Endocrine Treatment Alone for Elderly Patients With Estrogen Receptor Positive Operable Breast Cancer and Low Recurrence Score

Description

Multiple neoadjuvant endocrine trials demonstrate that women with good prognosis tumors can be identified. These trials have also demonstrated that there are not adverse effects on overall outcome if women are treated with neoadjuvant endocrine therapy for several months prior to definitive treatment. A new standard of care needs to be defined for elderly women with good prognosis estrogen receptor (ER)+ tumors, since these women may benefit from endocrine therapy alone to treat their cancer without compromising local and distant control. The investigators hypothesize that endocrine therapy alone provides adequate local and systemic control of breast cancer in a subpopulation of women 70 or older with ER+ breast cancer and low Ki67 scores.

Conditions

Breast Cancer, Cancer of Breast, Breast Neoplasms, Cancer of the Breast

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Study Overview

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Study Details

Study overview

Multiple neoadjuvant endocrine trials demonstrate that women with good prognosis tumors can be identified. These trials have also demonstrated that there are not adverse effects on overall outcome if women are treated with neoadjuvant endocrine therapy for several months prior to definitive treatment. A new standard of care needs to be defined for elderly women with good prognosis estrogen receptor (ER)+ tumors, since these women may benefit from endocrine therapy alone to treat their cancer without compromising local and distant control. The investigators hypothesize that endocrine therapy alone provides adequate local and systemic control of breast cancer in a subpopulation of women 70 or older with ER+ breast cancer and low Ki67 scores.

Endocrine Treatment Alone as Primary Treatment for Elderly Patients With Estrogen Receptor Positive Operable Breast Cancer and Low Recurrence Score

Endocrine Treatment Alone for Elderly Patients With Estrogen Receptor Positive Operable Breast Cancer and Low Recurrence Score

Condition
Breast Cancer
Intervention / Treatment

-

Contacts and Locations

Saint Louis

Washington University School of Medicine, Saint Louis, Missouri, United States, 63110

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * Newly diagnosed histologically or cytologically confirmed operable invasive breast cancer defined as cT1 or T2, N0-1, and M0.
  • * Disease must be ER+ and HER2-.
  • * Ki67 score/proliferative index ≤ 30% or low to intermediate mitotic index
  • * Measurable disease defined as lesions that can be accurately measured in at least one dimension (longest diameter to be recorded) by ultrasound or mammogram.
  • * 70 years of age or older.
  • * ECOG performance status ≤ 3
  • * Able to understand and willing to sign an IRB approved written informed consent document (or that of legally authorized representative, if applicable).
  • * Prior surgery for this cancer
  • * A history of other malignancy ≤ 5 years previous which would preclude endocrine treatment of their cancer.
  • * Currently receiving any other investigational agents.
  • * A history of allergic reactions attributed to compounds of similar chemical or biologic composition to any of the agents used in the study.
  • * Uncontrolled intercurrent illness as determined by their treating physician which would limit compliance with study requirements.
  • * Known HIV-positivity on combination antiretroviral therapy because of the potential for pharmacokinetic interactions with endocrine therapies. Appropriate studies will be undertaken in patients receiving combination antiretroviral therapy when indicated.

Ages Eligible for Study

70 Years to

Sexes Eligible for Study

FEMALE

Accepts Healthy Volunteers

No

Collaborators and Investigators

Washington University School of Medicine,

Rebecca L Aft, M.D, Ph.D., PRINCIPAL_INVESTIGATOR, Washington University School of Medicine

Study Record Dates

2031-07-31