Vas score

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Completed 1

Can a pinch of hydromorphone make knee surgery recovery less painful?

Symptom relief Completed

This trial tests whether adding a small dose of hydromorphone to a standard numbing medicine (ropivacaine) improves pain control after total knee replacement. About 90 adults undergoing knee surgery will receive either the combination or the numbing medicine alone via a nerve blo…

Matched conditions: VAS SCORE

Sponsor: China-Japan Friendship Hospital • Aim: Symptom relief

Last updated Jul 29, 2026 00:00 UTC

Vas score

Get alerted when new Vas score trials appear

Can a pinch of hydromorphone make knee surgery recovery less painful?