This proposal seeks a renewal of funding for ttie United States-based International Breast Cancer Study Group (IBCSG) Statistical and Data Management Center, a resource that contributes to International-US collaboration in the following areas: ?Access to the IBCSG clinical database of over 29,300 breast cancer patients enrolled in large-scale, randomized clinical trials with up to 30 years'maximum follow-up. ?Access to the IBCSG translational database of tumor-specific markers, host factors, gene arrays, and pathways;and the bio-specimen bank for over 12,000 patients. ?Expertise of statistical and medical investigators and collaboration in the IBCSG research agenda. This proposal will continue the successful enrollment of U.S. patients to IBCSG trials (especially of endocrine therapy for young women), as well as enrollment of IBCSG patients to U.S.-led trials. Such global collaboration is essential to accrue the number of patients needed to evaluate treatments tailored for breast cancer subpopulations and tumor subtypes. The IBCSG is uniquely positioned to conduct translational research in large randomized clinical trials with extensive clinical databases and an established and expanding bio-specimen bank. The primary goal of the IBCSG is to determine the best possible treatments for individual patients with breast cancer.
The specific aims of this application comprise the major areas of research toward this goal. ?To provide US-based statistical and data management collaboration for the design, conduct, analysis, and reporting of IBCSG randomized clinical trials evaluating adjuvant therapies. ?To facilitate translational research by providing access to our bio-specimen bank, to our translational database from collected specimens, and to collaborate in the analysis of translational projects. ?To facilitate collaboration on database studies to identify and confirm the relationship between characteristics of breast cancer patients and response to adjuvant therapies.
This resource gives NCI a cost-effective opportunity to significantly improve the understanding of treatment and prognosis of women with operable breast cancer. Many women are successfully treated with current therapies, but many still relapse and die of their disease. The tailored therapy trials and translational research plans in this proposal will facilitate progress to identify the best treatments for the individual patient.
|Saha, Poornima; Regan, Meredith M; Pagani, Olivia et al. (2017) Treatment Efficacy, Adherence, and Quality of Life Among Women Younger Than 35 Years in the International Breast Cancer Study Group TEXT and SOFT Adjuvant Endocrine Therapy Trials. J Clin Oncol 35:3113-3122|
|Ribi, Karin; Luo, Weixiu; Bernhard, Jürg et al. (2016) Adjuvant Tamoxifen Plus Ovarian Function Suppression Versus Tamoxifen Alone in Premenopausal Women With Early Breast Cancer: Patient-Reported Outcomes in the Suppression of Ovarian Function Trial. J Clin Oncol 34:1601-10|
|Phillips, Kelly-Anne; Regan, Meredith M; Ribi, Karin et al. (2016) Adjuvant ovarian function suppression and cognitive function in women with breast cancer. Br J Cancer 114:956-64|
|Ribi, Karin; Bernhard, Jürg; Luo, Weixiu et al. (2016) Reply to F. Tomao et al. J Clin Oncol 34:4189-4190|
|Chirgwin, Jacquie H; Giobbie-Hurder, Anita; Coates, Alan S et al. (2016) Treatment Adherence and Its Impact on Disease-Free Survival in the Breast International Group 1-98 Trial of Tamoxifen and Letrozole, Alone and in Sequence. J Clin Oncol 34:2452-9|
|Colleoni, Marco; Gray, Kathryn P; Gelber, Shari et al. (2016) Low-Dose Oral Cyclophosphamide and Methotrexate Maintenance for Hormone Receptor-Negative Early Breast Cancer: International Breast Cancer Study Group Trial 22-00. J Clin Oncol 34:3400-8|
|Bellet, Meritxell; Gray, Kathryn P; Francis, Prudence A et al. (2016) Twelve-Month Estrogen Levels in Premenopausal Women With Hormone Receptor-Positive Breast Cancer Receiving Adjuvant Triptorelin Plus Exemestane or Tamoxifen in the Suppression of Ovarian Function Trial (SOFT): The SOFT-EST Substudy. J Clin Oncol 34:1584-93|
|Karlsson, Per; Cole, Bernard F; Price, Karen N et al. (2016) Timing of Radiation Therapy and Chemotherapy After Breast-Conserving Surgery for Node-Positive Breast Cancer: Long-Term Results From International Breast Cancer Study Group Trials VI and VII. Int J Radiat Oncol Biol Phys 96:273-279|
|Regan, Meredith M; Francis, Prudence A; Pagani, Olivia et al. (2016) Absolute Benefit of Adjuvant Endocrine Therapies for Premenopausal Women With Hormone Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative Early Breast Cancer: TEXT and SOFT Trials. J Clin Oncol 34:2221-31|
|Colleoni, Marco; Sun, Zhuoxin; Price, Karen N et al. (2016) Annual Hazard Rates of Recurrence for Breast Cancer During 24 Years of Follow-Up: Results From the International Breast Cancer Study Group Trials I to V. J Clin Oncol 34:927-35|
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