Measurement and simulation of the blood level of the fentanyl during anesthesia

Measurement and simulation of the blood level of the fentanyl during anesthesia - Measurement and simulation of the blood level of the fentanyl

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000005110

Enrollment

Registered

2011-02-21

Start date

2011-02-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients undergoing mastectomy and endoscopic prostatectomy under general anesthesia

Interventions

Fentanyl is administered during anesthesia

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing mastectomy and endoscopic prostatectomy who met the criteria of the American Society of Anesthesiologists physical status of 1-2

Exclusion criteria

Exclusion criteria: ASA physical status >=3, Obesity (BMI>30), Height>=180cm, Weight>=80Kg

Design outcomes

Primary

Measure	Time frame
To compare the blood level of the fentanyl with that predicted by simulation and to confirm the accuracy of the simulation	—

Secondary

Measure	Time frame
To assess the postoperative analgesia with the blood level of the fentanyl	—

Countries

Japan

Contacts

Public ContactYoshihito Fujita

Nagoya City University Graduate School of Medical Sciences Department of Anesthesiology and Medical Crisis Management

fujitayoshihito@yahoo.co.jp052-851-5511

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026