Ultrasound may predict which patients get poor pain relief from a common knee block

NCT ID NCT07730216

NEW Not yet recruiting Knowledge-focused Sponsor: Konya City Hospital Source: ClinicalTrials.gov ↗

First seen Jul 28, 2026 · Last updated Jul 28, 2026

Summary

After knee replacement, a nerve block called the adductor canal block is often used to control pain while preserving leg strength. But it does not work equally well for everyone. This study will examine whether ultrasound measurements—such as tissue depth and nerve visibility—can predict which patients will need extra pain medication. The goal is to identify factors that lead to block failure and improve pain management after surgery.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: adductor canal block (a nerve block procedure)
What this could lead to: If ultrasound features reliably predict block failure, doctors could adjust the technique or choose alternative pain relief for certain patients, improving recovery after knee replacement.
What could go wrong: This is an observational study, not a test of a new treatment. It may find that ultrasound measures are not strong enough predictors to change practice.

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Conditions

The condition(s) this trial relates to.

osteoarthritis, knee Pain

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ARTHROPLASTY, REPLACEMENT, KNEE NERVE BLOCK ASSESSMENT PAIN, POSTOPERATIVE ARTHROSCOPY

Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

Konya City Hospital

Konya, Konya, 42090, Turkey (Türkiye)

Contact Phone: •••-•••-•••• Email: •••••@•••••

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