A Pilot Study Utilizing a HER2 Directed Dendritic Cell Vaccine During Neoadjuvant Therapy of HER2+ Breast Cancer
The purpose of this study is to learn more about how to treat patients with HER-2/neu positive invasive breast cancer (IBC). HER-2/neu is a type of protein that is known to be over-expressed in aggressive breast cancer.
The study drug for this trial is DC1 study vaccine which is a HER2-sensitized dendritic cell (DC) study vaccine. This study vaccine is made from the participant's blood cells collected from a procedure called leukapheresis. Dendritic cells are immune cells that can tell the immune system to fight infection. In laboratory testing and from previous studies in participants, these cells may also help the immune system attack tumors such as breast cancer.
Main endpoints: Immunogenicity of Arm A vs B schedule by ELISPOT, pCR rate.
Secondary endpoints: Safety/toxicity, RFS, persistence of immune response by ELISPOT.
Participants must have histologically confirmed clinical stage II or III ERPR- HER2+ (per CAP criteria) invasive carcinoma of the breast
Medically and surgically appropriate to undergo neoadjuvant chemotherapy with TCH-P Taxotere (docetaxel), Carboplatin, Herceptin (trastuzumab), Perjeta (pertuzumab) regimen followed by standard of care local therapy as determined by their treating physician
Males and females Age ≥18 years.
Eastern Cooperative Oncology Group (ECOG) performance status less than 2
Participants must have normal organ and marrow function
Cardiac ejection fraction within institutional normal limits by either MUGA or ECHO at baseline.
Women of child-bearing potential and their male partners must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation. Should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately. Sexually active male participants should use a barrier method or exercise abstinence during chemotherapy administration until surgery.
Ability to understand and the willingness to sign a written informed consent document.
Patients with inflammatory breast cancer, widespread locally advanced unresectable disease involving the chest wall/nodal basins in which a curative surgical resection cannot be performed, or those in whom de novo metastatic disease is suspected or confirmed
May not be receiving any other investigational agents for the treatment of their breast cancer.
History of allergic reactions attributed to compounds of similar chemical or biologic composition to the study vaccine components and any of the chemotherapy drugs (docetaxel, carboplatin, trastuzumab, pertuzumab)
Unwilling or unable to undergo an apheresis for production of their vaccine
Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
Women who are pregnant or breastfeeding
Known congenital or acquired immune deficiency (including those patients who require systemic immunosuppressant drugs for autoimmune disease or organ transplant).
Pre-existing peripheral neuropathy that would limit treatment with taxanes and platinum agents
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