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The Sleep After Breast Cancer (ABC) Study - Examining Sleep Changes and Biomarkers Among Breast Cancer Patients

Who can join

Ages 18 and older · All sexes

Inclusion Criteria:

* \* Age \>= 18 years old at time of breast cancer diagnosis

  * Stage I to III breast cancer diagnosis
  * Hormone receptor positive breast cancers
  * Post primary surgery, before chemotherapy/radiation therapy begins
  * No known evidence of breast cancer recurrence (local or distant) or second, primary cancer
  * No prior history of new other malignancy since their breast cancer diagnosis (other than non-melanoma skin cancer)
  * Able to speak, understand and read English
  * Cognitively able to complete the study requirements
  * Ability to access medical records from treating hospital

Exclusion Criteria:

* \* Stage IV or metastatic breast cancer

  * Not cognitively able to provide informed consent
  * Not willing to provide informed consent

About the study

This study is being done to learn more about breast cancer patients' experiences with sleep changes during cancer treatment, identify possible reasons for poor sleep quality, and to find out how stress, social support, and living environment affect sleep.

What is being tested

• Non-Interventional Study (other)

Sponsor: Ohio State University Comprehensive Cancer Center · Participants: 100 · Started: Aug 18, 2025

Contact the study team

• The Ohio State University Comprehensive Cancer Center · Phone: 800-293-5066

Official record on ClinicalTrials.gov — NCT07341503

Locations in the U.S.

Conditions

• Breast Cancer

From ClinicalTrials.gov, data retrieved Oct 2, 2026. Each study sets its own eligibility; the study team decides who can join.