臨床研究等提出・公開システム

Date of registration	May. 11, 2026
Last modified on	May. 11, 2026
Trial ID	jRCT1030260122

Scientific Title	Leveraging Electronic Health Record Data to Build a Case Database and Elucidate Real-World Cancer Treatment Patterns
Public Title	Leveraging Electronic Health Record Data to Build a Case Database and Elucidate Real-World Cancer Treatment Patterns

Contact for Scientific Queries	Name	Yoshimoto Seiichi
	Affiliation	National Cancer Center Hospital
	Address	5-1-1, Tsukiji, Chuo-ku, TOKYO, JAPAN
	Telephone	+81-3-3542-2511
	E-mail	seyoshim@ncc.go.jp
Contact for Public Queries	Name	MUKAI Masami
	Affiliation	National Cancer Center Hospital
	Address	5-1-1, Tsukiji, Chuo-ku, TOKYO, JAPAN
	Telephone	+81-3-3542-2511
	E-mail	mmukai@ncc.go.jp

Recruitment status	Pending

Anticipated date of first enrollment		May. 11, 2026
Target sample size		2500
Study Type		Observational
Study Design	allocation	single arm study
	masking	open(masking not used)
	control	uncontrolled control
	assignment	factorial assignment
	purpose	health services research
Key inclusion & exclusion criteria	Inclusion Criteria	Patients diagnosed with lung cancer, with an index date between January 1, 2019 and December 31, 2023
	Exclusion Criteria	1)Patients whose primary diagnosis is represented by fewer than 10 cases in the database 2)Patients who have explicitly opted out after reviewing the publicly available study information 3)Patients considered ineligible for participation at the discretion of the principal investigator or responsible investigator
	Age Minimum	No limit
	Age Maximum	No limit
	Gender	Both
Health Condition(s) or Problem(s) Studied		lung cancer
Health Condition(s) Keyword		read world data, lung cancer, patient history
Health Condition(s) Code		Lung Neoplasms
Primary Outcome(s)		To analyze real-world (clinical) data and assess the completeness and validity of the following domains: -Patient characteristics -Treatment patterns and outcomes, including effectiveness and safety

Primary Sponsor	Chugai Pharmaceutical

Source of Monetary Support	Chugai Pharmaceutical
Secondary Sponsor	Not applicable

Name of Certified Review Board	National Cancer Center Hospital Certified Review Board
Address	5-1-1, Tsukiji, Chuo-ku, Tokyo
Telephone	+81-3-3542-2511
E-Mail	ncch-irb@ml.res.ncc.go.jp
Approval Status	Approval
Date of approval	April. 21, 2026

Plan to share IPD	No

Countries of Recruitment（Except Japan）	none