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. 2022 Jan 6;15(1):75. doi: 10.3390/ph15010075

Table 3.

FDA-approved liquid biopsy tests for companion diagnostics.

Companion
Diagnostic Test
Drugs Disease Type/
Sample Type
Mutation Technique for
Mutation Detection
Manufacturer
cobas EGFR
mutation test
erlotinib (Tarceva),
osimertinib (Tagrisso), gefitinib (Iressa)
NSCLC/plasma EGFR mutations
(exon 19 deletions, L858R mutation),
T790M mutation
Real time polymerase chain reaction (RT-PCR) Roche
Guardant 360 CDx osimertinib (Tagrisso) NSCLC/lasma EGFR mutation Next-generation
sequencing
Guardant
amivantamab
(Rybrevant)
EGFR mutation
(exon 20 mutation)
FoundationOne
Liquid CDx
rucaparib (Rubarca) Ovarian cancer/plasma BRCA1, BRCA2 Next-generation
sequencing
Foundation One
alectinib (Alecensa) NSCLC ALK rearrangement
alpelsib (Piqray) Breast cancer PIK3CA
olaparib (Lynparza) mCRPC/plasma BRCA1, BRCA2, ATM
rucaparib (Rubarca),
AR-directed therapy,
Taxane
mCRPC/plasma BRCA1, BRCA2
gefitinib (Iressa),
osimertinib (Tagrisso), erlotinib (Tarceva)
Lung cancer EGFR mutations
(exon 19 deletions, L858R mutation)
capmatinib
(Tabrecta, Novartis)
NSCLC MET
(exon 14 mutations)
therascreen PIK3CA RGQ PCR Kit alpelsib (Piqray) Breast cancer/plasma PIK3CA Real-time polymerase chain reaction (RT-PCR) Qiagen GmbH
ArcherDx’s
ArcherMET Assay
tepotinib
(Tepmetko, Merck KGaA)
NSCLC/plasma MET
(exon 14 skipping)
Next-generation
sequencing
Archer