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Letrozole therapy alone or in sequence with tamoxifen in women with breast cancer.
BIG 1-98 Collaborative Group; Mouridsen H, Giobbie-Hurder A, Goldhirsch A, Thürlimann B, Paridaens R, Smith I, Mauriac L, Forbes J, Price KN, Regan MM, Gelber RD, Coates AS. BIG 1-98 Collaborative Group, et al. N Engl J Med. 2009 Aug 20;361(8):766-76. doi: 10.1056/NEJMoa0810818. N Engl J Med. 2009. PMID: 19692688 Free PMC article. Clinical Trial.
The advantage of letrozole over tamoxifen in the BIG 1-98 trial is consistent in younger postmenopausal women and in those with chemotherapy-induced menopause.
Chirgwin J, Sun Z, Smith I, Price KN, Thürlimann B, Ejlertsen B, Bonnefoi H, Regan MM, Goldhirsch A, Coates AS; BIG 1-98 Collaborative and International Breast Cancer Study Groups. Chirgwin J, et al. Breast Cancer Res Treat. 2012 Jan;131(1):295-306. doi: 10.1007/s10549-011-1741-6. Epub 2011 Sep 4. Breast Cancer Res Treat. 2012. PMID: 21892704 Free PMC article. Clinical Trial.
Design, conduct, and analyses of Breast International Group (BIG) 1-98: a randomized, double-blind, phase-III study comparing letrozole and tamoxifen as adjuvant endocrine therapy for postmenopausal women with receptor-positive, early breast cancer.
Giobbie-Hurder A, Price KN, Gelber RD; International Breast Cancer Study Group; BIG 1-98 Collaborative Group. Giobbie-Hurder A, et al. Clin Trials. 2009 Jun;6(3):272-87. doi: 10.1177/1740774509105380. Clin Trials. 2009. PMID: 19528136 Free PMC article. Clinical Trial.
Prognostic and predictive value of centrally reviewed Ki-67 labeling index in postmenopausal women with endocrine-responsive breast cancer: results from Breast International Group Trial 1-98 comparing adjuvant tamoxifen with letrozole.
Viale G, Giobbie-Hurder A, Regan MM, Coates AS, Mastropasqua MG, Dell'Orto P, Maiorano E, MacGrogan G, Braye SG, Ohlschlegel C, Neven P, Orosz Z, Olszewski WP, Knox F, Thürlimann B, Price KN, Castiglione-Gertsch M, Gelber RD, Gusterson BA, Goldhirsch A; Breast International Group Trial 1-98. Viale G, et al. J Clin Oncol. 2008 Dec 1;26(34):5569-75. doi: 10.1200/JCO.2008.17.0829. Epub 2008 Nov 3. J Clin Oncol. 2008. PMID: 18981464 Free PMC article. Clinical Trial.
Assessment of letrozole and tamoxifen alone and in sequence for postmenopausal women with steroid hormone receptor-positive breast cancer: the BIG 1-98 randomised clinical trial at 8·1 years median follow-up.
Regan MM, Neven P, Giobbie-Hurder A, Goldhirsch A, Ejlertsen B, Mauriac L, Forbes JF, Smith I, Láng I, Wardley A, Rabaglio M, Price KN, Gelber RD, Coates AS, Thürlimann B; BIG 1-98 Collaborative Group; International Breast Cancer Study Group (IBCSG). Regan MM, et al. Lancet Oncol. 2011 Nov;12(12):1101-8. doi: 10.1016/S1470-2045(11)70270-4. Epub 2011 Oct 20. Lancet Oncol. 2011. PMID: 22018631 Free PMC article. Clinical Trial.