Bowlegs and knee surgery: does preoperative alignment change pain outcomes?

NCT ID NCT07720024

Completed Disease control Sponsor: Thammasat University Source: ClinicalTrials.gov ↗

First seen Jul 22, 2026 · Last updated Jul 23, 2026 · Updated 1 time

Summary

This trial investigates whether people with knee osteoarthritis who also have a bowleg deformity (tibia vara) experience different pain relief after a partial knee replacement compared to those without the deformity. The study will measure medial knee pain using a standard pain scale in 150 adults over age 40 undergoing mobile-bearing unicompartmental knee arthroplasty. The goal is to understand if the same surgical technique works equally well for both groups.

What this could mean

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

Active substance: mobile-bearing unicompartmental knee arthroplasty (UKA) surgery
What this could lead to: If successful, this could help surgeons decide whether patients with bowleg deformities benefit as much from partial knee replacement as those without.
What could go wrong: This is a small, single-center study comparing two groups, not a randomized trial. Results may not apply to all patients or surgeons.

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Conditions

The condition(s) this trial relates to.

Blount disease osteoarthritis osteoarthritis, knee

As listed by the trial registrant

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

OA KNEE OA KNEE PAIN OSTEOARTHRITIS

Contacts and locations

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Locations

Thammsat University

Pathum Thani, Changwat Pathum Thani, 12120, Thailand

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