Summary
The goal of this trial is to see if active surveillance monitoring and hormonal therapy
in patients diagnosed with ductal cell carcinoma in situ (DCIS), an early stage of breast
cancer, can be an effective management of the disease.
Participants will be asked to receive control hormonal therapy or an investigational
hormonal therapy treatment. Participants will be asked to return for evaluation with MRI
at three months and six months. Depending on the evaluation participants will have the
option to continue on the treatment. If the evaluation suggests surgery is recommended,
the participant will discontinue the study treatment and will undergo surgery. In
addition to the treatment and MRI evaluation, participants will be asked to provide blood
sample to understand their immune status, provide saliva sample for genetic testing,
provide the study with a portion of the tissue or slides generated from tissue removed
during surgery performed as part of their standard of care.