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NCT07122323
Robotic Arm-assisted THA Vs. Conventional THA in Legg-Calvé-Perthes Disease
NA trial testing robotic arm-assisted total hip replacement in Legg-Calvé-Perthes Disease in 50 participants. Enrolling by invitation.
28 July 2027
Quick facts
| Lead sponsor | Second Affiliated Hospital, School of Medicine, Zhejiang University |
|---|---|
| Phase | NA |
| Status | ENROLLING BY INVITATION |
| Study type | INTERVENTIONAL |
| Allocation | non randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | treatment |
| Enrollment | 50 |
| Start date | 28 July 2025 |
| Primary completion | 28 July 2027 |
| Estimated completion | 28 July 2027 |
| Sites | 1 location across China |
Drugs / interventions tested
- robotic arm-assisted total hip replacement
- conventional total hip replacement
Conditions studied
- Legg-Calvé-Perthes Disease — all drugs for Legg-Calvé-Perthes Disease →
Sponsor
Second Affiliated Hospital, School of Medicine, Zhejiang University
Who can join
Adults 18 to 80, any sex, with Legg-Calvé-Perthes Disease. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
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.
Publications & conference data
No peer-reviewed publications indexed yet for this trial.
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT07122323 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Second Affiliated Hospital, School of Medicine, Zhejiang University
- Last refreshed: 14 August 2025
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