New hip implant shows promise in 10-Year study

NCT ID NCT02648152

Completed Disease control Sponsor: Smith & Nephew, Inc. Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study followed 218 people who received a cementless POLARSTEM hip implant to treat osteoarthritis. Researchers tracked how well the implant worked and how long it lasted over up to 10 years. The goal was to see if this implant is a safe and effective option for hip replacement.

What this could mean

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

Active substance: Cementless POLARSTEM hip implant
What this could lead to: If successful, this could confirm that the POLARSTEM implant is a reliable, long-lasting option for hip replacement in people with osteoarthritis.
What could go wrong: This is an observational study, not a controlled trial, so results may not apply to all patients. Some implants may fail or require revision over time.

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.

osteoarthritis

As listed by the trial registrant

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

OSTEOARTHRITIS

Contacts and locations

Locations

Kantonsspital Aarau, Orthopedics

Aarau, 5001, Switzerland
St. Elisabeth Hospital, Orthopedics and Rheumatology

Bochum, 44787, Germany
University Marburg, Orthopedics and Rheumatology

Marburg, Germany

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