Cytochrome P450 (CYP) Enzymes: Deucravacitinib is not an inhibitor of CYP1A2, CYP2B6, CYP2C8, CYP2C9, CYP2C19, CYP2D6, or CYP3A4. Deucravacitinib is not an inducer of CYP1A2, CYP2B6, or CYP3A4.
Carboxylesterase (CES) Enzymes: Deucravacitinib is not an inhibitor of CES2.
Uridine diphosphate (UDP)-glucuronosyl transferase (UGT) Enzymes: Deucravacitinib is not an inhibitor of UGT1A1, UGT1A4, UGT1A6, UGT1A9, or UGT2B7.
Transporter Systems: Deucravacitinib is a substrate of Pgp, BCRP, and OCT1, but not OATP, NTCP, OAT1, OAT3, OCT2, MATE1, or MATE2K. Deucravacitinib is an inhibitor of BCRP and OATP1B3, but not an inhibitor of Pgp, OATP1B1, NTCP, BSEP, MRP2, OAT1, OAT3, OCT1, OCT2, MATE1, or MATE2-K.