Vaccine Therapy in Treating Patients With Previously Treated Stage II-III HER2-Positive Breast Cancer

Exclusion Criteria

• •Any prior lapatinib or pertuzumab treatment
• •Any of the following because this study involves an investigational agent whose genotoxic, mutagenic and teratogenic effects on the developing fetus and newborn are unknown:
• •Pregnant women
• •Nursing women unwilling to stop breast feeding
• •Men or women of child bearing potential who are unwilling to employ adequate contraception from the time of registration through 6 months after the final vaccine cycle Co-morbid systemic illnesses or other severe concurrent disease which, in the judgment of the investigator, would make the patient inappropriate for entry into this study or interfere significantly with the proper assessment of safety and toxicity of the prescribed regimens Immunocompromised patients including patients known to be human immunodeficiency virus (HIV) positive or those on chronic steroids; Note: must be off systemic steroids at least 90 days prior to registration; topical steroids or steroid eye drops are permitted 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
• •Uncontrolled acute or chronic medical conditions including, but not limited to the following:
• •Active infection requiring antibiotics
• •Congestive heart failure with New York Heart Association class III or IV; moderate to severe objective evidence of cardiovascular disease
• •Myocardial infarction or stroke within previous 6 months Receiving any other investigational agent Other active malignancy at time of registration or within the last three years prior to registration; EXCEPTIONS: non-melanoma skin cancer or carcinoma-in-situ (eg of cervix, prostate); NOTE: if there is a history of prior malignancy, they must not be receiving other specific treatment (cytotoxics, monoclonal antibodies, small molecule inhibitors) for their cancer Known history of autoimmune disease, including Type I diabetes Any prior hypersensitivity or adverse reaction to granulocyte-macrophage colony-stimulating factor (GM-CSF) History of trastuzumab-related cardiac toxicity requiring interruption or discontinuation of therapy, even if left ventricular ejection fraction (LVEF) fully recovered Baseline LVEF with a value below 55% Failure to fully recover from acute, reversible effects of prior chemotherapy regardless of interval since last treatment History of myocardial infarction =\< 168 days (6 months) prior to registration, or congestive heart failure requiring use of ongoing maintenance therapy for life-threatening ventricular arrhythmias Bilateral invasive breast cancer, either synchronous or metachronous; Note: ductal carcinoma in situ in the contralateral breast is permissible