ARTHROPLASTY, REPLACEMENTAJRRNCT01909375
American Joint Replacement Registry
An observational study of ARTHROPLASTY, REPLACEMENT, run by American Joint Replacement Registry at 1 site in United States.
Trial 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… Read more about this study
- Who is it for?
- Any ageHealthy volunteers can take part
- Conditions the study is for
- ARTHROPLASTY, REPLACEMENT
- How many people
- 500,000 participants
- Where
- 1 siteUnited States
- Study dates
- Aug 2011to Dec 2029
- How long will I take part?
- 5 Years
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Any age
- All sexes
- Healthy volunteers accepted
- Child, Adult, Older adult
Study population: We expect to receive data on up to 90% of all total joint arthroplasties conducted in the United States annually.
Who may be able to join
- Any individual in the US undergoing total joint arthroplasty
Who cannot join
- None
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
United States1 site, 1 recruiting
- Recruiting
Nathan Glusenkamp
Rosemont, Illinois, 60018
Nathan Glusenkamp, 8473844028, glusenkamp@aaos.org
David G Lewallen, MD, lewallen.david@mayo.edu
About this study
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.
- Conditions
- ARTHROPLASTY, REPLACEMENT
What is being measured
The primary outcome is the main question the study is designed to answer.
Health Related Quality of Life
Utilization of VR-12 and/or PROMIS-10
Measured: 12 months
Secondary outcomes (1)
Hip disability and Osteoarthritis Outcome Score - Joint Replacement (HOOS, JR)
Measured: 12 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted26 Jul 2013 (estimated)
- Study startAug 2011
- Primary completionDec 2028 (estimated)
- Study completionDec 2029 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for ARTHROPLASTY, REPLACEMENTStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Other
- Time perspective
- Prospective
- Enrolment
- 500,000 participants (estimated)
- Target duration
- 5 Years
Sponsor and investigators
- Lead sponsor
- American Joint Replacement Registry
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Nathan Glusenkamp, American Joint Replacement Registry
- Investigators
- Nathan Glusenkamp, Principal investigator, American Joint Replacement RegistryDavid G Lewallen, MD, Study director, American Joint Replacement Registry
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01909375
- Sponsor's protocol ID
- 1120353
- Acronym
- AJRR
- Status last verified
- Sep 2025
- First submitted
- 24 Jul 2013
- Last updated
- 3 Oct 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: 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.
Study at a glance
From the registry record, last updated by the sponsor on 3 Oct 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- American Joint Replacement Registry
- ClinicalTrials.gov ID
- NCT01909375
- Acronym / sponsor ID
- AJRR / 1120353
- Conditions
- ARTHROPLASTY, REPLACEMENT
- Study type
- Observational
- Recruitment status
- Recruiting
- Enrolment
- 500,000 participants (estimated)
- Lead sponsor
- American Joint Replacement RegistryUniversity, hospital or other
- Study start
- Aug 2011 (actual)
- Primary completion
- Dec 2028 (estimated)
- Study completion
- Dec 2029 (estimated)
- First posted
- 26 Jul 2013 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
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.
Study design
- Observational model
- Other
- Time perspective
- Prospective
- Target follow-up
- 5 Years
Who may qualify
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child, Adult, Older adult
- Study population
- We expect to receive data on up to 90% of all total joint arthroplasties conducted in the United States annually.
Key inclusion criteria (1 listed)
- Any individual in the US undergoing total joint arthroplasty
Key exclusion criteria (1 listed)
- None
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Health Related Quality of Life
Time frame: 12 months
Utilization of VR-12 and/or PROMIS-10
1 secondary outcome
Hip disability and Osteoarthritis Outcome Score - Joint Replacement (HOOS, JR)
Time frame: 12 months
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 3 Oct 2025.
- Individual participant dataSharing planned: Yes. 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.
Related trials for ARTHROPLASTY, REPLACEMENT
Enrolling by invitation
Early Outcome of Simultaneous Bilateral Total Knee Replacement With and Without Tourniquet
Arthroplasty, Replacement, Knee, Blood Loss, Surgical
Recruiting
SMR Stemless Reverse vs SMR Reverse Shoulder System
Arthroplasty, Replacement
Not yet recruiting
Robotic-Assisted Versus Conventional Total Knee Arthroplasty With Virtual Home-Based Rehabilitation
Osteoarthritis, Knee
Not yet recruiting
GENIVS Block Versus Adductor Canal Block After Total Knee Arthroplasty
Arthroplasty, Replacement, Knee, Pain, Postoperative
RecruitingObservational study
The restor3d Outcomes Registry
Joint Replacement, Arthropathy
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Nathan Glusenkamp principal investigator
American Joint Replacement Registry
David G Lewallen, MD study director
American Joint Replacement Registry
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of ARTHROPLASTY, REPLACEMENT, run by American Joint Replacement Registry at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 3 Oct 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Nathan Glusenkamp (8473844028, glusenkamp@aaos.org), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Health Related Quality of Life (time frame: 12 months). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 3 Oct 2025.