Table 1 Summary of model parameters used in simulations.

From: Predicted effect of ticagrelor on the pharmacokinetics of dabigatran etexilate using physiologically based pharmacokinetic modeling

Parameters

Unit

Dabigatran Etexilate

Ticagrelor

Physicochemical parameters

Molecular weight

g/mol

627.73a

522.57a

Dosage form

 

Capsule

Tablet

logP

 

4.59a

2.28a

pKa (acid)

 

17.89a

12.94a

fu (plasma)

%

65%a

0.2%a

Aqueous solubility

mg/mL

1.8a

0.063a

Rbp

fold

3.08b

0.4b

Peff

cm/s * 104

1b

2b

Metabolism data

P-gp Vmax

 

10c

 

P-gp Km

μM

1.0c

 
  1. pKa, acid dissociation constant; Peff, effective permeability; Rbp, blood/plasma concentration ratio; fu (plasma), fraction unbound in plasma; logP, partition coefficient.
  2. aFrom DrugBank (https://www.drugbank.ca/).
  3. bEstimated by ADMET Predictor.
  4. cZhao Y. et al. (2014).