(Z)-endoxifen at 10 mg once daily met the primary endpoint with 19/20 (95%) receiving > 75 % of planned treatment in I-SPY-2 Phase 2 Trial Low dose (Z)-endoxifen was well tolerated and demonstrated promising rapid activity in reducing 3-wk Ki-67 and FTV Biomarkers SEATTLE, Oct. 31, 2024 (GLOBE NEWSWIRE) -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) ("Atossa" or the "Company"), today released a preliminary analysis from a phase 2 trial of (Z)-endoxifen as part of the I-SPY 2 Endocrine Optimization Pilot (EOP) ...