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Brief Title: A Study of GDC-0810 Single Agent or in Combination With Palbociclib and/or a Luteinizing Hormone-Releasing Hormone (LHRH) Agonist in Women With Locally Advanced or Metastatic Estrogen Receptor Positive Breast Cancer
Official Title: An Open-Label, Phase Ia/Ib/IIa Study of GDC-0810 Single Agent or in Combination With Palbociclib and/or an LHRH Agonist in Women With Locally Advanced or Metastatic Estrogen Receptor Positive Breast Cancer
Study ID: NCT01823835
Brief Summary: This study is a multi-institution, Phase Ia/Ib/IIa open-label, dose-finding, safety, pharmacokinetics (PK), and proof-of-concept study of GDC-0810 as a single agent and in combination with palbociclib and/or LHRH agonist. The study is divided into 3 phases: Phase Ia, Phase Ib, and Phase IIa. During Phase Ia (dose escalation phase), GDC-0810 single agent will be administered orally on a continuous daily dosing regimen with a Day -7 lead-in period for single dose PK evaluation prior to the start of daily treatment. The incidence of dose-limiting toxicities (DLTs) will be evaluated from Day -7 through the first cycle (28 days) of treatment (35 days total). Depending on safety and tolerability, participants will be assigned sequentially to escalating doses of GDC-0810 using standard 3 + 3 design. During Phase Ib (dose escalation and expansion phase), participants will receive GDC-0810 with palbociclib and/or LHRH agonist to determine the recommended Phase II dose (RP2D) and assess the safety and tolerability of concomitant administration. During Phase IIa (dose expansion phase), participants previously treated with an aromatase inhibitor (AI) will be treated at the RP2D to further characterize the safety, PK, pharmacodynamics, and anti-tumor activity of GDC-0810.
Detailed Description:
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: FEMALE
Healthy Volunteers: No
Ucsd Medical Center, San Diego, California, United States
Massachusetts General Hospital., Boston, Massachusetts, United States
Dana Farber Cancer Institute, Boston, Massachusetts, United States
Washington University, Saint Louis, Missouri, United States
Mount SInai Medical Center, New York, New York, United States
Memorial Sloan Kettering Cancer Center, New York, New York, United States
Vanderbilt University Medical Center, Nashville, Tennessee, United States
Seattle Cancer Care Alliance, Seattle, Washington, United States
Seoul National University Hospital, Seoul, , Korea, Republic of
Severance Hospital, Yonsei University Health System, Seoul, , Korea, Republic of
VU MEDISCH CENTRUM; Dept. of Medical Oncology, Amsterdam, , Netherlands
Hospital Universitari Vall d'Hebron, Barcelona, , Spain
Centro Integral Oncologico Clara Campal (CIOCC); Dirección Médica, Madrid, , Spain
Hospital Clinico Universitario de Valencia, Valencia, , Spain
Name: Clinical Trials
Affiliation: Hoffmann-La Roche
Role: STUDY_DIRECTOR