HIGH

Elekta Recalls MOSAIQ Oncology System Over Overtreatment Risk

Elekta recalled the MOSAIQ Oncology Information System on December 10, 2025. A malfunction may cause overtreatment in patients due to software issues. Healthcare providers should stop using the device immediately and follow recall instructions.

Quick Facts at a Glance

Recall Date
December 10, 2025
Hazard Level
HIGH
Brand
Elekta
Category
Health & Personal Care
Sold At
Unknown
Geographic Scope
1 states
At-Risk Groups
GENERAL

Hazard Information

Using oncology information system that manages workflow may result in overtreatment if:Plan delivered with Particle Therapy IHE-RO TDW-II interface,With one field per fraction or last field partial treatment,Partial treatment occurs followed by treatment field interruptions with manually recorded partial treatment,Then treatment unit doesn't check meterset value so partial treatment delivered twice

What You Should Do

Patients and healthcare providers should stop using this device immediately. Follow the recall instructions provided by the manufacturer. Contact Elekta, Inc. or your healthcare provider for instructions

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About This Product

The MOSAIQ Oncology Information System is designed to manage workflow in oncology treatment settings. Healthcare providers use it to ensure accurate administration of cancer therapies, including particle therapy.

Why This Is Dangerous

The system's software may incorrectly handle treatment plans, leading to potential overtreatment if proper checks are not conducted. This flaw can result in patients receiving more treatment than necessary, posing serious health risks.

Industry Context

This recall is not part of a broader industry pattern.

Real-World Impact

The recall affects healthcare providers' ability to deliver safe treatments, potentially delaying patient care and requiring adjustments to workflows.

Practical Guidance

How to identify if yours is affected

  1. Check if your oncology information system is the MOSAIQ model mentioned in the recall.
  2. Verify the software version against the affected versions listed in the recall.
  3. Contact Elekta directly with your product details for confirmation.

Where to find product info

Serial numbers and software versions can typically be found in the system settings or on the device's identification label.

What timeline to expect

Expect a response from Elekta regarding the recall instructions within a few days of reporting.

If the manufacturer is unresponsive

  • Document all communication attempts with Elekta.
  • Consider reaching out to the FDA or relevant regulatory body if you do not receive a response.

How to prevent similar issues

  • Look for updated software versions in future purchases.
  • Ensure that any medical device has passed FDA safety certifications before use.
  • Consult peer reviews and safety records of similar products before adoption.

Documentation advice

Keep records of all communications regarding the recall, including emails, phone calls, and any correspondence received from Elekta.

Product Details

The recall affects the MOSAIQ Oncology Information System with Particle Therapy License (License Kit 45700000000IQRO). The software versions involved include MOSAIQ v 3.10.200 and earlier versions up to v 3.2.3.1 with Particle Base. Distribution occurred nationwide in the United States, particularly Texas.

Key Facts

  • Recall date: December 10, 2025
  • Status: Active
  • Class II recall
  • Potential for overtreatment
  • Affected units: 1

Safety Guide

Not sure what to do next? Our guide walks you through the process step by step.

Read: What to Do When You Find a Recalled Product

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Safety Assessment

Risk LevelHIGH
Severity Score
8/ 10
Affected Groups
GENERAL
Injury Types
OTHER

Product Classification

Product Details

Brand
Model Numbers
MOSAIQ v 3.10.200
and 3.1.1.0 up to and including v 3.2.3.1 with Particle Base. Software Versions: 3.10.200
3.1.1.0
3.1.2.0
3.1.3.0
+15 more
Affected States
ALL
Report Date
January 21, 2026
Recall Status
ACTIVE

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