Massachusetts General Hospital Evaluation of DePuy ASR Hip System
Public ClinicalTrials.gov record NCT01611233. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Clinical Follow-up of ASR Patients Post-Recall
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
DePuy Orthopaedics has issued a voluntary recall of the ASR hip replacement system due to a higher than expected revision rate reported in the England/Wales and Australian national joint registries. There are two types of ASR hip implants used for total hip replacement surgery: * ASR XL Hip System * ASR Hip Resurfacing System Massachusetts General Hospital (MGH) in Boston, USA is the study sponsor. MGH is conducting this study with the help of funding from DePuy Orthopaedics. MGH will collect and analyze clinical information from 5,000 subjects around the world. The countries include the United States of America, Australia, South Africa, England, Denmark, Finland and Sweden. MGH will collect and analyze blood test results, X-rays, soft tissue imaging and how well the ASR hips are functioning. MGH will analyze the data annually for 6 years. The purpose of this study is to follow patients who have the ASR hip system for the next 6 years. The findings of this study may help surgeons to make better informed decisions about monitoring and treatment of patients with ASR hip systems.
Study identification
- NCT ID
- NCT01611233
- Recruitment status
- Not listed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 1,950 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 21 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 31, 2012
- Primary completion
- Mar 31, 2022
- Completion
- Nov 30, 2022
- Last update posted
- Jan 6, 2021
2012 – 2022
United States locations
- U.S. sites
- 5
- U.S. states
- 5
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Northshore University HealthSystem, Glenbrook Hospital | Glenview | Illinois | 60201 | — |
| Summit Orthopedics | Woodbury | Minnesota | 55125 | — |
| Syracuse Orthopedic Specialists | Syracuse | New York | 13214 | — |
| Duke University Medical Center | Durham | North Carolina | 27710 | — |
| Texas Hip and Knee Center | Fort Worth | Texas | 76104 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 8 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01611233, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jan 6, 2021 · Synced Sep 18, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01611233 live on ClinicalTrials.gov.