A comparison of hip stems with different length in total hip arthroplasty for moderate to severe hip disorders.

A comparison of hip stems with different length in total hip arthroplasty for moderate to severe hip disorders. - A comparison of stems with different length in total hip arthroplasty.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000018555

Enrollment

Registered

2015-08-05

Start date

2012-10-23

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

Osteoarthritis of the hip

Interventions

A stem with different length is used for one side in bilateral simultaneous total hip arthroplasty. A stem with different length is used for one side in bilateral simultaneous total hip arthroplasty.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who will be performed bilateral total hip arthroplasty for hip disorders.

Exclusion criteria

Exclusion criteria: 1) Hip implant is limited by the bone morphology. 2) Patients who will not agree to this study. 3) Patients who have severe complications intraoperatively or postoperatively. 4) Intraoperative change of the implants. 5) Patients lacking ability of self-assessment due to dementia etc. 6) Patients who are under age.

Design outcomes

Primary

Measure	Time frame
Physical and radiographic findings.	—

Secondary

Measure	Time frame
Incidence of adverse events.	—

Countries

Japan

Contacts

Public ContactMasanobu Hirao

Tokyo Medical and Dental University Department of Orthopaedic Surgery

hirareh@tmd.ac.jp03-5803-5279

Outcome results

None listed

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