Individual Study / Sister study

Sister study

Sister study

Sister study logo
Initiatives -
Research in the Sister Study focuses on causes of breast cancer and other health issues in women, as well as on factors that influence quality of life and outcomes after a breast cancer diagnosis.
Start Year
The Sister Study was funded by the Intramural ResearchProgram of the NIH, NIEHS (Z01ES044005), with support fromthe Institute of Minority Health and Health Disparities, NIH.
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Investigators Contacts
  • MD. Dr Jack Taylor
    National Institute of Environmental Health
  • Dr Clarice Weinberg
    National Institute of Environmental Health Sciences
  • Dr Dale Sandler
    National Institute of Environmental Health Sciences (NIEHS)


Study design
Population cohort
Follow Up
Participants complete health updates each year, as well as detailed questionnaires about health and experiences every two to three years.

Marker Paper

Sandler DP, Hodgson ME, Deming-Halverson SL, Juras PS, D'Aloisio AA, Suarez LM, Kleeberger CA, Shore DL, DeRoo LA, Taylor JA, Weinberg CR; Sister Study Research Team. The Sister Study Cohort: Baseline Methods and Participant Characteristics. Environ Health Perspect. 2017 Dec 20;125(12):127003. doi: 10.1289/EHP1923.

PUBMED 29373861


Sources of Recruitment
  • Families

Number of participants

Number of participants
Number of participants with biosamples
Supplementary Information
Sisters of women with breast cancer


Availability of data and biosamples


Availability of access information

On the study website :