HER2 Directed Dendritic Cell Vaccine During Neoadjuvant Therapy of HER2+Breast Cancer

"Study Vaccine:~Lead In Phase - Weekly as outlined in each treatment Arm.~Expansion Phase - At the optimal schedule determined at the end of the Lead In Phase.~Pre-surgery - Booster Vaccine at week 25 prior to receiving surgery.~Post-surgery - Participants will receive a series of 3 booster intranodal study vaccines given once every 6 months."

Upon completion of the 3 week series of vaccinations participants will then undergo neoadjuvant chemotherapy treatment with the TCH-P Taxotere (docetaxel), Carboplatin, Herceptin (trastuzumab), Perjeta (pertuzumab) standard of care neoadjuvant chemotherapy regimen given intravenously once every 3 weeks for up to 6 cycles. The treating physician will have the discretion to delay, modify, or shorten the neoadjuvant chemotherapy as per routine practice guidelines and physician discretion.

Planned definitive curative surgery at 26 to 28 weeks.