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New hip cup under observation: will it last?

NCT ID NCT04255966

Knowledge-focused Sponsor: Aesculap AG Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is observing 60 people who received a special hip replacement cup (Plasmafit Revision Structan) during routine surgery. Researchers are checking how well the cup works and how long it lasts by tracking hip function and any need for repeat surgery. No new treatment is being tested—this is just gathering real-world data on an existing device.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

60 people

The number who actually took part.

Started

Apr 2021

Expected to finish

Jun 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients having acute disorders of the hip, requiring primary or revision surgery, which cannot be treated by other therapies: * Degenerative osteoarthritis * Rheumatic arthritis * Fractures of the joint * Femoral head necrosis * Revision surgery where a sufficient intraoperative press-fit can be achieved

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria * Indication for the cementless Plasmafit® Revision Structan® Hip Endoprosthesis Cup (primary and revision cases, with bone conditions typically demanding a press-fit revision cup) * Written informed consent * Cases where a press-fit cup fixation is possible Exclusion Criteria * Patients \< 18 years * Pregnant patients * Patients not able to comply with the study demands, i.e. follow-up visits (mentally or physically) * Patient has an infection in the hip joint region

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Conditions

The condition(s) this trial relates to.

arthropathy avascular necrosis of femoral head, primary, 1 familial avascular necrosis of femoral head hip fracture lytic metastatic bone lesion osteoarthritis Prosthesis Failure rheumatic fever rheumatoid arthritis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Arthroplasty complications Degenerative osteoarthritis Femoral head avascular necrosis Fractures, hip Instability of prosthetic joint Osteolysis Prosthesis failure Rheumatic arthritis

Contacts and locations

Locations

  • Gemeinschaftskrankenhaus Bonn

    Bonn, North Rhine-Westphalia, 53113, Germany

  • Herzogin Elisabeth Hospital

    Braunschweig, Niedersachse, 38124, Germany

  • Orthopädische Klinik König-Ludwig-Haus

    Würzburg, Bavaria, 97074, Germany

  • Universitätsklinikum des Saarlandes

    Homburg, Saarland, 66421, Germany

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