Corrective and Preventive Action (CAPA)
Corrective and Preventive Action (CAPA) is a structured quality-system process for investigating problems, fixing their root cause, and preventing recurrence. Required in medical-device and pharmaceutical manufacturing under quality regulations, CAPA documents the issue, the corrective fix, and preventive controls for sustained compliance.
What is Corrective and Preventive Action (CAPA)?
Corrective and Preventive Action (CAPA) is a formal quality-system process for responding to problems in a way that both fixes the immediate issue and stops it from happening again. The corrective half addresses a defect or nonconformance that has already occurred, while the preventive half puts controls in place to head off similar problems before they surface.
A CAPA record walks through a disciplined sequence: describing the problem, investigating its root cause, defining the action taken, and verifying that the action actually worked. It is a cornerstone of quality systems in medical-device and pharmaceutical manufacturing, where regulators expect the full chain of reasoning to be documented.
Why does CAPA matter for quality and safety?
Without a structured CAPA process, organizations tend to patch symptoms repeatedly without ever eliminating the underlying cause, allowing the same failures to recur and erode safety. By forcing a root-cause investigation and a verification step, CAPA turns isolated incidents into durable improvements.
In regulated settings, a weak or missing CAPA system is one of the most common findings in inspections and audits. Demonstrating a closed-loop CAPA process signals that an organization can detect, understand, and permanently resolve quality problems, which is central to maintaining compliance and protecting patients.
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