---
title: A Clinical Evaluation of Wear Couples in THA
nct_id: NCT00374946
overall_status: COMPLETED
sponsor: Frederiksberg University Hospital
study_type: OBSERVATIONAL
primary_condition: Articular Bearing Surface Wear of Prosthetic Joint
canonical_url: "https://parkinsonspathways.com/agent/trials/NCT00374946.md"
clinicaltrials_gov: "https://clinicaltrials.gov/study/NCT00374946"
ct_last_update_post_date: 2017-03-24
last_seen_at: "2026-05-12T07:01:02.085Z"
source: ClinicalTrials.gov (mirrored, no enrichment)
---
# A Clinical Evaluation of Wear Couples in THA

**Official Title:** A Randomised Controlled Clinical Study Ofbearing Surfaces in Four Hybrid Prosthesis - Results After 10 Years

**NCT ID:** [NCT00374946](https://clinicaltrials.gov/study/NCT00374946)

## Key Facts

- **Status:** COMPLETED
- **Study Type:** OBSERVATIONAL
- **Target Enrollment:** 392
- **Lead Sponsor:** Frederiksberg University Hospital
- **Conditions:** Articular Bearing Surface Wear of Prosthetic Joint, Wear of Articular Bearing Surface of Prosthetic Joint, Prosthesis Survival
- **Start Date:** 2000-12
- **Completion Date:** 2013-12
- **CT.gov Last Update:** 2017-03-24

## Brief Summary

Clinical evaluation of 4 different bearings in THA. Primary parameter being prosthetic survival data.

## Eligibility

- **Minimum age:** 18 Years
- **Sex:** ALL
- **Healthy Volunteers:** No

```
Inclusion Criteria:

* \>18 Willing to participate informed consents indication for THA

Exclusion Criteria:

* \<18 other diseases in the lower extremities than the actual disorder of the hip
```

## Arms

- **A** — THA. Bearing of Zirconia head and UHMWPE liner
- **B** — THA. Bearing of CO-Cr-Mo head and liner
- **C** — THA. Head og Zirconia head and UHMWPE moulded in shell (Asian)
- **D** — THA. Head and shell og Alumina ceramic

## Interventions

- **THA** (DEVICE)

## Recent Field Changes (last 30 days)

- `status.overallStatus` — added _(2026-05-12)_
- `status.primaryCompletionDate` — added _(2026-05-12)_
- `status.completionDate` — added _(2026-05-12)_
- `status.lastUpdatePostDate` — added _(2026-05-12)_
- `design.enrollmentCount` — added _(2026-05-12)_
- `eligibility.criteria` — added _(2026-05-12)_
- `eligibility.minAge` — added _(2026-05-12)_
- `eligibility.sex` — added _(2026-05-12)_
- `armsInterventions.arms` — added _(2026-05-12)_
- `armsInterventions.interventions` — added _(2026-05-12)_
- `sponsor.lead` — added _(2026-05-12)_
- `results.hasResults` — added _(2026-05-12)_

---

*Canonical: https://parkinsonspathways.com/agent/trials/NCT00374946.md*  
*Source data (authoritative): https://clinicaltrials.gov/study/NCT00374946*  
*This page is a raw mirror with no AI summary, no editorial enrichment, and no Parkinson's-specific filtering.*