FLEX ADJUVANT PUBLICATIONS & ABSTRACTS
Clinical evidence from FLEX
Evidence / Adjuvant / FLEX
70-Gene Signature High Risk Classification Provides Stronger Prognostic Value Than Histologic Grade in HR+HER2– Early Breast Cancer
Publication: SABCS 2025, Presentation ID: PS5-04-19 Authors: Cobain et al. Title: Improved 3-year IDFS with anthracycline-based therapy for patients with 70-gene signature High 2, Luminal B, HR+HER2- early-stage breast cancer Introduction: Pivotal trials of immunotherapy and CDK4/6 inhibitors in early-stage hormone-receptor positive (HR+) HER2 negative (HER2–) breast cancer have Read More
Improved 3-Year IDFS With Anthracycline-Based Therapy for Patients With 70-Gene Signature High 2, Luminal B, HR+HER2- Early-Stage Breast Cancer
Publication: SABCS 2025, Presentation ID: PS2-07-03 Authors: O’Shaugnessy et al. Title: Improved 3-year IDFS with anthracycline-based therapy for patients with 70-gene signature High 2, Luminal B, HR+HER2- early-stage breast cancer Introduction: ABC trials found no significant differences in outcomes among patients with clinically high-risk HR+, HER2- breast cancer when Read More
Leveraging Real-World Evidence To Personalize Adjuvant Therapy in HR+/HER2- Early Breast Cancer
Publication: JNCI Cancer Spectrum, 2025, 9(5), pkaf092 Authors: Yael Bar, MD, PhD , Steven J. Isakoff , MD, PhD , Seth A. Wander , MD, PhD Title: Leveraging real-world evidence to personalize adjuvant therapy in HR+/HER2- early breast cancer Abstract: The use of gene expression assays (GEAs) to assess Read More
MammaPrint Predicts Chemotherapy Benefit in HR+HER2- Early Breast Cancer: FLEX Registry Real-World Data
Publication: JNCI Cancer Spectrum, August 2025 Authors: Brufsky et al. Title: MammaPrint Predicts Chemotherapy Benefit in HR+HER2- Early Breast Cancer: FLEX Registry Real-World Data Abstract Background: Gene expression assays help personalize adjuvant chemotherapy decisions for hormone receptor-positive, HER2-negative (HR+HER2-) early breast cancer (EBC). The 70-gene risk of distant-recurrence signature, MammaPrint, Read More
Real-World Evidence From FLEX: Utility of MammaPrint in Guiding Treatment Planning for Patients Aged 70 and Older With Early-Stage Breast Cancer
Publication: ASCO® 2025 Authors: Reshma Mahtani, Ana Sandoval-Leon, Anna Schrieber, Cathy Graham, Lauren Carcas, Naomi Dempsey, Victoria Poillucci, Michelle Landon, Christa Dreezen, William Audeh Title: Real-world Evidence from FLEX: Utility of MammaPrint in guiding treatment planning for patients aged 70 and older with early-stage breast cancer Background: Older women Read More
Prediction of Chemotherapy Benefit by MammaPrint in HR+HER2- Early Stage Breast Cancer Revealed by the FLEX Registry of Real World Data
Source: San Antonio Breast Cancer Symposium® Authors: Adam Brufsky*, Kent Hoskins, Henry Conter, Pond Kelemen, Mehran Habibi, Laila Samian, Robert Maganini, Rakshanda Rahman, Laura Lee, Eduardo Dias, Regina Hampton, Beth Seiling, Cynthia Osborne, Eric Brown, Jailan Elayoubi, Priyanka Sharma, Jayanthi Ramadurai, Laurie Matt-Amral, Alfredo Santillan, Sasha Strain, Philip Albaneze, Read More
Association of MammaPrint With Gene Expression Pathways Predictive of Resistance to Cyclin-Dependent Kinase Inhibition
Source: San Antonio Breast Cancer Symposium® Authors: Adam Brufsky, VK Gadi, Aisha Ahmed, Preethi John, Beth Seiling, Josien Haan6, Harshini Ramaswamy, Nicole Stivers, Andrea Menicucci, William Audeh, Joyce O’Shaughnessy, FLEX Investigators’ Group Title: Association of MammaPrint® With Gene Expression Pathways Predictive of Resistance to Cyclin-Dependent Kinase Inhibition Background: Cyclin-dependent kinase Read More
