Details of the Drug Combination

General Information of Drug Combination (ID: DCU4NAU)

• Drug Combination Name: Dronedarone + Tiagabine
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Dronedarone (DMA8FS5): Small molecular drug
  Tiagabine (DMKSQG0): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 5.69
  Bliss Independence Score: 5.69
  Loewe Additivity Score: 7.95
  LHighest Single Agent (HSA) Score: 7.96

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Dronedarone

Disease Entry	ICD 11	Status	REF
Angina pectoris	BA40	Approved	[2]
Atrial fibrillation	BC81.3	Withdrawn from market	[2]

Dronedarone Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Voltage-gated potassium channel Kv1.5 (KCNA5)	TTW0CMT	KCNA5_HUMAN	Blocker	[4]
Potassium channel unspecific (KC)	TT1VOHK	NOUNIPROTAC	Inhibitor	[5]

Dronedarone Interacts with 3 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[6]
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[7]
Cytochrome P450 3A5 (CYP3A5)	DEIBDNY	CP3A5_HUMAN	Metabolism	[8]

Dronedarone Interacts with 4 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Superoxide dismutase , mitochondrial (SOD2)	OTIWXGZ9	SODM_HUMAN	Increases Expression	[9]
Histone H2AX (H2AX)	OT18UX57	H2AX_HUMAN	Increases Phosphorylation	[10]
G1/S-specific cyclin-D3 (CCND3)	OTNKPQ22	CCND3_HUMAN	Decreases Expression	[10]
Cytochrome P450 2C19 (CYP2C19)	OTFMJYYE	CP2CJ_HUMAN	Increases Metabolism	[10]

Indication(s) of Tiagabine

Disease Entry	ICD 11	Status	REF
Epilepsy	8A60-8A68	Approved	[3]
Anxiety disorder	6B00-6B0Z	Phase 2	[3]

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	[11]
GABA transporter GAT-1 (SLC6A1)	TTPRKM0	SC6A1_HUMAN	Inhibitor	[12]

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	[13]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[14]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125966
• [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: 7465).
• [3] 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).
• [4] New antiarrhythmic agents for atrial fibrillation and atrial flutter. Expert Opin Emerg Drugs. 2005 May;10(2):311-22.
• [5] Antibodies and venom peptides: new modalities for ion channels. Nat Rev Drug Discov. 2019 May;18(5):339-357.
• [6] Drug safety evaluation of dronedarone in atrial fibrillation. Expert Opin Drug Saf. 2012 Nov;11(6):1023-45.
• [7] Effect of dronedarone on the pharmacokinetics of carvedilol following oral administration to rats. Eur J Pharm Sci. 2018 Jan 1;111:13-19.
• [8] Inactivation of human cytochrome P450 3A4 and 3A5 by dronedarone and N-desbutyl dronedarone. Mol Pharmacol. 2016 Jan;89(1):1-13.
• [9] Mechanisms of hepatocellular toxicity associated with dronedarone--a comparison to amiodarone. Toxicol Sci. 2013 Feb;131(2):480-90. doi: 10.1093/toxsci/kfs298. Epub 2012 Nov 7.
• [10] The role of hepatic cytochrome P450s in the cytotoxicity of dronedarone. Arch Toxicol. 2018 Jun;92(6):1969-1981. doi: 10.1007/s00204-018-2196-x. Epub 2018 Apr 3.
• [11] Glutamate- and GABA-based CNS therapeutics. Curr Opin Pharmacol. 2006 Feb;6(1):7-17.
• [12] 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).
• [13] Enzyme induction and inhibition by new antiepileptic drugs: a review of human studies. Fundam Clin Pharmacol. 2000 Jul-Aug;14(4):301-19.
• [14] Actual and Predicted Pharmacokinetic Interactions Between Anticonvulsants and Antiretrovirals.