CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 152 enrolled
Drug / intervention
ARV-471 +2 moredrug
Likely dose
ARV-471 100 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05549505
NCT05549505Phase 2Completed

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

Arvinas Inc.·interventional·Posted Sep 22, 2022·Updated Aug 29, 2025

In Brief

A Phase 2 clinical trial evaluating ARV-471, Anastrozole, and 1 other intervention for Breast Cancer. Completed, enrolled 152 participants across 49 sites in 4 countries.

Detailed Summary

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 Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsBreast Cancer
CountriesGeorgia, Germany, Spain, United States
CollaboratorsPfizer

Timeline

Phase 2CompletedFinished
2023202420252026
First PostedSep 22, 2022
Enrollment StartFeb 15, 2023
Primary CompletionJul 13, 2024
Study CompletionJul 25, 2024
TodayJul 2, 2026
Enrollment to primary: 1.4 yearsPosted 3.8 years ago

Interventions

ARV-471drug

100 mg tablet

Anastrozoledrug

1 mg tablet

Surgical resection of breast tumorprocedure

Surgical resection approximately 5.5 months after starting treatment (C6D18 ± 14 days)