Observation of the Clinical Efficacy of Two Surgical Procedures for Varus

Status Completed

Clinical Trial Summary

The purpose of this study is to conduct a prospective randomized controlled trial to compare the effects between two surgical procedures in the treatment of varus knee osteoarthritis.The hypothesis was that there would be no difference in mechanical axis correction between two surgical procedures.

Clinical Trial Description

This was a single-center, prospective, double-blinded, randomized controlled trial, comparing two surgical procedures in the treatment of varus knee osteoarthritis. Participants were recruited from September 2019 to September 2021. Before initiating the trial, an investigator who was not involved in the study generated a computer-generated randomization list (block length 10, ratio 1:1). Allocation concealment was achieved by using opaque, sealed, sequentially numbered envelopes containing details of group assignment. Assignment occurred after baseline information was recorded. Whereas participants and surgeons were aware of the group assignments, the outcome assessors and data analysts were remained blinded during the study period. Operations were performed by the same team of sports medicine surgeons under general anesthesia.For the open wedge high tibial osteotomy group, Those who were randomly assigned to the OWHTO group, OWHTO Surgical procedure will be performed. For the closing wedge high tibial osteotomy group, hose who were randomly assigned to the CWHTO group, CWHTO Surgical procedure will be performed. The sample size calculation was based on data from previous studies. Accepting an α risk of 0.05 and a β risk of 0.2 in a bilateral contrast, the minimum sample size required for each group was 35. To compensate for an estimated 15% loss to follow up, at least 82 patients would be included. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05382429
Study type	Interventional
Source	The Affiliated Hospital of Qingdao University
Contact
Status	Completed
Phase	N/A
Start date	September 1, 2019
Completion date	December 20, 2021

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Observation of the Clinical Efficacy of Two Surgical Procedures for Varus Knee Osteoarthritis

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms