HRD

BiomarkerHRD

Homologous recombination deficiency reflects impaired DNA repair capability. HRD status is used to identify patients likely to benefit from PARP inhibitor therapies.

Approvals
1
Indications
1
Therapies
1
Mapped tests
1

Where this biomarker is used

Each approval combines this biomarker with a specific indication and therapy. Select a therapy in the tables below to open its FDA-defined testing pathway.

Indication-specific approvals

Approvals where HRD is defined directly in the indication labeling.

IndicationBiomarker criteriaTherapies
Ovarian Cancer
Solid Tumor · Ovary
  • Deleterious or suspected deleterious mutations in BRCA1 and BRCA2 genes and/or positive Genomic Instability Score
Tumor-agnostic approvals

Approvals defined at the solid tumor level where HRD is part of the eligibility criteria.

No tumor-agnostic approvals are currently mapped for this biomarker.

Tests that measure this biomarker

These assays report HRD as part of their validated menu. In many cases they are identified in FDA labeling as acceptable companion diagnostics for specific approvals.

Test
Myriad myChoice CDx
Myriad Genetics
Method
NGS
Specimen
Tissue (FFPE)

Reports HRD as part of its biomarker panel.

This view is scoped to HRD. You can also see how it compares with other biomarkers and indications on the Know Your Companions™ map.
HRD Biomarker | CDxTests.com | CDx Tests