Neoadjuvant Trastuzumab and Letrozole for Postmenopausal Women
HERAKLES
A Phase II Trial of Preoperative HER2 Targeting and Endocrine Therapy in Postmenopausal Women With HER2 and HR Positive Breast Cancer
1 other identifier
interventional
132
1 country
14
Brief Summary
The purpose of this study is to evaluate whether trastuzumab and letrozole are effective and safe in the preoperative treatment for postmenopausal patients with hormone receptor-positive and HER2-positive breast cancer.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2 breast-cancer
Started Mar 2015
Typical duration for phase_2 breast-cancer
14 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 5, 2014
CompletedFirst Posted
Study publicly available on registry
August 12, 2014
CompletedStudy Start
First participant enrolled
March 1, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2019
CompletedFebruary 15, 2018
February 1, 2018
4 years
August 5, 2014
February 13, 2018
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The rate of pathologic complete response
No residual invasive cancer in breast regardless of axilla
At time of surgery
Secondary Outcomes (6)
Clinical Response Rate
At time of surgery
Safety profiles for the preoperative use of concurrent trastuzumab and letrozole
Up to 3 months after surgery
The rate of breast conservative surgery
Up to 3 weeks after surgery
Total pathologic complete response (tpCR)
At time of surgery
Analysis of biomarkers based on baseline specimen and residual tumor
Baseline and at time of surgery
- +1 more secondary outcomes
Study Arms (1)
Trastuzumab and Letrozole
EXPERIMENTAL\- Concurrently initiate two drugs on Day 1 of Cycle 1
Interventions
\- Eight times IV administration of trastuzumab per 3 weeks * Trastuzumab 8mg/kg on Day 1 of Cycle 1 * Trastuzumab 6mg/kg from Day 1 of Cycle 2 to Day 1 of Cycle 8
\- Daily letrozole 2.5 mg/day for 24 weeks
Eligibility Criteria
You may qualify if:
- Invasive cancer (clinical stage IB-IIIC)
- Measurable tumor larger than 1cm
- ECOG status 0 or 1
- Postmenopausal women
- Age ≥55 years and amenorrhea
- Age \<55 years and amenorrhea for ≥12 months with FSH \>30 mIU/ml
- HER2 positive tumor
- positive on IHC
- positive on IHC with HER2 gene amplification on FISH or SISH using a single-probe or dual-probe
- Estrogen receptor positive tumor
- Positive ER expression with Allred score more than PS3/TS8 or modified Allred score more than PS4/TS7
- Eligible cardiac function
- Normal heard evaluated by ECG
- Consider clinically non-significant arrythmia and ischemic change as normal
- LVEF ≥ 55% measured by ECHO or MUGA scan
You may not qualify if:
- Inflammatory breast cancer
- Bilateral breast cancer
- Patients with previous breast cancer history
- Patients with previous breast cancer treatment: Generally include hormone therapy, chemotherapy, and radiotherapy)
- Patients having uncontrolled heart problems
- Ischemic heart disease within 6 months
- Congestive heart failure more than NYHA class II
- Unstable angina
- Clinically significant pericarditis
- Amyloid heart disease
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Gangnam Severance Hospitallead
- Seoul National University Hospitalcollaborator
- Severance Hospitalcollaborator
- Samsung Medical Centercollaborator
- Asan Medical Centercollaborator
Study Sites (14)
Hallym University Sacred Heart Hospital
Anyang, South Korea
Inje University Pusan Paik Hospital
Busan, South Korea
Dankook University Hospital
Cheonan, South Korea
Ilsan Paik Hospital
Goyang, South Korea
National Cancer Center
Goyang, South Korea
Gangnam Severance Hospital
Seoul, 135720, South Korea
Asan Medical Center
Seoul, South Korea
Kangbuk Samsung Hospital
Seoul, South Korea
Korea Institute of Radiological and Medical Sciences
Seoul, South Korea
Korea University Anam Hospital
Seoul, South Korea
Samsung Medical Center
Seoul, South Korea
Seoul Medical Center
Seoul, South Korea
Seoul National University Hospital
Seoul, South Korea
Ajou University School of Medicine
Suwon, South Korea
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Joon Jeong, M.D.,Ph.D.
Gangnam Severance Hospital
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
August 5, 2014
First Posted
August 12, 2014
Study Start
March 1, 2015
Primary Completion
March 1, 2019
Study Completion
June 1, 2019
Last Updated
February 15, 2018
Record last verified: 2018-02