American Joint Replacement Registry
AJRR
1 other identifier
observational
500,000
1 country
1
Brief Summary
The American Joint Replacement Registry is a not-for-profit 501(c)(3) organization for data collection and quality improvement initiatives for total hip and knee replacements. The AJRR is a collaborative effort supported by the American Academy of Orthopaedic Surgeons (AAOS), the American Association of Hip and Knee Surgeons (AAHKS), The Hip Society, The Knee Society, hospitals, health insurers, medical device manufacturers, and contributions from individual orthopaedic surgeons.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Aug 2011
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 1, 2011
CompletedFirst Submitted
Initial submission to the registry
July 24, 2013
CompletedFirst Posted
Study publicly available on registry
July 26, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 1, 2029
October 3, 2025
September 1, 2025
17.3 years
July 24, 2013
September 30, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Health Related Quality of Life
Utilization of VR-12 and/or PROMIS-10
12 months
Secondary Outcomes (1)
Hip disability and Osteoarthritis Outcome Score - Joint Replacement (HOOS, JR)
12 months
Other Outcomes (1)
Knee Injury and Osteoarthritis Outcome Score - Joint Replacement (KOOS, JR)
12 months
Eligibility Criteria
We expect to receive data on up to 90% of all total joint arthroplasties conducted in the United States annually.
You may qualify if:
- Any individual in the US undergoing total joint arthroplasty
You may not qualify if:
- None
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Nathan Glusenkamp
Rosemont, Illinois, 60018, United States
Study Officials
- PRINCIPAL INVESTIGATOR
Nathan Glusenkamp
American Joint Replacement Registry
- STUDY DIRECTOR
David G Lewallen, MD
American Joint Replacement Registry
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- OTHER
- Time Perspective
- PROSPECTIVE
- Target Duration
- 5 Years
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Chief Quality and Registries Officer
Study Record Dates
First Submitted
July 24, 2013
First Posted
July 26, 2013
Study Start
August 1, 2011
Primary Completion (Estimated)
December 1, 2028
Study Completion (Estimated)
December 1, 2029
Last Updated
October 3, 2025
Record last verified: 2025-09
Data Sharing
- IPD Sharing
- Will share
AJRR provides participating hospitals their data back in the form of dashboards and reports available on our registry platform. AJRR also releases an Annual Report every November which includes aggregate, de-identified data.