Comparison of the Efficacy of Pericapsular Nerve Group Block Alone Versus Pericapsular Nerve Group Block Combined With Superior Cluneal and Superior Gluteal Nerve Blocks in Patients Undergoing Hip Surgery
Key facts
- Who runs it
- Ataturk University
- Where
- Erzurum, TürkiyeSee the site
- Trial code
- Status
- Enrolling by invitation
- People taking part
- 60 people, planned
- Started
- 1 Sept 2025
- Planned end
- Sept 2026
- Type of study
- Interventional, 2 groupsOne group gets an existing treatment, for comparison.
- Treatments tested
- 15 ml Bupivacaine Hcl 0.25% injection
- 20 mL bupivacaine 0.25% injection
- Record updated
- 8 December 2025
Who can take part
- Age
- 18 years to 80 years
- Sex
- Women and men
- Healthy volunteers
- Cannot take part
The registry criteria, word for word
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Who can take part
- Voluntary participation in the study
- Age between 18 and 80 years
- ASA physical status I, II, or III
- Male or female patients
Who cannot take part
- Previous surgery in the inguinal or suprainguinal region
- Allergy to the medications to be used
- History of severe cardiac, renal, or hepatic disease
- History of anticoagulant use
- History of spinal surgery
- Refusal to participate in the study
- Presence of neurological deficits or neuropathy
- Pregnancy
- Chronic opioid use at home
Check if you might fit
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 80 years old?
Where in Türkiye
- Atatürk UniversityErzurum, TürkiyeNo longer taking part
About the trial
What the trial wants to find out
In the clinic, total hip arthroplasty is a frequently performed surgical procedure that often results in moderate to severe postoperative pain. Multimodal analgesia approaches are commonly preferred for managing this pain, and in recent years, nerve blocks targeting pelvic innervation have become increasingly prominent. Among these, the Pericapsular Nerve Group (PENG) block has gained attention for providing effective analgesia by targeting the nerves responsible for the anterior innervation of the hip capsule. However, when used alone, the PENG block may be insufficient for controlling posterior hip pain and may not provide complete analgesia.
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In this context, adding blocks targeting the superior cluneal nerve and the superior gluteal nerve-both of which contribute to the sensory innervation of the posterior hip region-has been proposed to enhance the analgesic effect when combined with the PENG block. Superior cluneal and superior gluteal nerve blocks have recently been described in anatomical and clinical studies, and by affecting the structures contributing sensory input to the posterior hip capsule, they hold significant potential for improving pain management.
In this study, the investigators aimed to evaluate the contribution of superior cluneal and superior gluteal nerve blocks, when added to the PENG block, to perioperative analgesia in patients undergoing total hip arthroplasty. The investigators sought to comparatively investigate whether this combination offers superior outcomes compared with the PENG block alone. It was hypothesized that combined nerve blocks may provide similar or improved recovery scores, lower pain scores, reduced opioid consumption, and enhanced analgesic efficacy without affecting the degree of motor blockade.
The 2 groups in the trial
- Application of PENG BlockExisting treatment, for comparison
Patients will be brought to the operating room one hour before surgery, and no premedication will be administered prior to their arrival. Before performing the PENG block, patients will be placed in the supine position. The ultrasound probe will be positioned in the transverse plane medial and caudal to the anterior superior iliac spine, and the anterior inferior iliac spine, iliopubic eminence, and psoas tendon will be identified. Using an in-plane technique, the needle will be advanced from lateral to medial and positioned between the psoas tendon and the periosteum. After negative aspiration, 15 mL of 0.25% bupivacaine will be administered.
Treatment: 15 ml Bupivacaine Hcl 0.25% injection and 20 mL bupivacaine 0.25% injection
- Application of PENG Block together with Superior Cluneal and Superior Gluteal Nerve BlocksExisting treatment, for comparison
All patients will receive a PENG block, and in addition: The superior cluneal nerve block will be performed at the level of the posterior iliac crest under ultrasound guidance, along the course of the nerve, using 10 mL of 0.25% bupivacaine. The superior gluteal nerve block will be administered in the lateral decubitus position under ultrasound guidance, with 10 mL of 0.25% bupivacaine injected between the gluteal muscles along the trajectory of the nerve.
Treatment: 20 mL bupivacaine 0.25% injection
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorData and sources
- Registry record
- Listed on ClinicalTrials.gov.
- Official title
- Comparison of the Efficacy of Pericapsular Nerve Group Block Alone Versus Pericapsular Nerve Group Block Combined With Superior Cluneal and Superior Gluteal Nerve Blocks in Patients Undergoing Hip Surgery: A Prospective Randomized Clinical Study
- Fit questions
- Built from NCT07255768, who can take part
- Record updated
- 8 December 2025