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Table. 1. Pharmacogenetic target gene–drug pairs with concordantly strong levels of evidence according to the CPIC and PharmGKB databases
Gene Drugs Category CPIC level (status) PharmGKB LOE FDA Label* Publications (PMIDs)
ABCG2 Rosuvastatin Metabolism/PK, toxicity A (final) 1A 35152405
CACNA1S Desflurane, enflurane, isoflurane, sevoflurane, succinylcholine Toxicity A (final) 1A Actionable PGx 30499100
Halothane, methoxyflurane Toxicity A (final) 1A 30499100
CFTR Ivacaftor Efficacy A (final) 1A Testing required 24598717
CYP2B6 Efavirenz Metabolism/PK, toxicity A (final) 1A Actionable PGx 31006110
Sertraline Metabolism/PK B (final) 1A 37032427
CYP2C19 Amitriptyline Metabolism/PK A (final) 1A 23486447; 27997040
Citalopram, escitalopram Metabolism/PK, toxicity A (final) 1A Actionable PGx 25974703; 37032427
Clomipramine, imipramine, trimipramine Metabolism/PK B (final) 1A 23486447; 27997040
Clopidogrel Efficacy, metabolism/PK, toxicity A (final) 1A Actionable PGx 21716271; 23698643; 35034351
Dexlansoprazole Metabolism/PK B (final) 1A Actionable PGx 32770672
Doxepin Metabolism/PK B (final) 1A Actionable PGx 23486447; 27997040
Lansoprazole Efficacy, metabolism/PK A (final) 1A 32770672
Lornoxicam Metabolism/PK A (final) 1A 32189324
Omeprazole, pantoprazole Efficacy, metabolism/PK A (final) 1A Actionable PGx 32770672
Sertraline Metabolism/PK A (final) 1A 25974703; 37032427
Voriconazole Metabolism/PK A (final) 1A Actionable PGx 27981572
CYP2C9 Celecoxib, flurbiprofen, meloxicam, piroxicam Metabolism/PK A (final) 1A Actionable PGx 32189324
Fluvastatin Metabolism/PK, toxicity A (final) 1A 35152405
Ibuprofen, lornoxicam, tenoxicam Metabolism/PK A (final) 1A 32189324
Phenytoin Metabolism/PK, toxicity A (final) 1A Actionable PGx 25099164; 32779747
Siponimod Metabolism/PK A (provisional) 1A Testing required 29273968
Warfarin Dosage, toxicity A (final) 1A Actionable PGx 21900891; 28198005
CYP2D6 Amitriptyline, nortriptyline Metabolism/PK, toxicity A (final) 1A Actionable PGx 23486447; 27997040
Atomoxetine Metabolism/PK, toxicity A (final) 1A Actionable PGx 30801677
Clomipramine, desipramine, doxepin, fluvoxamine, imipramine, trimipramine Dosage, metabolism/PK, toxicity B (final) 1A Actionable PGx 23486447; 27997040
Codeine Efficacy, metabolism/PK, toxicity A (final) 1A Actionable PGx 22205192; 24458010; 33387367
Hydrocodone Efficacy, metabolism/PK B (final) 1A 33387367
Ondansetron Efficacy A (final) 1A Informative PGx 28002639
Paroxetine Metabolism/PK A (final) 1A 25974703; 37032427
Tamoxifen Efficacy, metabolism/PK A (final) 1A Actionable PGx 29385237
Tramadol Efficacy, metabolism/PK, toxicity A (final) 1A Actionable PGx 33387367
Tropisetron Efficacy, metabolism/PK A (final) 1A 28002639
Venlafaxine Metabolism/PK, toxicity B (final) 1A Actionable PGx 37032427
Vortioxetine Metabolism/PK A (final) 1A Actionable PGx 37032427
CYP3A5 Tacrolimus Dosage, metabolism/PK A (final) 1A 25801146
CYP4F2 Warfarin Dosage A (final) 1A 21900891; 28198005
DPYD Capecitabine Toxicity A (final) 1A Testing recommended 23988873; 29152729
Fluorouracil Toxicity, other A (final) 1A Actionable PGx 23988873; 29152729
G6PD Rasburicase Toxicity A (final) 1A Testing required 24787449; 36049896
HLA-A Carbamazepine (*31:01) Toxicity A (final) 1A Actionable PGx 23695185; 29392710
HLA-B Abacavir (*57:01) Toxicity A (final) 1A Testing required 24561393; 22378157
Allopurinol (*58:01) Toxicity A (final) 1A Testing recommended 23232549; 26094938
Carbamazepine (*15:02, *15:11), oxcarbazepine (*15:02) Toxicity A (final) 1A Testing recommended 23695185; 29392710
Phenytoin (*15:02) Toxicity A (final) 1A Actionable PGx 25099164; 32779747
IFNL3 Peginterferon alfa-2a Efficacy A (final) 1B 24096968
Peginterferon alfa-2b Efficacy A (final) 1B Actionable PGx 24096968
IFNL4 Peginterferon alfa-2a, peginterferon alfa-2b Efficacy A (final) 1B 23291588; 24205831; 24748394
MT-RNR1 Amikacin, gentamicin, streptomycin, tobramycin Toxicity A (final) 1A Actionable PGx 34032273
Dibekacin, kanamycin, netilmicin, ribostamycin Toxicity A (final) 1A 34032273
NAT2 Isoniazid Toxicity C (provisional) 1B 18330759; 18421452; 20392357
NUDT15 Azathioprine, mercaptopurine Dosage, toxicity A (final) 1A Testing recommended 21270794; 23422873; 30447069
RYR1 Desflurane, enflurane, isoflurane, sevoflurane, succinylcholine Toxicity A (final) 1A Actionable PGx 30499100
Halothane, methoxyflurane Toxicity A (final) 1A 30499100
SLCO1B1 Atorvastatin, fluvastatin, lovastatin, pitavastatin, pravastatin Metabolism/PK, toxicity A (final) 1A 35152405
Rosuvastatin Metabolism/PK, toxicity A (final) 1A Actionable PGx 35152405
Simvastatin Metabolism/PK, toxicity A (final) 1A 22617227; 24918167; 35152405
TPMT Azathioprine, mercaptopurine, thioguanine Dosage, metabolism/PK, toxicity A (final) 1A Testing recommended 21270794; 23422873; 30447069
UGT1A1 Atazanavir Toxicity A (final) 1A 26417955
Irinotecan Dosage, toxicity A (provisional) 1A/1B Testing recommended 28502040; 36443464
VKORC1 Warfarin Dosage, toxicity A (final) 1A Actionable PGx 21900891; 28198005

(https://cpicpgx.org/ and https://www.pharmgkb.org/ assessed on Aug 1st 2024)

*PharmGKB provides “drug label PGx level” based on FDA drug labels, for which criteria and detailed explanations are provided in [28].

Validity of NAT2-isoniazid pair as PGx target was confirmed by the authors despite current Level C provisional annotation by the CPIC.

Abbreviations: CPIC, Clinical Pharmacogenetics Implementation Consortium; LOE, level of evidence; PGx, pharmacogenetics; PK, pharmacokinetics; PMID, PubMed identifier.

Ann Lab Med 2025;45:121~132 https://doi.org/10.3343/alm.2024.0572

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