The Sister Study: Genetic and Environmental Risk Factors for Breast Cancer

Completed

Conditions studied: Breast Cancer

In brief

The Sister Study is prospectively examining environmental and familial risk factors for breast cancer and other diseases in a cohort of 50,884 sisters of women who have had breast cancer. Such sisters have about twice the risk of developing breast cancer as other women.

Key facts

Study ID

NCT00047970

Run by

National Institute of Environmental Health Sciences (NIEHS)

People needed

50884

Starts

2003-08-01

Expected to finish

2015-04-01

Last updated by the study team

2015-04-15

Who can join

Age: 35 and older, up to 74. Sex: female. Healthy volunteers: accepted.

You may qualify if…

• Women who are eligible for the Sister Study:
• Have a sister (living or deceased) who had breast cancer
• Ages 35-74
• Never had breast cancer themselves
• Live in the United States
• The Sister Study is currently recruiting sisters of women diagnosed with breast cancer nationwide.

Where it is running

• NIEHS — Research Triangle Park, North Carolina, United States

Full record on ClinicalTrials.gov

Trial information comes from ClinicalTrials.gov and is refreshed daily. TrialsForMe does not provide medical care and does not run the studies it lists.