Combining Intrathecal Morphine and PENG Block for Pain Relief After Hip Surgery

The Efficacy of Combined Intrathecal Morphine and Pericapsular Nerve Group (PENG) Block on Postoperative Pain and Recovery Quality in Anterior Hip Arthroplasty: A Prospective, Double-blind, Randomized Clinical Trial

Not applicable Interventional Bezmialem Vakif University · NCT06298370

This study is testing if using a combination of a nerve block and low-dose morphine can help people feel less pain and recover better after hip surgery compared to using each method on its own.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment3 (estimated)
Ages18 Years to 90 Years
SexAll
SponsorBezmialem Vakif University Academic / other
Locations1 site (Istanbul, Fatih)
Trial IDNCT06298370 on ClinicalTrials.gov

What this trial studies

This study compares the effectiveness of combining the Pericapsular Nerve Group (PENG) block with low-dose intrathecal morphine versus using each method alone for managing postoperative pain in patients undergoing hip arthroplasty. The goal is to assess morphine consumption, pain levels, and recovery quality over the first 48 hours after surgery. By utilizing multimodal analgesia, the study aims to reduce opioid use and associated side effects while improving recovery outcomes. The Quality of Recovery (QoR-15) scale will be used to evaluate the overall recovery experience of participants.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 to 90 undergoing anterior hip arthroplasties with an ASA score of 1 to 4.

Not a fit: Patients with a history of opioid addiction, severe comorbidities, or those unable to provide informed consent may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lead to improved pain management and recovery for patients undergoing hip arthroplasty.

How similar studies have performed: Previous studies have shown that combining peripheral nerve blocks with low-dose intrathecal opioids can enhance recovery and reduce opioid consumption, indicating a promising approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Aged between 18 and 90 years
* American Society of Anesthesiologists (score ranging from 1 to 4)
* Anterior hip arthroplasties

Exclusion Criteria:

* Patients with a history of opioid addiction
* Individuals under the age of 18
* Those aged 90 and above
* Allergies to morphine, fentanyl, bupivacaine, or tramadol
* Coagulopathy
* Infection at the injection site
* Severe cardiac, renal, or hepatic dysfunction
* Cases unable to provide informed consent
* Body Mass Index \>40 kg/m2
* Known neurological or anatomical deficits in the lower extremities
* Patients requiring a transition from spinal anesthesia to general anesthesia

Where this trial is running

Istanbul, Fatih

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 Postoperative Pain ManagementPostoperative painIntrathecal morphineIntrathecal bupivacaineHip arthroplastyPericapsular nerve group 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.