Clinical trial Recruiting at 1 site Interventional Ages 18 to 65

Analgesic effects of adding BiFeS block to adductor canal block after ACL reconstruction

Official title: Comparison of Postoperative Analgesic Effects of Adductor Canal Block Versus Adductor Canal Block Combined With Biceps Femoris Short Head Block in Patients Undergoing Anterior Cruciate Ligament Reconstruction Surgery

Run by Ankara Etlik City Hospital · NCT07859397 · Data updated 2026-11-12

This study tests whether adding a BiFeS block to the standard adductor canal block provides better pain relief after ACL reconstruction.

More Pain Management trials

Quick facts

Study typeInterventional
Ages18 Years to 65 Years
SexAll
Enrollment110 (estimated)
SponsorAnkara Etlik City Hospital
Government
Locations1 site (Ankara)
StatusRecruiting
StartedOctober 5, 2026
Main results expectedOctober 13, 2027
Study endsOctober 27, 2027
Registry record updatedOctober 8, 2026
Trial IDNCT07859397 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults aged 18–65 undergoing elective unilateral ACL reconstruction with ASA I–III status.

Probably not a fit

Patients for whom multisite regional anesthesia offers no additional pain relief or who have contraindications to nerve blocks may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

In this randomized trial, adults undergoing unilateral ACL reconstruction receive either an adductor canal block (ACB) alone or ACB plus a biceps femoris short head (BiFeS) block to manage postoperative knee pain. The approach aims to improve analgesia while preserving leg strength, potentially reducing opioid needs after surgery. Outcomes focus on pain control in the early postoperative period and during rehabilitation, with safety monitored for nerve blocks and other adverse events. The study is conducted at Ankara Etlik City Hospital and targets patients aged 18–65 with ASA I–III status. Eligible participants provide informed consent and are randomized to one of the two blockade strategies.

Why it matters

Potential benefit: If successful, patients may experience better pain relief after ACL surgery and reduced need for opioids.

How similar studies have gone: Previous regional anesthesia approaches show promise for improved analgesia in knee surgery, but the specific combination with BiFeS block is comparatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients aged 18-65 years
* Patients scheduled for elective unilateral anterior cruciate ligament reconstruction surgery
* American Society of Anesthesiologists physical status I-III
* Patients who provide written informed consent

Exclusion Criteria:

* Age \<18 or \>65 years
* ASA physical status IV or higher
* Coagulopathy or ongoing anticoagulant therapy incompatible with peripheral nerve block
* Infection at the block injection site
* Patient refusal

Where it's running

  • Ankara Etlik City Hospital
    Ankara, Turkey (Türkiye)
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.