General Information of DFM (ID: F23924)
Name	Tucatinib 50 mg tablet
Company	Seattle Genetics
Active Pharmaceutical Ingredient (API)	Tucatinib		API Info click to show the detail info of this API
				Approved
Drug Inactive Ingredient (DIGs)
	DIG ID	DIG Info	DIG Name	DIG Functional Class
	E0V2QO	DIG Info	Cellulose microcrystalline	Adsorbent ...
	E02ZKH	DIG Info	Copovidone	Film/membrane-forming agent ...
	E0PE9M	DIG Info	Crospovidone	Disintegrant
	E0M0IE	DIG Info	Ferric hydroxide oxide yellow	Colorant
	E0P9YZ	DIG Info	Hydrophobic colloidal silica	Anticaking agent ...
	E01UTP	DIG Info	Magnesium stearate	lubricant
	E0G3NO	DIG Info	Polyethylene glycol 4000	Coating agent ...
	E0V3ER	DIG Info	Polyvinyl alcohol	Coating agent ...
	E02GBG	DIG Info	Potassium chloride	Tonicity agent
	E0G1YW	DIG Info	Sodium bicarbonate	Alkalizing agent ...
	E0T4TW	DIG Info	Sodium chloride	Diluent ...
	E0QY1F	DIG Info	Talc	Anticaking agent ...
	E05BSD	DIG Info	Titanium dioxide	Coating agent ...

Full List of Biological Targets of DIG (DBTs) Regulated by DIG(s) in This DFM
Oxidoreductase (ORase)
DBT Name: Albendazole monooxygenase (CYP3A4)				Click to Show/Hide
Detailed Information	DBT Info click to show the detail info of this DBT
Experiment (1) for Assessing the Biological Activity of the Studied DIG on This DBT
Interacting DIG	Magnesium stearate
Biological Activity	Protein expression downregulation (tested by experiment)					[1]
Tested Species	Homo sapiens (Human)
UniProt ID	CP3A4_HUMAN
Experiment (2) for Assessing the Biological Activity of the Studied DIG on This DBT
Interacting DIG	Crospovidone
Biological Activity	Protein expression downregulation (tested by experiment)					[1]
Tested Species	Homo sapiens (Human)
UniProt ID	CP3A4_HUMAN
Experiment (3) for Assessing the Biological Activity of the Studied DIG on This DBT
Interacting DIG	Polyethylene glycol 4000
Biological Activity	Inhibition ratio < 40 % (tested by experiment)					[2]
Tested Species	Homo sapiens (Human)
UniProt ID	CP3A4_HUMAN
DBT Name: Cytochrome P450 2E1 (CYP2E1)				Click to Show/Hide
Detailed Information	DBT Info click to show the detail info of this DBT
Experiment for Assessing the Biological Activity of the Studied DIG on This DBT
Interacting DIG	Polyvinyl alcohol
Biological Activity	IC50 = 548.9 uM (tested by experiment)					[3]
Tested Species	Homo sapiens (Human)
UniProt ID	CP2E1_HUMAN
DBT Name: Debrisoquine 4-hydroxylase (CYP2D6)				Click to Show/Hide
Detailed Information	DBT Info click to show the detail info of this DBT
Experiment for Assessing the Biological Activity of the Studied DIG on This DBT
Interacting DIG	Polyvinyl alcohol
Biological Activity	EC50 = 354.8 uM (tested by experiment)					[3]
Tested Species	Homo sapiens (Human)
UniProt ID	CP2D6_HUMAN
Lyase/isomerase/ligase (L/I/G)
DBT Name: Carbonic anhydrase IV (CA4)				Click to Show/Hide
Detailed Information	DBT Info click to show the detail info of this DBT
Experiment for Assessing the Biological Activity of the Studied DIG on This DBT
Interacting DIG	Potassium chloride
Biological Activity	Ki = 90000 nM (tested by experiment)					[4]
Tested Species	Homo sapiens (Human)
UniProt ID	CAH4_HUMAN

References
1	Effects of commonly used excipients on the expression of CYP3A4 in colon and liver cells. Pharm Res. 2010 Aug;27(8):1703-12.
2	Pharmaceutical excipients inhibit cytochrome P450 activity in cell free systems and after systemic administration. Eur J Pharm Biopharm. 2008 Sep;70(1):279-88.
3	Mediation of in vitro cytochrome p450 activity by common pharmaceutical excipients. Mol Pharm. 2013 Jul 1;10(7):2739-48.
4	Characterization and anions inhibition studies of an -carbonic anhydrase from the teleost fish Dicentrarchus labrax. Bioorg Med Chem. 2011 Jan 15; 19(2):744-8.

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