Details of the Drug Combination

General Information of Drug Combination (ID: DC3NFUF)

• Drug Combination Name: Memantine + Naltrexone
• Indication: Opioid Dependence; Status: Phase 1 [1]
• Component Drugs:
  Memantine (DMD9WSC): Small molecular drug
  Naltrexone (DMUL45H): Small molecular drug

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Memantine

Disease Entry	ICD 11	Status	REF
Alzheimer disease	8A20	Approved	[2]
Asperger syndrome	N.A.	Approved	[3]
Glioblastoma	2A00	Approved	[3]

Memantine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
N-methyl-D-aspartate receptor (NMDAR)	TT9IK2Z	NOUNIPROTAC	Modulator	[9]

Memantine Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic cation transporter 2 (SLC22A2)	DT9IDPW	S22A2_HUMAN	Substrate	[10]

Memantine Interacts with 8 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Baculoviral IAP repeat-containing protein 5 (BIRC5)	OTILXZYL	BIRC5_HUMAN	Decreases Expression	[11]
Myc proto-oncogene protein (MYC)	OTPV5LUK	MYC_HUMAN	Decreases Expression	[11]
Apoptosis regulator Bcl-2 (BCL2)	OT9DVHC0	BCL2_HUMAN	Decreases Expression	[11]
Cyclin-dependent kinase 4 (CDK4)	OT7EP05T	CDK4_HUMAN	Increases Expression	[11]
G1/S-specific cyclin-D1 (CCND1)	OT8HPTKJ	CCND1_HUMAN	Decreases Expression	[11]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Expression	[11]
Caspase-9 (CASP9)	OTD4RFFG	CASP9_HUMAN	Increases Expression	[11]
Apoptosis regulator BAX (BAX)	OTAW0V4V	BAX_HUMAN	Affects Expression	[11]

Indication(s) of Naltrexone

Disease Entry	ICD 11	Status	REF
Alcohol dependence	6C40.2	Approved	[4]
Chronic alcoholism	6C40.2Z	Approved	[5]
Crohn disease	DD70	Approved	[6]
Gastroparesis	DA41.00	Approved	[6]
Inflammatory bowel disease	DD72	Approved	[6]
Obesity	5B81	Approved	[6]
Ulcerative colitis	DD71	Approved	[6]
Human immunodeficiency virus infection	1C62	Phase 4	[7]
Coronavirus Disease 2019 (COVID-19)	1D6Y	Phase 2	[8]
Chronic pain	MG30	Investigative	[6]

Naltrexone Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Opioid receptor (OPR)	TTN4QDT	NOUNIPROTAC	Antagonist	[12]

Naltrexone Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[13]

Naltrexone Interacts with 9 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Nitric oxide synthase, inducible (NOS2)	OTKKIOJ1	NOS2_HUMAN	Decreases Activity	[14]
Follitropin subunit beta (FSHB)	OTGLS283	FSHB_HUMAN	Increases Expression	[15]
Lutropin subunit beta (LHB)	OT5GBOVJ	LSHB_HUMAN	Increases Expression	[15]
Mu-type opioid receptor (OPRM1)	OT16AAT8	OPRM_HUMAN	Affects Response To Substance	[12]
Mu-type opioid receptor (OPRM1)	OT16AAT8	OPRM_HUMAN	Increases Response	[12]
Sodium-dependent dopamine transporter (SLC6A3)	OT39XG28	SC6A3_HUMAN	Affects Response To Substance	[16]
Gamma-aminobutyric acid receptor subunit beta-2 (GABRB2)	OTAOZIGX	GBRB2_HUMAN	Affects Response To Substance	[17]
D(2) dopamine receptor (DRD2)	OTBLXKEG	DRD2_HUMAN	Affects Response To Substance	[17]
Gamma-aminobutyric acid receptor subunit alpha-6 (GABRA6)	OTX4UC3O	GBRA6_HUMAN	Affects Response To Substance	[17]

References

• [1] ClinicalTrials.gov (NCT00125515) Memantine and Naltrexone Treatment for Opioid Dependence
• [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: 4253).
• [3] Memantine FDA Label
• [4] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [5] FDA Approved Drug Products from FDA Official Website. 2019. Application Number: (ANDA) 074918.
• [6] Naltrexone FDA Label
• [7] 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: 1639).
• [8] ClinicalTrials.gov (NCT04365985) Study of Immunomodulation Using Naltrexone and Ketamine for COVID-19. U.S. National Institutes of Health.
• [9] The NMDA receptor antagonist memantine as a symptomatological and neuroprotective treatment for Alzheimer's disease: preclinical evidence. Int J Geriatr Psychiatry. 2003 Sep;18(Suppl 1):S23-32.
• [10] Human neurons express the polyspecific cation transporter hOCT2, which translocates monoamine neurotransmitters, amantadine, and memantine. Mol Pharmacol. 1998 Aug;54(2):342-52.
• [11] Memantine induces apoptosis and inhibits cell cycle progression in LNCaP prostate cancer cells. Hum Exp Toxicol. 2018 Sep;37(9):953-958. doi: 10.1177/0960327117747025. Epub 2017 Dec 11.
• [12] An evaluation of mu-opioid receptor (OPRM1) as a predictor of naltrexone response in the treatment of alcohol dependence: results from the Combined Pharmacotherapies and Behavioral Interventions for Alcohol Dependence (COMBINE) study. Arch Gen Psychiatry. 2008 Feb;65(2):135-44.
• [13] In vivo chronic exposure to heroin or naltrexone selectively inhibits liver microsome formation of estradiol-3-glucuronide in the rat. Biochem Pharmacol. 2008 Sep 1;76(5):672-9.
• [14] Low dose naltrexone therapy in multiple sclerosis. Med Hypotheses. 2005;64(4):721-4.
• [15] Chronic naltrexone treatment induces desensitization of the luteinizing hormone pulse generator for opioid blockade in hyperprolactinemic patients. J Clin Endocrinol Metab. 1995 May;80(5):1739-42. doi: 10.1210/jcem.80.5.7745028.
• [16] Association between the Stin2 VNTR polymorphism of the serotonin transporter gene and treatment outcome in alcohol-dependent patients. Alcohol Alcohol. 2008 Sep-Oct;43(5):516-22. doi: 10.1093/alcalc/agn048. Epub 2008 Jun 14.
• [17] Predicting the effect of naltrexone and acamprosate in alcohol-dependent patients using genetic indicators. Addict Biol. 2009 Jul;14(3):328-37.