Study Stopped
Due to slower than anticipated enrollment, the study was terminated early after 78 patients were recruited.
12 weekS Adjuvant dOcetaxel Plus trastuzumaB in Patients With Small, Node-negative, HER2-positive Breast cancER (SOBER)
SOBER
1 other identifier
interventional
78
1 country
1
Brief Summary
This phase II trial aims to study the efficacy and safety of 12 weeks adjuvant docetaxel plus trastuzumab in patients with tumors ≤1cm, node-negative, HER2-positive breast cancer.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2 breast-cancer
Started Dec 2017
Longer than P75 for phase_2 breast-cancer
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 5, 2017
CompletedFirst Posted
Study publicly available on registry
December 11, 2017
CompletedStudy Start
First participant enrolled
December 30, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2025
CompletedSeptember 23, 2026
August 1, 2026
6.5 years
December 5, 2017
September 20, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Disease-free Survival
Disease-free survival is defined as the time from the date of surgery to the first appearance of one of the following: breast cancer in situ or invasive breast cancer recurrence at local, regional, or distant site, invasive contralateral breast cancer, second (non-breast) invasive cancer, or death without cancer event; or censored at date of last follow-up.
3-year estimates
Secondary Outcomes (4)
Breast Cancer Specific Survival
3-year estimates
Overall Survival
3-year estimats
Treatment-related adverse events
up to 4 months
Change of LVEF after treatment
up to 4 months
Study Arms (1)
Experimental Arm
EXPERIMENTAL12 weeks adjuvant docetaxel plus trastuzumab
Interventions
Trastuzumab is administered at a loading dose of 8 mg/kg IV followed by 6 mg/kg every 21 days for 4 cycles.
Eligibility Criteria
You may qualify if:
- Women aged ≥18 years
- Have finished radical operation
- Pathologically confirmed dignosis of infiltrating primary breast cancer
- According to AJCC ,pT≤1cm, pN0,no evidence for metastasis
- Operation specimens are available for ER, progesterone receptor (PR) and Her2 detection, patients should be Her2 positive tumor (3+ by IHC or FISH+ )
- Has Eastern Cooperative Oncology Group (ECOG) Performance Score 0-1,expected survival time \> 12 months
- Adequate bone marrow function,adequate liver and renal function,and adequate coagulation function.
- Women with potential child-bearing must have a negative pregnancy test (urine or serum) within 7 days of drug administration and agree to use an acceptable and effective method of contraception to avoid pregnancy during the study.
- Written informed consent according to the local ethics committee requirements.
You may not qualify if:
- pT\>1cm or node positive
- Metastatic breast cancer
- Any prior systemic or loco-regional treatment of breast cancer, including chemotherapy in 28 days
- With a history of malignant tumor except uterine cervix cancer in situ or skin basal cell carcinoma
- Patients with medical conditions that indicate intolerant to adjuvant chemotherapy and related treatment, including severe infection, coagulation disorder,active peptic ulcer, coagulation disorder, connective tissue disease or myelo-suppressive disease
- Has symptomatic peripheral neuropathy \> grade 2 according to NCI
- Known severe allergy to any drugs in this study
- Has cadiac Dysfunction or lung dysfunction defined as follows:
- grade ≥3 CHF according to NCI CTCAE v 4.0 or NYHA≥II
- angina which requires drug control ,cardiac infraction,and any other vascular disease with apparent clinical symptoms
- uncontrolled high-risk arryhthmia
- unconrolled hypertension
- Has active hepatitis B or hepatitis C with abnormal liver function tests (LFTs) or is known to be HIV positive
- Patient is pregnant or breast feeding
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Ruijin Hospitallead
Study Sites (1)
Ruijin Hospital
Shanghai, Shanghai Municipality, 200025, China
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Li Zhu, doctor
Shanghai Jiao Tong University School of Medicine
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
December 5, 2017
First Posted
December 11, 2017
Study Start
December 30, 2017
Primary Completion
July 1, 2024
Study Completion
October 1, 2025
Last Updated
September 23, 2026
Record last verified: 2026-08
Data Sharing
- IPD Sharing
- Will not share