Details of the Drug Combination

General Information of Drug Combination (ID: DCVAW4Y)

• Drug Combination Name: Tiagabine + Hydralazine
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Tiagabine (DMKSQG0): Small molecular drug
  Hydralazine (DMU8JGH): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 8.3
  Bliss Independence Score: 8.3
  Loewe Additivity Score: 12.06
  LHighest Single Agent (HSA) Score: 12.09

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	[5]
GABA transporter GAT-1 (SLC6A1)	TTPRKM0	SC6A1_HUMAN	Inhibitor	[6]

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	[7]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[8]

Tiagabine Interacts with 2 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Aromatase (CYP19A1)	OTZ6XF74	CP19A_HUMAN	Decreases Activity	[9]
Sodium- and chloride-dependent GABA transporter 1 (SLC6A1)	OTLCJJF3	SC6A1_HUMAN	Decreases Activity	[10]

Indication(s) of Hydralazine

Disease Entry	ICD 11	Status	REF
Chronic heart failure	BD1Z	Approved	[3]
Hypertension	BA00-BA04	Approved	[4]
Malignant essential hypertension	BA00	Approved	[3]

Hydralazine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Membrane copper amine oxidase (AOC3)	TT7HC21	AOC3_HUMAN	Modulator	[11]

Hydralazine Interacts with 3 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
RNA cytidine acetyltransferase (hALP)	DEZV4AP	NAT10_HUMAN	Metabolism	[12]
N-acetyltransferase 1 (NAT1)	DE7OAB3	ARY1_HUMAN	Metabolism	[13]
N-acetyltransferase 2 (NAT2)	DER7TA0	ARY2_HUMAN	Metabolism	[13]

Hydralazine Interacts with 16 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Arylamine N-acetyltransferase 2 (NAT2)	OTBPDQOY	ARY2_HUMAN	Increases Acetylation	[14]
Estrogen receptor (ESR1)	OTKLU61J	ESR1_HUMAN	Increases Expression	[15]
Glutathione S-transferase P (GSTP1)	OTLP0A0Y	GSTP1_HUMAN	Increases Expression	[15]
Retinoic acid receptor beta (RARB)	OT367U3E	RARB_HUMAN	Decreases Methylation	[15]
Methylated-DNA--protein-cysteine methyltransferase (MGMT)	OT40A9WH	MGMT_HUMAN	Increases Expression	[15]
Adenomatous polyposis coli protein (APC)	OTKV0TIK	APC_HUMAN	Decreases Methylation	[15]
Cyclin-dependent kinase inhibitor 2A (CDKN2A)	OTN0ZWAE	CDN2A_HUMAN	Decreases Methylation	[15]
Bis(5'-adenosyl)-triphosphatase (FHIT)	OTGWBSLA	FHIT_HUMAN	Increases Expression	[15]
Death-associated protein kinase 1 (DAPK1)	OTNCNUCO	DAPK1_HUMAN	Increases Expression	[15]
Renin (REN)	OT52GZR2	RENI_HUMAN	Increases Activity	[16]
Tumor necrosis factor (TNF)	OT4IE164	TNFA_HUMAN	Decreases Secretion	[17]
Collagen alpha-1(I) chain (COL1A1)	OTI31178	CO1A1_HUMAN	Decreases Expression	[18]
Albumin (ALB)	OTVMM513	ALBU_HUMAN	Affects Binding	[19]
Cellular tumor antigen p53 (TP53)	OTIE1VH3	P53_HUMAN	Increases Activity	[20]
Interleukin-6 (IL6)	OTUOSCCU	IL6_HUMAN	Decreases Secretion	[17]
Interleukin-10 (IL10)	OTIRFRXC	IL10_HUMAN	Increases Secretion	[17]

References

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• [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] Hydralazine FDA Label
• [4] 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: 7326).
• [5] Glutamate- and GABA-based CNS therapeutics. Curr Opin Pharmacol. 2006 Feb;6(1):7-17.
• [6] 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).
• [7] Enzyme induction and inhibition by new antiepileptic drugs: a review of human studies. Fundam Clin Pharmacol. 2000 Jul-Aug;14(4):301-19.
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• [10] 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.
• [11] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
• [12] Prizidilol, an antihypertensive with precapillary vasodilator and beta-adrenoceptor blocking actions, in primary hypertension. Clin Pharmacol Ther. 1981 May;29(5):588-93.
• [13] N-acetyltransferase 2 genotype-dependent N-acetylation of hydralazine in human hepatocytes. Drug Metab Dispos. 2017 Dec;45(12):1276-1281.
• [14] Eukaryotic arylamine N-acetyltransferase. Investigation of substrate specificity by high-throughput screening. Biochem Pharmacol. 2005 Jan 15;69(2):347-59. doi: 10.1016/j.bcp.2004.09.014. Epub 2004 Nov 24.
• [15] A phase I study of hydralazine to demethylate and reactivate the expression of tumor suppressor genes. BMC Cancer. 2005 Apr 29;5:44.
• [16] Sympathetic activity in idiopathic dilated cardiomyopathy. Influence of captopril and hydralazine. Cardiovasc Drugs Ther. 1987 Aug;1(2):177-81. doi: 10.1007/BF02125471.
• [17] Antihypertensive drugs clonidine, diazoxide, hydralazine and furosemide regulate the production of cytokines by placentas and peripheral blood mononuclear cells in normal pregnancy. J Hypertens. 2006 May;24(5):915-22. doi: 10.1097/01.hjh.0000222762.84605.03.
• [18] Hydralazine inhibits human peritoneal mesothelial cell proliferation and collagen synthesis. Nephrol Dial Transplant. 1996 Nov;11(11):2276-81. doi: 10.1093/oxfordjournals.ndt.a027148.
• [19] Albumin Protects Lung Cells against Acrolein Cytotoxicity and Acrolein-Adducted Albumin Increases Heme Oxygenase 1 Transcripts. Chem Res Toxicol. 2020 Jul 20;33(7):1969-1979. doi: 10.1021/acs.chemrestox.0c00146. Epub 2020 Jun 29.
• [20] High-throughput measurement of the Tp53 response to anticancer drugs and random compounds using a stably integrated Tp53-responsive luciferase reporter. Carcinogenesis. 2002 Jun;23(6):949-57. doi: 10.1093/carcin/23.6.949.