Cohort study of osteoarthritis by MRI 3D analysis (Kanagawa Knee Study)

Not Applicable

• Conditions: Adult

• Registration Number: JPRN-UMIN000032826
• Lead Sponsor: Tokyo Medical and Dental University

Brief Summary

MME was unchanged in KL grade 1 and KL grade 0, whereas it increased slightly in KL grade 2 and increased moderately in KL grade 3. Cartilage thickness first decreased in the medial tibial region in KL grade 2 subjects and in the medial femoral region in KL grade 3. Cartilage thinning occurred in the anterior central medial femoral subregion and in the anterior and middle external medial tibial subregions in KL grade 1, whereas it diffusely expanded in early and moderate knee OA.

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2018-09-01
• Study Completion: 2020-12-31
• Last Update Posted: 22 January 2024

Recruitment & Eligibility

• Status: Complete: follow-up continuing
• Sex: All
• Target Recruitment: 573

Inclusion Criteria

Not provided

Exclusion Criteria

1) People who cannot attend the second MRI examination one year later. 2) People who cannot obtain informed consent due to cognitive impairment. 3) People who cannot undergo MRI examination due to claustrophobia. 4) People who cannot undergo MRI examination due to metal in the body. 5) People with a history of surgery in either knee. 6) People who visited hospital for injury in either knee for more three months. 7) People who have osteoarthritis or history of fracture in either lower extremity. 8) People who are diagnosed as collagen disease such as rheumatoid arthritis. 9) People who have any knee injection or arthrocentesis. 10) People who are poor general condition. 11) People who are pregnant or possible pregnant. 12) People who have a consciousness of doing vigorous sports such as full marathon, triathlon, weight lifting. 13) People for whom involved doctors decide as not appropriate to participate in the study.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
3D MRI projected cartilage area ratio by generations and transition of projected cartilage area ratio for one year.