Central Alerting System Homepage


The Central Alerting System (CAS) is a web-based cascading system for issuing patient safety alerts, important public health messages and other safety critical information and guidance to the NHS and others, including independent providers of health and social care.

Alerts available on the CAS website include NHS Improvement Patient Safety Alerts (PSA) and Estates Alerts, MHRA Dear Doctor letters, Medical Device Alerts (MDA) and Drug Alerts, Chief Medical Officer (CMO) Alerts, and Department of Health & Social Care Supply Disruption alerts.

Useful links:

The Medicines and Healthcare products Regulatory Agency: http://gov.uk/mhra

NHS Improvement: https://improvement.nhs.uk/resources/patient-safety-alerts/

National Reporting & Learning System: email: patientsafetyhelpdesk@nrls.nhs.uk

The Chief Medical Officer (for England): https://www.gov.uk/government/people/sally-davies

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MDA/2018/022R - additional information has been added under 'Device details' in section 3 with sentences above each figure to help identify affected devices. Please note that the action dates have been updated to reflect this, so subscribers will receive a second email. CAS liaison officers please close off alert MDA/2018/022 as action not required - superseded by alert MDA/2018/022R. (Added 6 July 2018).

NHS/PSA/RE/2018/004: we have now updated the attachment to show 27 June. Subscribers will receive a second email, please be assured that the only change is to the date of ...
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Contact our helpdesk

Telephone: 020 3080 6747
Email: safetyalerts@mhra.gov.uk

Medicines and Healthcare products Regulatory Agency