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Clinical Trial Active — Not Recruiting Phase I NCT03332797

A Study of GDC-9545 Alone or in Combination With Palbociclib and/or Luteinizing Hormone-Releasing Hormone (LHRH) Agonist in Locally Advanced or Metastatic Estrogen Receptor-Positive Breast Cancer

A Study of GDC-9545 Alone or in Combination With Palbociclib and/or Luteinizing Hormone-Releasing Hormone (LHRH) Agonist in Locally Advanced or Metastatic Estrogen Receptor-Positive Breast Cancer — Active Not…

📅 15 May 2026 ⏱ 1 min read
Active — Not Recruiting
Check the registry for current status and eligibility criteria.
Status
Active — Not Recruiting
Phase
Phase I
NCT ID
NCT03332797
Start
2017-11-24
Completion
2027-07-31
ClinicaliQ Trial Snapshot
  • A Study of GDC-9545 Alone or in Combination With Palbociclib and/or Luteinizing Hormone-Releasing Hormone (LHRH) Agonist in Locally Advanced or Metastatic Estrogen Receptor-Positive Breast Cancer — Active Not Recruiting • Phase I • Oncology • NCT03332797.
  • Trial of new hormone therapy GDC-9545 alone or combined with existing drugs for advanced oestrogen receptor-positive breast cancer.

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What This Trial Is Studying

This study will evaluate the safety, pharmacokinetic (PK), pharmacodynamic (PD) activity, and preliminary anti-tumor activity of GDC-9545 as a single agent and in combination with palbociclib and/or luteinizing hormone-releasing hormone (LHRH) agonist in participants with advanced or metastatic estrogen receptor (ER)-positive (human epidermal growth factor receptor 2 [HER2]-negative) breast cancer. Conditions: Breast Cancer Interventions: GDC-9545, Palbociclib, LHRH Agonist Lead Sponsor: Genentech, Inc. Planned Enrollment: 181 participants

Full Trial Details
View this trial on the source registry
Eligibility criteria, protocol, and results when available
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