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A Study of Trastuzumab Emtansine in Combination With Atezolizumab or Placebo as a Treatment for Participants With Human Epidermal Growth Factor 2 (HER2)-Positive and Programmed Death-ligand 1 (PD-L1)-Positive Locally Advanced (LABC) or Metastatic Breast Cancer (MBC)

Status
Completed
Cancer Type
Breast Cancer
Trial Phase
Phase III
Eligibility
18 Years and older, Male and Female
Study Type
Treatment
NCT ID
NCT04740918
Protocol IDs
MO42319 (primary)
NCI-2021-07467
2020-002818-41
Study Sponsor
Hoffmann-La Roche

Summary

This study will evaluate the efficacy, safety and patient-reported outcomes of
trastuzumab emtansine plus atezolizumab compared with trastuzumab emtansine plus placebo
in participants with HER2-positive and PD-L1-positive LABC or MBC.Participants must have
progressed either during or after prior trastuzumab- (+/- pertuzumab) and taxane-based
therapy for LABC/MBC; or during (or within 6 months after completing) trastuzumab-
(+/-pertuzumab) and taxane-based therapy in the neoadjuvant and/or adjuvant setting.

Eligibility

  1. HER2+ and PD-L1+ locally advanced (LABC) or metastatic breast cancer (MBC)
  2. Progression must have occurred during most recent treatment for LABC/MBC or during, or within 6 months after completing, neoadjuvant and/or adjuvant therapy
  3. Prior treatment with trastuzumab (+/- pertuzumab) and taxane in the neoadjuvant and/or adjuvant, locally advanced, or metastatic setting
  4. No more than two prior lines of therapy in the metastatic setting
  5. Measurable disease per RESIST version 1.1
  6. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1
  7. Life expectancy >= 6 months
  8. Adequate hematologic and end-organ function
  9. For women of childbearing potential: agreement to remain abstinent or use contraception, and agreement to refrain from donating eggs
  10. For men: agreement to remain abstinent or use contraceptive measures, and agreement to refrain from donating sperm

Treatment Sites in Georgia

Northwest Georgia Oncology Centers - Cobb Hospital (Hiram)


144 Bill Carruth Parkway
Suite 3100
Hiram, GA 30141
770-281-5131
www.ngoc.com

Doctors:

Kathleen A. Long MD
Aron E. Kefela MD

Northwest Georgia Oncology Centers - Tanner Medical Center Villa Rica


157 Clinic Avenue
Suite 101 and Suite 102
Carrollton, GA 30117
770-281-5101
www.ngoc.com

Doctors:

Bradley J.G. Larson MD
Randall E. Pierce MD
**Clinical trials are research studies that involve people. These studies test new ways to prevent, detect, diagnose, or treat diseases. People who take part in cancer clinical trials have an opportunity to contribute to scientists’ knowledge about cancer and to help in the development of improved cancer treatments. They also receive state-of-the-art care from cancer experts... Click here to learn more about clinical trials.