UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000002655
Receipt number R000003230
Scientific Title Multicenter retrospective study for identification of risk factors of ipsilateral breast tumor recurrence in breast cancer patients treated with breast conserving therapy after neoadjuvant chemotherapy
Date of disclosure of the study information 2009/10/31
Last modified on 2010/10/21 13:38:19

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Basic information

Public title

Multicenter retrospective study for identification of risk factors of ipsilateral breast tumor recurrence in breast cancer patients treated with breast conserving therapy after neoadjuvant chemotherapy

Acronym

Retrospective study of risk factors of in-breast recurrence in women treated with neoadjuvant chemotherapy

Scientific Title

Multicenter retrospective study for identification of risk factors of ipsilateral breast tumor recurrence in breast cancer patients treated with breast conserving therapy after neoadjuvant chemotherapy

Scientific Title:Acronym

Retrospective study of risk factors of in-breast recurrence in women treated with neoadjuvant chemotherapy

Region

Japan


Condition

Condition

breast cancer

Classification by specialty

Breast surgery

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

Identification of risk factors of ipsilateral breast tumor recurrence in breast cancer patients treated with breast conserving therapy after neoadjuvant chemotherapy

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

ipsilateral breast tumor recurrence rate

Key secondary outcomes



Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


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


Not applicable

Gender

Female

Key inclusion criteria

1. patients who started neoadjuvant chemotherapy before January 1, 2007
2. patients who had a breast cancer of 2 cm or larger by palpation
3. patients who recieved neoadjuvant chemotherapy of 3 courses or more
4. patients who experienced partial mastectomy, and axillary dissection or sentinel node biospy
5. patients who had radiotherapy at least for the breast

Key exclusion criteria

1. inflammatory breast cancer
2. non-invasive breast cancer
3. male breast cancer
4. patients with distant metastasis at diagnosis except for metastasis of supraclavicular lymph node or parasternal lymph node
5. patients treated with trastuzumab prior to surgery
6. patients treated with radiotherapy prior to surgery
7. patients treated with endocrine therapy
8. patients who received excisional biopsy prior to neoadjuvant chemotherapy

Target sample size

300


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Shozo Ohsumi

Organization

National Hospital Organization Shikoku Cancer Center

Division name

Breast Oncology

Zip code


Address

Kou 160, Minami-umemoto-machi, Matsuyama

TEL

089-999-1111

Email



Public contact

Name of contact person

1st name
Middle name
Last name Shozo Ohsumi

Organization

National Hospital Organization Shikoku Cancer Center

Division name

Breast Oncology

Zip code


Address

Kou 160, Minami-umemoto-machi, Matsuyama

TEL

089-999-1111

Homepage URL


Email

sosumi@shikoku-cc.go.jp


Sponsor or person

Institute

Study Group for Development of Optimal Local Therapy for Breast Cancer based on the Risk of Recurrence

Institute

Department

Personal name



Funding Source

Organization

a Grant-in-Aid in Research of Cancer from the Ministry of Health, Labor and Welfare of Japan (21-7-4)

Organization

Division

Category of Funding Organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



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

2009 Year 10 Month 31 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

Completed

Date of protocol fixation

2009 Year 10 Month 21 Day

Date of IRB


Anticipated trial start date

2009 Year 11 Month 01 Day

Last follow-up date

2010 Year 05 Month 01 Day

Date of closure to data entry

2010 Year 05 Month 01 Day

Date trial data considered complete

2010 Year 05 Month 01 Day

Date analysis concluded

2010 Year 06 Month 01 Day


Other

Other related information

age at diagnosis and date of birth
menopausal status
clinical T-stage (tumor diameter by palpation)
clinical N-stage
administered regimen and number of cycles of neoadjuvant chemotherapy
postoperative chemotherapy
postoperative endocrine therapy
use of adjuvant trastuzumab
type of surgery
site(s) of radiotherapy and dose
biopsy prior to neoadjuvant chemotherapy
pathological type in biopsy materials
nuclear or histological grade in biopsy materials
hormone receptor status in biopsy materials
HER2 status in biopsy materials
size of the remaining tumor by palpation
size of pathologically remaining invasive tumor
solitary or multifocal
pathological status of the surgical margins
lymph vessel or vascular involvement
nuclear or histological grade
hormone receptor status
HER2 status
pathological lymph node status
pathological response
whether remaining tumor is DCIS alone
date of the start of neoadjuvant chemotherapy
date of the definitive surgery
status of survival
status of in-breast recurrence
status of recurrence other than in-breast recurrence


Management information

Registered date

2009 Year 10 Month 21 Day

Last modified on

2010 Year 10 Month 21 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000003230


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name