UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000055219
Receipt number R000063061
Scientific Title Cross-sectional study to assess the penetration of gBRCA1/2 genetic testing within HER2-negative recurrent high-risk early-breast cancer patients (BRCAwareness)
Date of disclosure of the study information 2024/08/11
Last modified on 2024/11/02 09:55:22

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Basic information

Public title

Cross-sectional study to assess the penetration of gBRCA1/2 genetic testing within HER2-negative recurrent high-risk early-breast cancer patients (BRCAwareness)

Acronym

Cross-sectional study on BRCA testing in recurrent high-risk EBC

Scientific Title

Cross-sectional study to assess the penetration of gBRCA1/2 genetic testing within HER2-negative recurrent high-risk early-breast cancer patients (BRCAwareness)

Scientific Title:Acronym

Cross-sectional study on BRCA testing in recurrent high-risk EBC

Region

Japan


Condition

Condition

Recurrent high-risk HER2-negative early-breast cancer

Classification by specialty

Hematology and clinical oncology Breast surgery Adult

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

Adjuvant olaparib in patients with recurrent high-risk HER2-negative early-breast cancer who have gBRCA1/2 pathogenic variant (gBRCA positive) has been reported to improve prognosis and was covered by national insurance in Japan in August 2022. However, olaparib cannot be used without companion diagnostic gBRCA1/2 genetic testing. The exact proportion of gBRCA1/2 genetic testing in patients with recurrent high-risk HER2-negative early breast cancer is not known. The identification of eligible patients is important because it can improve prognosis.

Basic objectives2

Others

Basic objectives -Others

To determine the proportion of gBRCA1/2 genetic testing performed in recurrent high-risk HER2-negative early-breast cancer patients who are candidate to olaparib
To explore factors associated with not taking gBRCA1/2 genetic testing

Trial characteristics_1

Exploratory

Trial characteristics_2

Explanatory

Developmental phase

Not applicable


Assessment

Primary outcomes

Proportion of gBRCA1/2 genetic testing performed

Key secondary outcomes

Factors associated with not taking gBRCA1/2 genetic testing
Proportion of patients with gBRCA1/2 pathogenic variants among those who underwent gBRCA1/2 genetic testing
Proportion of patients initiated on olaparib among gBRCA1/2 pathogenic variant holders
Drug therapy used other than olaparib in gBRCA1/2 pathogenic variant carriers


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

18 years-old <=

Age-upper limit

100 years-old >=

Gender

Male and Female

Key inclusion criteria

All of the following criteria must be met as primary enrollment.
1.Newly diagnosed invasive breast cancer
2.No distant metastasis from the time of diagnosis to surgery
3.18 years or older at the time of diagnosis
4.HER2 negative (Definition of HER2 negative: 0 or 1+ by immunohistochemistry (IHC), or HER2/CEP17 ratio <2.0 and HER2 copy number <6.0 by fluorescence in situ hybridization (FISH))
5.Underwent radical surgery (mastectomy or partial mastectomy) for breast cancer between January 1, 2023 and December 31, 2023
6.Estrogen receptor (ER)-positive (ER-positive cells account for >=1% by IHC)
6-1.Four lymph node metastases (>=pN2) after prior surgery
6-2.Non-pCR (with residual invasive cancer cells) after preoperative chemotherapy
7.ER-negative (ER-positive cells account for <1% by IHC)
7-1.Invasive tumor >2 cm in diameter (>=pT2) or one lymph node metastasis (>=pN1) after prior surgery
7-2.Non-pCR (with residual invasive cancer cells) after preoperative chemotherapy

To proceed to secondary enrollment, patients must have a CPS+EG score of at least 3 points if they meet the following criteria
6.ER-positive and 2.non-pCR after preoperative chemotherapy

Key exclusion criteria

Cases deemed ineligible by the attending physician

Target sample size

700


Research contact person

Name of lead principal investigator

1st name Tomoe
Middle name
Last name Taji

Organization

Hyogo Prefectural Amagasaki General Medical Center

Division name

Department of Breast Surgery

Zip code

660-8550

Address

2-17-77 Higashinaniwa-cyo, Amagasaki, Hyogo, JAPAN

TEL

0664807000

Email

tajit@hp.pref.hyogo.jp


Public contact

Name of contact person

1st name Tomoe
Middle name
Last name Taji

Organization

Hyogo Prefectural Amagasaki General Medical Center

Division name

Department of Breast Surgery

Zip code

660-8550

Address

2-17-77 Higashinaniwa-cyo, Amagasaki, Hyogo, JAPAN

TEL

06-6480-7000

Homepage URL


Email

tajit@hp.pref.hyogo.jp


Sponsor or person

Institute

Hyogo Prefectural Amagasaki General Medical Center

Institute

Department

Personal name



Funding Source

Organization

AstraZeneca

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Kansai Medical University Hospital

Address

2-3-1, Shinmachi, Hirakata, Osaka, JAPAN

Tel

072-804-0101

Email

tajit@hp.pref.hyogo.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

2024 Year 08 Month 11 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

Open public recruiting

Date of protocol fixation

2024 Year 08 Month 05 Day

Date of IRB

2024 Year 10 Month 21 Day

Anticipated trial start date

2024 Year 11 Month 02 Day

Last follow-up date

2025 Year 07 Month 31 Day

Date of closure to data entry

2025 Year 07 Month 31 Day

Date trial data considered complete

2025 Year 12 Month 31 Day

Date analysis concluded

2026 Year 06 Month 30 Day


Other

Other related information

(1) Primary registration
The following items (patient information) will be entered into the EDC (electronic data capture) from the electronic medical record for patients with recurrent high-risk HER2-negative early-breast cancer who underwent surgery between January 1, 2023 and December 31, 2023.
1.Age
2.Gender
3.Treatment strategy (prior surgery or preoperative chemotherapy)
4.Information on clinical stage (cTNM classification)
5.Information on histopathology diagnosis (ER, PgR, HER2, pTNM classification, nuclear or histological grade)
6.Date of surgery
The following items (facility information) will be collected from registered facilities.
7.Number of certified genetic counselors (full-time and part-time)
8.Number of clinical geneticists
9.Number of breast specialists
10.Number of certified breast cancer nurses
11.Description on gBRCA1/2 genetic test
12.Perioperative conferences held or not
13.Number of breast cancer surgeries per year
14.The level of accreditation of JOHBOC
(2) Secondary registration
1.Menopausal status, pregnancy, and childbearing status for women
2.Family history of cancer (breast, ovarian, pancreatic)
3.Past medical history and comorbidities
4.Information on Surgery
5.Information on drug therapy
6.Information on gBRCA1/2 genetic testing (whether test was taken, and the results of those who took the test)
7.Description of gBRCA1/2 genetic testing

The above information will be used to determine the proportion of gBRCA1/2 genetic testing among patients with recurrent high-risk HER2-negative early breast cancer. In addition, we will identify factors associated with not undergoing gBRCA1/2 genetic testing. We will also examine postoperative drug therapy among gBRCA1/2 pathogenic variant carriers.


Management information

Registered date

2024 Year 08 Month 11 Day

Last modified on

2024 Year 11 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000063061