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A Prospective, Multi-center Study of Zimmer Natural Nail System Cephalomedullary Asia Nail in Japanese Population

A Prospective, Multi-center Study of Zimmer Natural Nail System Cephalomedullary Asia Nail in Japanese Population - ZiCAS

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000014022
Enrollment
100
Registered
2014-05-26
Start date
2014-06-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Trochanteric fractures (AO 31-A1 to 31-A3)

Interventions

None listed

Sponsors

Zimmer Biomet G.K.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Age of 50 years old or above. 2) Japanese patients (Mongoloid) only 3) Diagnosed with primary closed stable or unstable, intertrochanteric fractures of the femur. 4) Required or completed surgical intervention with CM Asia Nail. 5) Able to read and understand study information sheet, and decide to participate in the study by himself/ herself. Sign Patient Informed Consent Form either by patient own or his/ her representative. 6) Willing and capable of following the Investigator's instructions and complying with the follow-up visits.

Exclusion criteria

Exclusion criteria: 1) A medullary canal obliterated by a previous fracture or tumor 2) Bone shaft having excessive bow or deformity 3) Lack of bone substance or bone quality which makes stable seating of the implant impossible 4) Concomitant diseases that can impair the functioning and the success of the implant 5) Infection 6) Insufficient blood circulation 7) Skeletally immature 8) Pregnant, suspected pregnancy or plan to get pregnant during the study observation period 9) Patients who cannot conduct CT scan examination within 3 days after the surgery 10) Patient with any comorbidities which may affect the ability of informed consent or completion of assessments

Design outcomes

Primary

MeasureTime frame
CT Assessments

Secondary

MeasureTime frame
Radiographic Assessment, Clinical Assessments, and Safety Assessment

Countries

Japan

Contacts

Public ContactAkira Kashima

Zimmer Biomet G.K. Clinical Affairs

akira.kashima@zimmerbiomet.com03-6402-6610

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026