Neoadjuvant Treatment of HER2 Positive Early High-risk and Locally Advanced Breast Cancer

  • STATUS
    Recruiting
  • End date
    Jun 15, 2027
  • participants needed
    650
  • sponsor
    Fondazione Michelangelo
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Updated on 24 January 2021
See if I qualify
paclitaxel
tubal ligation
cyclophosphamide
estrogen
progesterone
residual tumor
doxorubicin
carboplatin
pertuzumab
HER2
trastuzumab
progesterone receptor
atezolizumab
sentinel node
sentinel lymph node biopsy

Summary

n the present study the neoadjuvant approach with the anti-HER2 trastuzumab and pertuzumab combined with carboplatin and paclitaxel will be used to compare the Event-Free Survival (EFS) in regimens with and without atezolizumab. Following the neoadjuvant part of the study, after surgery all patients will continue to receive trastuzumab and pertuzumab to complete one year of anti-HER2 therapy. Similarly, patients allocated to receive atezolizumab will continue atezolizumab to complete one year In addition, several IHC and molecular assays will be performed before and during the period of chemotherapy administration and at surgery with the goal of defining a marker of efficacy to be later validated in a larger adjuvant setting.

Description

Dual targeting of HER2 with trastuzumab and pertuzumab in HER2-positive breast cancer is linked to clinical evidence of reversal of initial resistance to trastuzumab (Baselga J et al, J Clin Oncol 2010) in cases progressing on trastuzumab therapy, and in dramatic improvement in progression free and overall survival when the two monoclonal antibodies are used in combination with docetaxel (THP regimen) as first line therapy of metastatic disease as shown in the CLEOPATRA study (Swain S et al, ESMO abstract 2014). The randomized NeoSphere study showed that the same THP regimen given for 4 cycles as neoadjuvant treatment increased the rate of pathologic complete response (pCR) over that with conventional docetaxel and trastuzumab or docetaxel and pertuzumab (Gianni L et al, Lancet Oncol 2012).

Encouraging clinical data emerging in the field of tumor immunotherapy have demonstrated that therapies focused on enhancing T cell responses against cancer can result in a significant survival benefit in patients with advanced malignancies (Hodi FS and Dranoff G, J Cutan Pathol 2010; Kantoff PW et al, New Engl J Med 2010; Chen DS et al, Clin Cancer Res 2012). Many human tumors have been found to overexpress PD L1, which acts to suppress anti tumor immunity. PD 1 is an inhibitory receptor expressed on T cells following T cell activation, which is sustained in states of chronic stimulation, such as in chronic infection or canc Atezolizumab is a human monoclonal antibody containing an engineered Fc-domain to optimize efficacy and safety that targets PD-L1 and blocks binding of its receptors, including PD-1 and B7.1.

In addition to being involved in the natural progression of cancer, immunity can affect the activity of various anticancer agents. Accordingly, recent evidence suggests that some chemotherapeutic drugs, such as anthracyclines and oxaliplatin, rely on the induction of anticancer immune responses. Immune responses also play a major role in the efficacy of targeted therapies with monoclonal antibodies (Stagg J et al, Breast Care 2012). Studies have shown monoclonal antibodies such as trastuzumab and rituximab rely in part on immunemediated killing through antibody-dependent cellular cytotoxicity (ADCC). While innate immune responses appear to be important for tumor antigen-targeted monoclonal antibody therapies, recent studies in mice and correlative clinical evidence suggest that trastuzumab may also stimulate adaptive antitumor immunity. These studies raise the possibility that combination strategies may be used to capitalize on the adaptive tumor-specific immunity generated by anti-HER2 monoclonal antibodies.

Based on these considerations, we plan to conduct a randomized neoadjuvant study of the combination of trastuzumab, pertuzumab, carboplatin and paclitaxel with or without atezolizumab in women with early high-risk and locally advanced HER2-positive suitable for neoadjuvant therapy. One study arm will also include anthracycline and cyclophosphamide.

Details
Condition Invasive Breast Cancer
Treatment cyclophosphamide, carboplatin, Paclitaxel, Trastuzumab, doxorubicin, Surgery, Pertuzumab, Atezolizumab
Clinical Study IdentifierNCT03595592
SponsorFondazione Michelangelo
Last Modified on24 January 2021

Eligibility

 Yes No Not Sure

Inclusion Criteria

Is your age greater than or equal to 18 yrs?
Are you female?
Do you have Invasive Breast Cancer?
Do you have any of these conditions: Do you have Invasive Breast Cancer??
Female patients aged 18 years or older with early high-risk ((T1cN1; T2N1; T3N0) or locally advanced and inflammatory breast cancers (stage III A-C according to AJCC) suitable for neoadjuvant treatment
Histologically confirmed unilateral invasive breast cancer
HER2 positive disease according to ASCO/CAP guidelines 2013 [defined as IHC 3+ or ISH positive (by gene copy number or HER2 gene/CEP17 ratio of 2 or greater)]
Known estrogen (ER) and progesterone receptor (PgR)
Availability of a representative paraffin-embedded (FFPE) tumor block taken at diagnostic biopsy for central confirmation of HER2 eligibility, for assessment of ER, PgR, Ki67 and PD-L1 expression and for biomarker evaluation is mandatory. Note: the diagnostic biopsy of the breast lesion may have been taken before the required screening procedures. If diagnostic sentinel node biopsy if performed, an FFPE block must be available. An FFPE tumor block is also mandatory after the first cycle of therapy. Surgery tissue (residual tumor or tumor bed in case of pCR and axillary node material) is also mandatory
Consent to the collection of blood samples mandatorily before starting neoadjuvant treatment, after the first cycle of therapy, at the end of neoadjuvant treatment (before surgery), 6 months after surgery and at the end of all treatments
ECOG performance status 0 or 1
For women who are not postmenopausal ( 12 months of non-therapy-induced amenorrhea) or surgically sterile (absence of ovaries and/or uterus): agreement to remain abstinent or use single or combined contraceptive methods that result in a failure rate of < 1% per year during the treatment period and for at least 6 months after the last dose of study drugs. Abstinence is only acceptable if it is in line with the preferred and usual lifestyle of the patient. Periodic abstinence (e.g., calendar, ovulation, symptothermal, or postovulation methods) and withdrawal are not acceptable methods of contraception. Examples of contraceptive methods with a failure rate of < 1% per year include tubal ligation, male sterilization, hormonal implants, established, proper use of combined oral or injected hormonal contraceptives, and certain intrauterine devices. Alternatively, two methods (e.g., two barrier methods such as a condom and a cervical cap) may be combined to achieve a failure rate of < 1% per year. Barrier methods must always be supplemented with the use of a spermicide
Written informed consent to participate in the trial (approved by the Institutional Review Board [IRB]/ Independent Ethics Committee [IEC]) obtained prior to any study specific screening procedures
Willing and able to comply with the protocol

Exclusion Criteria

Evidence of bilateral breast cancer or metastatic disease (M1)
Patients with HER2-negative defined as 0-1+ by immunohistochemistry or 2+ by immunohistochemistry without HER2 amplification by either In Situ Hybridization (ISH) or other amplification tests done locally are considered not eligible for the study
Pregnant or lactating women. Documentation of a negative pregnancy test must be available for premenopausal women with intact reproductive organs and for women less than one year after the last menstrual cycle
Women with childbearing potential unless (1) surgically sterile or (2) using adequate measures of contraception, for example abstinence, an intra-uterine device, or double barrier method of contraception
Previous treatment with chemotherapy, hormonal therapy or an investigational drug for any type of malignancy
Previous investigational treatment for any condition other than malignancy within 4 weeks of randomization date
Administration of a live, attenuated vaccine within 4 weeks before Day 1 or anticipation that such a live attenuated vaccine will be required during the study
Previous or concomitant malignancy of any other type that could affect compliance with the protocol or interpretation of results. Patients with curatively treated basal cell carcinoma of the skin or in situ cervix cancer are generally eligible
Pre-existing motor or sensory neuropathy of grade > 1 for any reason
History of severe allergic, anaphylactic, or other hypersensitivity reactions to chimeric or humanized antibodies or fusion proteins
Known hypersensitivity or allergy to biopharmaceuticals produced in Chinese hamster ovary cells or any component of the atezolizumab formulation
Patients with prior allogeneic stem cell or solid organ transplantation
History of autoimmune disease including, but not limited to, systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease, vascular thrombosis associated with antiphospholipid syndrome, Wegener's granulomatosis, Sjgren's syndrome, Bell's palsy, Guillain-Barr syndrome, multiple sclerosis, vasculitis, or glomerulonephritis
History of idiopathic pulmonary fibrosis (including bronchiolitis obliterans with organizing pneumonia) or evidence of active pneumonitis on screening chest computed tomography scan
Known clinically significant liver disease, including active viral, alcoholic, or other hepatitis, cirrhosis, fatty liver, and inherited liver disease
History of HIV infection, active hepatitis B (chronic or acute), or hepatitis C infection. Patients with past or resolved hepatitis B infection (defined as having a negative HBsAg test and a positive hepatitis B core antigen [anti-HBc] test) are eligible
Patients positive for hepatitis C virus (HCV) antibody are eligible only if
polymerase chain reaction assay (PCR) is negative for HCV RNA
\. Active tuberculosis
\. Severe infections within 4 weeks prior to Day 1, including, but not
limited to, hospitalization for complications of infection, bacteremia, or
severe pneumonia. Signs or symptoms of significant infection within 2 weeks
prior to Day 1
\. Received oral or IV antibiotics within 2 weeks prior to Cycle 1 Day 1
\. Other serious illness or medical condition including: history of
documented congestive cardiac failure; New York Heart Association (NYHA) Class
II or greater CHF; angina pectoris requiring anti-anginal medication or
unstable angina within 6 months prior to Day 1; evidence of transmural
infarction on ECG; myocardial infarction stroke or transient ischemic attack
(TIA) within 6 months prior to Day 1; poorly controlled hypertension (e.g
systolic >180 mm Hg or diastolic >100 mm Hg; however, patients with
hypertension which is well controlled on medication are eligible); clinically
significant valvular heart disease; high-risk uncontrolled arrhythmias
\. Patients with a history of uncontrolled seizures, central nervous system
disorders or psychiatric disability judged by the investigator to be
clinically significant and precluding informed consent or adversely affecting
compliance with study drugs
\. Serious uncontrolled infections (bacterial or viral) or poorly controlled
diabetes mellitus
\. Any of the following abnormal baseline hematological values
White blood count (WBC) < 2.5 x 109/L
Absolute Neutrophil Count (ANC) < 1.5 x 109/L
Lymphocyte count < 0.5 x 109/L
Platelet count < 100 x 109/L
Hemoglobin (Hb) < 10 g/dL
Any of the following abnormal baseline laboratory tests
Serum total bilirubin > 1.5 x ULN (upper limit of normal) (except for patients with clearly documented Gilbert's syndrome)
Alanine transaminase (ALT) or aspartate transaminase (AST) > 1.25 x ULN
Alkaline phosphatase > 2.5xx ULN
Serum creatinine > 1.5 x ULN
INR and aPTT > 1.5 ULN within 2 weeks prior to enrollment. This applies only to patients who are not receiving therapeutic anticoagulation; patients receiving therapeutic anticoagulation should be on a stable dose
Baseline left ventricular ejection fraction (LVEF) < 50% by echocardiography or multi-gated scintigraphic scan (MUGA)
Major surgical procedure within 28 days prior to Day 1 or anticipation of need for a major surgical procedure during the course of the study
Influenza vaccination should be given during influenza season only (approximately October to March). Patients must not receive live, attenuated influenza vaccine (e.g., FluMist) within 4 weeks prior to Day 1 or at any time during the study
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paclitaxel
tubal ligation
cyclophosphamide
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progesterone
residual tumor
doxorubicin
carboplatin
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trastuzumab
progesterone receptor
atezolizumab
sentinel node
sentinel lymph node biopsy

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