New hip implant put to the test: will it stay put?

NCT ID NCT04070989

Terminated Knowledge-focused Sponsor: DePuy Orthopaedics Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at a specific hip implant shell (the Pinnacle Acetabular Shell) used in total hip replacement. Researchers wanted to see how much the implant moved (migrated) over two years using a special X-ray technique called RSA. They also tracked how patients felt and functioned after surgery. The study included 100 people with severe hip arthritis or other hip problems needing a replacement.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Pinnacle Acetabular Shell (hip implant device)
What this could lead to: If successful, this could help surgeons choose the best surgical approach for hip replacement to reduce implant loosening.
What could go wrong: This was a small, early study that was terminated, so results may be limited. It only measured implant movement, not long-term outcomes.

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

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Conditions

The condition(s) this trial relates to.

avascular necrosis of femoral head, primary, 1 developmental dysplasia of the hip femoral neck fracture osteoarthritis rheumatoid arthritis

As listed by the trial registrant

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

DEGENERATIVE ARTHRITIS OSTEOARTHRITIS

Contacts and locations

Locations

Concordia Joint Replacement Group, Concordia Hip and Knee Institute & University of Manitoba

Winnipeg, Manitoba, Canada
London Health Sciences Centre

London, Ontario, Canada
QEII Health Sciences Centre & Dalhousie University

Halifax, Nova Scotia, Canada

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