Effects of the duration of local anesthetic administration for peripheral nerve block on postoperative pain control : A Randomized Controlled Trial

Effects of the duration of local anesthetic administration for peripheral nerve block on postoperative pain control : A Randomized Controlled Trial - Peripheral nerve block: single shot v.s. continuous

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000012132

Enrollment

200

Registered

2013-10-28

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

Limb surgery

Interventions

Group C (continuous block) Group S (single shot block)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients (American Society of Anesthesiologists physical status I-II) scheduled for elective surgery under general anesthesia with combination of peripheral nerve block

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 daily intake of opioids for a period of more than 1 week, had a history of neurological disorder affecting the corresponding limb, were pregnant, or were unable to understand a pain scale.

Design outcomes

Primary

Measure	Time frame
Pain score Additional analgesia Adverse effects (nausea, sedation, respiratory dysfunction) Blood drug concentration	—

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