臨床研究等提出・公開システム

Date of registration	Jan. 10, 2023
Last modified on	Jan. 10, 2023
Trial ID	jRCT1020220039

Scientific Title	Risk factors for distant recurrence and timing of recurrence in triple negative breast cancer
Public Title	Risk factors for distant recurrence and timing of recurrence in triple negative breast cancer

Contact for Scientific Queries	Name	Abe Atsumi
	Affiliation	Hirosaki University Hospital
	Address	53 Honcho, Hirosaki City, Aomori
	Telephone	+81-172-33-5111
	E-mail	abe410@hirosaki-u.ac.jp
Contact for Public Queries	Name	Abe Atsumi
	Affiliation	Hirosaki University Hospital
	Address	53 Honcho, Hirosaki City, Aomori
	Telephone	+81-172-33-5111
	E-mail	abe410@hirosaki-u.ac.jp

Recruitment status	Recruiting

Anticipated date of first enrollment		Jan. 10, 2023
Actual date of first enrollment		Dec. 09, 2022
Target sample size		54
Study Type		Observational
Key inclusion & exclusion criteria	Inclusion Criteria	The study will include 54 patients who underwent surgery for a diagnosis of breast cancer between January 2005 and December 2018 and were diagnosed with TN breast cancer by needle biopsy or surgical specimen.
	Exclusion Criteria	Persons who withdrew their consent to participate in this study
	Age Minimum	No limit
	Age Maximum	No limit
	Gender	Both
Health Condition(s) or Problem(s) Studied		Breast cancer
Health Condition(s) Keyword		Triple negative breast cancer, breast cancer, distant recurrence, recurrence timing
Health Condition(s) Code		C04
Primary Outcome(s)		Clinical, surgical and pathological findings
Secondary Outcome(s)		Recurrence date

Primary Sponsor	Hirosaki University Hospital

Secondary Sponsor

Secondary Sponsor

Name of Certified Review Board	Hirosaki University Comprehensive Clinical Research Review Committee
Address	1 Bunkyo-cho, Hirosaki City, Aomori, Aomori
Telephone	+81-172-39-5362
E-Mail	crb-hirosaki@hirosaki-u.ac.jp
Approval Status	Approval
Date of approval	Dec. 09, 2022

Plan to share IPD	No

Countries of Recruitment（Except Japan）	none