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OsteoarthritisNCT03542045

China ATTUNE® Study

An observational study of Osteoarthritis and Post-traumatic Arthritis, run by DePuy Orthopaedics at 1 site in China.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The study was designed as prospective, single-arm, multi-center which was intended to broadly capture all patients as the technology is adopted. Read more about this study

Who is it for?
Ages 18 to 80 years
Conditions the study is for
Osteoarthritis, Post-traumatic Arthritis
What is being tested?
Cemented ATTUNE® Knee System
Type of treatment
Medical device
How many people
120 participants
Where
1 siteChina
Study dates
12 Apr 2018to 19 Nov 2021
How long will I take part?
2 Years
Phase
Observational
Are there results?
None posted in the registry

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 18 to 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Male and female Subjects who are candidates for primary, total knee arthroplasty between 18 and 80 years of age, inclusive, willing to consent with indications consistent with the Instructions for Use.

Who may be able to join

  • Subjects with Subjects with Osteoarthritis (OA), post-trauma arthritis.
  • Subject is male or female and between the ages of 18 and 80 years old, inclusive.
  • Subject requires a primary total knee replacement with or without un-resurfaced patella and is considered by the Investigator to be suitable for the specific knee prosthesis identified in the protocol.
  • Subject requires unilateral knee replacement or the first knee with ATTUNE system during the study will be enrolled for bilateral knee replacement.
  • Subject, or with the aid of a family member, is able to understand the Informed Consent Document and patient questionnaires.
  • Subject, with the aid of a family member as needed, has given voluntary, written informed consent to participate in this clinical investigation and has authorized the transfer of his/her information to the Sponsor.
  • Subject, in the opinion of the Investigator, is able to understand this clinical investigation and is willing and able to perform all study procedures and follow-up visits and co-operate with investigational procedures.

Who cannot join

  • The Subject has, in the opinion of the Investigator, an existing condition that would compromise their participation and follow-up in this study, e.g. living in distant areas or having difficulty to return to the site, incooperative to surgeons' medical instructions and suggestions.
  • The Subject is a woman who is pregnant or lactating.
  • The Subject, in the opinion of the Investigator, is a drug or alcohol abuser (in the last 5 years) or has a psychological disorder that could affect follow-up care or treatment outcomes.
  • The Subject has participated in a clinical investigation with an investigational product in the last 3 months that could impact/affect the outcome of the current procedure and follow-ups judged by the investigator.
  • The Subject has previous prosthetic knee replacement (any type including unicompartmental, total knee arthroplasty, patellofemoral arthroplasty or ipsilateral Upper Tibial Osteotomy (UTO)/ High Tibial Osteotomy (HTO)) of the affected knee or a previous patellectomy.
  • Subject has significant neurological or musculoskeletal disorders or disease that may adversely affect gait or weight bearing (e.g. muscular dystrophy, multiple sclerosis, cerebral infarction, hemiplegia, Charcot disease, avascular necrosis).
  • The Subject requires a device not specified in the protocol or the surgeon determines that the ATTUNE Knee System is not a suitable treatment.

Trial locations and contacts

1 site in 1 country.

China1 site
  • Yantaishan Hospital

    Yantai, Shangdong, 264001

Other trials in China

About this study

Official title: A Prospective Single-arm Multicenter Study to Evaluate Clinical Performance of Cemented ATTUNE® Knee System in Primary Total Knee Arthroplasty

The study was designed as prospective, single-arm, multi-center which was intended to broadly capture all patients as the technology is adopted.

Read the detailed description

The primary objective is to evaluate the implant survivorship of ATTUNE primary, cemented Knee system in Chinese patients using Kaplan Meier Survivorship at 2 yrs. The subject population is male and female subjects who are candidates for primary, total knee arthroplasty between 18 and 80 years of age, inclusive, willing to consent with indications consistent with the Instructions for Use. A total of 120 subjects will be enrolled in this study.

Being tested
Cemented ATTUNE® Knee System
Medical subject headings
Osteoarthritis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Cemented ATTUNE® Knee SystemDevice

    This product is for total knee arthroplasty. Four implant configurations are permitted: Cruciate Retaining Fixed Bearing (CR FB), Cruciate Retaining Rotating Platform (CR RP), Posterior Stabilizing Fixed Bearing (PS FB) and Posterior Stabilizing Rotating Platform (PS RP)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Implant survivorship.

    To evaluate the implant survivorship of ATTUNE primary, cemented Knee system in Chinese patients using Kaplan Meier Survivorship at 2 yrs.

    Measured: postoperatively 2 years.

Secondary outcomes (9)
  1. Knee society score (KSS) 2011-surgeon portion at post-operative 2 years compared to pre-op baseline.

    Questionnaire.

    Measured: pre-operative and post-operative 2 years.

  2. Knee injury and Osteoarthritis Outcome Score (KOOS) at postoperative 2 years compared to pre-op baseline.

    Questionnaire.

    Measured: Pre-operative baseline and post-operative 2 years.

  3. Euro Quality of life five Dimensions questionnaire five level (EQ5D-5L) at postoperative 2 years compared to pre-op baseline.

    Questionnaire.

    Measured: Pre-operative and post-operative 2 years.

  4. Knee society score (KSS) 2011-patient portion at post-operative 2 years compared to pre-op baseline.

    Questionnaire.

    Measured: Pre-operative baseline and post-operative 2 years.

  5. Adverse events and serious adverse events.

    Type and frequency of adverse events and serious adverse events.

    Measured: Up to post-operative 2 years.

  6. Implant survivorship.

    Kaplan Meier Survivorship at 1 year.

    Measured: Post-operative 1 year.

  7. Health economy.

    Patient total charges in hospital.

    Measured: Post-operative 2 years.

  8. Length of hospital stay.

    Hospitalization duration for primary surgery.

    Measured: Through hospitalization for primary surgery, an average of 2 weeks.

  9. Destination status.

    Home or rehabilitation department/secondary care facility/nursing facility.

    Measured: At discharge of primary surgery, an average of post-operative 7 days.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted31 May 2018
  2. Study start12 Apr 2018
  3. Primary completion19 Nov 2021
  4. Study completion19 Nov 2021

Resources

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
Cohort
Time perspective
Prospective
Enrolment
120 participants (actual)
Target duration
2 Years
IDs, dates and publications
ClinicalTrials.gov ID
NCT03542045
Sponsor's protocol ID
DPS-201701
Status last verified
Apr 2022
First submitted
10 Apr 2018
Last updated
14 Apr 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
Yes

Questions about this trial

What is this clinical trial studying?

An observational study of Osteoarthritis and Post-traumatic Arthritis, run by DePuy Orthopaedics at 1 site in China.

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 7 inclusion and 7 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: finished, as of the sponsor's last update on 14 Apr 2022. 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 China. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Implant survivorship. (time frame: postoperatively 2 years.). 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 14 Apr 2022.

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China ATTUNE® Study (NCT03542045) | AzTrials