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Robotic Arm-assisted THA Vs. Conventional THA in Legg-Calvé-Perthes Disease

NCT07122323 · Second Affiliated Hospital, Zhejiang University, School of Medicine · Updated 14 Aug 2025

What is being tested
robotic arm-assisted total hip replacement; conventional total hip replacement
For
Legg-Calvé-Perthes Disease
Kind of study
Tests a treatment or device on volunteers. No drug phase (a device or procedure study).
Who can join
Ages 18 years to 80 years. About 50 people. The full rules are on the registry page.
Where
China
When
Starts or started 28 July 2025, ends 28 July 2027. Registered 14 Aug 2025.
Results
None posted yet.

In the researchers' words

Flat hip, also called Legg-Calvé-Perthes disease, is clinically characterized by flattened femoral head, shortened femoral neck, and a center of rotation of the femoral head lower than the apex of the greater trochanter. Joint replacement is difficult, with high intraoperative and postoperative complications. Especially, issues such as unequal limb length, postoperative dislocation, postoperative neurological damage, and prosthesis impact have always plagued clinical practice. The robotic arm-assisted joint replacement technology has been developed and clinically applied for over 10 years, but it was not until the past 3 years that it began to be widely implemented worldwide. Existing research data indicates that robotic arm-assisted joint replacement technology can significantly improve the placement of prostheses and lower limb force lines in patients, and improve their short-term clinical prognosis. However, its application in complex hips, such as flat hip, is limited. More relevant literature is needed to further enrich people's understanding of this technology. In theory, robot assisted technology can solve many challenges faced in flat hip replacement.
ClinicalTrials.gov, NCT07122323

Sites

  • Second Affiliated Hospital of Zhejiang University School of MedicineHangzhou, Zhejiang, China