Comparison of bone remodeling between HA coated new implant and conventional implant using 18F-fluoride PET and DEXA

Comparison of bone remodeling between HA coated new implant and conventional implant using 18F-fluoride PET and DEXA - PET/DEXA THA study HA vs non HA

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000023147

Enrollment

Registered

2016-07-13

Start date

2015-03-18

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, Osteonecrosis of the femoral head

Interventions

Group that has implants with Hydroxyapatite coating on the proximal region of its stem. Group that has conventional implants with no Hydroxyapatite coating on the proximal region of its stem.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients whose medical condition is Osteoarthritis of the hip or Osteonecrosis of the femoral head and are in need of primary total hip arthroplasty.

Exclusion criteria

Exclusion criteria: Patients who did not or could not take the tests required for this study.

Design outcomes

Primary

Measure	Time frame
Evaluation of periprosthetic bone mineral density(zero weeks, 24 weeks and 48 weeks after THA) using DEXA. Evaluation of periprosthetic SUVmax(24 weeeks after THA) using 18F-fluoride PET scan.	—

Secondary

Measure	Time frame
Comparison of clinical scores between Hydroxyapatite coated implant and conventional implant.	—

Countries

Japan

Contacts

Public ContactNaomi Kobayashi

Yokohama City University Medical Center Orthopaedics

naomik58@aol.com045-261-5656

Outcome results

None listed

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