Pericapsular Nerve Group (PENG) Block Combined With Lateral Femoral Cutaneous Nerve (LFCN) Block or Wound Infiltration for Postoperative Analgesia in Anterior Approach Total Hip Arthroplasty: A Randomized Controlled Trial
NCT ID: NCT07284615
Last Updated: 2025-12-16
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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NOT_YET_RECRUITING
NA
102 participants
INTERVENTIONAL
2025-12-31
2026-11-30
Brief Summary
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The primary outcome is postoperative pain intensity at rest, measured by Numerical Rating Scale (NRS) at 6 hours after surgery. Secondary outcomes include dynamic pain scores at 6, 24, and 48 hours, total opioid consumption, time to first rescue analgesia, quadriceps strength, hip flexion angle, length of stay, and adverse events.
All procedures are routinely used in clinical practice and carry minimal additional risk. Safety will be continuously monitored by the Principal Investigator and the study team according to an internal Safety Monitoring Plan.
Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
QUADRUPLE
Participant: the patient will not know the type of block he will be subjected to, because of he will already be subjected to neuraxial anesthesia.
Outcomes Assessor: a clinician external to the practice will evaluate the degree of residual paralysis after anesthesia and pain control Investigator: the statistician will not know which anesthetic technique was administered to which group
Study Groups
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PENG-WI
the group in which PENG and WI (wound infiltration) are performed, after neuraxial anesthesia, a PENG block will be administered under ultrasound guidance using 20 mL of 0.5% ropivacaine. At the end of the surgery, a wound infiltration will be performed with 10 mL of 0.5% ropivacaine.
PENG plus WI
The control arm will receive a combination of pericapsular nerve group (PENG) block and wound infiltration (WI). The PENG block involves the deposition of local anesthetic in the fascial plane between the psoas tendon and the superior pubic ramus, under ultrasound guidance. The wound infiltration consists of the administration of local anesthetic into the subcutaneous tissue along the surgical incision
PENG - LFCN Block
group in which PENG and LFCN Block was performed. After performing neuraxial anesthesia, the PENG associated with LFCN block will be performed. Under ultrasound guidance, 20ml and 10ml of Ropivacaine 0.5% will be administered respectively
PENG plus LFCN block
The experimental arm will be subjected to a combination of peripheral blocks: the interfascial block of the PENG and the perinervous block of the LFCN The PENG block involves deposition of local anesthetic in the fascial plane between the psoas muscle and the superior pubic ramus. The LFCN block consists of applying local anesthetic near the nerve. The LFCN lies in the subcutaneous plane deep to the fascia lata below the anterior superior ischiatic spine.
Interventions
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PENG plus LFCN block
The experimental arm will be subjected to a combination of peripheral blocks: the interfascial block of the PENG and the perinervous block of the LFCN The PENG block involves deposition of local anesthetic in the fascial plane between the psoas muscle and the superior pubic ramus. The LFCN block consists of applying local anesthetic near the nerve. The LFCN lies in the subcutaneous plane deep to the fascia lata below the anterior superior ischiatic spine.
PENG plus WI
The control arm will receive a combination of pericapsular nerve group (PENG) block and wound infiltration (WI). The PENG block involves the deposition of local anesthetic in the fascial plane between the psoas tendon and the superior pubic ramus, under ultrasound guidance. The wound infiltration consists of the administration of local anesthetic into the subcutaneous tissue along the surgical incision
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Elective total hip arthroplasty
* Spinal (subarachnoid) anesthesia
* Written informed consent provided by the patient or by the legal guardian, if appointed
Exclusion Criteria
* aPTT \> 1.5
* Platelet count \< 75,000/mm³
* Signs suggestive of infection at the puncture site
* Absence of informed consent to the procedure
* Documented or suspected allergy to local anesthetics
18 Years
ALL
No
Sponsors
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Ospedale Edoardo Bassini
OTHER
Responsible Party
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Matteo Coccolo
Medical Doctor, Principal Investigator
Locations
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Ospedale Edoardo Bassini
Cinisello Balsamo, Milano, Italy
Countries
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Central Contacts
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Other Identifiers
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5967
Identifier Type: -
Identifier Source: org_study_id