A comparative study of the discontinuation rate of Intravenous patient-controlled analgesia used after posterior spinal fusion surgery with intraoperative ondansetron administration. 1

A comparative study of the discontinuation rate of Intravenous patient-controlled analgesia used after posterior spinal fusion surgery with intraoperative ondansetron administration. A - A comparative study of the discontinuation rate of Intravenous patient-controlled analgesia used after posterior spinal fusion surgery with intraoperative ondansetron administration. B

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000054614

Enrollment

Registered

2024-06-10

Start date

2024-04-01

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

posterior spinal fusion surgery

Interventions

Anesthesia is administered by inhalation with sevoflurane and remifentanil. Fentanyl 9 mcg/kg and acetaminophen 15 mg/kg are administered as intraoperative analgesics. Transvenous patient-controlled a

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: ASA-1 or 2 phyisical status patients undergoing posterior spinal fusion between 1 or 2 vertebrae from the date of approval by the Ethics Review Committee in 2024 and the date of the Institutional Director's approval until March 31, 2025.

Exclusion criteria

Exclusion criteria: 1. Asthma 2. Long QT syndrome 3. Patients who did not give consent

Design outcomes

Primary

Measure	Time frame
the discontinuation rate of transvenous patient-controlled analgesia	—

Countries

Japan

Contacts

Public ContactSoejima Yuki

Nagasaki rosai hospital Anesthesiology

yukisoejima08@gmail.com09020869792

Outcome results

None listed

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