Details of the Drug Combination

General Information of Drug Combination (ID: DCTBKUE)

• Drug Combination Name: Triamterene + PF-02545920
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Triamterene (DM2HU9I): Small molecular drug
  PF-02545920 (DMJPE61): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 12.79
  Bliss Independence Score: 12.79
  Loewe Additivity Score: 20.09
  LHighest Single Agent (HSA) Score: 20.09

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Triamterene

Disease Entry	ICD 11	Status	REF
Congestive heart failure	BD10	Approved	[2]
Edema	MG29	Approved	[2]
Hypertension	BA00-BA04	Approved	[2]
High blood pressure	BA00	Investigative	[3]

Triamterene Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Amiloride-sensitive sodium channel (ENaC)	TTQM7TE	SCNNA_HUMAN; SCNNB_HUMAN; SCNNG_HUMAN; SCNND_HUMAN	Blocker	[6]

Triamterene Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic cation transporter 1 (SLC22A1)	DTT79CX	S22A1_HUMAN	Substrate	[7]

Triamterene Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 1A2 (CYP1A2)	DEJGDUW	CP1A2_HUMAN	Metabolism	[8]

Triamterene Interacts with 4 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 1A2 (CYP1A2)	OTLLBX48	CP1A2_HUMAN	Increases Hydroxylation	[8]
Hypoxia-inducible factor 1-alpha (HIF1A)	OTADSC03	HIF1A_HUMAN	Increases Activity	[9]
Cellular tumor antigen p53 (TP53)	OTIE1VH3	P53_HUMAN	Affects Activity	[10]
Epidermal growth factor receptor (EGFR)	OTAPLO1S	EGFR_HUMAN	Affects Response To Substance	[11]

Indication(s) of PF-02545920

Disease Entry	ICD 11	Status	REF
Huntington disease	8A01.10	Phase 2	[4]
Schizophrenia	6A20	Phase 2	[5]

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	[4]

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	[12]
Type II iodothyronine deiodinase (DIO2)	OTGPNSLH	IOD2_HUMAN	Increases Expression	[12]
Peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PPARGC1A)	OTHCDQ22	PRGC1_HUMAN	Increases Expression	[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] 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: 4329).
• [3] Triamterene FDA Label
• [4] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [5] 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.
• [6] Effects of the serine/threonine kinase SGK1 on the epithelial Na(+) channel (ENaC) and CFTR: implications for cystic fibrosis. Cell Physiol Biochem. 2001;11(4):209-18.
• [7] Identification of novel substrates and structure-activity relationship of cellular uptake mediated by human organic cation transporters 1 and 2. J Med Chem. 2013 Sep 26;56(18):7232-42.
• [8] Rate-limiting biotransformation of triamterene is mediated by CYP1A2. Int J Clin Pharmacol Ther. 2005 Jul;43(7):327-34.
• [9] Identification of chemical compounds that induce HIF-1alpha activity. Toxicol Sci. 2009 Nov;112(1):153-63.
• [10] Identification of environmental chemicals that activate p53 signaling after in vitro metabolic activation. Arch Toxicol. 2022 Jul;96(7):1975-1987. doi: 10.1007/s00204-022-03291-5. Epub 2022 Apr 18.
• [11] Population-based in vitro hazard and concentration-response assessment of chemicals: the 1000 genomes high-throughput screening study. Environ Health Perspect. 2015 May;123(5):458-66. doi: 10.1289/ehp.1408775. Epub 2015 Jan 13.
• [12] 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.