The study of the effect of intra-operative high-dose remifentanyl infusion on the threshold of post-operative pain

The study of the effect of intra-operative high-dose remifentanyl infusion on the threshold of post-operative pain - The study of the effect of intra-operative high-dose remifentanyl infusion on the threshold of post-operative pain

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000010918

Enrollment

Registered

2013-06-10

Start date

2013-06-10

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

Adult patients scheduled for total hip arthroplasty

Interventions

Intra-operative high-dose remifentanil infusion Intra-operative normal-dose remifentanil infusion

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Adult patients scheduled for primary unilateral total hip arthroplasty at Yokohama City University Hospital.

Exclusion criteria

Exclusion criteria: ASA class 3 and 4, Emergency operations, Pre-operative regular use of opioids, eGFR<=50, BMI>=35.

Design outcomes

Primary

Measure	Time frame
Post-operative total dose of fentanyl and frequency of fentanyl bolus using IV-PCA device	—

Secondary

Measure	Time frame
VAS scale after surgery QoR40 score after surgery	—

Countries

Japan

Outcome results

None listed

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