Knee replacement recovery: why some still feel pain

NCT ID NCT07410884

Completed Knowledge-focused Sponsor: Prefectural University of Hiroshima Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study followed 285 adults who had knee replacement surgery for osteoarthritis. Researchers wanted to see how knee pain and the way people perceive their knee (like feeling it's less familiar or harder to control) are linked over time. Participants filled out questionnaires before surgery and at several points up to a year after. The goal is to find factors that might explain why some people still have pain after surgery, which could lead to better rehab approaches.

What this could mean

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

What this could lead to: If successful, this study could point to new rehabilitation strategies that target body perception to reduce persistent pain after knee replacement.
What could go wrong: This is an observational study, not a treatment trial. It only measures associations and cannot prove cause and effect. Results may not lead to direct clinical changes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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.

KNEE ARTHROPLASTY, TOTAL KNEE OSTEOARTHRISTIS

Contacts and locations

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Locations

Prefectural University of Hiroshima

Mihara, 725-0053, Japan

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