Efficacy and Safety Study of NeuVax™ (Nelipepimut-S or E75) Vaccine to Prevent Breast Cancer Recurrence (PRESENT)
Purpose of this trial:
- To assess the efficacy and safety of NeuVax™ administered with adjuvant Leukine® (sargramostim, GM-CSF).
- To evaluate and compare the disease free survival (DFS) in the vaccinated and control subjects.
|Breast Cancer With Low to Intermediate HER2 Expression||Biological: NeuVax™ vaccine Biological: Leukine® (sargramostim, GM-CSF) and water for injection||Phase 3|
|Study Design:||Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Prevention
|Official Title:||PRESENT: Prevention of Recurrence in Early-Stage, Node-Positive Breast Cancer With Low to Intermediate HER2 Expressions With NeuVax™Treatment|
- Comparison of DFS in vaccine treated patients and control patients [ Time Frame: 36 months ]The primary objective is to compare the DFS in subjects with operable early-stage, node-positive breast cancer who receive standard of care multimodality therapy plus NeuVax™ as the treatment group or standard of care multimodality therapy plus the vaccine adjuvant, Leukine® as the control group.
- Assessment of DFS and OS at 3, 5 and 10 years in vaccine and control groups, respectively; assessment of safety [ Time Frame: 3 through 10 years ]
The secondary objectives are to evaluate the 2 groups of subjects for:
- 5- and 10-year DFS
- 3-year OS
- 5- and 10-year OS
- Time to recurrence (TTR), time to local recurrence (TTLR), time to distant recurrence (TTDR), time to bone metastases (TTBM)
- Overall safety profile and adverse events (AEs)
|Study Start Date:||November 2011|
|Study Completion Date:||September 21, 2016|
|Primary Completion Date:||September 21, 2016 (Final data collection date for primary outcome measure)|
NeuVax™ in WFI solution with Leukine®
Biological: NeuVax™ vaccine
E75 peptide acetate (HER2/neu p366-379) in WFI (1.5 mg/mL) mixed with 250 micrograms Leukine® (sargramostim, GM-CSF), will be administered in intradermal injections, in four divided doses (4 sites on upper thigh) once a month, for six consecutive months. At the end of the six months, NeuVax™ vaccine boosters will be given the same way once every six months for the next five times (totaling 36 months).
Other Name: E75 peptide acetate , WFI, sargramostim, GM-CSF
Active Comparator: Leukine®
Leukine® with WFI
Biological: Leukine® (sargramostim, GM-CSF) and water for injection
Leukine® 250 micrograms in water for injection, will be administered in intradermal injections, in four divided doses (4 sites on upper thigh) once a month, for six consecutive months. At the end of the six months, boosters inoculations will be given the same way once every six months for the next five times (totaling 36 months).
Other Name: Leukine®
This is a multicenter, multinational, prospective, randomized, double-blind, controlled Phase 3 study.
The subjects eligible for this trial have an early stage node-positive breast cancer. Their tumors express low or intermediate levels of the HER2 protein. NeuVax™ will be administered after completion of front-line, standard of care therapy (surgery, radiation therapy, and chemotherapy) and can be given concomitantly with physician prescribed endocrine treatment.
NeuVax™ is the immmunodominant nonapeptide derived from the extracellular domain of the HER2 protein, a well-established target for therapeutic intervention in breast carcinoma. The nelipepimut sequence stimulates specific CD8+ cytotoxic T lymphocytes (CTL) following binding to HLA-A2/A3 molecules on antigen presenting cells (APC). These activated specific CTLs recognize, neutralize and destroy through cell lysis HER2 expressing cancer cells, including occult cancer cells and micrometastatic foci. The nelipepimut immune response can also generate CTLs to other immunogenic peptides through inter- and intra-antigenic epitope spreading. Based on a successful Phase 2 trial, which achieved its primary endpoint of DFS, the Food and Drug Administration (FDA) granted NeuVax a Special Protocol Assessment (SPA) for its Phase 3 PRESENT (Prevention of Recurrence in Early-Stage, Node-Positive Breast Cancer with Low to Intermediate HER2 Expression with NeuVax Treatment) study.
The active portion of the study will last three years (36 months). The follow-up will last from 5 to 10 years.
Primary efficacy endpoint:
- 3-year DFS
Secondary efficacy endpoints:
- 5- and 10-year DFS
- 3-year OS
- 5- and 10-year OS
- Safety profile, and adverse events (AEs)
- Patterns of recurrence to include Time to recurrence (TTR), time to local recurrence (TTLR), time to distant recurrence (TTDR), time to bone metastases (TTBM)
Subjects will be assessed at every study visit for the safety endpoints, AEs,vital signs, physical examinations and laboratory data; yearly follow-up of survival will include imaging studies, ECGs, MUGA or ECHO scans and concomitant medications.
Please refer to this study by its ClinicalTrials.gov identifier: NCT01479244
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|Principal Investigator:||Elizabeth A Mittendorf, MD,FACS||M.D. Anderson Cancer Center|