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Clinical Trial Summary

This phase I/II trial studies the side effects of vaccine therapy and to see how well it works in treating patients with stage IV major histocompatibility complex, class I, A2 antigen (HLA-A2) and human epidermal growth factor receptor 2 (HER2) positive breast or ovarian cancer who are receiving trastuzumab. Giving booster vaccines made from HER2 peptides may help increase HER2 specific immunity and immune memory cells.


Clinical Trial Description

PRIMARY OBJECTIVES: I. To evaluate the safety of administering a HER2 cytotoxic T-cell (CTL) peptide-based vaccine (HER-2/neu peptide vaccine) to stage IV breast and ovarian cancer patients receiving maintenance trastuzumab. II. To quantify and characterize antigen specific T cell subsets specific to HER2 in peripheral blood mononuclear cell (PBMC) of patients after vaccination with a HER2 CTL peptide-based vaccine while receiving maintenance trastuzumab. SECONDARY OBJECTIVES: I. To evaluate overall survival (OS) in patients who complete a vaccination series with a HER2 CTL peptide-based vaccine while receiving maintenance trastuzumab. OUTLINE: Patients receive HER-2/neu peptide vaccine intradermally (ID) once per month for 6 months in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up at 1, 3, 6, and 12 months, and then yearly for up to 5 years. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00194714
Study type Interventional
Source University of Washington
Contact
Status Completed
Phase Phase 1/Phase 2
Start date May 2016
Completion date May 22, 2023

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