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Efficacy of bilateral continuous transversus abdominis plane blocks for postoperative analgesia after gynecological cancer surgery: a prospective, randomized, placebo-controlled, triple-blind study

Efficacy of bilateral continuous transversus abdominis plane blocks for postoperative analgesia after gynecological cancer surgery: a prospective, randomized, placebo-controlled, triple-blind study - Efficacy of bilateral continuous transversus abdominis plane blocks for postoperative analgesia after gynecological cancer surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000013449
Enrollment
80
Registered
2014-03-18
Start date
2014-03-28
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 an elective gynecological cancer surgery including pelvic lymph node dissection or biopsy

Interventions

Patients will be inserted catheters into their bilateral transversus abdominis planes under ultrasound guidance and receive continuous infusions of local anesthetics through the catheters. Patients wi

Sponsors

Niigata University Medical and Dental Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. Patients undergoing gynecological cancer surgery including pelvic lymph node dissection or biopsy at Niigata University Medical and Dental Hospital 2. Written informed consent is provided

Exclusion criteria

Exclusion criteria: 1. American Society of Anesthesiologists Physical Status 4 or above 2. Inability to communicate lucidly 3. Under 20 or over 80 years old 4. Body Mass Index >30 kg/m^2 5. Body weight <40 kg 6. Contraindication or allergy to drugs used in this study 7. Renal or hepatic failure 8. Pre-existing sensory disturbance of the trunk 9. Chronic opioid use 10. Previous laparotomy with the incision crossing the subcostal line 11. Infection at the injection site 12. Surgery without pelvic node dissection or biopsy 13. Patients who undergo colectomy including stoma creation 14. Pregnant woman 15. Patients who are regarded ineligible by researchers with any other reasons

Design outcomes

Primary

MeasureTime frame
Cumulative morphine consumption 24 h after the TAP catheter placement

Secondary

MeasureTime frame
Pain scale Sedation level Incidence of postoperative nausea and vomiting Incidence of local anesthetic systemic toxicity Time to ambulation Time to flatus

Countries

Japan

Contacts

Public ContactTakayuki Yoshida

Niigata University Graduate School of Medical and Dental Sciences Division of Anesthesiology

ytaka@mac.com025-227-2328

Outcome results

None listed

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