A Trial Using ARV-471 or Anastrozole in Post-Menopausal Women With Breast Cancer Prior to Surgery
Public ClinicalTrials.gov record NCT05549505. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An Open-label, Randomized, Non-comparative Phase 2 Study of ARV-471 or Anastrozole in Post-menopausal Women With ER+/HER2- Breast Cancer in the Neoadjuvant Setting
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This trial is a Phase 2 neoadjuvant study evaluating ARV-471 or anastrozole in post-menopausal women with estrogen receptor positive/ human epidermal growth factor receptor 2 (ER+/HER2)- localized breast cancer.
Study identification
- NCT ID
- NCT05549505
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 152 participants
Conditions and interventions
Conditions
Interventions
- ARV-471 Drug
- Anastrozole Drug
- Surgical resection of breast tumor Procedure
Drug · Procedure
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 15, 2023 (Actual)
- Primary completion
- Jul 13, 2024 (Actual)
- Completion
- Jul 25, 2024 (Actual)
- Last update posted
- Aug 29, 2025
2023 – 2024
United States locations
- U.S. sites
- 13
- U.S. states
- 8
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Clinical Trial Site | Springdale | Arkansas | 72762 | — |
| Clinical Trial Site | Los Angeles | California | 90095 | — |
| Clinical Trial Site | Torrance | California | 90505 | — |
| Clinical Trial Site | Van Nuys | California | 91405 | — |
| Clinical Trial Site | Fort Lauderdale | Florida | 33308 | — |
| Clinical Trial Site | Fort Myers | Florida | 33901 | — |
| Clinical Trial Site | Orlando | Florida | 32806 | — |
| Clinical Trial Site | West Palm Beach | Florida | 33401 | — |
| Clinical Trial Site | Iowa City | Iowa | 52242 | — |
| Clinical Trial Site | Springfield | Massachusetts | 01199 | — |
| Clinical Trial Site | St Louis | Missouri | 63110 | — |
| Clinical Trial Site | Nashville | Tennessee | 37203 | — |
| Clinical Trial Site | Tacoma | Washington | 98405 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 36 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05549505, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 29, 2025 · Synced Oct 24, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT05549505 live on ClinicalTrials.gov.