Atossa Therapeutics, Inc. (Nasdaq: ATOS), a clinical stage biopharmaceutical company developing innovative medicines in areas of significant unmet medical need in oncology, and Quantum Leap Healthcare Collaborative™ today announce that Atossa’s proprietary Selective Estrogen Receptor Modulator (SERM),(Z)-endoxifen, will be evaluated in a new study arm of the ongoing I-SPY 2clinical trial.