E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Operable early-stage, node-positive breast cancer |
|
E.1.1.1 | Medical condition in easily understood language |
Operable early-stage, node-positive breast cancer |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 18.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10071113 |
E.1.2 | Term | Node-positive breast cancer |
E.1.2 | System Organ Class | 100000004864 |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
The primary objective is to compare the disease-free survival (DFS) in subjects with early-stage, operable node-positive breast cancer with low and intermediate HER2 expression who receive standard of care multimodality therapy plus NeuVax or a group receiving equivalent standard of care plus the vaccine adjuvant rhGM-CSF as the control. |
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E.2.2 | Secondary objectives of the trial |
5- and 10-year DFS
3-year Overall survival (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) |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Qual 1
1. Women, at least 18 years of age
2. Pathological diagnosis of invasive breast adenocarcinoma
3. Breast cancer completely excised, or patient receiving neoadjuvant therapy prior to surgery.
4. One of:
-Total mastectomy and axillary staging with sentinel lymph node dissection or axillary dissection level I/II. Patients with a +ve sentinel lymph node must have undergone completion axillary dissection level I/II.
-BCS (lumpectomy) and axillary staging with sentinel lymph node dissection or axillary dissection level I/II. Patients with a +ve sentinel lymph node must have undergone a completion axillary dissection level I/II unless they had clinically node negative T1-T2 tumors and fewer than 3 involved lymph nodes.
5. Node-positive disease defined as:
-Clinically node +ve disease in patients who present with a suspicious lymph node on physical examination or identified by radiologic imaging that is confirmed histologically by core biopsy or cytologically by fine needle aspiration biopsy. These patients will qualify even if final
pathological assessment of their lymph nodes is -ve (pN0) following neoadjuvant chemotherapy.
- Pathologic pN1 (including pN1mi) or pN2 disease for patients undergoing surgery as initial intervention.
6. Primary tumor stage T1-3 at time of initial breast cancer diagnosis.
Ipsilateral nodes must be N0-1 by clinical evaluation and pN1 M0 or pN2
M0
7. HER2 Tumor tissue status to be confirmed in a Central Lab using IHC
tests Bond™ Oracle™ HER2 IHC System III, Leica Biosystems) or the
same FISH test (PathVysion™ HER2 DNA Probe Kit, Abbott Diagnostics):
•HER2 expression levels as 1+ or 2+ determined by IHC via Bond™
Oracle™ HER2 IHC System III (Leica Biosystems)
•HER2 IHC 2+ intensity gene amplification confirmed by Abbott FISH
PathVysion HER2 DNA Probe Kit determining the HER2 gene count and
HER2 gene/ CEP17 ratio of 2. 0 or less (according to FISH PathVysion
Package Insert).
8. Hormone receptor (ER/PR) status determined by qualified laboratory.
9.Must complete approved regimen of neoadjuvant or adjuvant chemotherapy, or both, consisting of at least 4 cycles before receiving
study treatment (and subjects must have recovered (toxicity recovered
to ≤ Grade 1) from effect of recent surgery, radiotherapy, or adjuvant
chemotherapy as determined by the principal investigator).
10. No more than 12 weeks and no sooner than 1 month from completion
of last SOC therapy, (surgery, adjuvant chemo- or radiotherapy), at time of first study treatment and with no evidence of disease (NED)
11.Must complete approved radiation therapy for subjects with total mastectomy prior to receiving study treatment:
•1-3 +ve axillary nodes – irradiation to chest wall, infraclavicular and
supraclavicular areas and internal mammary nodes not mandatory (may
be administered at discretion of the treating radiation oncologist).
•≥ 4 <10 +ve axillary nodes – chest wall irradiation and irridiation to infraclavicular and supraclavicular area mandatory; Irradiation to axillary area and internal mammary nodes not mandatory.
12.Must complete approved radiation therapy for subjects with BCS prior
to receiving study treatment: Adjuvant breast radiation indicated for all subjects treated with breast conservation (whole breast irradiation with/without "boost" dose of radiation to tumor bed):
•1 to 3 +ve axillary nodes: irradiation to the supraclavicular area, axillary area or internal mammary nodes not mandatory.
•≥ 4 <10 +ve axillary: irradiation to the infraclavicular and supraclavicular areas mandatory; irradiation to the axillary area and internal mammary nodes not mandatory.
13. Subjects with hormone-receptor–positive disease must have adjuvant endocrine therapy after chemotherapy (unless contraindicated).
14.All subjects' willingness for partner use of condom while on study
treatment and 90 days after last dose of study drug. Additionally, if able
to conceive, must agree to double barrier birth control, (spermicidal
foam, gel, etc) in addition to partner use of condom
15.Subject or legal representative able to understand the study objectives and procedures and willing to show consent by signing the informed consent documents.
Qual2:
1.Met all inclusion criteria for HLA typing.
2.HLA-A2 or HLA-A3 haplotype as determined by a third party central lab.
3.Normal CBC with differential.
4.Clinical chemistry <2x normal upper limit of normal range.
5.Adequate kidney and liver function as measured by creatinine, bilirubin, and liver enzymes.
6.ECHO or MUGA scan with cardiac LVEF >50%, or within normal range
for institution, and less than 10% decrease from baseline (post-adjuvant chemo, if available).
7.HER2 expression status determined to be IHC 1+or 2+ in Central Lab with Bond™ Oracle™ HER2 IHC System-III (Leica Biosystems). If HER2 status is 2+, amplified, confirmed in qualified Central lab by Abbott FISH test, PathVysion™ HER2 DNA Probe Kit (ratio of 2. 0 or less). |
|
E.4 | Principal exclusion criteria |
1. Under 18 years of age.
2. Bilateral breast malignancy.
3. Inflammatory breast cancer.
4. Unconfirmed, nonmalignant but suspicious mass in opposite breast.
5. Primary tumor stage T4.
6. Nodes: clinical N2 or N3 or pathologic /cytologic N3.
7. History of prior breast cancer.
8. History of prior ductal carcinoma in situ (DCIS). Prior lobular carcinoma in situ (LCIS) is allowed.
9. Prior trastuzumab therapy.
10. Ongoing endocrine therapy except for adjuvant hormone therapy for breast cancer; tamoxifen and aromatase inhibitors (i.e., anastrozole, exemestane and letrozole) or LHRH agonists (i.e., goselerlin, leuprolide).
11. New York Heart Association Stage 3 or 4 cardiac disease
12. Pregnant, plan to become pregnant during study treatment duration or breastfeeding.
13. Sensory/motor neuropathy ≥ Grade 2.
14. Autoimmune diseases including rheumatoid arthritis, systemic lupus erythematosus, type 1 diabetes mellitus or any other autoimmune disease that, in the opinion of the investigator, would compromise the subject's safety.
15. Immune deficiency diseases such as immunoglobulin deficiency or immunosuppressive therapy that might interfere with appropriate immune response
16. Positive test for human immunodeficiency virus (HIV), or hepatitis BsAg or hepatitis C
17. Patients on chronic steroid therapy or other immunosuppressive therapy except for topical steroids.
18. Patients with a known hypersensitivity to GM-CSF, yeast-derived products, or any component of the GM-CSF product (e.g. mannitol).
19. Concurrent treatment with other investigational agent.
20. Nonbreast malignancy within 5 years before randomization, except cured superficial recurrent bladder cancer, carcinoma in situ of the cervix (Stage 0 – 1), and basal cell or squamous cell carcinoma of the
skin.
21. Nonmalignant systemic disease that, in the opinion of the investigator, should preclude the subject's participation in the study. |
|
E.5 End points |
E.5.1 | Primary end point(s) |
Disease-Free Survival (DFS) |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
100% (n=141) events, or 36 months whichever is longer. |
|
E.5.2 | Secondary end point(s) |
5- and 10-year DFS
3-year OS
5- and 10-year OS
Patterns of recurrence to include :
-Time to recurrence (TTR), time to local recurrence (TTLR), time to distant recurrence (TTDR), time to bone metastases (TTBM)
Safety |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
Upon reaching 100% (n=141) of the required OS events, or after 60 months of follow-up following enrollment of the last subject, whichever is greater. |
|
E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
Control arm = Leukine + Placebo |
|
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 12 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 56 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Bulgaria |
Canada |
Czech Republic |
France |
Germany |
Hungary |
Israel |
Korea, Republic of |
Poland |
Romania |
Russian Federation |
Ukraine |
United Kingdom |
United States |
|
E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
Last visit of the last subject.
The primary endpoint is disease-Free survival and subjects will be followed for up to 10 years. Treatment will be administered monthly for 6 doses, then every 6 months for 5 doses for a total of 11 doses given over a period of 36 months. Subjects will be followed for up to 10 years.
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|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 10 |
E.8.9.1 | In the Member State concerned months | 0 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 10 |
E.8.9.2 | In all countries concerned by the trial months | 0 |
E.8.9.2 | In all countries concerned by the trial days | 0 |