ClinicalTrials.gg
TerminatedNCT03293719Updated Nov 19, 2019

Post-market Follow up Study of the 'BPK-S Integration' UC as Primary Implant in the Variants CoCr or Ceramic

An observational study in Osteoarthritis, Osteoarthritis, Knee and Joint Instability, sponsored by Peter Brehm GmbH. Terminated at 1 site in Austria. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2019-11-19.

Primary conditionOsteoarthritis, KneeRegistry: OsteoarthritisReclassifiedWhy we changed it
Registry
Osteoarthritis — the first condition term the registry derived for this study.
ClinicalTrials.gg
Osteoarthritis, Knee
Why
  1. The study's listed conditions name Osteoarthritis, Knee, a narrower term within Osteoarthritis.
Confidence
High: the new condition is named in the study's own listed conditions. Of 351 hand-checked studies reclassified this way, 68% were exactly right and 84% in the right disease family; the registry's first term was right for 5% (measured 2026-10-21). How we classify →
Wrong?
Tell us the study's main condition →

Sponsored by Peter Brehm GmbH · Observational

Why this study was terminated
Monocentric Study, Site reorganised, could no longer participate in study
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
28
Ages
18 Years and older
Sex
All
01

Study summary

Prospective Post-Market Clinical Follow up study according to MEDDEV 2.12/2 rev2 of the European Union. Patients receiving the primary knee implant BPK-S UC as primary implant in either variant ceramic or CoCr (metal) are eligible for the study and will be followed up for 5 years after implantation or until revision of the prosthesis, whichever occurs first. Demographic data will be collected together with data regarding safety and benefit at defined timepoints (preoperative, intraoperative and at 3 months, 1 year, 2 years and 5 years after implantation).

Patients will be divided in 2 cohorts (ceramic and metal) and stratified by age.

02

Conditions studied

  • Osteoarthritis
  • Osteoarthritis, Knee
  • Joint Instability
  • Arthritis
  • Joint Disease
  • Musculoskeletal Disease
  • Rheumatic Diseases
03

In context

Osteoarthritis, Knee Reclassified

3,292 studies on the registry are indexed under Osteoarthritis, Knee; 623 are open to participants now.

This study's enrollment of 28 is below the median of 100 across 486 observational studies indexed under Osteoarthritis, Knee.

Browse Osteoarthritis, Knee studies →

Lead sponsor

Peter Brehm GmbH is the lead sponsor of 3 studies on the registry; none are open to participants now.

Compared within Osteoarthritis, Knee, this study's primary condition as ClinicalTrials.gg classifies it; the registry's first condition term is Osteoarthritis. The counts are of registry records indexed under each term, refreshed daily. How we classify →

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Patients undergoing primary total knee endoprosthesis with BPK-S Integration of age 18 and older

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Congenital or acquired knee joint defects/deformation
  • Defects or malfunction of the knee joint
  • Arthrosis (degenerative, rheumatic)
  • Post-traumatic arthritis
  • Symptomatic knee instability
  • Reconstruction of flexibility
  • Patients with metal (ceramic tibia/femur)

Exclusion criteria

Exclusion Criteria:

  • Illnesses which can be treated without using a knee joint implant.
  • Acute or chronic infections near the implantation
  • Systemic diseases and metabolic disorders
  • Serious osteoporosis
  • Serious damage to the bone structures that impedes stable implantation of the implant components
  • Diseases that impair bone growth, e.g. cancer, renal dialysis, osteopenia, etc.
  • Bone tumors in the area of the implant anchoring
  • Obesity or overweight of the patient
  • Overload of the knee implant to be expected
  • Abuse of medication, drug abuse, alcoholism or mental disease
  • Pregnancy
  • Lack of patient cooperation
  • Sensitivity to foreign matter in the implant materials
  • Patients under the age of 18
  • Patients participating in another trial
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Hypersensitivity

An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.

05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
28 participants (actual)
Patient registry
No

Groups and cohorts

  • Ceramic

    Patients receiving BPK-S Integration UC implant made from BIOLOX delta ceramic

    Device: BPK-S Integration UC

  • CoCr

    Patients receiving BPK-S Integration UC implant made from CoCr (metal)

    Device: BPK-S Integration UC

Interventions

  • DeviceBPK-S Integration UC

    Primary Knee Endoprosthesis

06

What researchers measure

Primary outcomes

  1. Patient relevant benefit after 5 years

    improvement of KSS-Score by at least one category as compared to preoperative basic assessment

    Time frame: 5 years

Secondary outcomes

  1. Patient relevant benefit as measured by American Knee Society Score

    improvement of KSS-Score as compared to preoperative basic assessment

    Time frame: 3 months, 1, 2 and 5 years

  2. Patient relevant benefit as measured by Knee Osteoarthritis Outcome Score

    Improvement of KOOS as compared to preoperative basic assessment

    Time frame: 3 months, 1, 2 and 5 years

  3. Patient Quality of Life

    Improvement of EQ-5D as compared to preoperative basic assessment

    Time frame: 3 months, 1, 2 and 5 years

  4. Implant Loosening Number

    Number of implant loosening due to quality issues with the implant

    Time frame: 3 months, 1, 2 and 5 years

  5. Implant Loosening Reason

    Reason for implant loosening due to quality issues with the implant

    Time frame: 3 months, 1, 2 and 5 years

  6. Revision Number

    Number of revisions, if required

    Time frame: 3 months, 1, 2 and 5 years

  7. Revision Reason

    Reason for revision, if required

    Time frame: 3 months, 1, 2 and 5 years

07

Study locations

1 site
  • SMZ Ost, Donauspital
    Vienna, Oberösterreich 1220, Austria
08

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Ran from Mar 2018 to primary completion in Oct 2019, 18 months.

How these figures are worked out, and which studies are left out of them.

Registered
Sep 19, 2017
First posted
Sep 26, 2017
StartActual
Mar 20, 2018
Primary completionActual
Oct 14, 2019
CompletionActual
Oct 14, 2019
Last update
Nov 19, 2019
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Nov 19, 2019, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT03293719
Lead sponsor
Peter Brehm GmbH
Collaborators
P.R.I.S.M.A.-CRO
Responsible party
Sponsor
First posted
Sep 26, 2017
Start date
Mar 20, 2018
Primary completion
Oct 14, 2019
Completion
Oct 14, 2019
Last update
Nov 19, 2019

Study contacts

Christian E. Berger, Prof.
principal investigator · Sozialmedizinisches Zentrum Ost - Donauspital

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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