Comparison of local anesthetic agents, ropivacaine and levobupivacaine, for ultrasound-guided nerve blocks.

Comparison of local anesthetic agents, ropivacaine and levobupivacaine, for ultrasound-guided nerve blocks. - Comparison of ultrasound-guided nerve blocks using ropivacaine and levobupivacaine.

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000006715

Enrollment

100

Registered

2011-11-14

Start date

2011-10-01

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

diseases that require surgery in the upper and lower extremities

Interventions

Ropivacaine is adminitered for ultrasound-guided nerve blocks. Levobupivacaine is adminitered for ultrasound-guided nerve blocks.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing surgery in upper or lower extremities.

Exclusion criteria

Exclusion criteria: patients with a history of diabetes mellitus, neurologic disease, infections at the site of injection, and who require general anesthesia

Design outcomes

Primary

Measure	Time frame
Time required for onset of sensory and motor blocks and duration	—

Secondary

Measure	Time frame
Quality of anesthesia and amount of analgesics administered during surgery, percentage of patients requiring general anesthesia, and postoperative complications.	—

Countries

Japan

Contacts

Public ContactSakura Sinichi

Shimane University, Faculty of medecine, Univesity hospital Surgical Center

ssakura@med.shimane-u.ac.jp0853-20-2295

Outcome results

None listed

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