Trastuzumab Deruxtecan Alone or in Combination With Anastrozole for the Treatment of Early Stage HER2 Low, Hormone Receptor Positive Breast Cancer — Stella
Phase 2 — Testing in a larger group (up to a few hundred people) to further evaluate safety and begin to assess effectiveness.
(9 sites) United States
St. Joseph Heritage Healthcare, Fullerton, California Cancer Blood and Specialty Clinic, Los Alamitos, California UCLA / Jonsson Comprehensive Cancer Center, Los Angeles, California Torrance Memorial Physician Network / Cancer Care, Torrance, California PIH Health, Whittier, California Orlando Health, Inc. d/b/a Orlando Health UF Health Center, Orlando, Florida Ft. Wayne Medical Oncology and Hematology, Inc., Fort Wayne, Indiana Cancer Center of Kansas, Wichita, Kansas Massachusetts General Hospital, Boston, Massachusetts
Key details Sponsor
Jonsson Comprehensive Cancer Center
Collaborators
Translational Research in Oncology-U.S, Daiichi Sankyo Co., Ltd.
Enrollment target
~88 participants
Primary completion
December 2026
Age range
18 Years and older
Last updated November 2025