Comparing PENG block and intra-articular injection for pain relief after hip surgery

Pericapsular Nerve Group (PENG) Block Versus Intra-articular Injection for Hip Arthroscopy: A Randomized Trial

Not applicable Interventional Bezmialem Vakif University · NCT04698746

This study is testing whether a nerve block or an injection can help people having hip surgery feel less pain and recover better.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment72 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorBezmialem Vakif University Academic / other
Locations1 site (Istanbul)
Trial IDNCT04698746 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the effectiveness of the pericapsular nerve group (PENG) block compared to intra-articular local anesthetic injection for managing acute postoperative pain in patients undergoing hip arthroscopy. The study aims to determine which method provides better pain control, thereby facilitating rehabilitation and reducing reliance on opioids. Eligible participants include those scheduled for elective hip arthroscopy who meet specific health criteria. The trial will assess pain outcomes and recovery metrics following the two different pain management techniques.

Who should consider this trial

Good fit: Ideal candidates are patients scheduled for elective hip arthroscopy with an ASA physical status of I to III and a BMI between 20 and 35 kg/m2.

Not a fit: Patients with chronic pain conditions requiring opioid intake, significant comorbidities, or those who are pregnant may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved pain management strategies for patients undergoing hip arthroscopy, reducing opioid use and enhancing recovery.

How similar studies have performed: Previous studies have shown positive outcomes with regional anesthesia techniques for postoperative pain management, suggesting potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* American Association of Anesthesiologists (ASA) physical status I - III
* BMI 20 to 35 kg / m2
* Patients scheduled for elective hip arthroscopy
* Able to provide informed consent.

Exclusion Criteria:

* Patients who refuse to participate in the study,
* Coagulopathy,
* Sepsis,
* Hepatic or renal insufficiency,
* Pregnancy
* Allergy to local anesthetic drugs,
* Chronic pain condition requiring opioid intake at home,
* BMI above 40.
* History of psychiatric diseases needing treatment.
* Failure of nerve block
* Substance abuse history
* Hip revision surgery
* Underlying neurologic disorder affecting pain perception.
* Angina, heart attack, heart failure
* Kidney or hepatic insufficiency
* Stroke
* Gastrintestinal bleeding history

Where this trial is running

Istanbul

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Opioid UseAcute PainHip arthroscopy, intra-articular injection, PENG block
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.