Details of the Drug Combination

General Information of Drug Combination (ID: DCMLIP7)

• Drug Combination Name: Methoxsalen + Tiagabine
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Methoxsalen (DME8FZ9): Small molecular drug
  Tiagabine (DMKSQG0): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 11.73
  Bliss Independence Score: 11.73
  Loewe Additivity Score: 13.89
  LHighest Single Agent (HSA) Score: 13.91

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Methoxsalen

Disease Entry	ICD 11	Status	REF
Cutaneous T-cell lymphoma	2B01	Approved	[2]
Primary cutaneous T-cell lymphoma	N.A.	Approved	[3]
Psoriasis vulgaris	EA90	Approved	[2]

Methoxsalen Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 2A6 (CYP2A6)	TTAQ6ZW	CP2A6_HUMAN	Binder	[6]

Methoxsalen 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]
Cytochrome P450 2A6 (CYP2A6)	DEJVYAZ	CP2A6_HUMAN	Metabolism	[8]

Methoxsalen Interacts with 26 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 2A6 (CYP2A6)	OT52TWG3	CP2A6_HUMAN	Decreases Activity	[9]
Cytochrome P450 3A4 (CYP3A4)	OTQGYY83	CP3A4_HUMAN	Increases Expression	[7]
Cytochrome P450 1A2 (CYP1A2)	OTLLBX48	CP1A2_HUMAN	Decreases Activity	[10]
Cocaine esterase (CES2)	OTC647SQ	EST2_HUMAN	Increases Expression	[7]
Nuclear receptor subfamily 1 group I member 2 (NR1I2)	OTC5U0N5	NR1I2_HUMAN	Increases Activity	[7]
Cytochrome P450 2D6 (CYP2D6)	OTZJC802	CP2D6_HUMAN	Decreases Activity	[11]
Cytochrome P450 2C9 (CYP2C9)	OTGLBN29	CP2C9_HUMAN	Decreases Activity	[11]
Class E basic helix-loop-helix protein 40 (BHLHE40)	OTITX14U	BHE40_HUMAN	Decreases Expression	[12]
Baculoviral IAP repeat-containing protein 5 (BIRC5)	OTILXZYL	BIRC5_HUMAN	Decreases Expression	[12]
ATP-binding cassette sub-family C member 3 (ABCC3)	OTC3IJV4	MRP3_HUMAN	Increases Expression	[5]
Tumor necrosis factor (TNF)	OT4IE164	TNFA_HUMAN	Decreases Expression	[13]
Cellular tumor antigen p53 (TP53)	OTIE1VH3	P53_HUMAN	Increases Expression	[12]
Cytochrome P450 1A1 (CYP1A1)	OTE4EFH8	CP1A1_HUMAN	Decreases Activity	[14]
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Increases Expression	[15]
Apoptosis regulator Bcl-2 (BCL2)	OT9DVHC0	BCL2_HUMAN	Decreases Expression	[12]
Phosphatidylcholine translocator ABCB4 (ABCB4)	OTE6PY83	MDR3_HUMAN	Decreases Expression	[16]
Cytochrome P450 7A1 (CYP7A1)	OT8Z5KLD	CP7A1_HUMAN	Decreases Expression	[5]
Multidrug resistance-associated protein 1 (ABCC1)	OTGUN89S	MRP1_HUMAN	Increases Expression	[15]
Histidine ammonia-lyase (HAL)	OT1HXFCV	HUTH_HUMAN	Decreases Activity	[17]
Caspase-9 (CASP9)	OTD4RFFG	CASP9_HUMAN	Decreases Expression	[12]
Apoptosis regulator BAX (BAX)	OTAW0V4V	BAX_HUMAN	Increases Expression	[12]
Caspase-8 (CASP8)	OTA8TVI8	CASP8_HUMAN	Decreases Expression	[12]
Nuclear receptor subfamily 0 group B member 2 (NR0B2)	OT7UVICX	NR0B2_HUMAN	Increases Expression	[5]
Cytochrome P450 1B1 (CYP1B1)	OTYXFLSD	CP1B1_HUMAN	Decreases Activity	[14]
ATP-binding cassette sub-family C member 2 (ABCC2)	OTJSIGV5	MRP2_HUMAN	Decreases Expression	[15]
Broad substrate specificity ATP-binding cassette transporter ABCG2 (ABCG2)	OTW8V2V1	ABCG2_HUMAN	Increases Expression	[15]

Indication(s) of Tiagabine

Disease Entry	ICD 11	Status	REF
Epilepsy	8A60-8A68	Approved	[4]
Anxiety disorder	6B00-6B0Z	Phase 2	[4]

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	[18]
GABA transporter GAT-1 (SLC6A1)	TTPRKM0	SC6A1_HUMAN	Inhibitor	[19]

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	[20]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[21]

Tiagabine Interacts with 2 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Aromatase (CYP19A1)	OTZ6XF74	CP19A_HUMAN	Decreases Activity	[22]
Sodium- and chloride-dependent GABA transporter 1 (SLC6A1)	OTLCJJF3	SC6A1_HUMAN	Decreases Activity	[23]

References

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• [3] Methoxsalen FDA Label
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• [13] UVA activated 8-MOP and chlorpromazine inhibit release of TNF-alpha by post-transcriptional regulation. Photochem Photobiol Sci. 2004 Apr;3(4):334-6. doi: 10.1039/b302621c. Epub 2004 Feb 24.
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• [15] ABC-transporter blockage mediated by xanthotoxin and bergapten is the major pathway for chemosensitization of multidrug-resistant cancer cells. Toxicol Appl Pharmacol. 2017 Dec 15;337:22-29. doi: 10.1016/j.taap.2017.10.018. Epub 2017 Oct 25.
• [16] 8-Methoxypsoralen disrupts MDR3-mediated phospholipids efflux and bile acid homeostasis and its relevance to hepatotoxicity. Toxicology. 2017 Jul 1;386:40-48. doi: 10.1016/j.tox.2017.05.011. Epub 2017 May 24.
• [17] Inhibition of histidine ammonia lyase by 8-methoxypsoralen and psoralen-oxidized photoproducts. Photochem Photobiol. 2010 Nov-Dec;86(6):1272-7. doi: 10.1111/j.1751-1097.2010.00807.x. Epub 2010 Sep 29.
• [18] Glutamate- and GABA-based CNS therapeutics. Curr Opin Pharmacol. 2006 Feb;6(1):7-17.
• [19] 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).
• [20] Enzyme induction and inhibition by new antiepileptic drugs: a review of human studies. Fundam Clin Pharmacol. 2000 Jul-Aug;14(4):301-19.
• [21] Actual and Predicted Pharmacokinetic Interactions Between Anticonvulsants and Antiretrovirals.
• [22] Inhibition of human aromatase complex (CYP19) by antiepileptic drugs. Toxicol In Vitro. 2008 Feb;22(1):146-53.
• [23] 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.