of sequential docetaxel versus sequential control arm, safety and overall survival (OS). Ki67 expression was centrally evaluated by immunohistochemistry. Results: After a median follow-up of 10.1 years, the addition of docetaxel did not significantly improve DFS or OS (hazard ratio (HR) = 0.91, 95% confidence interval (CI) = 0.81-1.04; P = 0.16 and HR = 0.88, 95% CI = 0.76-1.03; P = 0.11, respectively). Sequential docetaxel did not improve DFS compared to the sequential control arm (HR = 0.86, 95% CI = 0.721.03; P = 0.10). In oestrogen receptor (ER)-positive tumours with Ki67 greater than= 14%, the addition of docetaxel resulted in 5.4% improvement in 10-year OS (P = 0.03, test for interaction = 0.1). In a multivariate model, there was a trend for improved DFS and OS in ER-positive patients with high Ki67 and treated with docetaxel (HR = 0.79, 95% CI = 0.63-1.01; P = 0.05 and HR = 0.76, 95% CI = 0.57-1.01; P = 0.06, respectively). A pooled analysis of four randomised trials showed a benefit of taxanes in highly proliferative ER-positive disease but not in low proliferating tumours (interaction test P = 0.01). Conclusion: The DFS benefit previously demonstrated with sequential docetaxel is no longer observed at 10 years. However, an exploratory analysis suggested a benefit of docetaxel in patients with highly proliferative ER-positive BC.
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23.
  • Wallgren, Arne, 1940, et al. (författare)
  • Risk factors for locoregional recurrence among breast cancer patients: results from International Breast Cancer Study Group Trials I through VII.
  • 2003
  • Ingår i: Journal of clinical oncology : official journal of the American Society of Clinical Oncology. - 0732-183X. ; 21:7, s. 1205-13
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: To explore prognostic factors for locoregional failures (LRF) among women treated for invasive breast cancer within clinical trials of adjuvant therapies. PATIENTS AND METHODS: The study population consisted of 5,352 women who were treated with a modified radical mastectomy and enrolled in one of seven International Breast Cancer Study Group randomized trials. A total of 1,275 women with node-negative disease received either no adjuvant therapy or a single cycle of perioperative chemotherapy, and 4,077 women with node-positive disease received adjuvant chemotherapy of at least 3 months' duration and/or tamoxifen. Median follow-up is 12 to 15.5 years. RESULTS: In women with node-negative disease, factors associated with increased risk of LRF were vascular invasion (VI) and tumor size greater than 2 cm for premenopausal and VI for postmenopausal patients. Of the 1,275 patients, 345 (27%) met criteria for the highest risk groups, and the 10-year cumulative incidences of LRF with or without distant metastases were 16% for premenopausal and 19% for postmenopausal women. For the node-positive cohort, number of nodes and tumor grade were factors for both menopausal groups, with additional prediction provided by VI for premenopausal and tumor size for postmenopausal patients. Of the 4,077 patients, 815 (20%) met criteria for the highest risk groups, and 10-year cumulative incidences were 35% for premenopausal and 34% for postmenopausal women. CONCLUSION: LRFs are a significant problem after mastectomy alone even for some patients with node-negative breast cancer, as well as after mastectomy and adjuvant treatment for some subgroups of patients with node-positive disease. In addition to number of positive lymph nodes, predictors of LRF include tumor-related factors, such as vascular invasion, higher grade, and larger size.
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25.
  • Aebi, S, et al. (författare)
  • Differential efficacy of three cycles of CMF followed by tamoxifen in patients with ER-positive and ER-negative tumors: Long-term follow up on IBCSG Trial IX
  • 2011
  • Ingår i: ANNALS OF ONCOLOGY. - 0923-7534. ; 22:9, s. 1981-1987
  • Tidskriftsartikel (refereegranskat)abstract
    • Abstract: Background: The benefit of adjuvant chemotherapy in postmenopausal patients with estrogen receptor (ER)positive lymph node-negative breast cancer is being reassessed. Patients and methods: After stratification by ER status, 1669 postmenopausal patients with operable lymph nodenegative breast cancer were randomly assigned to three 28-day courses of 'classical' CMF (cyclophosphamide, methotrexate, 5-fluorouracil) chemotherapy followed by tamoxifen for 57 months (CMF/tamoxifen) or to tamoxifen alone for 5 years. Results: ERs were positive in 81% of tumors. At a median follow-up of 13.1 years, patients with ER-positive breast cancers did not benefit from CMF [13-year disease-free survival (DFS) 64% CMF/tamoxifen, 66% tamoxifen; P = 0.99], whereas CMF substantially improved the prognosis of patients with ER-negative breast cancer (13-year DFS 73% versus 57%, P = 0.001). Similarly, breast cancer-free interval (BCFI) was identical in the ER-positive cohort but significantly improved by chemotherapy in the ER-negative cohort (13-year BCFI 80% versus 63%, P = 0.001). CMF had no influence on second nonbreast malignancies or deaths from other causes. Conclusion: CMF is not beneficial in postmenopausal patients with node-negative ER-positive breast cancer but is highly effective within the ER-negative cohort. In the future, other markers of chemotherapy response may define a subset of patients with ER-positive tumors who may benefit from adjuvant chemotherapy.
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30.
  • Karlsson, Per, 1963, et al. (författare)
  • Patterns and risk factors for locoregional failures after mastectomy for breast cancer: an International Breast Cancer Study Group report
  • 2012
  • Ingår i: Annals of Oncology. - 0923-7534. ; 23:11, s. 2852-2858
  • Tidskriftsartikel (refereegranskat)abstract
    • Rates and risk factors of local, axillary and supraclavicular recurrences can guide patient selection and target for postmastectomy radiotherapy (PMRT). Local, axillary and supraclavicular recurrences were evaluated in 8106 patients enrolled in 13 randomized trials. Patients received chemotherapy and/or endocrine therapy and mastectomy without radiotherapy. Median follow-up was 15.2 years. Ten-year cumulative incidence for chest wall recurrence of > 15% was seen in patients aged < 40 years (16.1%), with >= 4 positive nodes (16.5%) or 0-7 uninvolved nodes (15.1%); for supraclavicular failures > 10%: >= 4 positive nodes (10.2%); for axillary failures of > 5%: aged < 40 years (5.1%), unknown primary tumor size (5.2%), 0-7 uninvolved nodes (5.2%). In patients with 1-3 positive nodes, 10-year cumulative incidence for chest wall recurrence of > 15% were age < 40, peritumoral vessel invasion or 0-7 uninvolved nodes. Age, number of positive nodes and number of uninvolved nodes were significant parameters for each locoregional relapse site. PMRT to the chest wall and supraclavicular fossa is supported in patients with >= 4 positive nodes. With 1-3 positive nodes, chest wall PMRT may be considered in patients aged < 40 years, with 0-7 uninvolved nodes or with vascular invasion. The findings do not support PMRT to the dissected axilla.
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  • Resultat 21-30 av 36
  • Föregående 12[3]4Nästa

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