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Cartilage InjuryNCT01473199

BioPoly RS Knee Registry Study for Cartilage Defect Replacement

A study testing BioPoly RS Partial Resurfacing Knee Implant in people with Cartilage Injury and Defect of Articular Cartilage, run by BioPoly LLC at 5 sites in United Kingdom.

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

Information will be collected on the pre-op and post-op clinical status of patients with focal cartilage defects of the femoral condyles treated with the BioPoly RS Partial Resurfacing Knee Implant, a permanent orthopaedic implant. Read more about this study

Who is it for?
Ages 21 years and older
What is being tested?
BioPoly RS Partial Resurfacing Knee Implant
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
38 participants
Where
5 sitesUnited Kingdom
Study dates
Nov 2011to Dec 2021
Phase
Interventional
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 21 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Cartilage lesion located in weight bearing region of medial or lateral femoral condyles that have failed prior therapy (conservative or surgical)
  • Lesion classified as ICRS Grade 2, 3, or 4

Who cannot join

  • Body mass index (BMI) of 30 or more
  • Osteoarthritis or rheumatoid arthritis
  • Gout
  • Uncorrected mal-alignment, ligamentous instability, or meniscal tear
  • Total meniscectomy
  • Kissing lesion on tibia

Trial locations and contacts

5 sites in 1 country.

5 sites in 1 country

United Kingdom5 sites
  • Chester Knee Clinic, Nuffield Health The Grosvenor Hospital Chester

    Chester, England, CH4 7QP

  • Aintree University Hospital

    Liverpool, England, L9 7AL

  • The London Clinic

    London, England, W1G 6HL

  • Charing Cross Hospital

    London, England, W6 8RF

  • Royal National Orthopaedic Hospital

    Stanmore, England, HA7 4LP

Other trials in United Kingdom

About this study

Official title: Multi-centre, Open Label, Prospective, Consecutive Series Registry Database of BioPoly RS Partial Resurfacing Knee Implant

Information will be collected on the pre-op and post-op clinical status of patients with focal cartilage defects of the femoral condyles treated with the BioPoly RS Partial Resurfacing Knee Implant, a permanent orthopaedic implant. The overall aim of the study is to increase the knowledge of patient outcomes such as pain, knee function, level of activity, and overall quality of life after treatment with the device.

Read the detailed description

Information will be collected on the pre-op and post-op clinical status of patients with focal cartilage defects of the femoral condyles treated with the BioPoly RS Partial Resurfacing Knee Implant, a permanent orthopaedic implant. The overall aim of the study is to increase the knowledge of patient outcomes such as pain, knee function, level of activity, and overall quality of life after treatment with the device. Patients will be followed for 5 years after surgery.

Being tested
BioPoly RS Partial Resurfacing Knee Implant
Keywords
focal defect, focal lesion, chondral lesion, osteochondral lesion

What participants receive

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

  • BioPoly RS Partial Resurfacing Knee ImplantDevice

    A long term, surgically invasive device for replacement of focal osteochondral defects in the weight bearing region of the femoral condyles.

Study groups in NCT01473199
Study groupRoleWhat they receive
BioPoly RS ImplantExperimentalBioPoly RS Implant
Receives: Device: BioPoly RS Partial Resurfacing Knee Implant

What is being measured

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

  1. Knee Injury and Osteoarthritis Outcome Score (KOOS)

    Knee function assessment

    Measured: 6 months

  2. Knee Injury and Osteoarthritis Outcome Score (KOOS)

    Knee function assessment

    Measured: 2 years

Secondary outcomes (4)
  1. Knee Injury and Osteoarthritis Outcome Score (KOOS)

    Knee function assessment

    Measured: Through 5 years

  2. VAS Pain

    Visual analogue scale for assessment of pain

    Measured: Through 5 years

  3. Tegner Activity

    Measurement of patient's activity level

    Measured: Through 5 years

  4. SF-36

    Assessment of patient's overall quality of life

    Measured: Through 5 years

Timeline

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

  1. First posted17 Nov 2011 (estimated)
  2. Study startNov 2011
  3. Primary completionDec 2016
  4. Study completionDec 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
38 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01473199
Sponsor's protocol ID
1151001
Status last verified
Jan 2022
First submitted
10 Nov 2011
Last updated
1 Feb 2022
Results posted
No
Data monitoring committee
No

Publications

  • Nathwani D, McNicholas M, Hart A, Miles J, Bobic V. Partial Resurfacing of the Knee with the BioPoly Implant: Interim Report at 2 Years. JB JS Open Access. 2017 Apr 6;2(2):e0011. doi: 10.2106/JBJS.OA.16.00011. eCollection 2017 Jun 26.

    PubMed 30229214

Questions about this trial

What is this clinical trial studying?

A study testing BioPoly RS Partial Resurfacing Knee Implant in people with Cartilage Injury and Defect of Articular Cartilage, run by BioPoly LLC at 5 sites in United Kingdom.

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 2 inclusion and 6 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 1 Feb 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 5 sites in United Kingdom. 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?

Knee Injury and Osteoarthritis Outcome Score (KOOS) (time frame: 6 months). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01473199, which also lists 1 linked publication.

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 1 Feb 2022.

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