Details of the Drug Combination

General Information of Drug Combination (ID: DC648ND)

• Drug Combination Name: Clonidine + Lorazepam
• Indication: Opiate Addiction; Status: Phase 1 [1]
• Component Drugs:
  Clonidine (DM6RZ9Q): Small molecular drug
  Lorazepam (DM84ZXF): Small molecular drug

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Clonidine

Disease Entry	ICD 11	Status	REF
Attention deficit hyperactivity disorder	6A05.Z	Approved	[2]
Hypertension	BA00-BA04	Approved	[3]
Neonatal abstinence syndrome	N.A.	Approved	[2]
Diabetic neuropathy	8C0Z	Phase 3	[4]

Clonidine Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Adrenergic receptor Alpha-2 (ADRA2)	TTQ8AFT	NOUNIPROTAC	Agonist	[7]
Membrane copper amine oxidase (AOC3)	TT7HC21	AOC3_HUMAN	Inhibitor	[8]

Clonidine Interacts with 4 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[9]
Organic cation transporter 2 (SLC22A2)	DT9IDPW	S22A2_HUMAN	Substrate	[10]
Organic cation transporter 3 (SLC22A3)	DT6201N	S22A3_HUMAN	Substrate	[10]
Organic cation transporter 1 (SLC22A1)	DTT79CX	S22A1_HUMAN	Substrate	[10]

Clonidine Interacts with 4 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[11]
Cytochrome P450 1A2 (CYP1A2)	DEJGDUW	CP1A2_HUMAN	Metabolism	[11]
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[11]
Cytochrome P450 3A5 (CYP3A5)	DEIBDNY	CP3A5_HUMAN	Metabolism	[11]

Clonidine Interacts with 10 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
G protein-activated inward rectifier potassium channel 1 (KCNJ3)	OTHQG16J	KCNJ3_HUMAN	Increases ADR	[12]
Apoptosis-inducing factor 1, mitochondrial (AIFM1)	OTKPWB7Q	AIFM1_HUMAN	Increases Expression	[13]
Renin (REN)	OT52GZR2	RENI_HUMAN	Decreases Activity	[14]
Pro-opiomelanocortin (POMC)	OTV41F7T	COLI_HUMAN	Increases Expression	[15]
Tumor necrosis factor alpha-induced protein 3 (TNFAIP3)	OTVLI4DD	TNAP3_HUMAN	Increases Expression	[16]
Tumor protein D52 (TPD52)	OTPKSK43	TPD52_HUMAN	Increases Expression	[16]
Programmed cell death protein 4 (PDCD4)	OTZ6NXUX	PDCD4_HUMAN	Decreases Expression	[16]
Bcl2-associated agonist of cell death (BAD)	OT63ERYM	BAD_HUMAN	Increases Expression	[13]
Delta-type opioid receptor (OPRD1)	OT164PA1	OPRD_HUMAN	Increases ADR	[12]
Kappa-type opioid receptor (OPRK1)	OTXCZF4L	OPRK_HUMAN	Increases ADR	[12]

Indication(s) of Lorazepam

Disease Entry	ICD 11	Status	REF
Absence epilepsy	N.A.	Approved	[5]
Anxiety	N.A.	Approved	[5]
Anxiety disorder	6B00-6B0Z	Approved	[6]
Nausea	MD90	Approved	[5]
Panic disorder	6B01	Approved	[5]
Vomiting	MD90	Approved	[5]

Lorazepam Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Translocator protein (TSPO)	TTPTXIN	TSPO_HUMAN	Modulator	[17]

Lorazepam Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
UDP-glucuronosyltransferase 2B7 (UGT2B7)	DEB3CV1	UD2B7_HUMAN	Metabolism	[18]
UDP-glucuronosyltransferase 2B15 (UGT2B15)	DENZ6B1	UDB15_HUMAN	Metabolism	[19]

References

• [1] ClinicalTrials.gov (NCT02362256) The Comparison of Stress Response to Rapid Opioid Detoxification Applying Different Methods of Opioid Antagonism
• [2] Clonidine FDA Label
• [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: 516).
• [4] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [5] Lorazepam FDA Label
• [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. (Ligand id: 5884).
• [7] Noradrenergic alpha-2 receptor agonists reverse working memory deficits induced by the anxiogenic drug, FG7142, in rats. Pharmacol Biochem Behav. 2000 Nov;67(3):397-403.
• [8] The Protein Data Bank. Nucleic Acids Res. 2000 Jan 1;28(1):235-42.
• [9] Caco-2 permeability, P-glycoprotein transport ratios and brain penetration of heterocyclic drugs. Int J Pharm. 2003 Sep 16;263(1-2):113-22.
• [10] Influx Transport of Cationic Drug at the Blood-Retinal Barrier: Impact on the Retinal Delivery of Neuroprotectants. Biol Pharm Bull. 2017;40(8):1139-1145.
• [11] CYP2D6 mediates 4-hydroxylation of clonidine in vitro: implication for pregnancy-induced changes in clonidine clearance. Drug Metab Dispos. 2010 Sep;38(9):1393-6.
• [12] ADReCS-Target: target profiles for aiding drug safety research and application. Nucleic Acids Res. 2018 Jan 4;46(D1):D911-D917. doi: 10.1093/nar/gkx899.
• [13] Clonidine Induces Apoptosis of Human Corneal Epithelial Cells through Death Receptors-Mediated, Mitochondria-Dependent Signaling Pathway. Toxicol Sci. 2017 Mar 1;156(1):252-260. doi: 10.1093/toxsci/kfw249.
• [14] The effect of clonidine and penbutolol, respectively on catecholamines in blood and urine, plasma renin activity and urinary aldosterone in hypertensive patients. Arch Int Pharmacodyn Ther. 1975 Feb;213(2):307-21.
• [15] Normalization of blood pressure and plasma concentrations of beta-endorphin and leucine-enkephalin in patients with primary hypertension after treatment with clonidine. J Cardiovasc Pharmacol. 1987;10 Suppl 12:S147-51.
• [16] Human embryonic stem cell derived hepatocyte-like cells as a tool for in vitro hazard assessment of chemical carcinogenicity. Toxicol Sci. 2011 Dec;124(2):278-90. doi: 10.1093/toxsci/kfr225. Epub 2011 Aug 27.
• [17] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
• [18] Pharmacokinetic and pharmacodynamic interaction of lorazepam and valproic acid in relation to UGT2B7 genetic polymorphism in healthy subjects. Clin Pharmacol Ther. 2008 Apr;83(4):595-600.
• [19] Effect of the UGT2B15 genotype on the pharmacokinetics, pharmacodynamics, and drug interactions of intravenous lorazepam in healthy volunteers. Clin Pharmacol Ther. 2005 Jun;77(6):486-94.