LeonaBio to Highlight Lasofoxifene in ER-positive (ER+), HER2-negative, ESR1-mutated Metastatic Breast Cancer at DAVA Oncology’s 4th Summit on Breast Cancer

BOTHELL, Wash., Aug. 12, 2026 (GLOBE NEWSWIRE) -- LeonaBio, Inc. (NASDAQ: LONA), a clinical-stage biopharmaceutical company dedicated to the development of novel therapeutics for diseases with high unmet medical needs, today announced that its lead product candidate, lasofoxifene, will be featured in multiple presentations at Dava Oncology’s 4th Summit on Breast Cancer taking place from August 18-22, 2026, in Kona, Hawaii.

“We are honored to share the body of clinical and scientific evidence supporting lasofoxifene as a potential treatment for metastatic breast cancer with many of the world's leading breast cancer experts,” said Mark Litton, Ph.D., President and Chief Executive Officer of LeonaBio. “Patients with metastatic breast cancer continue to face significant challenges as resistance emerges and treatment options become limited. We believe lasofoxifene has the potential to redefine the treatment paradigm for these patients through its differentiated mechanism of action and promising clinical profile. As we advance toward completion of enrollment in our pivotal Phase 3 ELAINE-3 trial, we remain focused on obtaining the data needed to bring a potential new therapeutic option to patients as quickly as possible.”