A clinical study investigating a relationship between the change in pupil size during an administration of remifentanil and hemodynamic change after an induction.

A clinical study investigating a relationship between the change in pupil size during an administration of remifentanil and hemodynamic change after an induction. - A clinical study investigating a relationship between the change in pupil size during an administration of remifentanil and hemodynamic change after an induction.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000015718

Enrollment

Registered

2014-11-18

Start date

2014-11-18

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 who will have elective surgery

Interventions

Administrations of remifentanil and propofol

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who will have elective surgery Patients are ASA 1 or 2

Exclusion criteria

Exclusion criteria: Insufficient measurement Patients who has eye disease Patients who refuse to participate this study Patients who take be-ta blocker

Design outcomes

Primary

Measure	Time frame
Relationship between pupil size and hemodynamic parameters after an induction	—

Secondary

Measure	Time frame
Number of patients needed Atropine or Ephedrine	—

Countries

Japan

Contacts

Public ContactTakahiro Tadokoro

University of the Ryukyus Hospital Department of Anesthesiology

rover2727@yahoo.co.jp0988953331

Outcome results

None listed

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