Clinical Study With the seleXys PC and the RM Pressfit Vitamys Cup

NCT ID: NCT03260465

Last Updated: 2025-02-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

53 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-10-30

Study Completion Date

2025-08-31

Brief Summary

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This is a randomized controlled trial with the seleXys PC cup and RM Pressfit vitamys cup in combination with the optimys short stem. Wear rate and migration is assessed with roentgen stereophotogrammetric analysis (RSA) measurements.

Detailed Description

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Conditions

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Hip Joint Arthritis, Degenerative

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

prospective, randomised single-center study with 2 treatment arms.
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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seleXys PC

seleXys PC cup combined with the optimys stem

Group Type EXPERIMENTAL

seleXys PC

Intervention Type DEVICE

Total hip arthroplasty using the seleXys PC cup

RM

RM Pressfit vitamys cup combined with the optimys stem

Group Type ACTIVE_COMPARATOR

RM

Intervention Type DEVICE

Total hip arthroplasty using the RM cup

Interventions

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seleXys PC

Total hip arthroplasty using the seleXys PC cup

Intervention Type DEVICE

RM

Total hip arthroplasty using the RM cup

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Patients with symptomatic arthritis who are candidates for a primary total hip arthroplasty with an uncemented femoral stem as determined jointly by the surgeon and the patient.
* Patients suitable for an uncemented acetabular component in combination with a 36mm femoral head (seleXys PC cup: 52mm, 54mm or 56mm; RM Pressfit vitamys: 52mm, 54mm or 56mm)
* Patients between the ages of 50 and 75 inclusive
* Patients who understand the conditions of the study and are willing to participate for the length of the prescribed follow-up

Exclusion Criteria

* Patients that require an acetabular cup size which cannot be used in combination with a 36mm femoral head
* Patients that offer no guarantee for regular follow-up controls
* Patients that have a revision surgery
* Patients that have a fracture of the femoral neck or a bone tumour in the area of the femur or pelvis
* Patients that had a previous osteotomy of the femur or pelvis
* Pregnant women or those seeking to become pregnant
* Patients with a history of active infection
Minimum Eligible Age

50 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University Hospital, Basel, Switzerland

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Karl Stoffel, Prof. Dr. med.

Role: PRINCIPAL_INVESTIGATOR

Klinik für Orthopädie und Traumatologie, Universitätsspital Basel

Locations

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Klinik für Orthopädie und Traumatologie, University Hospital Basel

Basel, Basel-Landschaft, Switzerland

Site Status

Countries

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Switzerland

Other Identifiers

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2017-00832; mu21Stoffel

Identifier Type: -

Identifier Source: org_study_id

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