Increased risk of wear and corrosion identified with certain cobalt chrome modular neck hip replacements

The Medicines and Healthcare products Regulatory Agency (MHRA) has identified an increased risk of wear and corrosion in cobalt-chrome modular neck hip replacements. As a precaution, NHS trusts are instructed to notify and invite approximately 750 patients with these devices for clinical reviews.

What changed: NHS trusts and hospitals are advised to identify patients with specific cobalt-chrome modular neck components and invite them for clinical reviews to discuss potential risks.

Why it matters: This revision is crucial as complications such as tissue reactions from wear can necessitate revision surgeries, affecting patient safety and healthcare outcomes.

Practical implication: Healthcare providers must implement a follow-up process for patients with identified cobalt-chrome modular neck components, monitoring for new or unexpected symptoms including pain, stiffness, or instability.

• Vigilance, safety alerts and guidance
• published in 2025
• Cobalt-chrome modular neck hip replacements: risk of metal-wear effects and revision surgery (DSI/2026/010) - GOV.UK
• Open Government Licence v3.0
• Profemur Cobalt Chrome Modular Neck Hip Replacements: Higher than anticipated risk of revision surgery, metal-wear effec
• Cobalt-chrome modular neck hip replacements: risk of metal-wear effects and revision surgery (DSI/2026/010)

• Profemur Cobalt Chrome Modular Neck Hip Replacements
• DEVICE SAFETY INFORMATION (DSI)

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• Source: MHRA - News and communications
• Published at source: 2026-08-26T00:00:00.000Z
• Discovered by monitor: 2026-08-26T23:35:59.462Z

Published from the regulator source ingestion pipeline after PV impact triage.