E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Patients at Stage I-II HER2-negative breast cancer |
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E.1.1.1 | Medical condition in easily understood language |
Patients at Stage I-II HER2-negative breast cancer |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
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 |
Analyze pre-treatment expression of mRNA from breast tumors in order to identify potential predictors of response - defined as pathological complete response in the breast (pCRb)- to eribulin administered in the neoadjuvant setting. |
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E.2.2 | Secondary objectives of the trial |
Asses the rate of pCRb and pCR in the breast and axillary lymph nodes (pCRbl) as definitive surgery after neoadjuvant treatment with eribulin. Determinate the clinical and radiological overall response rate (ORR). To determinate the biological activity of the treatmnent with eribulin, assessed by comparing gene expression at different time points and their correlation pCRb rate. To estimaste the sensitivity and specifity of gene expression at the different time points to predict clinical response to eribulin administered in the neoadjuvant setting. To determinate the correlation of pCRb with breast cancer subtype (Luminal A, Luminal B, Basal-like, HER2-enriched and Claudin-low. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Written IC must be given according to ICH/GCP guidelines and national/local regulations before patient registration, specifically highlighting the generation of molecular characterization of tumor and genomic samples. 2. Age ≥18 years. 3. Histologically confirmed invasive breast carcinoma with all of the following characteristics: a. Primary tumor ≥2 cm in largest diameter (cT1-3) assessed by physical examination and mammography and/or breast US and/or breast MRI (where available). If the tumor is not palpable or measures less than 2 cm in physical examination, the patient is eligible if the imaging technique (mammography and/or breast US and/or breast MRI) shows a tumor of at least 2 cm. b. cN0-1: patients with clinically evident axillary lymph nodes can be included, but not if metastasis in ipsilateral level I/II axillary lymph nodes are fixed to one another (matted) or to other structures (N2a). Patients with clinically involved internal mammary or supraclavicular nodes (i.e., cN2b-3) are also excluded. c. No evidence of distant metastasis (M0). 4. BC must be eligible for definitive primary surgery. 5. Available pre-treatment core (Tru-cut) biopsy or possibility of performing one. 6. HER2- BC (as per local assessment), defined by any of the following: a. 0-1+ expression by IHC. b. 2+ expression by IHC and in situ hybridization (FISH/CISH) without HER2 gene amplification (<4 HER2 gene copies per nucleus, or a FISH ratio [HER2 gene copies to Cr17 signals] of <1.8). c. Is situ hybridization (FISH/CISH) without HER2 gene amplification, independently of IHC. 7. Known hormone receptor (ER/PgR) status (as per local assessment) or possibility of performing the tests. 8. Known percentage of hormone receptor (ER/PgR) and Ki67-positive tumor cells (as per local assessment), or possibility of performing the tests. 9. Multifocal tumors (defined as the presence of two or more foci of cancer within the same breast quadrant) are allowed. However, if a multifocal tumor is present: a. The largest lesion must be ≥2 cm. It will be considered as the target lesion for all subsequent tumor evaluations. b. HER2- status must be documented in all the tumor foci. c. ER/PgR status of the target lesion will be considered to classify the BC subtype, as determined by IHC criteria. 10. ECOG performance status of 0 or 1 (see Appendix B for definitions). 11. Adequate laboratory values as follows: a. Absolute neutrophil count (ANC) ≥1.5 x 109/L. b. Platelets count ≥100 x 109/L. c. Hemoglobin ≥9 g/dL. d. Serum bilirubin ≤1.5 time the upper limit of normal (ULN). In the case of known Gilbert’s syndrome, a higher serum total bilirubin (<2 x ULN) is allowed. e. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤2.5 x ULN. f. Alkaline phosphatase (AP) ≤2.5 x ULN. g. Serum creatinine ≤1.5 mg/dL or calculated creatinine clearance ≥60 mL/m. 12. Absence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule. 13. Ability and willingness to comply with study visits, treatment, testing, and to comply with the protocol; those conditions should be discussed with the patient before registration in the trial. |
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E.4 | Principal exclusion criteria |
1. Any prior treatment for primary invasive BC. 2. Metastatic, locally advanced, or inflammatory BC (i.e., Stage III or IV BC). 3. Bilateral invasive BC. 4. Multicentric BC, defined as the presence of two or more foci of cancer in different quadrants of the same breast. 5. Pre-existing peripheral neuropathy of any grade. 6. Uncontrolled hypertension (systolic >150 mmHg and/or diastolic >100mmHg). 7. Clinically significant (i.e., active) cardiovascular disease, including cerebrovascular accident (≤6 months before enrolment), myocardial infarction (≤6 months before enrolment), unstable angina, New York Heart Association ≥ grade 2 congestive heart failure, serious cardiac arrhythmia requiring medication during the study and that might interfere with regularity of the study treatment, or not controlled by medication. 8. Long QT syndrome. 9. Concomitant use of inhibitors of hepatic transport proteins, such as organic anion-transporting proteins (OATPs), P-glycoprotein (Pgp), multidrug resistant proteins (MRPs), etc. Inhibitors of such transporters include but are not limited to: cyclosporine, ritonavir, saquinavir, lopinavir, and certain other protease inhibitors, efavirenz, emtricitabine, verapamil, clarithromycin, quinine, quinidine and disopyramide. 10. Major medical conditions that might affect study participation (e.g., active peptic ulcer disease, uncontrolled diabetes mellitus, uncontrolled seizure disorder, uncontrolled pulmonary, renal or hepatic dysfunction, or uncontrolled infection). 11. Other primary malignant tumors within the previous 5 years, except for adequately controlled limited basal cell carcinoma of the skin or carcinoma in situ of the cervix. 12. Known human immunodeficiency virus (HIV) infection or other active or serious infection requiring IV antibiotics at enrollment. 13. Pregnancy or breastfeeding women. 14. Women of childbearing potential (<2 years after the last menstruation) not using effective, non-hormonal means of contraception (e.g., intra-uterine contraceptive device, barrier method of contraception in conjunction with spermicidal jelly, or surgically sterilized) during the study and for a period of 6 months following the last administration of study drug. 15. Administration of any live virus vaccine within 8 weeks preceding study entry. 16. Use of any investigational agent within 30 days of administration of the first dose of study drug or concurrent treatment on another clinical study. 17. Requirement for radiation therapy concurrent with study anticancer treatment. Patients who require breast or chest wall radiation therapy after surgery are eligible. 18. Known hypersensitivity to the study drug or excipients. 19. Inability or unwillingness to abide by the study protocol or cooperate fully with the Investigator or designee.
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E.5 End points |
E.5.1 | Primary end point(s) |
Correlation of pre-treatment expression of mRNA from primary breast tumors with pCRB after neoadjuvant treatment with eribulin. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
Rate of pCRB, defined as the complete absence of invasive carcinoma in the breast on histological examination at the time of definitive surgery, according to the NSABP guidelines. Rate of pCRBL, defined as the complete absence of invasive carcinoma in the breast and axillary lymph nodes on histological examination at the time of definitive surgery. Clinical and radiological ORR, defined by RECIST 1.1 as complete response (CR) plus partial response (PR). Physical examination and breast mammography and/or breast US and/or breast MRI will be used to evaluate clinical and radiological response. Analysis of the expression of mRNA from breast tumors at the initial biopsy, after 21 days of treatment (Cycle 2 Day 1) with eribulin and at surgery (if pCRB is not achieved). Correlation of mRNA expression in breast tumors after 21 days of neoadjuvant treatment with eribulin and at surgery (if pCRB is not achieved) with pCRB. Correlation of mRNA expression in breast tumors with clinical and radiological ORR at different time points during the neoadjuvant treatment with eribulin. Sensitivity and specificity of gene expression at the initial biopsy, after 21 days of treatment with eribulin and at surgery to predict clinical response to eribulin administered in the neoadjuvant setting. Rate of pCRB according to breast cancer subtype: Luminal A, Luminal B, Basal-like, HER2-enriched and Claudin-low. Rate of pCRB according to breast cancer subtype determined by immunohistochemistry (following the 2011 St. Gallen definitions): Luminal A, Luminal B, and TNBC. Proportion of patients able to have breast conservation surgery after being treated with eribulin as neoadjuvant therapy. Safety and AEs (assessed by CTCAE v.4), including the following parameters: -General safety, assessed by monitoring all AEs and serious AEs, laboratory measurements, vital signs, and physical exams -Percentage of patients with neutropenia Grade 3-4 -Percentage of subjects with neuropathy -Incidence of fatigue -Dose reductions and dose delays due to treatment toxicity The correlation between alternations in tubulin isotype expression and mutational status in pre-treatment samples with efficacy parameters, such as pCRB, ORR and BOR. The correlation between exome or genome sequencing data from pre-treatment samples with pCRB after neoadjuvant treatment with eribulin. Changes in gene expression and gene mutational status between the pre-treatment samples and samples after treatment (if tumor tissue remains).</
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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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 | No |
E.6.4 | Safety | No |
E.6.5 | Efficacy | No |
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 | Yes |
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) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
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 | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 1 |
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 | 4 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 29 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
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
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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 | 1 |
E.8.9.1 | In the Member State concerned months | 6 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 6 |
E.8.9.2 | In all countries concerned by the trial days | 0 |