| PK | Pharmacokinetics |
| DDI | Drug–drug interaction |
| PBPK | Physiologically based pharmacokinetic |
| CYP | Cytochrome P450 |
| Cmax | Peak plasma concentration |
| AUC | Area under the curve |
| JAK | Janus kinase |
| RA | Rheumatoid arthritis |
| IMID | Immune-mediated inflammatory disease |
| IR | Immediate release |
| XR | Extended release |
| JIA | Juvenile idiopathic arthritis |
| JPsA | Juvenile psoriatic arthritis |
| Tmax | Time to peak plasma concentration |
| AUCinf | Area under the curve from 0 to infinity |
| FE | Fold error |
| GMFE | Geometric mean fold error |
| CmaxR | Peak plasma concentration ratio |
| AUCR | Area under the curve ratio |
| HI | Hepatic impairment |
| RI | Renal impairment |
| AUCtau | Area under the curve in the dosing interval |
| Km | Michaelis–Menten constant |
| Kcat | Catalytic rate constant |
| eGFR | Estimated glomerular filtration rate |
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