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NCT04546009 · ClinicalTrials.gov registry record · Phase 3

A Study Evaluating the Efficacy and Safety of Giredestrant Combined With Palbociclib Compared With Letrozole Combined With Palbociclib in Participants With Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer (persevERA Breast Cancer)

A Phase 3 study of Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer, sponsored by Hoffmann-La Roche.

Active
Registry status
Phase 3
Development phase
992
Enrollment target
20
Study locations

NCT04546009: Active Phase 3 study of Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer, sponsored by Hoffmann-La Roche.

NCT04546009 is a Phase 3 study of Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer that is active but no longer recruiting, run by Hoffmann-La Roche. The registered enrollment target is 992 participants, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (28% higher). The trial reports 20 study locations across 8 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04546009, a Phase 3 study of Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer, is active but no longer recruiting, sponsored by Hoffmann-La Roche.

ACTIVE NOT RECRUITING
Registry status
Phase 3
Development phase
992 participants
Enrollment target
20
Study locations

Study Summary

This Phase III, randomized, double-blind, placebo-controlled, multicenter study will evaluate the efficacy and safety of giredestrant combined with palbociclib compared with letrozole combined with palbociclib in patients with estrogen receptor (ER)-positive, human epidermal growth factor receptor-2 (HER2)-negative locally advanced (recurrent or progressed) or metastatic breast cancer.

Interventions

  • DRUG Letrozole
  • DRUG Palbociclib
  • DRUG Giredestrant
  • DRUG Giredestrant-matched Placebo
  • DRUG Letrozole-matched Placebo

Study Locations (20)

California

  • Orange Coast Memorial Medical Center - Fountain Valley
  • Long Beach Memorial Medical Center - Long Beach
  • Kaiser Permanente - San Leandro Medical Center - San Leandro
  • Stanford Univ Medical Center - Stanford
  • Kaiser Permanente - Walnut Creek - Walnut Creek

Florida

  • Florida Cancer Specialists - Fort Myers (Broadway) - Fort Myers
  • Memorial Regional Cancer Ctr - Hollywood
  • University of Miami - Miami
  • SCRI Florida Cancer Specialists North - St. Petersburg
  • SCRI Florida Cancer Specialists PAN - Tallahassee

Colorado

  • University of Colorado - Aurora
  • Rocky Mountain Cancer Center - Denver

Maryland

  • Mercy Medical Center - Baltimore
  • Maryland Oncology Hematology - Silver Spring

Massachusetts

  • Massachusetts General Hospital - Boston
  • Beth Israel Deaconess Medical Center - Boston

New Jersey

  • Memorial Sloan Kettering Cancer Center Basking Ridge - Basking Ridge
  • Astera Cancer Care East Brunswick - East Brunswick

Hawaii

  • Kaiser Permanente - Moanalua Medical Center - Honolulu

Missouri

  • HCA Midwest Division - Kansas City

Trial Details

FieldValue
Enrollment Target 992 participants
Start Date 2020-10-09
Est. Completion 2028-03-25
Phase Phase 3
Hoffmann-La Roche

909 total trials

What the registry record for NCT04546009 still lists

NCT04546009 is an interventional study that assigns participants to a tested intervention. The registered 992 participants enrollment target is mid-sized for trials with a published cap, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (28% higher).

The record links to 1 condition, with Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer appearing as the primary indexed condition, and to 5 interventions - of which Letrozole is the first listed.

NCT04546009 names 20 study sites across 8 states, led by California, Florida, Colorado.

Frequently Asked Questions

What is clinical trial NCT04546009 about?

NCT04546009 is a clinical study titled "A Study Evaluating the Efficacy and Safety of Giredestrant Combined With Palbociclib Compared With Letrozole Combined With Palbociclib in Participants With Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer (persevERA Breast Cancer)". This Phase III, randomized, double-blind, placebo-controlled, multicenter study will evaluate the efficacy and safety of giredestrant combined with palbociclib compared with letrozole combined with palbociclib in patients with estrogen receptor (ER)-positive, human epidermal growth factor receptor-2...

What is the current status of trial NCT04546009?

This trial is currently active not recruiting. It is a Phase 3 study. The enrollment target is 992 participants. The study started on 2020-10-09. Estimated completion is 2028-03-25.

What conditions does trial NCT04546009 study?

This clinical trial studies the following conditions: Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer.

What interventions are being tested in trial NCT04546009?

The interventions under investigation include: Letrozole (DRUG), Palbociclib (DRUG), Giredestrant (DRUG), Giredestrant-matched Placebo (DRUG), Letrozole-matched Placebo (DRUG).

Who is sponsoring clinical trial NCT04546009?

This trial is sponsored by Hoffmann-La Roche, which has 909 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT04546009 being conducted?

This trial has 20 study locations across California, Colorado, Florida, Hawaii, Maryland. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT04546009's enrollment target sits among peer trials

992 314th of 2000 higher than 1,687 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT04546009, the US trial registry maintained by the National Library of Medicine. NCT04546009 (mid enrollment · wide site footprint · active not recruiting) retrieved and formatted by PlainTrial, see methodology.