Single-center, randomized, parallel-group comparative study on efficacy and safety of preoperative peripheral nerve block-administered group and control group for human breast cancer with postoperative acute pain and persistent postoperative pain

Single-center, randomized, parallel-group comparative study on efficacy and safety of preoperative peripheral nerve block-administered group and control group for human breast cancer with postoperative acute pain and persistent postoperative pain - Preventive effect of peripheral nerve block on acute pain and chronic postsurgical pain after breast cancer surgery

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000046644

Enrollment

120

Registered

2022-02-01

Start date

2022-03-01

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

Patients scheduled for breast cancer surgery

Interventions

Do not perform peripheral nerve block before surgery Perform PECS block Perform retrolaminar block or MTP block

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Patients scheduled for breast cancer surgery at our hospital

Exclusion criteria

Exclusion criteria: Underage, taking antipsychotics, psychiatric patients, severe obesity(>=BMI35), men, patients with chronic pain, patients taking opioids and analgesics

Design outcomes

Primary

Measure	Time frame
Quality of recovery and wound pain on the first day after surgery	—

Countries

Japan

Contacts

Public ContactChie Sawamizu

National Defense Medical College Department of Anesthesiology

doc34027@ndmc.ac.jp0429951511

Outcome results

None listed

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