Details of the Drug Combination

General Information of Drug Combination (ID: DCGJDNI)

• Drug Combination Name: PF-02545920 + Loperamide
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  PF-02545920 (DMJPE61): Small molecular drug
  Loperamide (DMOJZQ9): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 16.06
  Bliss Independence Score: 16.06
  Loewe Additivity Score: 22.03
  LHighest Single Agent (HSA) Score: 22.03

Molecular Interaction Atlas of This Drug Combination

Indication(s) of PF-02545920

Disease Entry	ICD 11	Status	REF
Huntington disease	8A01.10	Phase 2	[2]
Schizophrenia	6A20	Phase 2	[3]

PF-02545920 Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Phosphodiesterase 10A (PDE10)	TTJW4LU	PDE10_HUMAN	Inhibitor	[2]

PF-02545920 Interacts with 3 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Lipid transferase CIDEA (CIDEA)	OTDUTSOV	CIDEA_HUMAN	Increases Expression	[7]
Type II iodothyronine deiodinase (DIO2)	OTGPNSLH	IOD2_HUMAN	Increases Expression	[7]
Peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PPARGC1A)	OTHCDQ22	PRGC1_HUMAN	Increases Expression	[7]

Indication(s) of Loperamide

Disease Entry	ICD 11	Status	REF
Diarrhea	ME05.1	Approved	[4]
Traveler's diarrhea	ME05.1	Approved	[5]
Middle East Respiratory Syndrome (MERS)	1D64	Preclinical	[6]
Severe acute respiratory syndrome (SARS)	1D65	Preclinical	[6]

Loperamide Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Opioid receptor delta (OPRD1)	TT27RFC	OPRD_HUMAN	Binder	[8]

Loperamide Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[9]

Loperamide Interacts with 5 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 2C8 (CYP2C8)	DES5XRU	CP2C8_HUMAN	Metabolism	[11]
Cytochrome P450 2B6 (CYP2B6)	DEPKLMQ	CP2B6_HUMAN	Metabolism	[11]
Oxygen-insensitive NADPH nitroreductase A (nfsA)	DEDPI65	NFSA_ECOLI	Metabolism	[12]

References

• [1] Recurrent recessive mutation in deoxyguanosine kinase causes idiopathic noncirrhotic portal hypertension.Hepatology. 2016 Jun;63(6):1977-86. doi: 10.1002/hep.28499. Epub 2016 Mar 31.
• [2] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [3] ClinicalTrials.gov (NCT01939548) An Outpatient Study Of The Efficacy, Safety, And Tolerability Of PF-02545920 In The Adjunctive Treatment Of Sub-Optimally Controlled Symptoms of Schizophrenia. U.S. National Institutes of Health.
• [4] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [5] Loperamide FDA Label
• [6] Screening of an FDA-approved Compound Library Identifies Four Small-Molecule Inhibitors of Middle East Respiratory Syndrome Coronavirus Replication in Cell Culture Antimicrob Agents Chemother. 2014 Aug;58(8):4875-84.
• [7] A novel thermoregulatory role for PDE10A in mouse and human adipocytes. EMBO Mol Med. 2016 Jul 1;8(7):796-812. doi: 10.15252/emmm.201506085. Print 2016 Jul.
• [8] Loperamide: evidence of interaction with mu and delta opioid receptors. Life Sci. 1983;33 Suppl 1:315-8.
• [9] In vitro P-glycoprotein assays to predict the in vivo interactions of P-glycoprotein with drugs in the central nervous system. Drug Metab Dispos. 2008 Feb;36(2):268-75.
• [10] Loperamide: a pharmacological review. Rev Gastroenterol Disord. 2007;7 Suppl 3:S11-8.
• [11] Identification of cytochrome P450 isoforms involved in the metabolism of loperamide in human liver microsomes. Eur J Clin Pharmacol. 2004 Oct;60(8):575-81.
• [12] Reduction of the prodrug loperamide oxide to its active drug loperamide in the gut of rats, dogs, and humans. Drug Metab Dispos. 1995 Mar;23(3):354-62.