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Recruitment status Main results already published
Unique ID issued by UMIN UMIN000007576
Receipt No. R000008931
Scientific Title Investigation of Dual-HER2 Blockage Therapy in HER2-Positive Breast Cancer (exploratory randomized P-II)( JBCRG-16 NeoLath)
Date of disclosure of the study information 2012/03/26
Last modified on 2019/09/05

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Basic information
Public title Investigation of Dual-HER2 Blockage Therapy in HER2-Positive Breast Cancer (exploratory randomized P-II)( JBCRG-16 NeoLath)
Acronym JBCRG-16(Neo-LaTH)
Scientific Title Investigation of Dual-HER2 Blockage Therapy in HER2-Positive Breast Cancer (exploratory randomized P-II)( JBCRG-16 NeoLath)
Scientific Title:Acronym JBCRG-16(Neo-LaTH)

Condition Female patients with operative HER2 positive primary breast cancer
Classification by specialty
Hematology and clinical oncology Breast surgery
Classification by malignancy Malignancy
Genomic information NO

Narrative objectives1 To investigate the efficacy and safety of dual-HER2 blockage therapy in HER2-positive breast cancer.
(1) To evaluate the efficacy and safety of trastuzumab(T) and lapatinib(L) therapy followed by combined with paclitaxel(P) in the neoadjuvant setting
(2) To verify the period of T and L dual anti-HER2 therapy based on efficacy and safety (6 weeks vs 18 weeks).
(3) To verify T and L combined with anti-endocrine therapy based on efficacy and safety in the patients with ER-p0sitive and HER2-positive charactersitics.
Basic objectives2 Efficacy
Basic objectives -Others
Trial characteristics_1 Exploratory
Trial characteristics_2 Explanatory
Developmental phase Phase II

Primary outcomes pCR (including residual DCIS, breast only)
Key secondary outcomes (1) Safety
(2) Clinical response rate (ORR)
(3) Breast conservation rate
(4) QpCR
(5) pCR (including residual DCIS, breast + axillary)
(6) SpCR

Study type Interventional

Study design
Basic design Parallel
Randomization Randomized
Randomization unit Individual
Blinding Open -no one is blinded
Control Active
Stratification YES
Dynamic allocation YES
Institution consideration Institution is considered as adjustment factor in dynamic allocation.
Concealment Central registration

No. of arms 5
Purpose of intervention Treatment
Type of intervention
Interventions/Control_1 Group A: ER-negative
Lapatinib(L)+Trastuzumab(T) 6 weeks
followed by L+T+paclitaxel (P) 12 weeks
Interventions/Control_2 Group B: ER-negative
L+T 18 weeks
followed by L+T+P 12 weeks
Interventions/Control_3 Group C: ER-positive
L+T 6 weeks
followed by L+T+P 12 weeks
Interventions/Control_4 Group D: ER-positive
L+T+anti-hormonal therapy(H) 6 weeks
followed by L+T+H+P 12weeks
Interventions/Control_5 Group E: ER-positive
L+T+H 18 weeks
followed by L+T+H+P 12weeks

Age-lower limit
20 years-old <=
Age-upper limit
70 years-old >=
Gender Female
Key inclusion criteria 1.First key inclusion criteria
(1)Age between 20 and 70 years
(2)Female patients with primary breast cancer which is diagnosed as invasive cancer by needle biopsy or tissue biopsy.
(3)Resectable primary breast cancer (T1c-3N0-1M0) with a tumor size <-7cm in diameter (multiple ipsilateral breast cancer is eligible when at least one lesion meets the eligibility criteria. However, each lesion has to be histologically evaluated).
(4)The invasive component of the primary tumor is confirmed as HER2 positive (IHC 3+ or FISH+)
(5) ER and PgR statuses are confirmed by IHC
(6) no previous therapy for breast cancer
(7) Pt has been confirned as suitable indication for primary systemic therapy
(8)The primary lesion allows imaging evaluation at baseline and after the end of study treatment using the same modality either CT scan, MRI or ultrasonography.
(9) Written informed concents

2. Secondary criteria
By the pathological central review, HER2-positive invasive ductal carcionma has been confirmed.
(1) ECOG performance status (PS) 0-1
(2) Laboratory test results meet the following criteria (within 14 days before registration)
neutrophil count: =>1,500/mm3
Hemoglobin: => 9.0g/dL
Platelet count: =>100,000/mm3
AST and ALT: <= 2.5 x upper limit of normal (ULN) established at site
ALP: <= 2.5 x ULN
Total bilirubin: <= 1.5 x ULN
Serum creatinine: <= 1.5 x ULN
(3) Baseline left ventricular ejection fraction (LVEF) => 50% measured by echocardiography or MUGA scan.
(4) No QTc prolongation by electrocardiography (ECG) (QTc: <=470 msec)
(5) No interstitial pneumonia or pulmonary fibrosis diagnosed by chest CT scan
(6) In screening for hepatitis B, determinations of HBsAg is negative
(7) If a patient's postmenopausal status cannot be confirmed, her pregnancy test must be negative (urinary or serum HCG negative) (excluding ovariectomized or hysterectomized patients)
Key exclusion criteria (1)History or drug hypersensitivity that is relevant for the treatment in the study (i.e., past history of immediate or delayed hypersensitivity reaction to compounds chemically similar to lapatinib and its excipients)
(2)Uncontrolled concurrent disease
(3)Active infection, or pyrexia that indicates suspected infection
(4)Symptoms of varicella
(5)Pleural or pericardial effusion requiring treatment
(6)Past gastric or small bowel resection, or malabsorption or gastrointestinal dysfunction, except for ulcerative colitis
(7)Use of concomitant medication (e.g, CYP3A4 inhibitors/inducers) or non-drug therapy prohibited
(8)Current chronic use of systemic corticosteroids; in ER-positive patients, current treatment with any drug product containing estrogen or any selective estrogen receptor modulator
(9)Dementia or past history of serious psychiatric disease or current treatment for such a disease
(10)Bilateral breast cancer whether synchronous or metachronous. Patients who had lobular carcinoma in situ [LCIS] in the contralateral breast may be enrolled.
(11)Patients with multiple cancer except for adequately treated noninvasive cancer (DCIS/LCIS), nonmelanoma skin cancer, cervical cancer, thyroid cancer, early gastric cancer and early colorectal cancer. Lesions consistent with carcinoma in situ or intramucosal carcinoma that have been considered cured by local treatment are not included in multiple cancer.
(12)Prior treatment with taxane anticancer drugs
(13)Pregnant, lactating or women of childbearing potential
(14)Participation in another clinical trial
(15)Patients otherwise considered ineligible for enrollment in the study by the investigator

Target sample size 200

Research contact person
Name of lead principal investigator
1st name Masakazu
Middle name
Last name Toi
Organization Graduate School of Medicine Kyoto University
Division name Department of Surgery (Breast Surgery)
Zip code 606-8507
Address 54 Kawara-cho, Shogoin, Sakyo-ku, Kyoto, Japan
TEL 075-751-3660

Public contact
Name of contact person
1st name Hiroi
Middle name
Last name Kasai
Organization Kyoto University Hospital
Division name Translational Research Center
Zip code 606 8507
Address 54 Kawara-cho, Shogoin, Sakyo-ku, Kyoto, Japan
TEL 075-751-4722
Homepage URL

Institute Japan Breast Cancer Research Group(JBCRG)

Funding Source
Organization GlaxoSmithKline K.K.
Category of Funding Organization Profit organization
Nationality of Funding Organization Japan

Other related organizations
Name of secondary funder(s)

IRB Contact (For public release)
Organization N/A
Address N/A
Tel N/A
Email N/A

Secondary IDs
Secondary IDs NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW 初回届出年月日:2002年9月6日 届出回数:15回

Institutions 独立行政法人国立病院機構 大阪医療センター(大阪府)
愛知県がんセンター中央病院 乳腺科部(愛知県)
独立行政法人国立病院機構 九州がんセンター(福岡県)
独立行政法人国立病院機構 四国がんセンター(愛媛県)
国家公務員共済組合連合会 虎の門病院(東京都)
独立行政法人国立病院機構 呉医療センター・中国がんセンター(広島県)

Other administrative information
Date of disclosure of the study information
2012 Year 03 Month 26 Day

Related information
URL releasing protocol
Publication of results Partially published

URL related to results and publications
Number of participants that the trial has enrolled 246
Poster:14th St.Gallen Breast Cancer Conference(2015)
Symposia:The 23rd Annual Meeting of the Japanese Breast Cancer Society(2015)
Results date posted
2019 Year 09 Month 05 Day
Results Delayed
Delay expected
Results Delay Reason Additional publication is awaiting.
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events
Outcome measures
Plan to share IPD
IPD sharing Plan description

Recruitment status Main results already published
Date of protocol fixation
2011 Year 12 Month 16 Day
Date of IRB
2011 Year 12 Month 16 Day
Anticipated trial start date
2012 Year 03 Month 26 Day
Last follow-up date
2013 Year 09 Month 30 Day
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Other related information

Management information
Registered date
2012 Year 03 Month 26 Day
Last modified on
2019 Year 09 Month 05 Day

Link to view the page

Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name

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