Pre-Operative Window of ET to Inform RT Decisions (POWER II)

Trial statusRecruiting
Trial phasePhase 3
Trial typeInterventional
Biological sexFemale
Age65+
SponsorUniversity of Virginia

About this trial

This is a Phase III, multisite exploratory study for women ≥ 65 years of age with early stage estrogen receptor positive (ER+) breast cancer. These individuals will be treated randomly assigned to one of two groups:

Intervention, treated with 3 months of pre-operative endocrine therapy (pre-ET) OR Control, participants follow standard of care and proceed directly to breast cancer surgery.

Both arms will be assessed for tolerance and compliance to the endocrine therapy by patient reported outcome (PRO) measures (patient surveys).

Eligibility criteria

Qualifiers

Diagnosis of ER+, PR +/-, and HER2- non amplified invasive breast cancer and clinically negative nodes

ECOG performance status 0-2

Females, aged ≥ 65 years

Patient is eligible for BCS and opted for BCS

Disqualifiers

Bilateral synchronous breast cancer

Multicentric disease

Prior use of Tamoxifen or aromatase inhibitors

History of ipsilateral breast radiation therapy

Trial design

Treatments tested in this trial

  • Tamoxifen, Letrozole, Anastrozole, or Exemestane

Treatment groups

354 Participants
are divided into 2 treatment groups

Sponsors and collaborators