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The Sister Study

This collaboration allows for research into important topics such as quality of life, stress and coping, medical decision-making, and other areas...

Collaborations & data Requests


To promote research on breast cancer and other women’s health topics, the Sisters Study welcomes proposals for collaborative studies from within NIEHS and the wider scientific community. All proposals will be reviewed by the Sister Study to insure scientific merit and to protect the integrity of the study and the confidentiality of its participants. Proposed studies may involve the analysis of routinely collected data or entail analysis of biological samples or new data collection from study participants. Projects will benefit from the active collaboration of a Sister Study investigator. Prior to submitting a proposal, applicants should establish appropriate collaborations with at least one Sister Study investigator based on the proposed study topic and investigator interests.

To obtain additional information about how to establish collaborations with a NIEHS Sister Study investigator or to propose a collaborative research study, please register on the Sister Study Tracking and Review System (STaRS) exit disclaimer where additional, detailed information is provided.

Data Requests

The Sister Study makes data available to both NIEHS and external investigators following an approval process to ensure scientific merit and integrity, and to protect the confidentiality of its participants. Preference will be given to proposals that address questions the Sister Study is uniquely positioned to address.

Sister Study approval must be obtained before grant applications are submitted to support collaborative studies using Sister Study data.Proposals involving biological or environmental samples may require additional scientific peer review or be subject to external review coordinated through the Sister Study.

Data requests can be initiated through the Sister Study Tracking and Review System (STaRS).exit disclaimerThe STaRS portal provides more detailed information about collaboration requirements, data access policies and procedures, and the process for Early Study Concept and proposal submissions.

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