Tumor-Dormancy-in-ER-Positive-Breast-Cancer-Patients-study

Researcher
Steven Narod, MD, and Carol Townsley, MD; Women’s College Research Institute, Toronto, ON, Canada.

Summary
Doctors do not know which women treated for early-stage estrogen receptor-positive (ER+) breast cancer will have their cancer come back in their breast or spread to other parts of their body. The purpose of this study is to collect information from women who have been diagnosed with ER+ breast cancer in order to learn which factors increase or decrease the risk of having a recurrence.

What does participation involve?
If you are eligible and agree to participate in this study, you will be asked to complete 6 online questionnaires over the course of 5 years. Each questionnaire will take about 1 hour and will ask about your medical history, breast cancer history and treatment, lifestyle, and habits. The questionnaires are available in English.

Where?
Anywhere in the world

How can I sign up for this study?

You can sign up for this study if you match all of these main criteria. Please read this list carefully.

  • You are a female (assigned at birth) age 25-75.
  • You were diagnosed with estrogen receptor positive (ER-positive) breast cancer (Stage I-III).
  • You were diagnosed on or after January 1, 2000.
  • Your cancer has not recurred (this means that the breast cancer has not come back in the breast or any other part of the body).
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