General Information of DFM (ID: F21833)
Name
Valganciclovir 450 mg tablet
Company
American Health Packaging
Active Pharmaceutical Ingredient (API) Valganciclovir API Info click to show the detail info of this API
Cytomegalovirus infection ICD-11: 1D82 Approved
Drug Inactive Ingredient (DIGs)
DIG ID DIG Info DIG Name DIG Functional Class
E09YYN DIG Info Eisenoxyd Colorant
E01UTP DIG Info Magnesium stearate lubricant
E0AQ3D DIG Info Polysorbate 20 Dispersing 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: Cytochrome P450 3A (CYP3A) 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 Polysorbate 20
                    Biological Activity IC50 = 320 uM (tested by experiment) [1]
                    Tested Species Homo sapiens (Human)
                    UniProt ID CP3A4_HUMAN ; CP3A5_HUMAN ; CP3A7_HUMAN ; CP343_HUMAN
            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) [2]
                    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 Polysorbate 20
                    Biological Activity EC50 = 363.7 uM (tested by experiment) [3]
                    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 Polysorbate 20
                    Biological Activity IC50 = 64.1 uM (tested by experiment) [3]
                    Tested Species Homo sapiens (Human)
                    UniProt ID CP2E1_HUMAN
            DBT Name: Cytochrome P450 2C9 (CYP2C9) 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 Polysorbate 20
                    Biological Activity EC50 = 228.4 uM (tested by experiment) [3]
                    Tested Species Homo sapiens (Human)
                    UniProt ID CP2C9_HUMAN
            DBT Name: Mephenytoin 4-hydroxylase (CYP2C19) 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 Polysorbate 20
                    Biological Activity IC50 = 230 uM (tested by experiment) [3]
                    Tested Species Homo sapiens (Human)
                    UniProt ID CP2CJ_HUMAN
            DBT Name: Cytochrome P450 3A5 (CYP3A5) 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 Polysorbate 20
                    Biological Activity IC50 = 84 uM (tested by experiment) [3]
                    Tested Species Homo sapiens (Human)
                    UniProt ID CP3A5_HUMAN
      Primary active transporter (PAT)
            DBT Name: Multidrug resistance protein 1 (ABCB1) 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 Polysorbate 20
                    Biological Activity IC50 = 0.25 mg.mL-1 (tested by experiment) [4]
                    Tested Species Homo sapiens (Human)
                    UniProt ID MDR1_HUMAN ; MDR3_HUMAN ; ABCB5_HUMAN
               Experiment (2) for Assessing the Biological Activity of the Studied DIG on This DBT
                    Interacting DIG Polysorbate 20
                    Biological Activity Inhibition ratio > 240 % (tested by experiment) [5]
                    Tested Species Homo sapiens (Human)
                    UniProt ID MDR1_HUMAN ; MDR3_HUMAN ; ABCB5_HUMAN
            DBT Name: Urate exporter (BCRP) 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 Polysorbate 20
                    Biological Activity Inhibition ratio > 84 % (tested by experiment) [6]
                    Tested Species Homo sapiens (Human)
                    UniProt ID ABCG2_HUMAN
               Experiment (2) for Assessing the Biological Activity of the Studied DIG on This DBT
                    Interacting DIG Polysorbate 20
                    Biological Activity Inhibition ratio > 50 % (tested by experiment) [5]
                    Tested Species Homo sapiens (Human)
                    UniProt ID ABCG2_HUMAN
References
1 Nonionic surfactants are strong inhibitors of cytochrome P450 3A biotransformation activity in vitro and in vivo. Eur J Pharm Sci. 2009 Mar 2;36(4-5):401-11.
2 Effects of commonly used excipients on the expression of CYP3A4 in colon and liver cells. Pharm Res. 2010 Aug;27(8):1703-12.
3 Mediation of in vitro cytochrome p450 activity by common pharmaceutical excipients. Mol Pharm. 2013 Jul 1;10(7):2739-48.
4 Reversal of multidrug resistance by surfactants. Br J Cancer. 1992 Jul;66(1):62-8.
5 Effect of excipients on breast cancer resistance protein substrate uptake activity. J Control Release. 2007 Dec 4;124(1-2):1-5.
6 Characterization of the inhibition of breast cancer resistance protein-mediated efflux of mitoxantrone by pharmaceutical excipients. Int J Pharm. 2009 Mar 31;370(1-2):216-9.

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