FLEX NEOADJUVANT PUBLICATIONS & ABSTRACTS

Clinical evidence from FLEX


Evidence / Neoadjuvant / FLEX

HR+ HER2- Early Breast Cancer (EBC) Patients ≥70 with High Risk 70-gene Signature Benefit from (Neo)adjuvant Chemotherapy (CT): Real World FLEX Study

Publication: SABCS 2025, Presentation ID: PS3-08-17 Authors: Mahtani et al. Title: HR+ HER2- Early Breast Cancer (EBC) Patients ≥70 with High Risk 70-gene Signature Benefit from (Neo)adjuvant Chemotherapy (CT): Real World FLEX Study Introduction: Women ≥ 70 years of age are less likely to receive chemotherapy (CT) due to Read More

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

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

Molecular Insights Into HR+/HER2+ Early-Stage Breast Cancer: Neoadjuvant Therapy Responses by MammaPrint and BluePrint Genomic Subtypes

Publication: ASCO® 2025 Authors: Laila Samiian, Adam Brufsky, Sahra Uygun, Isha Kapoor, Victoria Poillucci, Joyce O’Shaughnessy, William Audeh Title:Molecular Insights into HR+/HER2+Early-Stage Breast Cancer: Neoadjuvant Therapy Responses by MammaPrint and BluePrint genomic subtypes Background: Clinical HER2+ (cHER2+) early breast cancer (EBC) represents 15-20% of invasive EBC and is typically Read More

Association of ImPrintTN Signature With Survival Outcomes by Race in Basal-Type Triple Negative Breast Cancer

Publication: ASCO® 2025 Authors: Priyanka Sharma, Shane R. Stecklein, Denise M. Wolf, Christina Yau, Laura Esserman, Laura van t Veer, David B. Page, Harshini Ramaswamy, Sahra Uygun, Josien Haan, Nicole Stivers, Andrea Menicucci, William Audeh, Joyce O'Shaughnessy Title: Association of ImPrintTN signature with survival outcomes by race in Basal-Type Read More

The impact of the 80-gene signature on pCR and chemotherapy treatment decisions in early-stage breast cancer: A FLEX analysis

Publication: ESMO Breast Cancer 2025 Authors: Brufsky, et al. Title: The impact of the 80-gene signature on pCR and chemotherapy treatment decisions in early-stage breast cancer: A FLEX analysis Background: The BluePrint (BP), 80-gene signature, provides insight into the intrinsic subtype of early-stage breast cancer (EBC). This study evaluates Read More

Real World Evidence of MammaPrint® and BluePrint® utility for informing axillary surgery decisions in the neoadjuvant setting

Publication: ASBRS 2025Authors: Thompson et al.Title: Real World Evidence of MammaPrint® and BluePrint® utility for informing axillary surgery decisions in the neoadjuvant settingIntroduction:Decisions regarding the extent of axillary surgery in HR+HER2- early-stage breast cancer (EBC) are primarily based on clinical factors, including age, T-stage, and N-stageThe ACOSOG Z00111 trial found Read More