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Ropivacaine Combined with Varying Doses of Butorphanol for Ultrasound - Guided Pericapsular Nerve Group (PENG) Block : A Randomized Controlled Trial on Efficacy

Ropivacaine Combined with Varying Doses of Butorphanol for Ultrasound - Guided Pericapsular Nerve Group (PENG) Block : A Randomized Controlled Trial on Efficacy

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500108444
Enrollment
Unknown
Registered
2025-08-29
Start date
2025-09-01
Completion date
Unknown
Last updated
2025-09-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Geriatric Hip Disorders

Interventions

Group R:20 mL of 0.25% ropivacaine
Group RLB:20 mL of 0.25% ropivacaine + 0.5 mg butorphanol
Group RMB:20 mL of 0.25% ropivacaine + 1 mg butorphanol
Group RHB:20 mL of 0.25% ropivacaine + 2 mg butorphanol

Sponsors

Fuzhou Second General Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to 85 Years

Inclusion criteria

Inclusion criteria: The enrolled subjects were patients undergoing total hip arthroplasty, aged 65–85 years, with ASA physical status I–III and a body mass index (BMI) of 18.5–30 kg/m².

Exclusion criteria

Exclusion criteria: Exclusion criteria comprised patients with chronic pain, opioid use within 24 hours preoperatively, allergies to ropivacaine or butorphanol, coagulation disorders, infection at the puncture site, severe systemic diseases, or refusal to participate.

Design outcomes

Primary

MeasureTime frame
The duration of sensory block;

Secondary

MeasureTime frame
Visual Analog Scale for Pain(VAS);Number of presses for patient-controlled intravenous analgesia (PCIA);The first pressing time of patient - controlled intravenous analgesia (PCIA);The first additional administration time of other analgesics;The first time of getting out of bed;Effects on movement, functional recovery, and exercise;Postoperative hospital stay;Active range of motion (AROM) of the hip joint;Quadriceps muscle strength;Hip joint replacement postoperative outcome score (Harris score);Postoperative complications;

Countries

China

Contacts

Public ContactChen Shiwei

Fuzhou Second General Hospital,Fuzhou,China

252406618@qq.com+86 139 0690 9752

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026