Details of the Drug Combination

General Information of Drug Combination (ID: DCPRLKQ)

• Drug Combination Name: Tiagabine + Ethambutol
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Tiagabine (DMKSQG0): Small molecular drug
  Ethambutol (DMR87LC): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 5.36
  Bliss Independence Score: 5.36
  Loewe Additivity Score: 7.4
  LHighest Single Agent (HSA) Score: 7.4

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Tiagabine

Disease Entry	ICD 11	Status	REF
Epilepsy	8A60-8A68	Approved	[2]
Anxiety disorder	6B00-6B0Z	Phase 2	[2]

Tiagabine Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Gamma-aminobutyric acid uptake (GABAU)	TTV9MQG	NOUNIPROTAC	Inhibitor	[4]
GABA transporter GAT-1 (SLC6A1)	TTPRKM0	SC6A1_HUMAN	Inhibitor	[5]

Tiagabine Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[6]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[7]

Tiagabine Interacts with 2 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Aromatase (CYP19A1)	OTZ6XF74	CP19A_HUMAN	Decreases Activity	[8]
Sodium- and chloride-dependent GABA transporter 1 (SLC6A1)	OTLCJJF3	SC6A1_HUMAN	Decreases Activity	[9]

Indication(s) of Ethambutol

Disease Entry	ICD 11	Status	REF
Pulmonary tuberculosis	1B10.Z	Approved	[3]

Ethambutol Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Mycobacterium Arabinosyltransferase C (MycB embC)	TT1Q8GP	EMBC_MYCTU	Inhibitor	[10]

Ethambutol Interacts with 16 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 1A2 (CYP1A2)	OTLLBX48	CP1A2_HUMAN	Decreases Activity	[11]
Cytochrome P450 2E1 (CYP2E1)	OTHQ17JG	CP2E1_HUMAN	Decreases Activity	[11]
Cytochrome P450 2D6 (CYP2D6)	OTZJC802	CP2D6_HUMAN	Decreases Activity	[11]
Cytochrome P450 2C19 (CYP2C19)	OTFMJYYE	CP2CJ_HUMAN	Decreases Activity	[11]
Transmembrane protease serine 2 (TMPRSS2)	OTN44YQ5	TMPS2_HUMAN	Increases Expression	[12]
Interferon gamma (IFNG)	OTXG9JM7	IFNG_HUMAN	Increases Secretion	[13]
Interleukin-1 alpha (IL1A)	OTPSGILV	IL1A_HUMAN	Increases Expression	[14]
Antileukoproteinase (SLPI)	OTUNFUU8	SLPI_HUMAN	Increases Expression	[14]
Hepatocyte growth factor receptor (MET)	OT7K55MU	MET_HUMAN	Increases Expression	[14]
Granzyme B (GZMB)	OTPPVIRS	GRAB_HUMAN	Increases Secretion	[13]
Interleukin-8 (CXCL8)	OTS7T5VH	IL8_HUMAN	Increases Expression	[14]
Bone morphogenetic protein 6 (BMP6)	OT9WN536	BMP6_HUMAN	Decreases Expression	[14]
Interleukin-13 (IL13)	OTI4YS3Y	IL13_HUMAN	Increases Secretion	[13]
PTB-containing, cubilin and LRP1-interacting protein (PID1)	OT5YJ7FI	PCLI1_HUMAN	Increases Expression	[14]
Angiotensin-converting enzyme 2 (ACE2)	OTTRZGU7	ACE2_HUMAN	Increases Expression	[12]
Cystine/glutamate transporter (SLC7A11)	OTKJ6PXW	XCT_HUMAN	Increases Expression	[14]

References

• [1] Recurrent recessive mutation in deoxyguanosine kinase causes idiopathic noncirrhotic portal hypertension.Hepatology. 2016 Jun;63(6):1977-86. doi: 10.1002/hep.28499. Epub 2016 Mar 31.
• [2] URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 4818).
• [3] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [4] Glutamate- and GABA-based CNS therapeutics. Curr Opin Pharmacol. 2006 Feb;6(1):7-17.
• [5] URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Target id: 929).
• [6] Enzyme induction and inhibition by new antiepileptic drugs: a review of human studies. Fundam Clin Pharmacol. 2000 Jul-Aug;14(4):301-19.
• [7] Actual and Predicted Pharmacokinetic Interactions Between Anticonvulsants and Antiretrovirals.
• [8] Inhibition of human aromatase complex (CYP19) by antiepileptic drugs. Toxicol In Vitro. 2008 Feb;22(1):146-53.
• [9] GABA transporter deficiency causes tremor, ataxia, nervousness, and increased GABA-induced tonic conductance in cerebellum. J Neurosci. 2005 Mar 23;25(12):3234-45. doi: 10.1523/JNEUROSCI.3364-04.2005.
• [10] The arabinosyltransferase EmbC is inhibited by ethambutol in Mycobacterium tuberculosis. Antimicrob Agents Chemother. 2009 Oct;53(10):4138-46.
• [11] Inhibition of cytochrome P450 by ethambutol in human liver microsomes. Toxicol Lett. 2014 Aug 17;229(1):33-40.
• [12] Effect of common medications on the expression of SARS-CoV-2 entry receptors in liver tissue. Arch Toxicol. 2020 Dec;94(12):4037-4041. doi: 10.1007/s00204-020-02869-1. Epub 2020 Aug 17.
• [13] Detection of Drug-Responsive T-Lymphocytes in a Case of Fatal Antituberculosis Drug-Related Liver Injury. Chem Res Toxicol. 2016 Nov 21;29(11):1793-1795. doi: 10.1021/acs.chemrestox.6b00393. Epub 2016 Nov 9.
• [14] An in vitro coculture system of human peripheral blood mononuclear cells with hepatocellular carcinoma-derived cells for predicting drug-induced liver injury. Arch Toxicol. 2021 Jan;95(1):149-168. doi: 10.1007/s00204-020-02882-4. Epub 2020 Aug 20.