UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000008416
Receipt number R000009898
Scientific Title Randomized phase II study of neoadjuvant chemotherapy with or without letrozole for postmenopausal ER-positive/HER2-negative breast cancers
Date of disclosure of the study information 2012/07/16
Last modified on 2020/03/15 14:44:49

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Basic information

Public title

Randomized phase II study of neoadjuvant chemotherapy with or without letrozole for postmenopausal ER-positive/HER2-negative breast cancers

Acronym

KBCOG 10

Scientific Title

Randomized phase II study of neoadjuvant chemotherapy with or without letrozole for postmenopausal ER-positive/HER2-negative breast cancers

Scientific Title:Acronym

KBCOG 10

Region

Japan


Condition

Condition

Postmenopausal breast cancer

Classification by specialty

Breast surgery

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

Evaluate efficacies of neoajuvant chemotherapy with letrozole on patients with psotmenopausal ER-positive and HER2-negative.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Overall Response Rate

Key secondary outcomes

Pathological complete response rate, Breast conserving rate, Safety, Disease-free survival, Overall survival


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

letrozole, 25mg/day, 24 weeks

Interventions/Control_2

without letrozole

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit


Not applicable

Age-upper limit

75 years-old >=

Gender

Female

Key inclusion criteria

1) Stage2A, 2B, 3A, 3B breast cancer
2) Histologically or cytologically confirmed breast cancer
3) Postmenopausal women
4) ER-positive (10% or more cancer cells were positive)
5) HER2-negatie (IHC score 0, 1+, or IHC score 2+ and FISH-negative)
6) 75 years old or less
7) Performance status 0 or 1
8) Breast cancers with evaluable lesion
9) Sufficient organ function meeting following criteria:
(1) Leukocyte > 3000 mm3 or Neutrophil >1500 mm3
(2) Hemoglobin >9.0g/dL
(3) Platelet >100000 mm3
(4) AST (GOT) and ALT(GPT) < 2.5 x upper limit of normal (ULN)
(5) Serum total bilirubin <1.5 mg/dL
(6) Serum creatinine <1.5 mg/dL
(7) Normal electrocardiogram
(8) LVEF is >55% measured by echocardiography or MUGA scan
10) No finding of pneumonitis by Chest CT or X-ray
11) MRI or CT of the breast must be done pre- and post-chemotherapy
12) No prior treatment for breast cancers
13) Signed written informed consent

Key exclusion criteria

1) Inflammatory breast cancer
2) Bilateral breast cancers without DCIS or ICIS
3) With multiple cancers diagnosed with 5 years
4) With uncontrollable hypertension, angina pectoris, congestive heart failure
5) With severe complication including infection or uncontrolled diabetes mellitus
6) With viral hepatitis (HBs antigen- or HCV antibody-positive)
7) Patients treated with endocrine therapy
8) Infection or possible infection associated with clinical symptoms such as fever
9) With severe edema
10) With severe mental disorder
11) Cases who physician judged improper to entry this trial

Target sample size

70


Research contact person

Name of lead principal investigator

1st name Yasuo
Middle name
Last name Miyoshi

Organization

Hyogo College of Medicine

Division name

Breast and Endocrine Surgery

Zip code

663-8501

Address

Mukogawa 1-1, Nishinomiya, Hyogo 663-8501

TEL

0798-45-6374

Email

ymiyoshi@hyo-med.ac.jp


Public contact

Name of contact person

1st name Yasuo
Middle name
Last name Miyoshi

Organization

Kobe Breast Cancer Oncology Group

Division name

Hyogo College of medicine

Zip code

663-8501

Address

Mukogawa 1-1, Nishinomiya, Hyogo 663-8501

TEL

0798-45-6374

Homepage URL


Email

ymiyoshi@hyo-med.ac.jp


Sponsor or person

Institute

Kobe Breast Cancer Oncology Group

Institute

Department

Personal name



Funding Source

Organization

Kobe Breast Cancer Oncology Group

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional Review Board of Hyogo College of Medicine

Address

Mukogawa 1-1, Nishinomiya City

Tel

0798456374

Email

rinri@hyo-med.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2012 Year 07 Month 16 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Terminated

Date of protocol fixation

2012 Year 06 Month 20 Day

Date of IRB

2012 Year 07 Month 07 Day

Anticipated trial start date

2012 Year 07 Month 10 Day

Last follow-up date

2019 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2012 Year 07 Month 12 Day

Last modified on

2020 Year 03 Month 15 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000009898


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name