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Study identifier: NCT05296798 Synced from ClinicalTrials.gov · August 02, 2026
● Active Not Recruiting

A Study to Evaluate the Efficacy and Safety of Giredestrant in Combination With Phesgo (Pertuzumab, Trastuzumab, and Hyaluronidase-zzxf) Versus Phesgo in Participants With Locally Advanced or Metastatic Breast Cancer (heredERA Breast Cancer)

Condition: Locally Advanced or Metastatic Breast Cancer  ·  Sponsor: Hoffmann-La Roche

PhasePhase 3
Planned participants922
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

This Phase III, randomized, two-arm, open-label, multicenter study will evaluate the efficacy and safety of giredestrant plus Phesgo compared with Phesgo after induction therapy with Phesgo plus taxane in participants with human epidermal growth factor receptor 2 (HER2)-positive, estrogen receptor (ER)-positive advanced breast cancer (metastatic or locally advanced disease not amenable to curative treatment) who have not previously received a systemic non-hormonal anti-cancer therapy in the advanced setting.

This description comes directly from the study's public registry record.

Talk to the study team

No contact information is available for this study as per the public registry record.

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Locations (202)

Arizona Clinical Research Center, IncTucson, Arizona, United States
Los Angeles Hematology Oncology Medical GroupLos Angeles, California, United States
Cancer Specialists of North FloridaJacksonville, Florida, United States
Maryland Oncology Hematology - AnnapolisAnnapolis, Maryland, United States
Queens Hospital Cancer CenterJamaica, New York, United States
Clinical Research AllianceWestbury, New York, United States
West Cancer CenterGermantown, Tennessee, United States
CHRISTUS Spohn Cancer Center - ShorelineCorpus Christi, Texas, United States
Texas Oncology - DFWDallas, Texas, United States
Texas Oncology - El PasoEl Paso, Texas, United States
Swedish Cancer Institute - Edmonds CampusEdmonds, Washington, United States
Swedish Cancer Institute - IssaquahIssaquah, Washington, United States

+ 190 more locations — full list on the registry record.

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