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Clinical Trial Summary

This phase I clinical trial studies the side effects of vaccine therapy and cyclophosphamide in treating patients with stage II-III breast cancer or stage II-IV ovarian, primary peritoneal or fallopian tube cancer. Vaccines made from peptides may help the body build an effective immune response to kill tumor cells. Drugs used in chemotherapy, such as cyclophosphamide, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving vaccine therapy and cyclophosphamide may kill more tumor cells.


Clinical Trial Description

PRIMARY OBJECTIVES:

I. To assess the safety of administering one cycle of cyclophosphamide and six subsequent monthly vaccinations with a peptide-based vaccine targeting folate receptor (FR)-alpha (multi-epitope folate receptor alpha peptide vaccine).

II. To assess the ability of this vaccination protocol to elicit an immune response as measured by activated FR-alpha-specific T lymphocytes or high-affinity antibodies.

SECONDARY OBJECTIVES:

I. To determine FR-alpha expression status of primary tumors when available as formalin-fixed, paraffin-embedded material and whether expression correlates with the ability to generate an immune response.

II. To identify human lymphocyte antigen (HLA) class I binding peptides from FR-alpha that are recognized by lymphocytes from patients prior to and after vaccination.

III. To determine whether cyclophosphamide treatment, prior to vaccination, results in regulatory T cell depletion by assessing regulatory T cells before and immediately after cyclophosphamide treatment.

IV. To compare FR-alpha (FRa) expression levels in tumor removed at primary surgery to FRa expression levels in tumor removed for clinical purposes at disease recurrence. (For ovarian cancer patients whose disease recurs.)

OUTLINE:

Patients receive cyclophosphamide orally (PO) twice daily (BID) on days 1-7 and 15-21 of course 1. Within 3-5 days, patients receive multi-epitope folate receptor alpha peptide vaccine intradermally (ID) on day 1. Vaccine treatment repeats every 28 days for up to 6 courses in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up at 3, 6, and 12 months. ;


Study Design


Related Conditions & MeSH terms

  • Breast Neoplasms
  • Carcinoma
  • Carcinoma, Ovarian Epithelial
  • Fallopian Tube Neoplasms
  • Ovarian Neoplasms
  • Peritoneal Neoplasms
  • Recurrent Breast Carcinoma
  • Recurrent Fallopian Tube Carcinoma
  • Recurrent Ovarian Carcinoma
  • Recurrent Primary Peritoneal Carcinoma
  • Stage IIA Breast Cancer
  • Stage IIA Fallopian Tube Cancer
  • Stage IIA Ovarian Cancer
  • Stage IIB Breast Cancer
  • Stage IIB Fallopian Tube Cancer
  • Stage IIB Ovarian Cancer
  • Stage IIC Fallopian Tube Cancer
  • Stage IIC Ovarian Cancer
  • Stage IIIA Breast Cancer
  • Stage IIIA Fallopian Tube Cancer
  • Stage IIIA Ovarian Cancer
  • Stage IIIA Primary Peritoneal Cancer
  • Stage IIIB Breast Cancer
  • Stage IIIB Fallopian Tube Cancer
  • Stage IIIB Ovarian Cancer
  • Stage IIIB Primary Peritoneal Cancer
  • Stage IIIC Breast Cancer
  • Stage IIIC Fallopian Tube Cancer
  • Stage IIIC Ovarian Cancer
  • Stage IIIC Primary Peritoneal Cancer
  • Stage IV Fallopian Tube Cancer
  • Stage IV Ovarian Cancer
  • Stage IV Primary Peritoneal Cancer

NCT number NCT01606241
Study type Interventional
Source Mayo Clinic
Contact
Status Completed
Phase Phase 1
Start date July 24, 2012
Completion date March 9, 2018

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