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Pharmacogenetic Tests and Genetic Tests for Heritable Markers: Guidance for Industry and FDA Staff

FinalCenter for Devices and Radiological Health Center for Drug Evaluation and Research Center for Biologics Evaluation and Research02/09/2006

Description

Thisguidance documentis intended to facilitate progress in the field of pharmacogenomics and genetics by helping to shorten development and review timelines, facilitate rapid transfer of new technology from the research bench to the clinical diagnostic laboratory, and encourage informed use of pharmacogenomic and genetic diagnostic devices. It provides recommendations to sponsors and FDA reviewers in preparing and reviewing premarket approval applications (PMA) and premarket notification (510(k)) submissions for pharmacogenetic and other human genetic tests, whether testing is for single markers or for multiple markers simultaneously (multiplex tests). Array-based tests (commonly referred to as microarrays) are a subset of multiplex tests and are included in the scope of this document. The recommendations within this guidance for elements of a genetic test submission apply to pharmacogenetic (e.g., drug-metabolizing enzyme allele tests, single nucleotide polymorphism (SNP) analysis) and other types of genetic tests. Tests of gene expression and tests for non-heritable (somatic) mutations are not specifically addressed, although many of the same principles may apply. In addition, this guidance considers nucleic acid-based analysis only, but the principles may be applied to other matrices (e.g., protein) when the purpose is to provide genetic information.

Scope & Applicability

Product Classes

4
Pharmacogenetic Tests

Guidance for preparing and reviewing submissions for pharmacogenetic and other human genetic tests.; Tests intended to provide information to aid in selection of certain therapeutics

Diagnostic devices

Eligible based on number of individuals subjected to diagnosis

Genetic Tests for Heritable Markers

Guidance scope includes tests for heritable markers, whether single or multiplex.

Genetic Tests

Tests for heritable markers or disease risk; Guidance for samples from individuals with diseases or conditions

Stakeholders

2
Sponsor

Entity responsible for submitting applications under section 524B

Manufacturer

Entity responsible for submitting NDINs

Regulatory Context

Attributes

6
Intended Use

Evidence of a new intended use based on communications

test performance

determination that the test reliably and reproducibly identifies the marker

clinical validity

determination that the device marker(s) are truly informative

clinical truth

defined as the best clinical evidence for a specific diagnosis or allele assignment

level of concern

Software documentation requirements based on risk level

Indications for Use

conformity with an FDA-recognized standard can help demonstrate that an NGS-based test developer has performed the activities necessary to identify the indications for use; number and types of samples used in the study should be statistically justified for the test’s indications for use; If a modification expands the indications for use beyond aiding in the diagnosis of symptomatic individuals; Acceptable performance levels depend on these

Identified Hazards

Hazards

1
Probe cross-hybridization

Risk for specific and non-specific probe interaction in multiplex tests

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