Actively Recruiting

Phase Not Applicable
Age: 70Years +
All Genders
NCT04031820

Dual-mobility Cups Compared to Unipolar Cups on Dislocation and Cost-effectiveness After Primary Total Hip Arthroplasty.

Led by JointResearch · Updated on 2025-02-28

1100

Participants Needed

1

Research Sites

434 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Objective: The primary objective is to investigate whether there is a difference in the number of hip dislocations following primary total hip arthroplasty (THA), using the posterolateral approach, with a DM cup compared to a unipolar cup in elderly patients 1 year after surgery. Study design: Prospective multi-center nation wide, single blinded RCT nested in the LROI. Study population: Patients ≥ 70 years old, undergoing an elective primary cemented THA.

CONDITIONS

Official Title

Dual-mobility Cups Compared to Unipolar Cups on Dislocation and Cost-effectiveness After Primary Total Hip Arthroplasty.

Who Can Participate

Age: 70Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

Inclusion Criteria:

  • Patients who are eligible for elective primary THA with a cemented cup, with a 32mm or 36 mm liner, for any indication.
  • THA using posterolateral surgical approach.
  • Patients ≥ 70 years old
  • Adequate comprehension of written and spoken Dutch

Exclusion Criteria

  • Patients unable to complete PROMs

  • Patients with dementia, epilepsy*, spasticity*, mental retardation or alcoholism. (If dementia or mental retardation is not already mentioned in the medical chart, this can be determined by doctors opinion.)

  • Patients not eligible for either a unipolar or a DM cup

    • These patients will be asked to participate in the non-randomized dual mobility observational cohort.
Not Eligible

You will not qualify if you...

History of severe allergic reactions to study medication Currently pregnant or breastfeeding Recent participation in another clinical trial within the last 30 days Presence of uncontrolled medical conditions that could affect safety

AI-Screening

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Trial Site Locations

Total: 1 location

1

OLVG

Amsterdam, Netherlands, 1091 AC

Actively Recruiting

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Research Team

L

Loes van Beers, MSc

CONTACT

N

Nienke Willigenburg, PhD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

SINGLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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