Clinical Trial

Nexus Evaluation Primary Trident II Uncemented Shell

Study acronym: NEPTUNE
Active, Not Recruiting
View on ClinicalTrials.gov →
Summary
This is a prospective cohort study assessing the survival of a new acetabula component which is based on the original Trident acetabular system (cementless shell) which is used for Total Hip Arthroplasty. The manufacturer recently introduced the evolution of this product, the Trident® II acetabular shell which was launched in 2017. This implant is CE marked and is now widely available for the UK market, however has minimal clinical outcomes data to support its use. As part of a stepwise introduction of devices to orthopaedic practice. This study will report the 10 year implant survival and patient functional outcomes of this new implant.
Protocol Amendment History 8 amendments
This ClinicalTrials.gov record has been amended 8 times since 2022-05-04; most recent amendment 2026-02-11.
Status change: Recruiting → Active, Not Recruiting 2025-02-11
Status change: Not Yet Recruiting → Recruiting 2022-09-27
Trial Details
NCT Number NCT05366712
Lead Sponsor NHS Lothian
Collaborators: University of Edinburgh
Conditions Arthritis of Hip, Hip Dysplasia, Hip Arthropathy, Hip Osteoarthritis
Enrollment 125 participants
Start Date 2022-06-01
Primary Completion 2024-11-25 (estimated)
Study Completion 2034-11-25 (estimated)
Updated on ClinicalTrials.gov 2026-02-13