Details of the Drug Combination

General Information of Drug Combination (ID: DC0UR4E)

• Drug Combination Name: Sapanisertib + Naltrexone
• Indication: Hepatoblastoma; Status: Investigative [1]
• Component Drugs:
  Sapanisertib (DMYZFNH): Small molecular drug
  Naltrexone (DMUL45H): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: HB3
  Zero Interaction Potency (ZIP) Score: 5.519
  Bliss Independence Score: 4.312
  Loewe Additivity Score: 1.978
  LHighest Single Agent (HSA) Score: 5.965

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Sapanisertib

Disease Entry	ICD 11	Status	REF
Breast cancer	2C60-2C65	Phase 2	[2]
Coronavirus Disease 2019 (COVID-19)	1D6Y	Investigative	[3]

Sapanisertib Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
HUMAN mammalian target of rapamycin (mTOR)	TT7HQAF	MTOR_HUMAN	Inhibitor	[3]

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	[9]

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	[10]

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	[11]
Follitropin subunit beta (FSHB)	OTGLS283	FSHB_HUMAN	Increases Expression	[12]
Lutropin subunit beta (LHB)	OT5GBOVJ	LSHB_HUMAN	Increases Expression	[12]
Mu-type opioid receptor (OPRM1)	OT16AAT8	OPRM_HUMAN	Affects Response To Substance	[9]
Mu-type opioid receptor (OPRM1)	OT16AAT8	OPRM_HUMAN	Increases Response	[9]
Sodium-dependent dopamine transporter (SLC6A3)	OT39XG28	SC6A3_HUMAN	Affects Response To Substance	[13]
Gamma-aminobutyric acid receptor subunit beta-2 (GABRB2)	OTAOZIGX	GBRB2_HUMAN	Affects Response To Substance	[14]
D(2) dopamine receptor (DRD2)	OTBLXKEG	DRD2_HUMAN	Affects Response To Substance	[14]
Gamma-aminobutyric acid receptor subunit alpha-6 (GABRA6)	OTX4UC3O	GBRA6_HUMAN	Affects Response To Substance	[14]

References

• [1] Loss of function mutations in VARS encoding cytoplasmic valyl-tRNA synthetase cause microcephaly, seizures, and progressive cerebral atrophy.Hum Genet. 2018 Apr;137(4):293-303. doi: 10.1007/s00439-018-1882-3. Epub 2018 Apr 24.
• [2] ClinicalTrials.gov (NCT02049957) Safety and Efficacy Study of Sapanisertib in Combination With Exemestane or Fulvestrant in Postmenopausal Women With Estrogen Receptor Positive/Human Epidermal Growth Factor Receptor 2 Negative (ER+/HER2-) Metastatic Breast Cancer. U.S. National Institutes of Health.
• [3] Prevent COVID-19 Severity by Repurposing mTOR Inhibitors. 2 April 2020
• [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] 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.
• [10] 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.
• [11] Low dose naltrexone therapy in multiple sclerosis. Med Hypotheses. 2005;64(4):721-4.
• [12] 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.
• [13] 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.
• [14] Predicting the effect of naltrexone and acamprosate in alcohol-dependent patients using genetic indicators. Addict Biol. 2009 Jul;14(3):328-37.