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Biomarker Study of Immune-mediated Mechanism of Action of Neoadjuvant Trastuzumab in HER2+ Breast Cancer Patients

Phase II, Open Label, Randomized, Biomarker Study of Immune-mediated Mechanism of Action of Neoadjuvant Subcutaneous (SC) Trastuzumab in Patients With Operable or Locally Advanced/Inflammatory HER2-positive Breast Cancer (ImmunHER)

Status
UNKNOWN
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03144947
Acronym
IMMUN-HER
Enrollment
65
Registered
2017-05-09
Start date
2016-11-29
Completion date
2021-11-30
Last updated
2020-10-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cancer, Breast

Brief summary

Phase II, Open Label, Randomized, Biomarker Study of Immune-mediated Mechanism of Action of Neoadjuvant Subcutaneous (SC) Trastuzumab in Patients with Operable or Locally Advanced /Inflammatory HER2-positive Breast Cancer (ImmunHER)

Detailed description

Women with histologically confirmed HER2-positive breast cancer with locally advanced, inflammatory,or early stage tumor (either greater than 2 cm in diameter or node positive) with no evidence of metastatic disease.

Interventions

BIOLOGICALPertuzumab

pertuzumab IV (840 mg loading dose, followed by 420 mg) weeks for 4 cycles (both arms)

BIOLOGICALTrastuzumab IV

Pre-randomization phase: FEC (fluorouracil 500 mg/m2; epirubicin 75 mg/m2; cyclophosphamide 500 mg/m2) x 3 cycles Post-randomization phase: Group A: Trastuzumab IV (8 mg/kg loading dose, followed by 6 mg/kg) plus pertuzumab IV (840 mg loading dose, followed by 420 mg) plus docetaxel (75 mg/m2)\*, every 3 weeks for 4 cycles. by 420 mg) plus docetaxel (75 mg/m2)\*, every 3 weeks for 4 cycles. \*The dose of docetaxel may be escalated to 100 mg/m 2 at the investigator's discretion on subsequent cycles if the initial dose is well tolerated. After surgery, study patients will receive trastuzumab x 14 cycles using the same formulation (SC or IV) of the preoperative phase.

BIOLOGICALTrastuzumab SC

Pre-randomization phase: FEC (fluorouracil 500 mg/m2; epirubicin 75 mg/m2; Group B: Trastuzumab SC (fixed dose of 600 mg) plus pertuzumab IV (840 mg loading dose, followed by 420 mg) plus docetaxel (75 mg/m2)\*, every 3 weeks for 4 cycles. \*The dose of docetaxel may be escalated to 100 mg/m 2 at the investigator's discretion on subsequent cycles if the initial dose is well tolerated. After surgery, study patients will receive trastuzumab x 14 cycles using the same formulation (SC or IV) of the preoperative phase.

DRUGDocetaxel

docetaxel (75 mg/m2), every 3 weeks for 4 cycles (both arms). The dose of docetaxel may be escalated to 100 mg/m2 at the investigator's discretion on subsequent cycles if the initial dose is well tolerated.

Sponsors

University Hospital of Parma: Department of Biomedical, Biotechnological and Translational Sciences, Pathological Anatomy and Histology Unit
CollaboratorUNKNOWN
University Hospital of Parma:Laboratory of Viral Immunopathology, Unit of Infectious Diseases and Hepatology
CollaboratorUNKNOWN
University Hospital of Parma:Statistica medica ed epidemiologia clinica-UO Ricerca e Innovazione
CollaboratorUNKNOWN
Clirest s.r.l.
CollaboratorOTHER
Mipharm SpA
CollaboratorUNKNOWN
Arithmos srl
CollaboratorUNKNOWN
Temas srl
CollaboratorUNKNOWN
Gruppo Oncologico Italiano di Ricerca Clinica
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
NONE

Intervention model description

Non comparative, multi-center, open-label, neoadjuvant, randomized study, the purpose of randomization is to reduce bias owing to patient selection into treatments groups.

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Previously untreated, infiltrating primary breast cancer with locally advanced, inflammatory, or early stage tumor (either greater than 2 cm in diameter or node positive) with no evidence of metastatic disease. * HER2 positivity (either immunohistochemistry 3+ or fluorescent in situ hybridization amplification). * Age 18 or older. * Eastern Cooperative Oncology Group performance status of 0 to 1. * Availability of tumor tissue for biologic and molecular examination before starting primary treatment. * Left ventricular ejection fraction within the institutional range of normal. * Normal organ and marrow function. * Adequate contraception methods for women of childbearing potential. * Prior diagnosis of cancer is allowed as long as patient is free of disease and has been off treatment for the prior malignancy for a minimal interval of 3 years. * Written informed consent.

Exclusion criteria

* Either stage I or IV breast cancer. * Prior trastuzumab or pertuzumab. * Any prior chemotherapy. * Treatment with any other investigational agent, or participation in another clinical trial within 28 days prior to enrolment. * Undergone major surgery (e.g., intrathoracic, intra-abdominal or intra-pelvic) 4 weeks prior to starting study drug or who have not recovered from side effects of such surgery. * Breast radiotherapy prior to starting study. * Known hypersensitivity to the investigational drugs or any of their excipients. * Evidence of any disease, neurological or metabolic dysfunction, physical examination finding or laboratory finding giving reasonable suspicion of a disease or condition that contraindicates the use of an GOIRC-01-2016 ImmunHER Protocol Version 1.0, 11 April 2016 Page 6 of 140 investigational drug, or puts the patient at high risk for treatment-related complications. * Moderate/severe hepatic impairment (Child- Pugh B/C). * Uncontrolled inter-current illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements. * Concurrent malignancy or malignancy within 3 years prior to study enrollment, with the exception of adequately treated basal cell carcinoma, squamous cell carcinoma or other non-melanomatous skin cancer, or insitu carcinoma of the uterine cervix. * Pregnancy or breastfeeding (breast feeding should be discontinued to be enrolled in the study). * Women of childbearing potential that refusal to adopt adequate contraceptive measures. * Unwilling or unable to comply with the protocol. -

Design outcomes

Primary

MeasureTime frameDescription
Tumor Infiltrating lymphocites (TIL) rate on residual disease after either IV trastuzumab or SC trastuzumab (see related paragraph)6 months after last patient instromal lymphocytes will be scored quantitatively on H&E stained whole-tumor slides as a continuous variable expressed as stromal percentage area within the tumor boundaries. For tumors with heterogeneous TILs, median values will be calculated from multiple counts from different tumor areas. Intra-epithelial TILs will also be recorded as well as tertiary lymphoid structures. Tumor regression will be scored based on recommended criteria.

Secondary

MeasureTime frameDescription
Associations between biomarkers (TIL, Tumor specific lymphocyte cell activity (TLA), and Fc-gamma-R polymorphisms) and between each biomarker with clinical outcome variables.at baseline, 6 months and 5 years after last patient in
Frequency of toxicity Events: frequency of moderate and severe toxicity events and drop-out rate due to theraphy related toxicity (NCICommon Toxicity Criteria v 4.0)3.5 years
HRQOL during study treatment based on FACT-Bat baseline, and 6 months after last patient inmean FACT-B scores assessed at enrolment and mean FACT-B scores assessed before surgery.
Complete pathological response rate by treatment arm6 months after last patient in
5-year disease-free survival by treatment arm between treatment arms5 years

Countries

Italy

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 24, 2026