Fixed Duration Pirtobrutinib and Obinutuzumab in Chronic Lymphocytic Leukemia — StellaPhase 2 — Testing in a larger group (up to a few hundred people) to further evaluate safety and begin to assess effectiveness.
Trial locations(4 sites)
United States
New England Cancer Specialists, Scarborough, Maine Beth Israel Deaconess Medical Center, Boston, Massachusetts Brigham & Women's Hospital, Boston, Massachusetts Dana-Farber Cancer Institute, Boston, Massachusetts Last updated January 2026