臨床研究等提出・公開システム

Date of registration	June. 18, 2025
Last modified on	June. 18, 2025
Trial ID	jRCT1030250170

Scientific Title	Incidence of Connected Consciousness During Propofol-Based General Anesthesia (BIS<50): A Prospective Cohort Study
Public Title	How Often Are Patients Still Aware Under Deep Propofol Anesthesia? - A Study on Connected Consciousness with BIS Below 50

Contact for Scientific Queries	Name	Musashi Yahagi
	Affiliation	Hitachi General Hospital
	Address	Hitachi Jonancho 2-1-1
	Telephone	+81-294-23-1111
	E-mail	musasum0710@yahoo.co.jp
Contact for Public Queries	Name	Yahagi Musashi
	Affiliation	Hitachi General Hospital
	Address	Hitachi Jonancho 2-1-1
	Telephone	+81-294231111
	E-mail	musasum0710@yahoo.co.jp

Recruitment status	Pending


Anticipated date of first enrollment		Oct. 01, 2025
Actual date of first enrollment		Oct. 01, 2025
Target sample size		100
Study Type		Observational
Study Design	allocation	non-randomized controlled trial
	masking	single blind
	control	uncontrolled control
	assignment	factorial assignment
	purpose	prevention purpose
Key inclusion & exclusion criteria	Inclusion Criteria	adalt patients over 18yo
	Exclusion Criteria	emargency surgery
	Age Minimum	18age old over
	Age Maximum	75age old under
Health Condition(s) or Problem(s) Studied		surgery undergoing general anesthesia
Health Condition(s) Keyword		propofol, conected consiousness, general anesthesia, bispectral index
Primary Outcome(s)		Intraoperative connection Consciousness, Brice questionnaire

Primary Sponsor	none

Secondary Sponsor

Secondary Sponsor

Name of Certified Review Board	Hitachi General Hospital IRB
Address	Hitachi Jonancho 2-1-1, Ibaraki
Telephone	+81-294-23-1111
E-Mail	musasum0710@yahoo.co.jp
Date of approval	June. 17, 2025

Plan to share IPD	No

Countries of Recruitment（Except Japan）	none