The efficacy and safety of peripheral nerve block: a randomized controlled study

The efficacy and safety of peripheral nerve block: a randomized controlled study - The efficacy and safety of peripheral nerve block: a randomized controlled study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000012133

Enrollment

200

Registered

2013-10-29

Start date

2013-10-30

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

Laparoscopic surgery

Interventions

0.5 % ropivacaine 30ml, rectus sheath block 0.5 % ropivacaine 30ml, transversus abdominis plane block 0.375 % ropivacaine 40ml, quadratus lumborum block

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients (American Society of Anesthesiologists physical status I-III) scheduled for elective laparoscopic surgery under general anesthesia

Exclusion criteria

Exclusion criteria: Patients were excluded if they were younger than 18 years or older than 80 years of age, had a history of allergy to local anesthetics, had a history of neurological disorder affecting the corresponding limb, or were pregnant.

Design outcomes

Primary

Measure	Time frame
Pain score Affected area after block performance Blood drug concentration Elapsed time until first additional analgesia after surgery	—

Countries

Japan

Contacts

Public ContactTakeshi Murouchi

Sapporo Medical University School of Medicine Department of Anesthesiology

murouchi@sapmed.ac.jp011-611-2111(ext.3568)

Outcome results

None listed

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