Tamoxifen Citrate or Z-Endoxifen Hydrochloride in Treating Patients With Locally Advanced or Metastatic, Estrogen Receptor-Positive, HER2-Negative Breast Cancer
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Canadian Cancer Trials Group
National Cancer Institute (NCI)
Astellas Pharma Inc
National Cancer Institute (NCI)
Rutgers, The State University of New Jersey
Spanish Breast Cancer Research Group
City of Hope Medical Center
University of Colorado, Denver
Memorial Sloan Kettering Cancer Center
University of Nebraska
Seagen Inc.
Hoffmann-La Roche
MedSIR
Duke University
University of Texas Southwestern Medical Center
Eastern Cooperative Oncology Group
Spanish Breast Cancer Research Group
Allarity Therapeutics
M.D. Anderson Cancer Center
University of Kansas Medical Center
AstraZeneca
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Mayo Clinic
Dana-Farber Cancer Institute
Merck Sharp & Dohme LLC
National Cancer Institute (NCI)
Mayo Clinic
OHSU Knight Cancer Institute
City of Hope Medical Center
Mayo Clinic
Sanofi
City of Hope Medical Center
Dana-Farber Cancer Institute
Dana-Farber Cancer Institute
Canadian Cancer Trials Group
M.D. Anderson Cancer Center
University of Wisconsin, Madison
Stanford University
Eli Lilly and Company
Cedars-Sinai Medical Center
Dana-Farber Cancer Institute
Dana-Farber Cancer Institute
Institut Cancerologie de l'Ouest
Dana-Farber Cancer Institute
Dana-Farber Cancer Institute
M.D. Anderson Cancer Center
The Methodist Hospital Research Institute
M.D. Anderson Cancer Center
Dana-Farber Cancer Institute