Neoadjuvant Aromatase Inhibitor(AI) With Ovarian Suppression Versus Chemotherapy in Premenopausal Breast Cancer Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE3

Total Enrollment

21 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-03-31

Study Completion Date

2019-03-31

Brief Summary

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To compare the efficacy and safety of neoadjuvant aromatase inhibitor plus ovarian suppression with chemotherapy in premenopausal patients with hormone receptor-positive breast cancer.

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Detailed Description

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Neoadjuvant therapy is nowadays the standard treatment for both early stage and locally advanced breast cancer, and exhibited similar benefit compared with adjuvant therapy in terms of disease free and overall survival. Patients achieved pathological complete response(pCR) after neoadjuvant chemotherapy have superior outcome compared with those with residual tumors in breast and/or axilla. pCR is now the most wildly accepted surrogate marker for long-term survival of patients, especially in those with triple negative or human epidermal growth factor receptor-2(HER2)-positive breast cancer. However, in luminal HER2-negative breast cancer, neoadjuvant chemotherapy is not as effective as in other subtypes of breast cancer, pCR is less noted and seems barely correlated to long-term survival benefit.

In postmenopausal patients with hormone receptor-positive breast cancer, neoadjuvant endocrine therapy of aromatase inhibitor achieved similar clinical response rate compared with neoadjuvant chemotherapy, and in premenopausal hormone receptor-positive, HER2-negative breast cancer patients, neoadjuvant aromatase inhibitor plus ovarian function suppression(OFS) has showed more pronounced efficacy than tamoxifen plus OFS.

In adjuvant setting, aromatase inhibitor combined with OFS in premenopausal patients with hormone receptor-positive breast cancer has demonstrated superior benefit in terms of disease free survival, and has been established as one of the routine options of adjuvant endocrine therapy. Notwithstanding the remarkable performance of combination of aromatase inhibitor and OFS in adjuvant therapy, the role of this treatment strategy in neoadjuvant setting has yet not been proved when compared with neoadjuvant chemotherapy.

The aim of this study is to prospectively compare the efficacy and safety of neoadjuvant aromatase inhibitor plus OFS with chemotherapy in premenopausal patients with hormone receptor-positive HER2-negative breast cancer.

Conditions

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Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Neoadjuvant endocrine therapy

Six months of exemestane or anastrozole plus goserelin.

Group Type EXPERIMENTAL

Neoadjuvant endocrine therapy

Intervention Type DRUG

Goserelin: 3.6mg, d1, hypodermic injection , q28d\*7 plus exemestane: 25mg, po, qd\*24w, or anastrozole: 1mg, po, qd\*24w

Neoadjuvant chemotherapy

Six cycles of docetaxel plus epirubicin and cyclophosphamide(TEC).

Group Type ACTIVE_COMPARATOR

Neoadjuvant chemotherapy

Intervention Type DRUG

Docetaxel: 75mg/m2, d1, q3w\*6, Epirubicin 75mg/m2, d1, q3w\*6 and Cyclophosphamide: 500mg/m2, d1, q3w\*6

Interventions

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Neoadjuvant endocrine therapy

Goserelin: 3.6mg, d1, hypodermic injection , q28d\*7 plus exemestane: 25mg, po, qd\*24w, or anastrozole: 1mg, po, qd\*24w

Intervention Type DRUG

Neoadjuvant chemotherapy

Docetaxel: 75mg/m2, d1, q3w\*6, Epirubicin 75mg/m2, d1, q3w\*6 and Cyclophosphamide: 500mg/m2, d1, q3w\*6

Intervention Type DRUG

Other Intervention Names

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Goserelin and AI TEC

Eligibility Criteria

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Inclusion Criteria

1. Written informed consent
2. Women aged ≥ 18 years
3. Histologically confirmed invasive breast cancer
4. American Joint Committee on Cancer (AJCC) stage: ⅡA-ⅢC, no evidence of metastasis
5. At least one measurable disease in breast and/or axilla
6. ER and/or progesterone receptor(PgR) positive(≥10% of the cells by IHC)
7. HER2 negative(by IHC and/or FISH)
8. Premenopause status (estradiol in premenopausal range or with normal menstrual cycle in the past 6 months with no use of hormonal drugs)
9. Eastern Cooperative Oncology Group（ECOG）score 0-1, an estimated life expectancy of at least 12 months
10. Adequate bone marrow function: Leukocyte ≥ 3.0\*109/L; Neutrophil ≥ 1.5\*109/L; Hb ≥ 100g/L; Platelet(PLT） ≥ 80\*109/L
11. Adequate liver, renal function and coagulation function: Alanine transaminase（ALT） and/or Aspartate transaminase（AST）≤ 1.5 upper normal limit（UNL）, total bilirubin ≤upper normal limit, creatinine ≤ 110umol/L, Creatinine clearance \> 60ml/min, blood urea nitrogen（BUN） ≤ 7.1mmol/L, activated partial thromboplastin time（APTT） ≤ 1.5 upper normal limit（UNL）
12. Women with child-bearing potential must have a negative pregnancy test (urine or serum) within 7 days of drug administration and agree to use an acceptable method of birth control to avoid pregnancy for the duration of the study
13. Serological records of hepatitis B virus（HBV）and hepatitis C virus（HCV） testing.

Exclusion Criteria

1. Stage IV breast cancer
2. Prior systemic or loco-regional treatment of breast cancer
3. Any anti-neoplastic treatment within 28 days before the beginning of study
4. Known severe hypersensitivity to any drugs in this study
5. History of malignancy within 5 years except carcinoma in situ of cervix or skin basal cell carcinoma that had received adequate treatment
6. Peripheral neuropathy ≥ 2°, according to National Cancer Institute(NCI) Common Terminology Criteria for Adverse Events(CTCAE)(Version 4.0)
7. Any cardiac or pulmonary dysfunction defined as following:

(1) ≥ 3° symptomatic congestive heart failure (CHF) according to NCI CTCAE(Version 4.0) or ≥ 2° CHF according to New York Heart Association（NYHA）

(2) Angina that needs anti-anginal drugs, advanced conduction abnormality or significant vascular disease

(3) Uncontrolled high-risk arrhythmia: atrial tachycardia that silent heart rate \>100/min, significant ventricular arrythmia or advanced atrioventricular block(2° type II atrioventricular or 3° atrioventricular block)

(4) Poorly controlled hypertension (systolic BP \> 180 mmHg or diastolic BP \> 100 mmHg)

(5) Transmural myocardial infarction in EKG

(6) Long-term oxygen therapy

8\. Uncontrolled severe systemic disease(clinically significant cardiovascular disease，pulmonary disease or metabolic disease, wound healing disorder, ulcer, severe infection)

9\. Pregnant or breast feeding

10\. Major operation, obvious trauma within 28 days before randomization or planned major operation during the study

11\. Known active hepatic disease due to hepatitis B virus, hepatitis C virus, auto-immune liver disease or sclerosing cholangitis

12\. Known HIV infection

13\. Any reasons investigators consider that not suitable for the study

Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No