Details of the Drug Combination

General Information of Drug Combination (ID: DCWOFP5)

• Drug Combination Name: Citalopram + Pregabalin
• Indication: Burning Mouth Syndrome; Status: Phase 3 [1]
• Component Drugs:
  Citalopram (DM2G9AE): Small molecular drug
  Pregabalin (DMDVP3B): Small molecular drug

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Citalopram

Disease Entry	ICD 11	Status	REF
Acute coronary syndrome	BA41	Approved	[2]
Anxiety	N.A.	Approved	[2]
Depression	6A70-6A7Z	Approved	[3]
Insomnia	7A00-7A0Z	Approved	[2]
Lung cancer	2C25.0	Approved	[2]
Major depressive disorder	6A70.3	Approved	[2]
Colon cancer	2B90.Z	Investigative	[2]
Gastric cancer	2B72	Investigative	[2]

Citalopram Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Serotonin transporter (SERT)	TT3ROYC	SC6A4_HUMAN	Modulator	[6]

Citalopram Interacts with 3 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Multidrug resistance-associated protein 1 (ABCC1)	DTSYQGK	MRP1_HUMAN	Substrate	[7]
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[8]
Organic cation transporter 1 (SLC22A1)	DTT79CX	S22A1_HUMAN	Substrate	[9]

Citalopram Interacts with 4 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[10]
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[11]
Cytochrome P450 2E1 (CYP2E1)	DEVDYN7	CP2E1_HUMAN	Metabolism	[12]
Mephenytoin 4-hydroxylase (CYP2C19)	DEGTFWK	CP2CJ_HUMAN	Metabolism	[13]

Citalopram Interacts with 29 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	OTQGYY83	CP3A4_HUMAN	Decreases Methylation	[14]
Cytochrome P450 2D6 (CYP2D6)	OTZJC802	CP2D6_HUMAN	Decreases Methylation	[14]
Cytochrome P450 2C19 (CYP2C19)	OTFMJYYE	CP2CJ_HUMAN	Decreases Methylation	[15]
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Increases Response	[16]
Glutamate receptor 3 (GRIA3)	OT34CNBR	GRIA3_HUMAN	Affects Response To Substance	[17]
Glutamate receptor ionotropic, kainate 2 (GRIK2)	OTQ41U3D	GRIK2_HUMAN	Affects Response To Substance	[17]
Catalase (CAT)	OTHEBX9R	CATA_HUMAN	Decreases Expression	[18]
Nuclear protein 1 (NUPR1)	OT4FU8C0	NUPR1_HUMAN	Increases Expression	[19]
Alpha-1-antichymotrypsin (SERPINA3)	OT9BP2S0	AACT_HUMAN	Increases Expression	[19]
Fatty acid-binding protein, liver (FABP1)	OTR34ETM	FABPL_HUMAN	Increases Expression	[19]
Solute carrier family 2, facilitated glucose transporter member 3 (SLC2A3)	OT2HZK5M	GTR3_HUMAN	Decreases Expression	[19]
Inhibin beta E chain (INHBE)	OTOI2NYG	INHBE_HUMAN	Increases Expression	[19]
Transgelin (TAGLN)	OTAEZ0KP	TAGL_HUMAN	Decreases Expression	[19]
Lysophospholipase D GDPD3 (GDPD3)	OTOHM9QM	GDPD3_HUMAN	Increases Expression	[19]
5-hydroxytryptamine receptor 2C (HTR2C)	OT6H8DE0	5HT2C_HUMAN	Affects Binding	[20]
Aromatase (CYP19A1)	OTZ6XF74	CP19A_HUMAN	Decreases Activity	[21]
Stearoyl-CoA desaturase (SCD)	OTB1073G	SCD_HUMAN	Increases Expression	[22]
Pro-opiomelanocortin (POMC)	OTV41F7T	COLI_HUMAN	Increases Expression	[23]
Prolactin (PRL)	OTWFQGX7	PRL_HUMAN	Increases Expression	[24]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[25]
Aryl hydrocarbon receptor (AHR)	OTFE4EYE	AHR_HUMAN	Decreases Expression	[26]
Hydroxymethylglutaryl-CoA synthase, cytoplasmic (HMGCS1)	OTCO26FV	HMCS1_HUMAN	Increases Expression	[22]
ATP-binding cassette sub-family C member 2 (ABCC2)	OTJSIGV5	MRP2_HUMAN	Increases Expression	[27]
Sodium-dependent dopamine transporter (SLC6A3)	OT39XG28	SC6A3_HUMAN	Affects Response To Substance	[28]
Sodium-dependent serotonin transporter (SLC6A4)	OT6FGDLW	SC6A4_HUMAN	Affects Response To Substance	[29]
Glutamate receptor 1 (GRIA1)	OT85LOCJ	GRIA1_HUMAN	Affects Response To Substance	[17]
Glutamate receptor ionotropic, kainate 4 (GRIK4)	OTL5EIPA	GRIK4_HUMAN	Increases Response	[30]
Glutamate receptor ionotropic, NMDA 3A (GRIN3A)	OTQS9GYY	NMD3A_HUMAN	Affects Response To Substance	[17]
5-hydroxytryptamine receptor 2A (HTR2A)	OTWXJX0M	5HT2A_HUMAN	Increases Response	[31]

Indication(s) of Pregabalin

Disease Entry	ICD 11	Status	REF
Chronic obstructive pulmonary disease	CA22	Approved	[4]
Epilepsy	8A60-8A68	Approved	[5]
Pain	MG30-MG3Z	Approved	[5]
Postherpetic neuralgia	1E91.5	Approved	[5]
Vulvodynia	N.A.	Approved	[5]
Chronic pain	MG30	Investigative	[5]
Neuralgia	N.A.	Investigative	[5]

Pregabalin Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Voltage-gated calcium channel alpha-2/delta-1 (CACNA2D1)	TTFK1JQ	CA2D1_HUMAN	Modulator	[32]

Pregabalin Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
L-type amino acid transporter 1 (SLC7A5)	DT48T0N	LAT1_HUMAN	Substrate	[33]

References

• [1] ClinicalTrials.gov (NCT06025474) Comparison of Vortioxetine Versus Other Antidepressants With Pregabalin Augmentation in Burning Mouth Syndrome
• [2] Citalopram 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: 7547).
• [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: 5484).
• [5] Pregabalin FDA Label
• [6] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
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