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Pyrogen and Endotoxins Testing: Questions and Answers

FinalCenter for Veterinary Medicine Human Foods Program Center for Drug Evaluation and Research Center for Devices and Radiological Health Center for Biologics Evaluation and Research06/28/2012

Description

This guidance provides recommendations for biological product, drug, and device firms on FDA’s current thinking concerning the testing recommendations and acceptance criteria in the United States Pharmacopeia (USP) Chapter Bacterial Endotoxins Test, USP Chapter Transfusion and Infusion Assemblies and Similar Medical Devices, and the Association for the Advancement of Medical Instrumentation (AAMI) ST72:2002/R2010, Bacterial Endotoxins—Test Methodologies, Routine Monitoring, and Alternatives to Batch Testing (AAMI ST72). These three documents describe the fundamental principles of the gel clot, photometric, and kinetic test methods, and recommend that appropriate components and finished products be tested for the presence of pyrogens and endotoxins.

Scope & Applicability

Product Classes

4
Medical Devices

Medical devices intended for human use; Approved or cleared medical devices

veterinary product

Determining endotoxins limits for products targeting multiple species.

Biological Product

Regulated under section 351(i) of the PHS Act; Virus, therapeutic serum, toxin, vaccine, or protein applicable to prevention or treatment; Alternative regulation category for products meeting device definition

Class III Device

Generally recommended for Enhanced Documentation; Regulatory classification mentioned for implantable sensors and HPV tests; Mentioned in the context of an in vitro nucleic acid test for CMV DNA.

Regulatory Context

Attributes

1
Maximum Valid Dilution

The dilution of a sample at which the endotoxins limit would be detected.

Identified Hazards

Hazards

2
Pyrogen

A substance that induces a febrile reaction in a patient.

Endotoxins

Pyrogenic substances monitored in cleaning studies

Related CFR Sections (6)

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See Also (8)